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Criteria:   found in San Diego County  •   is native  •  group by lifeform
3522  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual1326 plants
Abronia villosa Hairy sand verbena Annual herb 4
Abronia villosa var. aurita Yellow hairy sand verbena Annual herb  
Abronia villosa var. villosa Hairy sand verbena Annual herb  
Acanthomintha ilicifolia San Diego thorn mint Annual herb  
Achyrachaena mollis Blow wives Annual herb 2
Achyronychia cooperi Frost mat Annual herb  
Acmispon americanus American bird's foot trefoil Annual herb 3
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon maritimus Coastal lotus Annual herb 2
Acmispon maritimus var. brevivexillus Coastal lotus Annual herb  
Acmispon maritimus var. maritimus Coastal lotus Annual herb  
Acmispon micranthus Small flowered lotus Annual herb 2
Acmispon parviflorus Hill lotus Annual herb  
Acmispon prostratus Nuttall's acmispon Annual herb  
Acmispon strigosus Strigose lotus Annual herb 3
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agrostis microphylla Little leaf bentgrass Annual grass  
Aliciella hutchinsifolia Desert pale gilia Annual herb  
Aliciella latifolia Broad leaf gilia Annual herb  
Aliciella latifolia ssp. latifolia Broadleaf gilia Annual herb  
Aliciella micromeria Dainty gilia Annual herb  
Allionia incarnata var. villosa Trailing windmills Annual, Perennial herb  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb  
Allophyllum glutinosum Sticky false gilia Annual herb  
Alopecurus carolinianus Carolina foxtail Annual grass  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus fimbriatus Fringed amaranth Annual herb  
Amaranthus palmeri Palmer's amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Amaranthus powellii ssp. bouchonii Annual herb  
Amaranthus torreyi Sandhill amaranth Annual herb  
Amaranthus watsonii Watson's amaranth Annual herb  
Amblyopappus pusillus Pineapple weed Annual herb  
Ambrosia acanthicarpa Annual burrweed Annual herb 3
Ammannia coccinea Red ammannia Annual herb  
Ammannia robusta Grand ammania Annual herb  
Ammoselinum giganteum Desert umbel Annual herb  
Amsinckia douglasiana Douglas' fiddleneck Annual herb  
Amsinckia eastwoodiae Eastwood's fiddleneck Annual herb 1
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia lycopsoides Tarweed fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb 1
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Amsinckia spectabilis Seaside fiddleneck Annual herb  
Amsinckia spectabilis var. spectabilis Seaside fiddleneck Annual herb  
Amsinckia tessellata Devil's lettuce Annual herb 4
Amsinckia tessellata var. gloriosa Large flowered devil's fiddleneck Annual herb 1
Amsinckia tessellata var. tessellata Devil's lettuce Annual herb 1
Anagallis minima Chaffweed Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Androsace elongata California rockjasmine Annual herb  
Androsace elongata ssp. acuta California androsace Annual herb  
Androsace septentrionalis Pygmyflower rockjasmine Annual, Perennial herb 1
Androsace septentrionalis ssp. subumbellata Pygmy rock jasmine Annual, Perennial herb 1
Anisocoma acaulis Scale bud Annual herb 2
Antirrhinum coulterianum Coulter's snapdragon Annual herb 2
Antirrhinum filipes Tangled snapdragon Annual herb  
Antirrhinum kelloggii Lax snapdragon Annual herb 1
Antirrhinum nuttallianum Nuttall's snapdragon Annual, Perennial herb 1
Antirrhinum nuttallianum ssp. nuttallianum Nuttall's snapdragon Annual, Perennial herb  
Antirrhinum nuttallianum ssp. subsessile Nuttall's snapdragon Annual, Perennial herb  
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphanisma blitoides Aphanisma Annual herb  
Aphyllon epigalium Annual herb  
Aphyllon epigalium ssp. notocalifornicum Annual herb  
Aphyllon purpureum Naked broom rape Annual herb  
Apiastrum angustifolium Wild celery Annual herb  
Argemone munita Prickly poppy Annual, Perennial herb 4
Aristida adscensionis Three awn Annual grass 4
Aster frondosus Short rayed alkali aster Annual herb  
Astragalus acutirostris Beaked rattle weed Annual herb  
Astragalus aridus Annual desert milk vetch Annual herb  
Astragalus didymocarpus Dwarf white milk vetch Annual herb  
Astragalus didymocarpus var. didymocarpus Common dwarf milkvetch Annual herb  
Astragalus didymocarpus var. dispermus Notch leaved locoweed Annual herb  
Astragalus didymocarpus var. obispoensis San luis obispo milk vetch Annual herb  
Astragalus gambelianus Loco weed Annual herb  
Astragalus insularis Cedros milkvetch Annual herb  
Astragalus insularis var. harwoodii Harwood's milk vetch Annual herb  
Astragalus lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. borreganus Borrego milk vetch Annual herb  
Astragalus nutans Providence Mountain milkvetch Annual herb  
Astragalus nuttallianus Nuttall locoweed Annual herb  
Astragalus nuttallianus var. austrinus Southern small flowered milk vetch Annual herb  
Astragalus nuttallianus var. cedrosensis Cedros milk vetch Annual herb  
Astragalus nuttallianus var. imperfectus Turkey peas Annual herb  
Astragalus sabulonum Gravel milk vetch Annual herb  
Astragalus tener Alkali milk vetch Annual herb  
Astragalus tener var. titi Coastal dunes milk vetch Annual herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atrichoseris platyphylla Parachute flower Annual herb  
Atriplex argentea Silverscale saltbush Annual herb 2
Atriplex argentea var. expansa Mojave silverscale Annual herb 2
Atriplex argentea var. mohavensis Mojave silverscale Annual herb 2
Atriplex coronata Crownscale Annual herb  
Atriplex coronata var. notatior San jacinto valley crownscale Annual herb  
Atriplex dioica Spike saltbush Annual herb  
Atriplex elegans Wheelscale Annual herb  
Atriplex elegans var. fasciculata Wheelscale Annual herb  
Atriplex pacifica South coast saltscale Annual herb  
Atriplex parishii Parish's brittlescale Annual herb  
Atriplex patula Spear oracle Annual herb 3
Atriplex serenana Saltscale Annual herb 1
Atriplex serenana var. serenana Saltscale Annual herb  
Atriplex subspicata Spike saltbush Annual herb  
Atriplex truncata Wedgescale Annual herb  
Baileya pauciradiata Lax flower Annual herb  
Baileya pleniradiata Wooly marigold Annual, Perennial herb 2
Bergia texana Texas bergia Annual herb  
Bidens frondosa Sticktight Annual herb  
Blennosperma nanum Yellow carpet Annual herb  
Blennosperma nanum var. nanum Common blennosperma Annual herb  
Boerhavia coulteri Coulter's spiderling Annual herb  
Boerhavia coulteri var. palmeri Coulter's spiderling Annual herb  
Boerhavia intermedia Fivewing spiderling Annual herb  
Boerhavia triquetra Creeping sticky stem Annual herb  
Boerhavia triquetra var. intermedia Fivewing spiderling Annual herb  
Boerhavia wrightii Wright's boerhavia Annual herb  
Bouteloua aristidoides Needle grama Annual grass 2
Bouteloua aristidoides var. aristidoides Needle grama Annual grass  
Bouteloua barbata Sixweeks grama Annual grass  
Bouteloua barbata var. barbata Six weeks grama Annual grass  
Bowlesia incana Bowlesia Annual herb 1
Bromus arizonicus Arizona brome Annual grass 1
Bromus orcuttianus Orcutt's brome grass Annual grass 1
Calandrinia ambigua Desert calendrinia Annual herb  
Calandrinia breweri Brewer's calandrinia Annual herb 1
Calandrinia ciliata Redmaids Annual herb 7
Calandrinia maritima Seaside calandrinia Annual herb  
Calandrinia menziesii Calandrinia Annual herb 7
Calibrachoa parviflora Seaside petunia Annual herb  
California macrophylla Round leaved filaree Annual herb  
Callitriche heterophylla var. bolanderi Bolander's water starwort Annual herb  
Callitriche marginata Winged water starwort Annual herb (aquatic)  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche verna Water starwort Annual herb  
Calycoseris parryi Yellow tackstem Annual herb  
Calycoseris wrightii White tackstem Annual herb  
Calyptridium arizonicum Arizona pussypaws Annual herb  
Calyptridium monandrum Common pussypaws Annual herb  
Calyptridium parryi Parry's pussypaws Annual herb  
Calyptridium parryi var. arizonicum Parry's pussypaws Annual herb  
Calyptridium parryi var. parryi Parry's pussypaws Annual herb  
Calyptridium pygmaeum Pygmy pussypaws Annual herb  
Camissonia arenaria Mousetail evening primrose Annual, Perennial herb  
Camissonia bistorta California sun cup Annual herb 5
Camissonia boothii Booth's sun cup Annual herb  
Camissonia boothii ssp. condensata Clustered booth's desert primrose Annual herb  
Camissonia boothii ssp. decorticans Redish shredding primrose Annual herb  
Camissonia boothii ssp. desertorum Desert shredding primrose Annual herb  
Camissonia boothii ssp. intermedia Desert shredding primrose Annual herb  
Camissonia brevipes Yellov cups Annual herb  
Camissonia brevipes ssp. brevipes Golden sun cup Annual herb  
Camissonia californica California primrose Annual herb 1
Camissonia campestris Field primrose Annual herb  
Camissonia campestris ssp. campestris Field sun cup Annual herb  
Camissonia cardiophylla Heart leaved primrose Annual, Perennial herb  
Camissonia cardiophylla ssp. cardiophylla Heartleaf sun cup Annual, Perennial herb  
Camissonia chamaenerioides Long fruit suncup Annual herb  
Camissonia claviformis Brown eyed primrose Annual herb  
Camissonia claviformis ssp. aurantiaca Pinnate leaved primrose Annual herb  
Camissonia claviformis ssp. claviformis Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. peirsonii Peirson's clavate fruited primrose Annual herb  
Camissonia claviformis ssp. yumae Yuma clavate fruited primrose Annual herb  
Camissonia confusa San bernardino sun cup Annual herb  
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia hirtella Hairy sun cups Annual herb  
Camissonia ignota Jurupa hills sun cups Annual herb 1
Camissonia intermedia Intermediate sun cups Annual herb  
Camissonia lewisii Lewis's evening primrose Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissonia pallida Pale yellow sun cup Annual herb 2
Camissonia pallida ssp. hallii Hall's sun cup Annual herb  
Camissonia pallida ssp. pallida Pale sun cup Annual herb  
Camissonia pusilla Little wiry sun cup Annual herb  
Camissonia refracta Narrow leaved primrose Annual herb  
Camissonia robusta Robust sun cup Annual herb  
Camissonia strigulosa Contorted primrose Annual herb  
Camissoniopsis bistorta California sun cup Annual herb 5
Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose Annual, Perennial herb 1
Camissoniopsis confusa San bernardino sun cup Annual herb  
Camissoniopsis hirtella Hairy sun cup Annual herb  
Camissoniopsis ignota Jurupa hills sun cup Annual herb 1
Camissoniopsis intermedia Intermediate sun cups Annual herb  
Camissoniopsis lewisii Lewis' evening-primrose Annual herb  
Camissoniopsis micrantha Spencer primrose Annual herb 2
Camissoniopsis pallida Pale yellow sun cup Annual herb 2
Camissoniopsis pallida ssp. hallii Hall's sun cup Annual herb  
Camissoniopsis pallida ssp. pallida Pale sun cup Annual herb  
Camissoniopsis robusta Robust subcup Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja densiflora Dense flower owl's clover Annual herb  
Castilleja densiflora ssp. densiflora Dense flower owl's clover Annual herb  
Castilleja densiflora ssp. gracilis Graceful owl's clover Annual herb  
Castilleja exserta Owl's clover Annual herb 10
Castilleja exserta ssp. exserta Purple owl's clover Annual herb 5
Castilleja exserta ssp. latifolia Purple owl's clover Annual herb  
Castilleja exserta ssp. venusta Purple owl's clover Annual herb  
Castilleja lasiorhyncha San bernardino mtns. owl's clover Annual herb (hemiparasitic)  
Castilleja minor Little paintbrush Annual herb 1
Castilleja minor ssp. spiralis Lesser paintbrush Annual herb  
Castilleja tenuis Hairy owl's clover Annual herb  
Caulanthus amplexicaulis Clasping leaved caulanthus Annual herb  
Caulanthus cooperi Cooper caulanthus Annual herb  
Caulanthus hallii Hall's caulanthus Annual herb  
Caulanthus heterophyllus Slender pod jewelflower Annual herb  
Caulanthus heterophyllus var. heterophyllus Slender pod jewelflower Annual herb  
Caulanthus lasiophyllus California mustard Annual herb  
Caulanthus simulans Payson's wild cabbage Annual herb  
Cenchrus spinifex Coastal sandbur Annual grass  
Centaurium exaltatum Cancha lagua Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium venustum Beautiful centaury Annual herb  
Centromadia fitchii Spikeweed Annual herb  
Centromadia parryi Pappose tarweed Annual herb  
Centromadia parryi ssp. australis Southern tarplant Annual herb 1
Centromadia parryi ssp. parryi Pappose tarplant Annual herb  
Centromadia pungens Common tarweed Annual herb 2
Centromadia pungens ssp. laevis Smooth tarplant Annual herb  
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. pungens Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Centrostegia thurberi Thurber spiny herb Annual herb  
Centunculus minimus False pimpernel Annual herb  
Chaenactis artemisiifolia Artemisia leaved chaenactis Annual herb 4
Chaenactis carphoclinia Pebble pincushion Annual herb  
Chaenactis carphoclinia var. carphoclinia Pebble pincushion Annual herb  
Chaenactis carphoclinia var. peirsonii Peirson's pincushion Annual herb  
Chaenactis fremontii Fremont pincushion Annual herb  
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3
Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis Annual herb  
Chaenactis glabriuscula var. lanosa Pincushion flower Annual herb  
Chaenactis glabriuscula var. orcuttiana Orcutt's yellow chaenactis Annual herb  
Chaenactis stevioides Esteve pincushion Annual herb 2
Chaenactis xantiana Xantus' chaenactis Annual herb 1
Chamaesyce abramsiana Abrams' prostrate spurge Annual herb  
Chamaesyce micromera Desert spurge Annual herb  
Chamaesyce platysperma Flat seeded spurge Annual herb  
Chamaesyce revoluta Rolled leaf spurge Annual herb  
Chamaesyce serpens Creeping spurge Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. hirtula Hairy thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce setiloba Yuma spurge Annual herb  
Chamomilla occidentalis Western chamomile Annual herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium atrovirens Dark green goosefoot Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium berlandieri var. sinuatum Pitseed goosefoot Annual herb  
Chenopodium berlandieri var. zschackei Pit seed goosefoot Annual herb  
Chenopodium fremontii Fremont's goosefoot Annual herb  
Chenopodium glaucum Oak leaved goosefoot Annual herb  
Chenopodium glaucum var. salinum Oak leaved goosefoot Annual herb  
Chenopodium hians Gaping goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chenopodium leptophyllum Thin leaved goosefoot Annual herb  
Chenopodium pratericola Meadow goosefoot Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chenopodium rubrum var. rubrum Red goosefoot Annual herb  
Chloropyron maritimum Salt marsh bird's beak Annual herb  
Chloropyron maritimum ssp. maritimum Salt marsh bird's-beak Annual herb  
Chorizanthe brevicornu Brittle spine flower Annual herb  
Chorizanthe brevicornu var. brevicornu Brittle spineflower Annual herb  
Chorizanthe corrugata Wrinkled spineflower Annual herb  
Chorizanthe diffusa Diffuse spineflower Annual herb  
Chorizanthe fimbriata Fringed spineflower Annual herb  
Chorizanthe fimbriata var. fimbriata Fringed spineflower Annual herb  
Chorizanthe fimbriata var. laciniata Lace fringed spineflower Annual herb  
Chorizanthe leptotheca Peninsular spineflower Annual herb  
Chorizanthe orcuttiana Orcutt's spineflower Annual herb  
Chorizanthe parryi Parry's spineflower Annual herb  
Chorizanthe parryi var. parryi Parry's spineflower Annual herb  
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. longispina Long spined spineflower Annual herb  
Chorizanthe polygonoides var. polygonoides Knotweed spineflower Annual herb  
Chorizanthe procumbens Prostrate spineflower Annual herb  
Chorizanthe rigida Rigid spiny herb Annual herb  
Chorizanthe staticoides Turkish rugging Annual herb 3
Chorizanthe watsonii Watson's spineflower Annual herb  
Chorizanthe xanti Xantus' spineflower Annual herb  
Chorizanthe xanti var. leucotheca White bracted spineflower Annual herb  
Chorizanthe xanti var. xanti Xantus' spineflower Annual herb  
Chylismia arenaria Sand evening-primrose Annual, Perennial herb  
Chylismia brevipes Yellow cups Annual, Perennial herb 1
Chylismia brevipes ssp. brevipes Golden suncup Annual, Perennial herb  
Chylismia cardiophylla Heart leaved primrose Annual, Perennial herb  
Chylismia cardiophylla ssp. cardiophylla Heart leaved primrose Annual, Perennial herb  
Chylismia claviformis Clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. aurantiaca Pinnate leaved primrose Annual, Perennial herb  
Chylismia claviformis ssp. claviformis Browneyes Annual, Perennial herb  
Chylismia claviformis ssp. funerea Clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. integrior Clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. lancifolia Clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. peirsonii Peirson's clavate fruited primrose Annual, Perennial herb  
Chylismia claviformis ssp. yumae Yuma clavate fruited primrose Annual, Perennial herb  
Cistanthe ambigua Desert cistanthe Annual herb  
Cistanthe maritima Seaside calandrinia Annual herb  
Clarkia amoena Farewell to spring Annual herb 17
Clarkia amoena ssp. amoena Farewell to spring Annual herb 1
Clarkia bottae Punch bowl godetia Annual herb 7
Clarkia delicata Delicate clarkia Annual herb  
Clarkia dudleyana Dudley's clarkia Annual herb  
Clarkia epilobioides Willow herb clarkia Annual herb  
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. purpurea Purple clarkia Annual herb 2
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia purpurea ssp. viminea Large godetia Annual herb  
Clarkia rhomboidea Tongue clarkia Annual herb 2
Clarkia similis Ramona clarkia Annual herb  
Clarkia unguiculata Woodland clarkia Annual herb 18
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia exigua ssp. glauca Blue leaved spring beauty Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1
Claytonia parviflora ssp. viridis Green miner's lettuce Annual herb 1
Claytonia perfoliata Miner's lettuce Annual herb 6
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. mexicana Southern miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb  
Cleomella obtusifolia Mojave cleomella Annual herb  
Cleomella plocasperma Twisted cleomella Annual herb  
Collinsia childii Child's collinsia Annual herb  
Collinsia concolor White collinsia Annual herb  
Collinsia heterophylla Chinese houses Annual herb 20
Collinsia heterophylla var. austromontana Southern chinese houses Annual herb  
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia parryi Parry's collinsia Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb 1
Collomia grandiflora Large flowered collomia Annual herb 4
Convolvulus simulans Small flowered morning glory Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Conyza coulteri Coulter's horseweed Annual herb  
Cordylanthus maritimus Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. maritimus Salt marsh bird's beak Annual herb (hemiparasitic)  
Cordylanthus nevinii Nevin's bird's beak Annual herb  
Cordylanthus orcuttianus Orcutt's bird's beak Annual herb (hemiparasitic)  
Cordylanthus rigidus Rigid bird's beak Annual herb  
Cordylanthus rigidus ssp. brevibracteatus Short bracted bird's beak Annual herb  
Cordylanthus rigidus ssp. rigidus Rigid bird's beak Annual herb  
Cordylanthus rigidus ssp. setiger Bristly Bird's Beak Annual herb (hemiparasitic)  
Cordylanthus rigidus ssp. setigerus Bird's beak Annual herb  
Coreopsis bigelovii Bigelow coreopsis Annual herb 3
Coreopsis californica var. californica California coreopsis Annual herb  
Coreopsis douglasii Douglas' coreopsis Annual herb 1
Crassula aquatica Aquatic pygmy weed Annual herb  
Crassula connata Sand pygmy weed Annual herb 1
Crassula saginoides Aquatic pygmy weed Annual herb  
Crassula solieri Little pygmy weed Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha affinis Common cryptantha Annual herb  
Cryptantha angustifolia Narrow leaved forget me not Annual herb  
Cryptantha barbigera Bearded cryptantha Annual herb  
Cryptantha barbigera var. barbigera Bearded cryptantha Annual herb  
Cryptantha barbigera var. fergusoniae Palm springs cryptantha Annual herb  
Cryptantha circumscissa Western forget me not Annual herb  
Cryptantha circumscissa var. circumscissa Cushion cryptantha Annual herb  
Cryptantha clevelandii Common cryptantha Annual herb  
Cryptantha clevelandii var. clevelandii Cleveland's cryptantha Annual herb  
Cryptantha clevelandii var. florosa Coastal cryptantha Annual herb  
Cryptantha costata Ashen forget me not Annual herb  
Cryptantha decipiens Gravel cryptantha Annual herb  
Cryptantha dumetorum Bush loving cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha ganderi Gander's cryptantha Annual herb  
Cryptantha holoptera Rough stemmed forget me not Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha maritima Guadalupe island cryptantha Annual herb  
Cryptantha micrantha Purple root cryptantha Annual herb  
Cryptantha micrantha var. lepida Mountain red-root cryptantha Annual herb  
Cryptantha micrantha var. micrantha Red-root cryptantha Annual herb  
Cryptantha micromeres Small flowered cryptantha Annual herb  
Cryptantha microstachys Tejon cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha muricata var. denticulata Prickly-nut cryptantha Annual herb 2
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2
Cryptantha muricata var. muricata Showy prickly-nut cryptantha Annual herb 2
Cryptantha nevadensis Nevada forget me not Annual herb  
Cryptantha nevadensis var. nevadensis Nevada cryptantha Annual herb  
Cryptantha nevadensis var. rigida Rigid cryptantha Annual herb  
Cryptantha oxygona Sharp nut cryptantha Annual herb  
Cryptantha pterocarya Winged nut forget me not Annual herb  
Cryptantha pterocarya var. cycloptera Tuscon cryptantha Annual herb  
Cryptantha pterocarya var. pterocarya Wingnut cryptantha Annual herb  
Cryptantha pterocarya var. purpusii Purpus' cryptantha Annual herb  
Cryptantha rattanii Rattan's cryptantha Annual herb  
Cryptantha recurvata Curve nut cryptantha Annual herb  
Cryptantha similis Cushion cryptantha Annual herb  
Cryptantha simulans Pine cryptantha Annual herb  
Cryptantha utahensis Scented forget me not Annual herb  
Cryptantha wigginsii Wiggins' cryptantha Annual herb  
Cucurbita palmata Coyote melon Annual, Perennial herb  
Cuscuta californica California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. breviflora California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. californica Short flowered dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. papillosa Papillate dodder Annual herb, Vine (parasitic)  
Cuscuta campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta denticulata Desert dodder Annual herb, Vine (parasitic)  
Cuscuta indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta nevadensis Desert dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta pacifica Goldenthread Annual herb, Vine (parasitic)  
Cuscuta pacifica var. pacifica Dodder Annual herb, Vine (parasitic)  
Cuscuta pentagona Western field dodder Annual herb, Vine (parasitic)  
Cuscuta psorothamnensis Indigo bush dodder Annual herb, Vine (parasitic)  
Cuscuta salina Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. major Dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. salina Salt marsh dodder Annual herb, Vine (parasitic)  
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)  
Cyperus erythrorhizos Red rooted cyperus Annual grass 2
Cyperus odoratus Fragrant flatsedge Annual grass  
Cyperus squarrosus Awned cyperus Annual grass  
Datura discolor Small datura Annual herb 2
Daucus pusillus Wild carrot Annual herb 1
Deinandra conjugens Otay tarplant Annual herb  
Deinandra fasciculata Clustered tarweed Annual herb 5
Deinandra floribunda Tecate tarplant Annual herb  
Deinandra increscens ssp. foliosa Leafy tarplant Annual herb  
Deinandra kelloggii Kellogg's tarweed Annual herb 1
Deinandra mohavensis Mojave tarplant Annual herb 1
Deinandra paniculata Paniculate tarplant Annual herb 2
Deschampsia danthonioides Annual hairgrass Annual grass  
Descurainia pinnata Yellow tansy mustard Annual herb  
Descurainia pinnata ssp. brachycarpa Western tansymustard Annual herb  
Descurainia pinnata ssp. glabra Smooth western tansy mustard Annual herb  
Descurainia pinnata ssp. halictorum Alkali western tansy mustard Annual herb  
Descurainia pinnata ssp. intermedia Intermediate western tansy mustard Annual herb  
Descurainia pinnata ssp. menziesii Menzies' tansy mustard Annual herb  
Descurainia pinnata ssp. ochroleuca Western tansymustard Annual herb  
Dicoria canescens Desert dicoria Annual herb  
Dicranostegia orcuttiana Orcutt's bird's-beak Annual herb  
Diplacus bigelovii Bigelow mimulus Annual herb 2
Diplacus bigelovii var. bigelovii Bigelow's monkeyflower Annual herb  
Diplacus brevipes Wide throated yellow monkeyflower Annual herb 2
Diplacus congdonii Congdon's monkeyflower Annual herb  
Diplacus fremontii Fremont's monkeyflower Annual herb  
Diplacus parviflorus Annual herb 3
Diplacus rutilus Annual herb 3
Diplacus speciosus Annual herb 2
Ditaxis neomexicana Common ditaxis Annual, Perennial herb  
Ditaxis serrata Saw toothed ditaxis Annual, Perennial herb  
Ditaxis serrata var. serrata Saw toothed ditaxis Annual, Perennial herb  
Dithyrea californica Spectacle pod Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia concolor Spotted throat downingia Annual herb  
Downingia concolor var. brevior Cuyamaca lake downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Draba cuneifolia Wedge leaved draba Annual herb  
Draba cuneifolia var. cuneifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. integrifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. sonorae Sonora draba Annual herb  
Echinochloa muricata var. microstachya Rough barnyardgrass Annual grass  
Eclipta prostrata False daisy Annual herb 1
Elatine brachysperma Short seed waterwort Annual, Perennial herb  
Elatine californica California waterwort Annual, Perennial herb  
Elatine chilensis Chilean waterwort Annual, Perennial herb (aquatic)  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Elatine heterandra Mosquito waterwort Annual, Perennial herb  
Elatine rubella Southwestern waterwort Annual herb  
Eleocharis geniculata Bent spikerush Annual grass  
Emmenanthe penduliflora Whispering bells Annual herb 2
Emmenanthe penduliflora var. penduliflora Whispering bells Annual herb  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb 1
Epilobium minutum Minute willowherb Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Eragrostis capillaris Lace grass Annual grass  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. mexicana New mexico lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. miserrima Desert lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eragrostis superba Wilman lovegrass Annual grass 1
Eremalche exilis White mallow Annual herb  
Eremalche rotundifolia Desert five spot Annual herb 1
Eremocarpus setigerus Turkey mullein Annual herb 4
Eremothera boothii Booth's sun cup Annual herb  
Eremothera boothii ssp. condensata Clustered booth's desert primrose Annual herb  
Eremothera boothii ssp. decorticans Shredding evening-primrose Annual herb  
Eremothera boothii ssp. desertorum Booth's desert primrose Annual herb  
Eremothera boothii ssp. intermedia Booth's hairy evening-primrose Annual herb  
Eremothera chamaenerioides Long fruit suncup Annual herb  
Eremothera refracta Narrow leaved primrose Annual herb  
Eriastrum diffusum Miniature wool star Annual herb 1
Eriastrum diffusum ssp. coachellae Annual herb  
Eriastrum eremicum Desert woollystar Annual herb  
Eriastrum eremicum ssp. eremicum Desert wool star Annual herb  
Eriastrum filifolium Lavender eriastrum Annual herb  
Eriastrum harwoodii Harwood's eriastrum Annual herb  
Eriastrum sapphirinum Sapphire eriastrum Annual herb 1
Eriastrum sapphirinum ssp. brevibracteatum Sapphire woollystar Annual herb  
Eriastrum sapphirinum ssp. dasyanthum Sapphire woollystar Annual herb  
Eriastrum sapphirinum ssp. sapphirinum Sapphire woollystar Annual herb  
Eriastrum virgatum Virgate eriastrum Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Eriogonum angulosum Angled stem buckwheat Annual herb  
Eriogonum apiculatum San jacinto buckwheat Annual herb  
Eriogonum brachyanthum Yellow buckwheat Annual herb  
Eriogonum brachypodum Parry's buckwheat Annual herb  
Eriogonum clavatum Hoover's buckwheat Annual herb  
Eriogonum contiguum Reveal's buckwheat Annual herb  
Eriogonum davidsonii Davidson buckwheat Annual herb 2
Eriogonum deflexum Flat topped buckwheat Annual herb  
Eriogonum deflexum var. deflexum Flat topped buckwheat Annual herb  
Eriogonum deflexum var. rectum Flat topped buckwheat Annual herb  
Eriogonum evanidum Vanishing wild buckwheat Annual herb  
Eriogonum foliosum Leafy buckwheat Annual herb  
Eriogonum gracile Slender buckwheat Annual herb 3
Eriogonum gracile var. gracile Slender buckwheat Annual herb  
Eriogonum gracile var. incultum Slender buckwheat Annual herb  
Eriogonum gracillimum Rose and white buckwheat Annual herb 1
Eriogonum hirtiflorum Hairy flowered buckwheat Annual herb  
Eriogonum maculatum Angle stermed buckwheat Annual herb  
Eriogonum molestum Pineland buckwheat Annual herb  
Eriogonum ordii Fort mojave buckwheat Annual herb  
Eriogonum parishii Parish's buckwheat Annual herb 1
Eriogonum pusillum Yellow turban Annual herb  
Eriogonum reniforme Kidney leaf buckwheat Annual herb  
Eriogonum roseum Wand buckwheat Annual herb 3
Eriogonum thomasii Thomas eriogonum Annual herb  
Eriogonum thurberi Thurber eriogonum Annual herb  
Eriogonum trichopes Little desert buckwheat Annual herb  
Eriogonum trichopes var. hooveri Hoover's buckwheat Annual herb  
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 1
Eriophyllum ambiguum Annual woolly sunflower Annual herb  
Eriophyllum ambiguum var. paleaceum Annual woolly sunflower Annual herb  
Eriophyllum lanosum White easter bonnets Annual herb  
Eriophyllum multicaule Many stemmed eriophyllum Annual herb  
Eriophyllum pringlei Pringle eriophyllum Annual herb  
Eriophyllum wallacei Wallace eriophyllum Annual herb  
Erodium macrophyllum Large leaved filaree Annual herb  
Erodium texanum Desert heron's bill Annual herb  
Eryngium aristulatum var. parishii San diego button celery Annual, Perennial herb  
Erythranthe androsacea Androsace monkeyflower Annual herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe diffusa Palomar monkeyflower Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Erythranthe latidens Broad toothed monkeyflower Annual herb  
Erythranthe palmeri Palmer's monkeyflower Annual herb  
Erythranthe parishii Parish mimulus Annual herb  
Erythranthe rubella Red stemmed himulus Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 15
Eschscholzia californica California poppy Annual, Perennial herb 50
Eschscholzia glyptosperma Desert gold poppy Annual herb  
Eschscholzia hypecoides Leafy stemmed poppy Annual herb  
Eschscholzia minutiflora Coville s poppy Annual herb  
Eschscholzia minutiflora ssp. minutiflora Pygmy poppy Annual herb  
Eschscholzia parishii Pygmy poppy Annual herb  
Eschscholzia ramosa Island poppy Annual herb  
Eucnide rupestris Rock nettle Annual herb  
Eucrypta chrysanthemifolia Spotted eucrypta Annual herb 2
Eucrypta chrysanthemifolia var. bipinnatifida Torrey eucrypta Annual herb  
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta Annual herb  
Eucrypta micrantha Desert eucrypta Annual herb  
Eulobus californicus California primrose Annual herb 1
Euphorbia abramsiana Abrams' spurge Annual herb  
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia eriantha Beetle spurge Annual herb  
Euphorbia micromera Sonoran sandmat Annual herb  
Euphorbia platysperma Flat-seeded spurge Annual herb  
Euphorbia revoluta Revolute spurge Annual herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. hirtula Hairy thyme leafed spurge Annual, Perennial herb  
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb  
Euphorbia setiloba Yuma sandmat Annual herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Eustoma exaltatum Catchfly prairie gentian Annual, Perennial herb  
Eustoma exaltatum ssp. exaltatum Catchfly prairie gentian Annual, Perennial herb  
Festuca microstachys Small fescue Annual grass  
Festuca octoflora Sixweeks grass Annual grass 5
Filago arizonica Arizona filago Annual herb  
Filago californica California filago Annual herb  
Filago depressa Dwarf filago Annual herb  
Galium aparine Cleavers Annual herb  
Galium proliferum Desert bedstraw Annual herb  
Galium tricornutum Rough bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Gaura coccinea Scarlet gaura Annual, Perennial herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gayophytum heterozygum Zig zag gayophytum Annual herb  
Gayophytum humile Dwarf groundsmoke Annual herb  
Gayophytum oligospermum Pinegrove gayophytum Annual herb  
Geraea canescens Hairy desert sunflower Annual herb 1
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia achilleifolia ssp. achilleifolia California gilia Annual herb  
Gilia achilleifolia ssp. multicaulis Many stemmed gilia Annual herb  
Gilia aliquanta Puff calyx gilia Annual herb  
Gilia angelensis Chaparral gilia Annual herb  
Gilia australis Splendid gilia Annual herb  
Gilia brecciarum Small gilia Annual herb  
Gilia brecciarum ssp. brecciarum Nevada gilia Annual herb  
Gilia brecciarum ssp. neglecta Nevada gilia Annual herb  
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 19
Gilia capitata ssp. abrotanifolia Ball gilia Annual herb  
Gilia caruifolia Broad flowered gilia Annual herb  
Gilia clivorum Purple spot gilia Annual herb  
Gilia clokeyi Clokey's gilia Annual herb  
Gilia diegensis Coastal gilia Annual herb  
Gilia filiformis Thread stemmed gilia Annual herb  
Gilia hutchinsifolia Desert pale gilia Annual herb  
Gilia inconspicua Shy gilia Annual herb  
Gilia latiflora Broad flowered gilia Annual herb  
Gilia latifolia Troadleaf gilia Annual herb  
Gilia leptalea Bridges' gilia Annual herb  
Gilia maculata Miniatur gilia Annual herb  
Gilia mexicana El paso gilia Annual herb  
Gilia micromeria Dainty gilia Annual herb  
Gilia modocensis Modoc gilia Annual herb  
Gilia ochroleuca Volcanic gilia Annual herb  
Gilia ochroleuca ssp. bizonata Volcanic gilia Annual herb  
Gilia ochroleuca ssp. exilis Volcanic gilia Annual herb  
Gilia ophthalmoides Eyed gilia Annual herb  
Gilia scopulorum Rock gilia Annual herb  
Gilia sinuata Cinder gilia Annual herb  
Gilia stellata Star gilia Annual herb  
Gilia tenuiflora Slender flowered gilia Annual herb  
Gilia tetrabreccia Mt. pinos gilia Annual herb  
Gilia transmontana Trans montane gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 15
Gilia tricolor ssp. tricolor Bird's eyes Annual herb 1
Githopsis diffusa San gabriel bluecup Annual herb  
Githopsis diffusa ssp. candida Bluecup Annual herb  
Githopsis diffusa ssp. diffusa Southern blue cup Annual herb  
Githopsis diffusa ssp. filicaulis Mission canyon bluecup Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 14
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb 1
Gnaphalium stramineum Cotton batting Annual, Perennial herb 4
Guillenia lasiophylla Shaggy thelypod Annual herb  
Harpagonella palmeri Palmer's grapplinghook Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 17
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Helianthus niveus Desert sunflower Annual, Perennial herb 1
Helianthus niveus ssp. canescens Gray desert sunflower Annual, Perennial herb  
Helianthus petiolaris ssp. canescens Gray desert sunflower Annual, Perennial herb  
Heliotropium convolvulaceum Phlox heliotrope Annual herb  
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia conjugens Otay tarplant Annual herb  
Hemizonia fasciculata Common tarweed Annual herb 5
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia floribunda Tecate tarplant Annual herb  
Hemizonia increscens ssp. foliosa Leafy grassland tarweed Annual herb  
Hemizonia kelloggii Kellogg's tarweed Annual herb 1
Hemizonia mohavensis Mojave tarplant Annual herb 1
Hemizonia paniculata San diego tarweed Annual herb 2
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. australis Southern tarplant Annual herb 1
Hemizonia pungens Common spikeweed Annual herb 2
Hemizonia pungens ssp. laevis Smooth tarplant Annual herb  
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Herissantia crispa Curly herissantia Annual, Perennial herb  
Hesperevax acaulis Dwarf evax Annual herb  
Hesperevax acaulis var. ambusticola Fire evax Annual herb  
Hesperevax caulescens Hogwallow starfish Annual herb  
Hesperevax sparsiflora Few flowered evax Annual herb  
Hesperevax sparsiflora var. sparsiflora Few flowered evax Annual herb  
Hesperocnide tenella Western stinging nettle Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 3
Heterotheca sessiliflora Golden aster Annual herb 9
Holocarpha virgata Narrow tarplant Annual herb  
Holocarpha virgata ssp. elongata Graceful tarplant Annual herb  
Hordeum depressum Alkali barley Annual grass 3
Hordeum intercedens Vernal barley Annual grass 2
Hulsea mexicana Mexican hulsea Annual, Perennial herb  
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Isolepis cernua Low bulrush Annual grass 14
Johnstonella costata ribbed cryptantha Annual herb  
Johnstonella holoptera winged cryptantha Annual herb  
Juncus ambiguus Saline toad rush Annual grass  
Juncus bryoides Moss rush Annual grass  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus bufonius var. congestus Clustered toad rush Annual grass 1
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus kelloggii Kellogg's dwarf rush Annual grass  
Juncus luciensis Santa lucia rush Annual grass  
Juncus tiehmii Tiehm's rush Annual grass  
Juncus triformis Yosemite dwarf rush Annual grass  
Juncus uncialis Inch high dwarf rush Annual grass  
Kallstroemia californica California kallstroemia Annual herb  
Kallstroemia parviflora Few flowered caltrop Annual herb  
Laennecia coulteri Coulter's horseweed Annual herb  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Landoltia punctata Dotted duckmeat Annual, Perennial herb  
Langloisia setosissima Lilac sunbonnet Annual herb  
Langloisia setosissima ssp. punctata Lilac sunbonnet Annual herb  
Langloisia setosissima ssp. setosissima Bristly langloisia Annual herb  
Lastarriaea coriacea Leather spineflower Annual herb  
Lasthenia californica Goldfields Annual herb 12
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia coronaria Royal goldfields Annual herb 2
Lasthenia glaberrima Smooth goldfields Annual herb  
Lasthenia glabrata Yellow rayed goldfields Annual herb 9
Lasthenia glabrata ssp. coulteri Goldfields Annual herb  
Lasthenia glabrata ssp. glabrata Yellow rayed goldfields Annual herb  
Lasthenia gracilis Needle goldfields Annual herb  
Lasthenia minor Coastal goldfields Annual herb 1
Layia glandulosa White layia Annual herb 5
Layia heterotricha Pale yellow layia Annual herb  
Layia platyglossa Tidy tips Annual herb 19
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. elongatum Common pepper grass Annual herb  
Lepidium densiflorum var. pubecarpum Hairy pepper grass Annual herb  
Lepidium densiflorum var. pubicarpum Annual herb  
Lepidium dictyotum Net pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium flavum Yellow pepper grass Annual herb  
Lepidium flavum var. felipense Borrego valley pepper grass Annual herb  
Lepidium lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum ssp. lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum var. lasiocarpum Sand peppergrass Annual herb  
Lepidium latipes Dwarf pepper grass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb  
Lepidium oblongum Veiny pepper grass Annual herb  
Lepidium oblongum var. insulare Veiny pepper grass Annual herb  
Lepidium oblongum var. oblongum Veiny pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb 1
Lepidium strictum Peppergrass Annual herb  
Lepidium virginicum Wild pepper grass Annual herb 1
Lepidium virginicum ssp. menziesii Robinson's pepper grass Annual herb  
Lepidium virginicum ssp. virginicum Wild pepper grass Annual herb  
Lepidium virginicum var. medium Wild pepper grass Annual herb  
Lepidium virginicum var. pubescens Wild pepper grass Annual herb  
Lepidium virginicum var. robinsonii Robinson's pepper grass Annual herb  
Leptochloa fusca Sprangletop Annual grass  
Leptochloa fusca ssp. uninervia Mexican sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon aureus Golden linanthus Annual herb  
Leptosiphon aureus ssp. aureus Golden linanthus Annual herb  
Leptosiphon aureus ssp. decorus Golden linanthus Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon grandiflorus Large flowered leptosiphon Annual herb 15
Leptosiphon lemmonii Lemmon's linanthus Annual herb  
Leptosiphon liniflorus Narrowflower flaxflower Annual herb  
Leptosiphon parviflorus Variable linanthus Annual herb 1
Leptosiphon pygmaeus Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. pygmaeus Pygmy leptosiphon Annual herb  
Leptosyne bigelovii Bigelow coreopsis Annual herb 3
Leptosyne californica California coreopsis Annual herb  
Leptosyne douglasii Douglas' coreopsis Annual herb 1
Lessingia glandulifera Valley vinegar weed Annual herb  
Lessingia glandulifera var. glandulifera Sticky lessingia Annual herb  
Lessingia glandulifera var. tomentosa Warner springs lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia pectinata Annual herb 1
Lessingia pectinata var. tenuipes Sticky lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes alba White meadowfoam Annual herb 2
Limnanthes alba ssp. parishii Parish's meadowfoam Annual herb  
Limnanthes douglasii Common meadow foam Annual herb 7
Limnanthes gracilis ssp. parishii Parish's meadowfoam Annual herb  
Limosella acaulis Stemless mudwort Annual herb  
Limosella aquatica Northern mudwort Annual herb (aquatic)  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus aureus Golden gilia Annual herb  
Linanthus aureus ssp. aureus Golden linanthus Annual herb  
Linanthus aureus ssp. decorus Cream gilia Annual herb  
Linanthus bellus Desert beauty Annual herb  
Linanthus bigelovii Bigelow's linanthus Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus dianthiflorus Fringed linanthus Annual herb 1
Linanthus dichotomus Evening snow Annual herb  
Linanthus dichotomus ssp. dichotomus Evening snow Annual herb  
Linanthus filiformis Yellow gilia Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 16
Linanthus jonesii Jones linanthus Annual herb  
Linanthus lemmonii Lemmon's linanthus Annual herb  
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus maculatus Little san bernardino mtns. linanthus Annual herb  
Linanthus maculatus ssp. emaculatus Jacumba Mountains linanthus Annual herb  
Linanthus orcuttii Orcutt's linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. pygmaeus Typical pygmy linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb 1
Linaria canadensis var. texana Toad flax Annual, Perennial herb 1
Lindernia dubia False pimpernel Annual herb  
Lipocarpha micrantha Small flowered hemicarpha Annual grass  
Lipocarpha occidentalis Western hemicarpha Annual grass  
Loeflingia squarrosa Spreading loeflingia Annual herb  
Loeflingia squarrosa var. squarrosa California loeflingia Annual herb  
Loeseliastrum matthewsii Desert calico Annual herb 1
Loeseliastrum schottii Schott gilia Annual herb  
Logfia arizonica Arizona cottonrose Annual herb  
Logfia depressa Dwarf cottonrose Annual herb  
Logfia filaginoides California cottonrose Annual herb  
Lotus hamatus Small flowered lotus Annual herb 2
Lotus humistratus Short podded lotus Annual herb  
Lotus micranthus Hill lotus Annual herb  
Lotus nuttallianus Nuttall's lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus salsuginosus Coastal lotus Annual herb 2
Lotus salsuginosus var. brevivexillus Coastal lotus Annual herb  
Lotus salsuginosus var. salsuginosus Coastal lotus Annual herb  
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus affinis Fleshy lupine Annual herb  
Lupinus arizonicus Arizona lupine Annual herb 7
Lupinus arizonicus var. barbatulus Arizona lupine Annual herb  
Lupinus benthamii Spider lupine Annual herb 4
Lupinus bicolor Lupine Annual, Perennial herb 15
Lupinus brevicaulis Short stemmed blue lupine Annual herb  
Lupinus concinnus Bajada lupine Annual herb 3
Lupinus hirsutissimus Stinging lupine Annual herb 6
Lupinus luteolus Butter lupine Annual herb 1
Lupinus microcarpus Chick lupine Annual herb 8
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 13
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus nanus Valley sky lupine Annual herb 11
Lupinus odoratus Mojave lupine Annual herb 2
Lupinus shockleyi Shockley lupine Annual herb  
Lupinus sparsiflorus Coulter's lupine Annual herb 6
Lupinus sparsiflorus ssp. inopinatus Coulter's lupine Annual herb  
Lupinus sparsiflorus ssp. sparsiflorus Coulter's lupine Annual herb  
Lupinus sparsiflorus var. inopinatus Coulter's lupine Annual herb  
Lupinus succulentus Arroyo lupine Annual herb 22
Lupinus truncatus Blunt leaved lupine Annual herb 4
Lysimachia minima Chaffweed Annual herb  
Madia elegans Common madia Annual herb 13
Madia elegans ssp. elegans Common madia Annual herb 1
Madia exigua Small tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia minima Little tarweed Annual herb  
Madia sativa Coastal tarweed Annual herb  
Malacothrix californica Desert dandelion Annual herb  
Malacothrix clevelandii Cleveland's malacothrix Annual herb  
Malacothrix coulteri Snake's head Annual herb 2
Malacothrix glabrata Desert dandelion Annual herb 4
Malacothrix stebbinsii Stebbins' dandelion Annual herb  
Malperia tenuis Brown turbans Annual herb  
Matricaria discoidea Pineapple weed Annual herb 3
Matricaria occidentalis Valley mayweed Annual herb  
Meconella californica California meconella Annual herb  
Meconella denticulata Small flowered meconella Annual herb  
Mentzelia affinis Yellow comet Annual herb  
Mentzelia albicaulis White stemmed blazing star Annual herb 2
Mentzelia congesta Clustered blazing star Annual herb  
Mentzelia desertorum Desert blazing star Annual herb  
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia gracilenta Blazing star Annual herb  
Mentzelia hirsutissima Hairy stickleaf Annual herb  
Mentzelia involucrata Sand blazing star Annual herb  
Mentzelia involucrata var. involucrata Whitebract blazingstar Annual herb  
Mentzelia jonesii Jones' blazing star Annual herb, Vine  
Mentzelia lindleyi Lindley's blazing star Annual herb 9
Mentzelia micrantha Small flowered stickleaf Annual herb 2
Mentzelia montana Mountain blazing star Annual herb  
Mentzelia obscura Pacific blazing star Annual herb  
Mentzelia tricuspis Three pointed blazing star Annual herb  
Mentzelia tridentata Dentate blazing star Annual herb  
Mentzelia veatchiana Veatch's blazing star Annual herb  
Micropus californicus Q tips Annual herb 1
Micropus californicus var. californicus Slender cottonweed Annual herb  
Microseris douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. platycarpha Small flowered microseris Annual herb  
Microseris elegans Elegant silverpuffs Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimetanthe pilosa Snouted monkey flower Annual herb  
Mimulus androsaceus Androsace monkeyflower Annual herb  
Mimulus bigelovii Bigelow mimulus Annual herb 2
Mimulus bigelovii var. bigelovii Bigelow's monkeyflower Annual herb  
Mimulus bigelovii var. cuspidatus Bigelow's monkeyflower Annual herb  
Mimulus bolanderi Bolander's monkeyflower Annual herb  
Mimulus brevipes Wide throated yellow monkeyflower Annual herb 2
Mimulus breweri Brewer's monkeyflower Annual herb  
Mimulus congdonii Congdon's monkeyflower Annual herb  
Mimulus diffusus Palomar monkeyflower Annual herb  
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus fremontii Fremont's monkeyflower Annual herb  
Mimulus fremontii var. fremontii One sided monkeyflower Annual herb  
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus latidens Broad toothed monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 35
Mimulus palmeri Palmer's monkeyflower Annual herb  
Mimulus parishii Parish mimulus Annual herb 35
Mimulus pilosus Snouted monkey flower Annual herb  
Mimulus rubellus Red stemmed himulus Annual herb  
Mimulus subsecundus One sided monkeyflower Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Minuartia pusilla Annual sandwort Annual herb  
Mohavea breviflora Golden desert snapdragon Annual herb  
Mohavea confertiflora Mojave flower Annual herb  
Monardella breweri Brewer's monardella Annual herb  
Monardella breweri ssp. glandulifera Brewer's monardella Annual herb 1
Monardella breweri ssp. lanceolata Mustang mint Annual herb 1
Monardella breweri ssp. microcephala Brewer's monardella Annual herb 1
Monardella lanceolata Mustang mint Annual herb 1
Monardella lanceolata var. glandulifera Mustang monardella Annual herb  
Monardella lanceolata var. lanceolata Mustang monardella Annual herb  
Monardella lanceolata var. microcephala Mustang monardella Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Monoptilon bellidiforme Desert star Annual herb  
Monoptilon bellioides Mojave desert star Annual herb  
Montia fontana Water montia Annual herb  
Montia linearis Narrow leaved water chickweed Annual herb  
Mucronea californica California spineflower Annual herb 2
Muhlenbergia appressa Appressed muhly Annual grass  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Muhlenbergia microsperma Littleseed muhly Annual grass 4
Muhlenbergia minutissima Annual muhly Annual grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Myosurus minimus ssp. apus Little mouse tail Annual herb  
Myosurus sessilis Tiny mouse tail Annual herb  
Najas guadalupensis Guadalupe water nymph Annual herb  
Najas guadalupensis ssp. guadalupensis Southern waternymph Annual herb  
Najas marina Marine water nymph Annual herb  
Nama demissa Purplemat Annual herb  
Nama demissa var. demissa Purplemat Annual herb  
Nama demissum Purple mat Annual herb  
Nama demissum var. demissum Desert purple mat Annual herb  
Nama depressa Narrow Leaf Nama Annual herb  
Nama depressum Narrow leaved nama Annual herb  
Nama hispida Annual herb  
Nama hispida var. spathulata Purplemat Annual herb  
Nama hispidum Bristly nama Annual herb  
Nama hispidum var. spathulatum Rough purple mat Annual herb  
Nama stenocarpa Mud nama Annual herb  
Nama stenocarpum Mud nama Annual, Perennial herb  
Navarretia atractyloides Holly leaf navarretia Annual herb  
Navarretia capillaris Miniature gilia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia fossalis Spreading navarretia Annual herb  
Navarretia hamata Hooked navarretia Annual herb  
Navarretia hamata ssp. hamata Hooked navarretia Annual herb  
Navarretia hamata ssp. leptantha Hooked navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia leptalea Bridges' pincushionplant Annual herb  
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb  
Navarretia paradoxiclara Navarretia Annual herb  
Navarretia paradoxinota Navarretia Annual herb  
Navarretia peninsularis Baja navarretia Annual herb  
Navarretia propinqua Annual herb  
Navarretia prostrata Prostrate navarretia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Nemacaulis denudata Woolly heads Annual herb  
Nemacaulis denudata var. denudata Coast woolly heads Annual herb  
Nemacaulis denudata var. gracilis Slender woolly heads Annual herb  
Nemacladus breviflorus Short-flowered Long-flowered Threadplant Annual herb  
Nemacladus glanduliferus Thread plant Annual herb  
Nemacladus glanduliferus var. glanduliferus Glandular nemacladus Annual herb  
Nemacladus glanduliferus var. orientalis Eastern glandular nemacladus Annual herb  
Nemacladus gracilis Slender nemacladus Annual herb  
Nemacladus longiflorus Thread plant Annual herb  
Nemacladus longiflorus var. breviflorus Long flowered nemacladus Annual herb  
Nemacladus longiflorus var. longiflorus Long flowered nemacladus Annual herb  
Nemacladus orientalis Eastern glandular nemacladus Annual herb  
Nemacladus pinnatifidus Comb leaved nemacladus Annual herb  
Nemacladus ramosissimus Nuttall's nemacladus Annual herb  
Nemacladus rubescens Desert nemacladus Annual herb  
Nemacladus rubescens var. tenuis Desert nemacladus Annual herb  
Nemacladus sigmoideus Small flowered nemacladus Annual herb  
Nemacladus tenuis Desert nemacladus Annual herb  
Nemacladus tenuis var. aliformis Annual herb  
Nemacladus tenuis var. tenuis Desert nemacladus Annual herb  
Nemacladus twisselmannii Twisselmann's nemacladus Annual herb  
Nemacladus twisselmannii var. botanywomaniae Botany Woman's Threadplant Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 17
Nemophila menziesii var. integrifolia Baby blue eyes Annual herb  
Nemophila menziesii var. menziesii Baby blue eyes Annual herb  
Nemophila pedunculata Meadow nemophila Annual herb  
Nemophila spatulata Sierra nemophila Annual herb  
Nicotiana attenuata Coyote tobacco Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Nicotiana clevelandii Cleveland's tobacco Annual herb  
Nicotiana quadrivalvis Indian tobacco Annual herb 2
Nicotiana quadrivalvis var. wallacei Wallace's tobacco Annual herb  
Nuttallanthus canadensis Canada toadflax Annual, Biennial herb  
Nuttallanthus texanus Blue toadflax Annual, Perennial herb 1
Oenothera deltoides Desert lantern Annual herb 6
Oenothera deltoides ssp. deltoides Desert lantern Annual herb  
Oligomeris linifolia Leaved cambess Annual herb  
Orcuttia californica California orcutt grass Annual grass  
Osmadenia tenella Osmadenia Annual herb  
Oxalis pilosa Hairy wood sorrel Annual herb  
Oxytheca trilobata Three lobed oxytheca Annual herb  
Palafoxia arida Spanish needle Annual herb  
Palafoxia arida var. arida Desert needle Annual herb  
Panicum capillare Old witch grass Annual grass 2
Panicum hirticaule Mexican panicgrass Annual grass  
Panicum hirticaule ssp. hirticaule Roughstalk witch grass Annual grass  
Panicum hirticaule var. hirticaule Mexican panicgrass Annual grass  
Papaver californicum Fire poppy Annual herb 2
Papaver heterophyllum Wind poppy Annual herb 6
Parietaria hespera Pelitory Annual herb  
Parietaria hespera var. californica California pellitory Annual herb  
Parietaria hespera var. hespera Pellitory Annual herb  
Parietaria pensylvanica Pennsylvania pellitory Annual herb  
Pectis papposa Manybristle chinchweed Annual herb  
Pectis papposa var. papposa Chinch weed Annual herb  
Pectocarya heterocarpa Chuckwalla pectocarya Annual herb  
Pectocarya linearis Sagebrush combseed Annual herb  
Pectocarya linearis ssp. ferocula Slender comb seed Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya peninsularis Baja pectocarya Annual herb  
Pectocarya platycarpa Broad nutted comb bur Annual herb  
Pectocarya recurvata Arch nutted comb bur Annual herb  
Pectocarya setosa Moth combseed Annual herb 1
Pentachaeta aurea Golden rayed pentachaeta Annual herb  
Perityle emoryi Emory's rock daisy Annual herb 3
Persicaria lapathifolia Common knotweed Annual herb  
Petunia parviflora Wild petunia Annual herb  
Phacelia affinis Limestone phacelia Annual herb  
Phacelia brachyloba Short lobed phacelia Annual herb 1
Phacelia calthifolia Caltha leafed phacelia Annual herb  
Phacelia campanularia Desert bells Annual herb 17
Phacelia campanularia ssp. campanularia Desert bells Annual herb 1
Phacelia campanularia var. campanularia Desert bells Annual herb 1
Phacelia cicutaria Caterpillar phacelia Annual herb 5
Phacelia cicutaria var. cicutaria Caterpillar phacelia Annual herb  
Phacelia cicutaria var. hispida Caterpillar phacelia Annual herb  
Phacelia ciliata Great valley phacelia Annual herb 1
Phacelia crenulata Notch leaved phacelia Annual herb 2
Phacelia crenulata var. ambigua Heliotrope phacelia Annual herb  
Phacelia crenulata var. minutiflora Little flowered heliotrope phacelia Annual herb  
Phacelia cryptantha Small flowered phacelia Annual herb  
Phacelia curvipes Washoe phacelia Annual herb  
Phacelia davidsonii Davidson's phacelia Annual herb  
Phacelia distans Common phacelia Annual herb 3
Phacelia douglasii Douglas' phacelia Annual herb  
Phacelia grandiflora Giant flowered phacelia Annual herb 6
Phacelia hardhamiae Hardham's gray phacelia Annual herb  
Phacelia humilis Low phacelia Annual herb  
Phacelia humilis var. humilis Low phacelia Annual herb  
Phacelia imbricata var. bernardina Bernadina Phacelia Annual herb  
Phacelia imbricata var. imbricata Imbricate Phacelia Annual herb  
Phacelia ivesiana Ives' phacelia Annual herb  
Phacelia ivesiana var. pediculoides Ives' phacelia Annual herb  
Phacelia ixodes Costa baja phacelia Annual herb  
Phacelia keckii Santiago peak phacelia Annual herb  
Phacelia lemmonii Lemmon's phacelia Annual herb  
Phacelia longipes Long stalk phacelia Annual herb  
Phacelia lyonii Lyon's phacelia Annual herb  
Phacelia minor Wild canterbury bells Annual herb 4
Phacelia nashiana Charlotte's phacelia Annual herb  
Phacelia neglecta Alkali phacelia Annual herb  
Phacelia pachyphylla Thick leafed phacelia Annual herb  
Phacelia parryi Parry's phacelia Annual herb 3
Phacelia pedicellata Specter phacelia Annual herb  
Phacelia platyloba Broad lobed phacelia Annual herb  
Phacelia rotundifolia Round leafed phacelia Annual herb  
Phacelia stellaris Brand's phacelia Annual herb  
Phacelia suaveolens ssp. keckii Santiago peak phacelia Annual herb  
Phacelia suaveolens var. keckii Santiago peak phacelia Annual herb  
Phacelia tanacetifolia Tansy leafed phacelia Annual herb 14
Phacelia umbrosa Colorado desert phacelia Annual herb  
Phacelia viscida Sticky phacelia Annual herb 5
Phacelia viscida var. viscida Sticky phacelia Annual herb  
Phalaris angusta Timothy canarygrass Annual grass  
Phalaris lemmonii Lemmon's canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Pholistoma auritum Fiesta flower Annual herb  
Pholistoma auritum var. arizonicum Arizona pholistoma Annual herb  
Pholistoma auritum var. auritum Blue fiesta flower Annual herb  
Pholistoma membranaceum White fiesta flower Annual herb  
Pholistoma racemosum San diego fiesta flower Annual herb  
Physalis acutifolia Sharp leaf ground cherry Annual herb 1
Physalis crassifolia Thick leaved ground cherry Annual, Perennial herb  
Plagiobothrys acanthocarpus Adobe allocarya Annual herb  
Plagiobothrys arizonicus Arizona popcorn flower Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb 1
Plagiobothrys canescens var. canescens Valley popcornflower Annual herb  
Plagiobothrys canescens var. catalinensis Catalina popcornflower Annual herb  
Plagiobothrys cognatus Popcorn flower Annual herb  
Plagiobothrys collinus Cooper's popcornflower Annual herb  
Plagiobothrys collinus var. californicus California popcorn flower Annual herb  
Plagiobothrys collinus var. fulvescens Rusty haired popcorn flower Annual herb  
Plagiobothrys collinus var. gracilis Graceful popcorn flower Annual herb  
Plagiobothrys collinus var. ursinus Northern popcorn flower Annual herb  
Plagiobothrys fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys hispidulus Harsh allocarya Annual herb  
Plagiobothrys hispidus Cascade popcorn flower Annual herb  
Plagiobothrys jonesii Jones' popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys reticulatus var. rossianorum Fort ross allocarya Annual herb  
Plagiobothrys scouleri Scouler's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys scriptus Scribe's allocarya Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys trachycarpus Rough fruited allocarya Annual herb  
Plagiobothrys undulatus Coast allocarya Annual herb  
Planodes virginica Common rock cress Annual, Perennial herb  
Planodes virginicum Common rock cress Annual, Perennial herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Plantago ovata Desert plantain Annual herb 5
Plantago ovata var. fastigiata Desert plantain Annual herb  
Plantago ovata var. insularis Desert plantain Annual herb 5
Plantago patagonica Patagonia plantain Annual herb 1
Plantago rhodosperma Virginia plantain Annual, Perennial herb  
Platystemon californicus Cream cups Annual herb 2
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. insignis Showy plectritis Annual herb  
Plectritis congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Pluchea odorata Salt marsh fleabane Annual, Perennial herb 9
Pluchea odorata var. odorata Salt marsh fleabane Annual, Perennial herb 3
Poa bigelovii Bigelow's blue grass Annual grass  
Poa howellii Howell's blue grass Annual grass  
Pogogyne abramsii San diego mesa mint Annual herb  
Pogogyne nudiuscula Otay mesa mint Annual herb  
Polycarpon depressum California polycarpon Annual herb  
Polygonum douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. johnstonii Knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum parryi Parry's knotweed Annual herb  
Polygonum ramosissimum ssp. ramosissimum Yellow knotweed Annual herb  
Polygonum sawatchense Knotweed Annual herb  
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb  
Polygonum sawatchense ssp. sawatchense Knotweed Annual, Perennial herb  
Portulaca halimoides Purslane Annual herb  
Potentilla rivalis Brook cinquefoil Annual, Perennial herb  
Poteridium annuum Western burnet Annual, Perennial herb  
Prenanthella exigua Thorny skeleton plant Annual herb  
Proboscidea parviflora Doubleclaw Annual herb  
Proboscidea parviflora ssp. parviflora Devil's claw Annual herb  
Psathyrotes ramosissima Turtleback Annual, Perennial herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 13
Pseudognaphalium roseum Rosy cudweed Annual herb  
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus brevissimus var. multiflorus Delta woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Pterostegia drymarioides Fairy mist Annual herb  
Rafinesquia californica California chicory Annual herb  
Rafinesquia neomexicana Desert chicory Annual herb 1
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus sceleratus Cursed crowfoot Annual herb (aquatic)  
Ranunculus sceleratus var. sceleratus Cursed buttercup Annual herb (aquatic)  
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb  
Rorippa curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris Bog yellow cress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rorippa tenerrima Modoc yellow cress Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Rumex persicarioides Golden dock Annual, Perennial herb  
Rumex violascens Mexican dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Salicornia bigelovii Bigelow's pickleweed Annual herb  
Salicornia depressa Virginia glasswort Annual herb 7
Salicornia rubra Red pickleweed Annual herb  
Saltugilia australis Southern gilia Annual herb  
Saltugilia caruifolia Caraway leaved woodland gilia Annual herb  
Salvia carduacea Thistle sage Annual herb 7
Salvia columbariae Chia sage Annual herb 12
Salvia columbariae var. columbariae Chia Annual herb  
Schoenoplectus saximontanus Rocky mountain bulrush Annual grass  
Scirpus cernuus Low clubrush Annual grass 14
Scirpus saximontanus Rocky mountain bulrush Annual grass  
Scribneria bolanderi Scribneria Annual grass  
Senecio aphanactis California groundsel Annual herb  
Senecio californicus California butterweed Annual herb  
Senecio mohavensis Mohave groundsel Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Sibaropsis hammittii Hammitt's claycress Annual herb  
Sidotheca trilobata Three lobed oxytheca Annual herb  
Silene antirrhina Sleepy catch fly Annual herb  
Silene multinervia Fire following campion Annual herb  
Silene verecunda Dolores campion Annual herb  
Silene verecunda ssp. platyota San francisco campion Annual herb  
Solanum americanum White nightshade Annual, Perennial herb 2
Spergularia atrosperma Sand spurrey Annual herb  
Spergularia marina Salt sand spurry Annual herb 1
Spergularia salina Salt sandspurry Annual herb 1
Spermolepis echinata Bristly spermolepis Annual herb  
Spermolepis gigantea desert scaleseed Annual herb  
Spermolepis infernensis Hellhole scaleseed Annual herb  
Spermolepis lateriflora western bristly scaleseed Annual herb  
Sphaeralcea orcuttii Carrizo mallow Annual, Perennial herb  
Spirodela punctata Dotted duckmeat Annual, Perennial herb  
Stebbinsoseris heterocarpa Grassland stebbinsoseris Annual herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria diegensis San diego wreathplant Annual, Perennial herb  
Stephanomeria exigua Small wirelettuce Annual herb  
Stephanomeria exigua ssp. coronaria White plume wirelettuce Annual herb  
Stephanomeria exigua ssp. deanei Dean's stephanomeria Annual herb  
Stephanomeria exigua ssp. exigua Mitra Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Stephanomeria virgata ssp. virgata Tall milk aster Annual herb  
Stillingia spinulosa Broad leaved stillingia Annual, Perennial herb  
Streptanthella longirostris Long beaked twist flower Annual herb  
Stylocline citroleum Oil nest straw Annual herb  
Stylocline gnaphaloides Everlasting stylocline Annual herb  
Stylocline intertexta Tangled nest straw Annual herb  
Stylocline micropoides Desert nest straw Annual herb  
Stylocline psilocarphoides Peck's stylocline Annual herb  
Stylomecon heterophylla Wind poppy Annual herb 6
Suaeda calceoliformis Horned sea blite Annual herb 1
Suaeda occidentalis Western horned sea blite Annual herb 1
Symphyotrichum frondosum Short rayed alkali aster Annual herb  
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Tetrapteron graciliflorum Hill sun cup Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus curvipes ssp. elegans Fringe Pod Annual herb  
Thysanocarpus curvipes ssp. eradiatus Fringe Pod Annual herb  
Thysanocarpus laciniatus Narrow leaved lacepod Annual herb 1
Thysanocarpus laciniatus var. laciniatus Narrow leaved lacepod Annual herb 1
Thysanocarpus laciniatus var. rigidus Narrow leaved lacepod Annual herb 1
Thysanocarpus radians Showy fringe pod Annual herb 1
Thysanocarpus rigidus Rigid fringepod Annual herb  
Tidestromia suffruticosa Honeysweet Annual herb  
Tidestromia suffruticosa var. oblongifolia Honeysweet Annual herb  
Trianthema portulacastrum Horse purslane Annual herb  
Trichoptilium incisum Yellow head Annual herb  
Trichostema austromontanum Southern bluecurls Annual herb  
Trichostema austromontanum ssp. austromontanum Southern bluecurls Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. albopurpureum Indian clover Annual herb 2
Trifolium bifidum Notch leaf clover Annual herb 2
Trifolium bifidum var. decipiens Notch leaf clover Annual herb 2
Trifolium ciliolatum Tree clover Annual herb 6
Trifolium depauperatum Dwarf sack clover Annual herb  
Trifolium depauperatum var. amplectens Pale sack clover Annual herb  
Trifolium depauperatum var. depauperatum Dwarf bladder clover Annual herb  
Trifolium depauperatum var. truncatum Dwarf sack clover Annual herb  
Trifolium fucatum Bull clover Annual herb 5
Trifolium gracilentum Pin point clover Annual herb 4
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 4
Trifolium microcephalum Small head clover Annual herb 4
Trifolium obtusiflorum Creek clover Annual herb 5
Trifolium polyodon Pacific grove clover Annual herb 1
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. geminiflorum Small-flowered variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 7
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triodanis biflora Venus looking glass Annual herb  
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Tropidocarpum gracile Slender tropidocarpum Annual herb  
Uropappus lindleyi Silver puffs Annual herb 1
Verbena bracteata Bracted verbena Annual, Perennial herb  
Verbena menthifolia Mint leafed vervain Annual, Perennial herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vicia ludoviciana Louisiana vetch Annual herb  
Vicia ludoviciana ssp. ludoviciana Louisiana vetch Annual herb  
Vicia ludoviciana var. ludoviciana Slender vetch Annual herb  
Vulpia microstachys Fescue Annual grass 6
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora Slender fescue Annual grass 5
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass  
Wislizenia refracta Jack ass clover Annual herb  
Wislizenia refracta ssp. palmeri Palmer's jackass clover Annual herb  
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera exaltata Cancha lagua Annual herb  
Zeltnera namophila Spring-loving Centaury Annual herb  
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial3 plants
  Lifeform: Perennial1414 plants
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. umbellata Sand verbena Perennial herb  
Abronia umbellata var. umbellata Beach sand verbena Perennial herb  
Abutilon abutiloides shrubby Indian mallow Perennial herb  
Abutilon palmeri Palmer's abutilon Perennial herb 16
Achillea millefolium Yarrow Perennial herb 70
Achnatherum coronatum Giant needlegrass Perennial grass 7
Achnatherum diegoense San diego county needle grass Perennial grass  
Achnatherum hymenoides Indian rice grass Perennial grass 8
Achnatherum lemmonii Lemmon's stipa Perennial grass 1
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum lettermanii Letterman stipa Perennial grass 1
Achnatherum nelsonii Columbia needlegrass Perennial grass 1
Achnatherum nelsonii ssp. dorei Mountain needlegrass Perennial grass 1
Achnatherum occidentale Western needlegrass Perennial grass 1
Achnatherum occidentale ssp. californicum California needlegrass Perennial grass  
Achnatherum occidentale ssp. occidentale Western needlegrass Perennial grass  
Achnatherum occidentale ssp. pubescens Elmer's needlegrass Perennial grass  
Achnatherum parishii Parish's needlegrass Perennial grass  
Achnatherum speciosum Desert needlegrass Perennial grass 8
Acmispon argophyllus Silver birds foot trefoil Perennial herb  
Acmispon argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Acmispon argyraeus Canyon birdsfoot trefoil Perennial herb  
Acmispon glaber Deerweed Perennial herb 22
Acmispon glaber var. brevialatus Short winged deerweed Perennial herb  
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon grandiflorus Large leaved lotus Perennial herb 4
Acmispon grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Acmispon haydonii Pygmy lotus Perennial herb  
Acmispon heermannii Heermann's lotus Perennial herb 4
Acmispon heermannii var. heermannii Heermann's lotus Perennial herb 1
Acmispon heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Acmispon procumbens Silky california broom Perennial herb, Shrub  
Acmispon rigidus Desert lotus Perennial herb  
Acourtia microcephala Sacapellote Perennial herb 1
Adenophyllum porophylloides San felipe dogweed Perennial herb  
Agave deserti Desert agave Perennial herb 10
Agave deserti var. deserti Desert agave Perennial herb 1
Agoseris grandiflora Giant mountain dandelion Perennial herb 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris retrorsa Spear leaved agoseris Perennial herb 1
Agrimonia gryposepala Common agrimony Perennial herb  
Agrostis exarata Bentgrass Perennial grass 5
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis scabra Rough bentgrass Perennial grass 4
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allionia incarnata Windmills Perennial herb  
Allionia incarnata var. incarnata Trailing windmills Perennial herb  
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium bisceptrum Twincrest onion Perennial herb (bulb)  
Allium campanulatum Dusky onion Perennial herb (bulb) 2
Allium fimbriatum Wild onion Perennial herb (bulb) 1
Allium fimbriatum var. fimbriatum Fringed onion Perennial herb (bulb)  
Allium haematochiton Red skinned onion Perennial herb (bulb) 5
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. davisiae Davis' pitted onion Perennial herb (bulb)  
Allium lacunosum var. lacunosum Pitted onion Perennial herb (bulb)  
Allium lacunosum var. micranthum White fringed onion Perennial herb (bulb)  
Allium marvinii Yucaipa onion Perennial herb (bulb) 5
Allium parishii Wild onion Perennial herb (bulb)  
Allium parryi Parry's fringed onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium praecox Early onion Perennial herb (bulb) 3
Alopecurus aequalis Sonoma alopecurus Perennial grass  
Alopecurus aequalis var. aequalis Shortawn foxtail Perennial grass  
Ambrosia ambrosioides Ambrosia leaved burbush Perennial herb 1
Ambrosia chamissonis Silver beachweed Perennial herb 10
Ambrosia confertiflora Weak leaved burweed Perennial herb  
Ambrosia psilostachya Ragweed Perennial herb 7
Ambrosia pumila San diego ambrosia Perennial herb (rhizomatous) 3
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Amsonia tomentosa Gray amsonia Perennial herb  
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Andropogon glomeratus Bushy bluestem Perennial grass 2
Andropogon glomeratus var. scabriglumis Beardgrass Perennial grass  
Anemone tuberosa Tuber anemone Perennial herb 1
Anemopsis californica Yerba mansa Perennial herb 31
Angelica capitellata Grayswamp whiteheads Perennial herb 2
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Antirrhinum confertiflorum Ghost flower Perennial herb  
Antirrhinum mohavea Golden desert snapdragon Perennial herb  
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. feudgei California broomrape Perennial herb (parasitic)  
Aphyllon cooperi Burroweed strangler Perennial herb (parasitic)  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Aphyllon parishii Parish's broom rape Perennial herb (parasitic)  
Aphyllon parishii ssp. brachylobum Short lobed broom rape Perennial herb (parasitic)  
Aphyllon parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Aphyllon tuberosum Chaparral broomrape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 11
Aquilegia formosa Columbine Perennial herb 54
Arabis glabra Smooth rock cress Perennial herb  
Arabis glabra var. furcatipilis Smooth rock cress Perennial herb  
Arabis glabra var. glabra Smooth rock cress Perennial herb  
Arabis hirshbergiae Cuyamaca rockcress Perennial herb  
Arabis hoffmannii Hoffmann's rock cress Perennial herb  
Arabis holboellii Holboell's rock cress Perennial herb  
Arabis holboellii var. pinetorum Pine rockcress Perennial herb  
Arabis holboellii var. retrofracta Backward splitting holboell's rock cress Perennial herb  
Arabis johnstonii Johnston's rock cress Perennial herb  
Arabis perennans Rock cress Perennial herb  
Arabis pulchra Prince s rock cress Perennial herb 2
Arabis pulchra var. gracilis Slender & beautiful rock cress Perennial herb  
Arabis pulchra var. pulchra Beautiful rock cress Perennial herb 2
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Arabis sparsiflora var. californica California elegant rock cress Perennial herb 1
Arabis sparsiflora var. sparsiflora Elegant rock cress Perennial herb 2
Aralia californica California spikenard Perennial herb 18
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Argemone corymbosa Leafy prickly poppy Perennial herb 2
Argyranthemum foeniculum Dill daisy Perennial herb  
Aristida californica California threeawn Perennial grass  
Aristida californica var. californica California three aw Perennial grass  
Aristida purpurea Purple three awn Perennial grass 18
Aristida purpurea var. fendleriana Fendler three awn Perennial grass  
Aristida purpurea var. longiseta Red three awn Perennial grass 2
Aristida purpurea var. nealleyi Reverchon three awn Perennial grass  
Aristida purpurea var. parishii Parish three awn Perennial grass  
Aristida purpurea var. purpurea Purple three awn Perennial grass 2
Aristida purpurea var. wrightii Wright three awn Perennial grass  
Aristida ternipes Spidergrass Perennial grass 2
Aristida ternipes var. gentilis Spidergrass Perennial grass 2
Armeria maritima Thrift seapink Perennial herb 34
Armeria maritima ssp. californica Sea thrift Perennial herb 7
Arnica cordifolia Heart leaved arnica Perennial herb 1
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia dracunculus Tarragon Perennial herb 11
Artemisia ludoviciana Silver wormwood Perennial herb 17
Artemisia ludoviciana ssp. albula White hugwort Perennial herb 1
Artemisia ludoviciana ssp. incompta Western mugwort Perennial herb  
Artemisia ludoviciana ssp. ludoviciana Silver wormwood Perennial herb 3
Artemisia pycnocephala Beach sagewort Perennial herb 28
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Asclepias californica California milkweed Perennial herb 8
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias erosa Desert milkweed Perennial herb 3
Asclepias fascicularis narrow leaf milkweed Perennial herb 31
Asclepias subulata Ajamete Perennial herb 8
Asclepias vestita Woolly milkweed Perennial herb  
Aster ascendens Long leaved aster Perennial herb  
Aster bernardinus San bernardino aster Perennial herb  
Aster chilensis California aster Perennial herb 40
Aster lanceolatus ssp. hesperius Western lance leaf aster Perennial herb  
Astragalus coccineus Scarlet milk vetch Perennial herb 1
Astragalus crotalariae Salton milk vetch Perennial herb  
Astragalus deanei Dean's milk vetch Perennial herb  
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. parishii Parish's milk vetch Perennial herb  
Astragalus douglasii var. perstrictus Jacumba milk vetch Perennial herb  
Astragalus magdalenae Satiny milkvetch Perennial herb  
Astragalus magdalenae var. peirsonii Peirson's milk vetch Perennial herb  
Astragalus oocarpus San diego milk vetch Perennial herb  
Astragalus pachypus Thick pod milk vetch Perennial herb  
Astragalus pachypus var. pachypus Thick pod milk vetch Perennial herb  
Astragalus palmeri Palmer locoweed Perennial herb  
Astragalus pomonensis Pomona milk vetch Perennial herb 4
Astragalus trichopodus Santa barbara milk vetch Perennial herb 3
Astragalus trichopodus var. lonchus Southern california milkvetch Perennial herb 1
Astragalus trichopodus var. phoxus Santa barbara milk vetch Perennial herb 1
Astragalus trichopodus var. trichopodus Santa barbara milk vetch Perennial herb 1
Atriplex californica California salt bush Perennial herb 1
Atriplex coulteri Coulter's saltbush Perennial herb  
Atriplex leucophylla Sea scale Perennial herb 8
Atriplex watsonii Watson's saltbush Perennial herb 3
Ayenia compacta Desert ayenia Perennial herb, Shrub  
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Baileya multiradiata Desert marigold Perennial herb 20
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 20
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens laevis Bur marigold Perennial herb 4
Bloomeria clevelandii San diego goldenstar Perennial herb  
Bloomeria crocea Golden stars Perennial herb 10
Bloomeria crocea var. aurea Common goldenstar Perennial herb  
Bloomeria crocea var. crocea Common goldenstar Perennial herb 1
Bloomeria crocea var. montana Mountain goldenstar Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera californica California rockcress Perennial herb 1
Boechera hirshbergiae Hirshberg's rockcress Perennial herb  
Boechera hoffmannii Hoffmann's rockcress Perennial herb  
Boechera johnstonii Johnston's rockcress Perennial herb  
Boechera perennans Perennial rockcress Perennial herb  
Boechera pinetorum Woodland rockcress Perennial herb  
Boechera pulchra Beautiful rockcress Perennial herb 2
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera xylopoda Bigfoot hybrid rockcress Perennial herb  
Boerhavia coccinea Red boerhaavia Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Bothriochloa barbinodis Beard grass Perennial grass 6
Bouteloua curtipendula Side oats grama Perennial grass 16
Bouteloua eriopoda Black grama Perennial grass  
Boykinia rotundifolia Round leaved boykinia Perennial herb 1
Brandegea bigelovii Brandegea Perennial herb  
Brickellia californica California brickellia Perennial herb 15
Brickellia californica var. californica California brickellbush Perennial herb 2
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea filifolia Thread leaved brodiaea Perennial herb (bulb) 2
Brodiaea jolonensis Jolon brodiaea Perennial herb 1
Brodiaea leptandra Narrow-flowered california brodiaea Perennial herb 1
Brodiaea orcuttii Orcutt's brodiaea Perennial herb (bulb)  
Brodiaea santarosae Santa Rosa basalt brodiaea Perennial herb  
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. kernensis Kern dwarf brodiaea Perennial herb  
Bromus carinatus California bromegrass Perennial grass 19
Bromus carinatus var. carinatus California brome Perennial grass 19
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus carinatus var. maritimus Seaside brome Perennial grass 1
Bromus grandis Tall brome Perennial grass  
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus sitchensis Sitka brome Perennial grass 2
Bromus sitchensis var. carinatus California brome Perennial grass 19
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Bromus sitchensis var. maritimus Maritime brome Perennial grass 1
Bromus sitchensis var. sitchensis Sitka brome, alaska brome Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Callitriche heterophylla Water starwort Perennial herb  
Callitriche longipedunculata Longstock water-starwort Perennial herb  
Calochortus albus White fairy lantern Perennial herb 6
Calochortus albus var. albus Fairy lantern Perennial herb 1
Calochortus catalinae Catalina mariposa Perennial herb (bulb) 3
Calochortus concolor Golden bowl mariposa Perennial herb 1
Calochortus dunnii Dunn's mariposa lily Perennial herb (bulb) 1
Calochortus invenustus Plain mariposa Perennial herb 2
Calochortus leichtlinii Leichtlin's mariposa lily Perennial herb 2
Calochortus palmeri Strangling mariposa Perennial herb 1
Calochortus palmeri var. munzii Munz's mariposa lily Perennial herb (bulb) 1
Calochortus splendens Splendid mariposa Perennial herb 4
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus weedii Weed's mariposa Perennial herb 1
Calochortus weedii var. intermedius Intermediate mariposa lily Perennial herb (bulb) 1
Calochortus weedii var. weedii Weed's mariposa Perennial herb 1
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia longipes Piute morning glory Perennial herb 1
Calystegia macrostegia Island morning glory Perennial herb, Vine 19
Calystegia macrostegia ssp. arida Southern california morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. cyclostegia Coast morning glory Perennial herb, Vine 3
Calystegia macrostegia ssp. intermedia South coast morning glory Perennial herb, Vine  
Calystegia macrostegia ssp. macrostegia Island morning glory Perennial herb, Vine 2
Calystegia macrostegia ssp. tenuifolia San diego morning glory Perennial herb, Vine  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. fulcrata Sonora morning glory Perennial herb  
Calystegia sepium Western hedge bindweed Perennial herb 1
Calystegia soldanella Beach morning glory Perennial herb 3
Camissonia cheiranthifolia Beach evening primrose Perennial herb 11
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 11
Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex alma Sedge Perennial grass  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex athrostachya Slender leaved sedge Perennial grass 3
Carex barbarae Valley sedge Perennial grass 24
Carex densa Sedge Perennial grass 8
Carex dudleyi Dudley's sedge Perennial grass 8
Carex feta Green sheathed sedge Perennial grass  
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex globosa Round fruit sedge Perennial grass 5
Carex hassei Hasse's sedge Perennial grass  
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex obispoensis San luis obispo sedge Perennial grass (rhizomatous)  
Carex praegracilis Field sedge Perennial grass 28
Carex sartwelliana Yosemite sedge Perennial grass  
Carex schottii Schott's sedge Perennial grass  
Carex senta Rough sedge Perennial grass 3
Carex spissa San Diego sedge Perennial grass 14
Carex subfusca Brown sedge Perennial grass 8
Carex triquetra Triangular fruit sedge Perennial grass  
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja angustifolia Desert paintbrush Perennial herb 3
Castilleja applegatei Wavy leaf paintbrush Perennial herb 2
Castilleja applegatei ssp. martinii Martin's paintbrush Perennial herb 1
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja arachnoidea Cobwebby paintbrush Perennial herb  
Castilleja chromosa Desert paintbrush Perennial herb 3
Castilleja foliolosa Texas paintbrush Perennial herb 3
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja miniata ssp. miniata Scarlet indian paintbrush Perennial herb  
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja peirsonii Peirson's paintbrush Perennial herb  
Castilleja plagiotoma Mojave indian paintbrush Perennial herb (hemiparasitic)  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Castilleja subinclusa ssp. subinclusa Long leaf paintbrush Perennial herb 1
Cephalanthera austiniae Phantom orchid Perennial herb  
Ceratophyllum demersum Hornwort Perennial herb 1
Chaenactis parishii Parish's chaenactis Perennial herb  
Chaenactis santolinoides Santolina chaenactis Perennial herb  
Chamaesyce albomarginata Rattlesnake weed Perennial herb  
Chamaesyce arizonica Arizona spurge Perennial herb  
Chamaesyce melanadenia Spurge Perennial herb  
Chamaesyce parishii Parish's spurge Perennial herb  
Chamaesyce pediculifera Carrizo mountain spurge Perennial herb  
Chamaesyce polycarpa Small seeded spurge Perennial herb  
Chamaesyce polycarpa var. hirtella Hairy small seeded spurge Perennial herb  
Chamaesyce polycarpa var. polycarpa Small seeded spurge Perennial herb  
Chamerion angustifolium Fireweed Perennial herb 14
Chamerion angustifolium ssp. circumvagum Fireweed Perennial herb 2
Chenopodium californicum California goosefoot Perennial herb 1
Chimaphila menziesii Little prince's pine Perennial herb  
Chloracantha spinosa Spiny chloracantha Perennial herb  
Chloracantha spinosa var. spinosa Spiny goldenbush Perennial herb  
Chlorogalum parviflorum Small flowered soaproot Perennial herb  
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Chrysothamnus paniculatus Blackbanded rabbit brush Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. angustifolia Narrow leafed water hemlock Perennial herb  
Cicuta maculata var. maculata Spotted water hemlock Perennial herb  
Cirsium andersonii Anderson's thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium scariosum Elk thistle Perennial herb  
Cirsium scariosum var. americanum Dinnerplate thistle Perennial herb  
Cirsium scariosum var. citrinum Southern meadow thistle Perennial herb  
Cirsium scariosum var. congdonii Elk thistle Perennial herb  
Cirsium scariosum var. loncholepis La graciosa thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 27
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 1
Clematis pauciflora Virgin's bower Perennial herb, Vine 1
Clinopodium chandleri San miguel savory Perennial herb 6
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. maculata Summer coralroot Perennial herb  
Coreopsis maritima Sea dahlia Perennial herb 6
Corethrogyne filaginifolia Common sandaster Perennial herb 9
Corethrogyne filaginifolia var. californica California sandaster Perennial herb 3
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 12
Corethrogyne filaginifolia var. incana San diego sand aster Perennial herb  
Corethrogyne filaginifolia var. linifolia Del mar mesa sand aster Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Croton californicus Desert croton Perennial herb 5
Cryptantha racemosa Woody forget me not Perennial herb  
Cucurbita digitata Finger leaved gourd Perennial herb, Vine  
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. venusta Showy cycladenia Perennial herb  
Cylindropuntia acanthocarpa Buck horn cholla Perennial herb (stem succulent) 4
Cylindropuntia acanthocarpa var. acanthocarpa Buckhorn cholla Perennial herb (stem succulent) 3
Cylindropuntia californica California cholla Perennial herb (stem succulent) 5
Cylindropuntia californica var. californica California pricklypear Perennial herb (stem succulent) 1
Cylindropuntia californica var. parkeri Brownspined pricklypear Perennial herb (stem succulent) 1
Cylindropuntia fosbergii Pink teddy-bear cholla Perennial herb 1
Cylindropuntia ganderi Gander's buckhorn cholla Perennial herb (stem succulent)  
Cymopterus panamintensis Panamint indian parsnip Perennial herb  
Cymopterus panamintensis var. acutifolius Panamint indian parsnip Perennial herb  
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cynanchum utahense Vine milkweed Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus esculentus Nut grass Perennial grass  
Cyperus esculentus var. heermannii Nut grass Perennial grass  
Cyperus esculentus var. macrostachyus Yellow nutsedge Perennial grass  
Cyperus laevigatus Smooth cyperus Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus parishii Parish's flatsedge Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
Dalea mollis Silky dalea Perennial herb  
Dalea mollissima Silky dalea Perennial herb  
Danthonia californica California oatgrass Perennial grass 21
Danthonia unispicata One spiked oatgrass Perennial grass  
Dasyochloa pulchella Low woollygrass Perennial grass  
Datisca glomerata Durango root Perennial herb 2
Datura inoxia ! Pricklyburr Perennial herb 6
Datura wrightii Jimsonweed Perennial herb 15
Delphinium Xinflexum Perennial herb  
Delphinium cardinale Scarlet larkspur Perennial herb 8
Delphinium hesperium Western larkspur Perennial herb 1
Delphinium hesperium ssp. cuyamacae Cuyamaca larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb 1
Delphinium inflexum Hybrid parry's larkspur Perennial herb 8
Delphinium parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. parishii Parish's larkspur Perennial herb  
Delphinium parishii ssp. subglobosum Intermediate larkspur Perennial herb  
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. maritimum Seaside larkspur Perennial herb  
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. hepaticoideum Spreading larkspur Perennial herb  
Delphinium patens ssp. montanum Spreading larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum ssp. variegatum Royal larkspur Perennial herb  
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia elongata Hairgrass Perennial grass 17
Descurainia adenophora White tansy mustard Perennial herb  
Descurainia incana Mountain tansy mustard Perennial herb  
Descurainia obtusa ssp. adenophora White tansy mustard Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 5
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks Perennial herb  
Dichondra occidentalis Western dichondra Perennial herb (rhizomatous) 2
Dieteria asteroides Hoary aster Perennial herb  
Dieteria asteroides var. asteroides Hoary aster Perennial herb  
Dieteria asteroides var. lagunensis Mount laguna aster Perennial herb  
Dieteria canescens Hoary aster Perennial herb 1
Dieteria canescens var. canescens Hoary aster Perennial herb  
Dieteria canescens var. leucanthemifolia Hoary aster Perennial herb  
Digitaria californica Arizona cottontop Perennial grass 2
Digitaria californica var. californica Arizona cottontop Perennial grass  
Diplacus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Distichlis littoralis Shore grass Perennial grass 1
Distichlis spicata Salt grass Perennial grass 25
Ditaxis californica California ditaxis Perennial herb  
Ditaxis lanceolata Lance leaved ditaxis Perennial herb  
Ditaxis serrata var. californica California ditaxis Perennial herb  
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. clevelandii Cleveland's shooting star Perennial herb  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. viscida Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Dudleya abramsii Abrams' dudleya Perennial herb 2
Dudleya abramsii ssp. abramsii Abrams' dudleya Perennial herb 1
Dudleya alainae Banner dudleya Perennial herb 1
Dudleya arizonica Arizona chalk dudleya Perennial herb 1
Dudleya attenuata Tapertip liveforever Perennial herb 4
Dudleya attenuata ssp. attenuata Orcutt's dudleya Perennial herb 2
Dudleya attenuata ssp. orcuttii Orcutt's dudleya Perennial herb 2
Dudleya blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya Perennial herb  
Dudleya blochmaniae ssp. brevifolia Short leaved dudleya Perennial herb  
Dudleya brevifolia Short leaved dudleya Perennial herb  
Dudleya caespitosa Sand lettuce Perennial herb 10
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. pumila Low canyon dudleya Perennial herb 2
Dudleya edulis Fingertips Perennial herb 9
Dudleya lanceolata Southern california dudleya Perennial herb 14
Dudleya multicaulis Many stemmed dudleya Perennial herb  
Dudleya pulverulenta Chalk dudleya Perennial herb 15
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 15
Dudleya saxosa Panamint dudleya Perennial herb 1
Dudleya saxosa ssp. aloides Desert dudleya Perennial herb 1
Dudleya variegata Variegated dudleya Perennial herb  
Dudleya viscida Sticky dudleya Perennial herb 1
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 5
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis acicularis var. occidentalis Needle spike rush Perennial grass  
Eleocharis bella Beautiful spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 19
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis parvula Small spikerush Perennial grass 2
Eleocharis pauciflora Few flowered spike rush Perennial grass  
Eleocharis quinqueflora Fewflower spikerush Perennial grass  
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass 1
Elodea canadensis Common water weed Perennial herb  
Elymus Xgouldii Many flowered wild rye Perennial grass  
Elymus Xhansenii Perennial grass  
Elymus condensatus Giant wild rye Perennial grass 31
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. brevifolius Short leaved squirreltail Perennial grass  
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides var. brevifolius Squirrel tail grass Perennial grass  
Elymus elymoides var. californicus Squirrel tail grass Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 32
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 1
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 1
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus lanceolatus Thickspike wheatgrass Perennial grass 3
Elymus lanceolatus ssp. lanceolatus Northern wheatgrass Perennial grass 4
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus stebbinsii Stebbins' wildrye Perennial grass  
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 2
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 49
Epilobium canum ssp. angustifolium Hummingbird trumpet Perennial herb 21
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium canum ssp. garrettii Garrett's california fuchsia Perennial herb  
Epilobium canum ssp. latifolium California fushia Perennial herb 5
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium hallianum Hall's willowherb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 16
Eriastrum densifolium Giant eriastrum Perennial herb 4
Eriastrum densifolium ssp. austromontanum Southern mountain eriastrum Perennial herb 1
Eriastrum densifolium ssp. densifolium Giant eriastrum Perennial herb 2
Eriastrum densifolium ssp. elongatum Perennial wool star Perennial herb  
Ericameria paniculata Mojave rabbitbrush Perennial herb 1
Erigeron breweri Brewer's fleabane Perennial herb  
Erigeron breweri var. covillei Coville erigeron Perennial herb  
Erigeron filifolius Threadleaf fleabane Perennial herb  
Erigeron filifolius var. filifolius Thread leaved fleabane Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron glaucus Seaside daisy Perennial herb 40
Erigeron lobatus Lobed fleabane Perennial herb 4
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriodictyon parryi Poodle-dog bush Perennial herb 1
Eriodictyon sessilifolium sessile-leaved yerba stanta Perennial Herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 3
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 3
Eriogonum exaltatum Ladder buckwheat Perennial herb  
Eriogonum inflatum Desert trumpet Perennial herb  
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum kennedyi Kennedy's buckwheat Perennial herb 5
Eriogonum kennedyi var. alpigenum Southern alpine buckwheat Perennial herb  
Eriogonum saxatile Rock buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. munzii Munz's buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriogonum wrightii var. membranaceum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. nodosum Wright s buckwheat Perennial herb, Shrub  
Eriogonum wrightii var. wrightii Wright's buckwheat Perennial herb, Shrub 1
Erioneuron pilosum Hairy erioneuron Perennial grass  
Erioneuron pulchellum Fluff grass Perennial grass  
Eriophyllum staechadifolium Lizard tail Perennial herb 17
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium aristulatum var. aristulatum Jepson's button celery Perennial herb  
Eryngium armatum Coyote thistle Perennial herb  
Eryngium jepsonii Perennial herb  
Eryngium pendletonense Pendleton button-celery Perennial herb  
Eryngium pendletonensis Pendleton's eryngo Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Erysimum ammophilum Coast wallflower Perennial herb 1
Erysimum capitatum Wallflower Perennial herb 10
Erysimum capitatum var. angustatum Contra costa wallflower Perennial herb 1
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. lompocense San luis obispo wallflower Perennial herb 1
Erysimum insulare Island wallflower Perennial herb 2
Erysimum insulare ssp. insulare Island wallflower Perennial herb  
Erysimum insulare ssp. suffrutescens Suffrutescent wallflower Perennial herb 5
Erysimum suffrutescens Suffrutescent wallflower Perennial herb 5
Erythranthe cardinalis Cardinal monkey flower Perennial herb 40
Erythranthe moschata Musk monkeyflower Perennial herb 1
Erythranthe nasuta Perennial herb  
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Euphorbia albomarginata Rattlesnake sandmat Perennial herb  
Euphorbia arizonica Arizona spurge Perennial herb  
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia lurida Woodland spurge Perennial herb  
Euphorbia melanadenia Red-gland spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Euphorbia parishii Parish's sandmat Perennial herb  
Euphorbia pediculifera Carrizo mountain sandmat Perennial herb  
Euphorbia polycarpa Smallseed sandmat Perennial herb  
Euphorbia schizoloba Mojave spurge Perennial herb  
Euthamia occidentalis Western goldenrod Perennial herb 15
Extriplex californica California orach Perennial herb 1
Fagonia longipes Long leaf fagonia Perennial herb  
Fagonia pachyacantha Fagonis Perennial herb (stem succulent)  
Festuca brachyphylla Alpine fescue Perennial grass 2
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. parishii Perennial grass  
Festuca californica var. parishii California fescue Perennial grass  
Festuca occidentalis Western fescue Perennial grass 8
Festuca rubra Red fescue Perennial grass 39
Fragaria crinita Beach strawberry Perennial herb 35
Fragaria vesca Wild strawberry Perennial herb 36
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 35
Frankenia palmeri Palmer's frankenia Perennial herb  
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Frasera parryi Coahuila frasera Perennial herb  
Fritillaria biflora Chocolate lily Perennial herb 4
Fritillaria biflora var. biflora Chocolate lily Perennial herb (bulb) 4
Fritillaria roderickii Roderick's fritillary Perennial herb (bulb) 1
Funastrum cynanchoides Fringed twinevine Perennial herb 2
Funastrum cynanchoides var. hartwegii Climbing milkweed Perennial herb 1
Funastrum hirtellum Hairy milkweed Perennial herb, Vine  
Funastrum utahense Utah vine milkweed Perennial herb  
Galium andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. intermedium Phlox leaved bedstraw Perennial herb  
Galium angustifolium Narrow leaved bedstraw Perennial herb 3
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. borregoense Borrego bedstraw Perennial herb  
Galium angustifolium ssp. gracillimum Narrow leaved bedstraw Perennial herb  
Galium angustifolium ssp. jacinticum San jacinto mtns. bedstraw Perennial herb  
Galium angustifolium ssp. nudicaule Naked stem bedstraw Perennial herb  
Galium californicum California bedstraw Perennial herb  
Galium californicum ssp. californicum California bedstraw Perennial herb  
Galium californicum ssp. flaccidum California bedstraw Perennial herb  
Galium catalinense Santa catalina island bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Galium nuttallii ssp. nuttallii Climbing bedstraw Perennial herb  
Galium parishii Parish's bedstraw Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb 1
Gentiana sceptrum King's scepter gentian Perennial herb 2
Geraea viscida Sticky geraea Perennial herb 1
Geranium californicum California geranium Perennial herb 1
Geranium concinnum California mountain geranium Perennial herb 1
Glyceria elata Tall mannagrass Perennial grass 8
Glycyrrhiza lepidota Lichorice Perennial herb 2
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. canescens Everlasting cudweed Perennial herb  
Gnaphalium canescens ssp. microcephalum White everlasting Perennial herb 1
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Gnaphalium leucocephalum White headed cudweed Perennial herb  
Grindelia camporum Gumweed Perennial herb 14
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 13
Grindelia hallii San diego gumplant Perennial herb  
Grindelia hirsutula Gumweed Perennial herb 11
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 13
Grindelia hirsutula var. hallii San diego gumplant Perennial herb  
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 10
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. californica California helianthella Perennial herb  
Helianthella californica var. nevadensis California helianthella Perennial herb 1
Helianthus californicus California sunflower Perennial herb 4
Helianthus gracilentus Slender sunflower Perennial herb 5
Helianthus niveus ssp. tephrodes Algodones dunes sunflower Perennial herb  
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Hesperocallis undulata Desert lily Perennial herb 1
Hesperostipa comata Needle & thread grass Perennial grass 10
Hesperostipa comata ssp. comata Needle & thread grass Perennial grass 1
Heteropogon contortus Tanglehead Perennial grass 2
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Heterotheca sessiliflora ssp. fastigiata Erect goldenaster Perennial herb  
Heterotheca sessiliflora ssp. sessiliflora False goldenaster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb  
Heuchera brevistaminea Mt. laguna alumroot Perennial herb (rhizomatous)  
Heuchera rubescens Pink alumroot Perennial herb 6
Heuchera rubescens var. alpicola Allum root Perennial herb 6
Heuchera rubescens var. glandulosa Pink alumroot Perennial herb 6
Heuchera rubescens var. versicolor San diego county alumroot Perennial herb (rhizomatous) 6
Hibiscus denudatus Rocl hibiscus Perennial herb 1
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hilaria rigida Big galleta Perennial grass 7
Hoffmannseggia glauca Hoffmanseggia Perennial herb  
Hoita macrostachya California hemp Perennial herb 5
Hoita orbicularis Creeping leather root Perennial herb 3
Hooveria parviflora Perennial herb  
Hordeum brachyantherum Meadow barley Perennial grass 24
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Horkelia clevelandii Cleveland's horkelia Perennial herb 2
Horkelia clevelandii var. clevelandii Cleveland's horkelia Perennial herb 1
Horkelia cuneata Wedge leaved horkelia Perennial herb 5
Horkelia cuneata ssp. cuneata Coast horkelia Perennial herb 1
Horkelia cuneata ssp. puberula Coast horkelia Perennial herb  
Horkelia cuneata var. cuneata Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. puberula Mesa horkelia Perennial herb  
Horkelia howellii Howell's horkelia Perennial herb  
Horkelia sericata Howell's horkelia Perennial herb  
Horkelia tridentata Three toothed horkelia Perennial herb  
Horkelia truncata Ramona horkelia Perennial herb  
Horsfordia newberryi Newberry's velvet mallow Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 6
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia crassifolia var. otayensis Otay mountain hosackia Perennial herb 10
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hulsea californica San diego sunflower Perennial herb  
Hulsea heterochroma Red rayed hulsea Perennial herb 1
Hulsea vestita Pumice hulsea Perennial herb  
Hulsea vestita ssp. callicarpha Beautiful hulsea Perennial herb  
Hulsea vestita ssp. parryi Parry's hulsea Perennial herb  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle umbellata Marsh pennywort Perennial herb  
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Hymenopappus filifolius Columbia cutleaf Perennial herb  
Hymenopappus filifolius var. lugens Columbia cutleaf Perennial herb  
Hymenothrix wrightii Wright's thimblehead Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Imperata brevifolia Satintail Perennial grass 2
Ipomopsis tenuifolia Slender leaved ipomopsis Perennial herb 2
Iris hartwegii Hartweg's iris Perennial herb 4
Iris hartwegii ssp. pinetorum Hartweg's yellow pine iris Perennial herb  
Iris missouriensis Western blue flag Perennial herb 25
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Iva hayesiana San diego marsh elder Perennial herb 13
Ivesia saxosa Rock ivesia Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 7
Jepsonia parryi Parry's jepsonia Perennial herb  
Juncus acutus Spiny rush Perennial grass (rhizomatous) 13
Juncus acutus ssp. leopoldii Wire grass Perennial grass (rhizomatous) 2
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus breweri Brewer's rush Perennial grass  
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus cooperi Cooper's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus ssp. austrocalifornicus Common bog rush Perennial grass 1
Juncus effusus ssp. pacificus Pacific rush Perennial grass 6
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus macrandrus Long anthered rush Perennial grass  
Juncus macrophyllus Rush Perennial grass 1
Juncus mexicanus Mexican rush Perennial grass 10
Juncus occidentalis Slender juncus Perennial grass 4
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 47
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus rugulosus Wrinkled rush Perennial grass  
Juncus saximontanus Rocky mountain rush Perennial grass  
Juncus textilis Basket rush Perennial grass 7
Juncus torreyi Torrey's rush Perennial grass 5
Juncus xiphioides Iris leaved rush Perennial grass 16
Kelloggia galioides Kelloggia Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Lathyrus splendens Pride of california Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. alefeldii San diego pea Perennial herb 2
Lathyrus vestitus var. vestitus Hillside pea Perennial herb 2
Lemna aequinoctialis Duckweed Perennial herb  
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna turionifera Turion duckweed Perennial herb  
Lemna valdiviana Duckweed Perennial herb  
Lepidium fremontii Desert pepper grass Perennial herb 4
Lepidium ramosissimum Manybranched pepperweed Perennial herb  
Lepidium ramosissimum var. bourgeauanum Branched pepper grass Perennial herb  
Leptosiphon floribundus Many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Leptosiphon floribundus ssp. hallii Santa rosa mountains leptosiphon Perennial herb  
Leptosiphon nuttallii Nuttall's linanthus Perennial herb 2
Leptosiphon nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb 2
Leptosyne maritima Sea dahlia Perennial herb 6
Lessingia filaginifolia Common california aster Perennial herb 17
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia brachycalyx Short sepaled lewisia Perennial herb 2
Lewisia nevadensis Sierra lewisia Perennial herb 2
Lewisia pygmaea Pigmy bitter root Perennial herb 3
Leymus Xmultiflorus Many flowered wild rye Perennial grass  
Leymus condensatus Giant rye grass Perennial grass 34
Leymus triticoides Alkali rye Perennial grass 30
Lilium humboldtii Humboldt's lily Perennial herb 8
Lilium humboldtii ssp. humboldtii Humboldt's lily Perennial herb (bulb) 1
Lilium humboldtii ssp. ocellatum Humboldt lily Perennial herb (bulb)  
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium parryi Lemon lily Perennial herb (bulb) 6
Limonium californicum Marsh rosemary Perennial herb 11
Linanthus floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. floribundus Many flowered linanthus Perennial herb  
Linanthus floribundus ssp. glaber Smooth many flowered linanthus Perennial herb  
Linanthus floribundus ssp. hallii Santa rosa mtns. linanthus Perennial herb  
Linanthus nuttallii Nuttall's linanthus Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 38
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 1
Linum lewisii var. lewisii Lewis' flax Perennial herb 5
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma cymbalaria Mission star Perennial herb  
Lithophragma glabrum Bulbed woodland star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lobelia cardinalis Cardinalflower Perennial herb 16
Lobelia cardinalis var. pseudosplendens Cardinal flower Perennial herb 16
Lobelia dunnii Dunn's lobelia Perennial herb 11
Lobelia dunnii var. serrata Dunn's lobelia Perennial herb 6
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 4
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dasycarpum ssp. tomentosum Woolly fruited lomatium Perennial herb  
Lomatium insulare San nicolas island lomatium Perennial herb 1
Lomatium lucidum Shiny lomatium Perennial herb  
Lomatium mohavense Mohave wild parsely Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Lotus argyraeus Canyon birdsfoot trefoil Perennial herb  
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus crassifolius var. otayensis Otay mtn. lotus Perennial herb 10
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus haydonii Pygmy lotus Perennial herb  
Lotus heermannii Heermann's lotus Perennial herb 3
Lotus heermannii var. heermannii Heermann's lotus Perennial herb 1
Lotus heermannii var. orbicularis Round leaved heermann's lotus Perennial herb  
Lotus nevadensis Sierra lotus Perennial herb  
Lotus nevadensis var. davidsonii Davidson's sierra nevada lotus Perennial herb  
Lotus nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Lotus oblongifolius Narrow leaved lotus Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus procumbens Silky california broom Perennial herb, Shrub  
Lotus rigidus Desert lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 22
Lotus scoparius var. brevialatus Short winged deerweed Perennial herb  
Lotus scoparius var. scoparius Deerweed Perennial herb  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus adsurgens Drew's silky lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. formosus Western lupine Perennial herb  
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus hyacinthinus Hyacinth lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus latifolius var. parishii Parish's lupine Perennial herb 2
Lupinus peirsonii Peirson's lupine Perennial herb  
Lupinus rivularis Riverbank lupine Perennial herb 8
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Lyrocarpa coulteri Coulter's lyrepod Perennial herb  
Lyrocarpa coulteri var. palmeri Coulter's lyrepod Perennial herb  
Lythrum californicum Common loosestrife Perennial herb  
Machaeranthera asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. asteroides Hoary aster Perennial herb  
Machaeranthera asteroides var. lagunensis Laguna mtns. aster Perennial herb  
Machaeranthera canescens Hoary aster Perennial herb 1
Machaeranthera canescens var. canescens Hoary aster Perennial herb  
Machaeranthera canescens var. leucanthemifolia Hoary aster Perennial herb  
Machaeranthera juncea Rush like bristleweed Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Malacothrix saxatilis Cliff aster Perennial herb 6
Malacothrix saxatilis var. tenuifolia Short leaved cliff aster Perennial herb 1
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 6
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 4
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 4
Marah macrocarpa Chilicothe Perennial herb, Vine 5
Marah macrocarpus Southern wild cucumber Perennial herb, Vine 5
Marah macrocarpus var. macrocarpus Southern wild cucumber Perennial herb, Vine 1
Marah macrocarpus var. major Southern wild cucumber Perennial herb, Vine 1
Marina parryi Parry dalea Perennial herb 1
Matelea parvifolia Spearleaf Perennial herb  
Melica californica California melic Perennial grass 25
Melica frutescens Tall melica Perennial grass 1
Melica imperfecta Coast range melic Perennial grass 20
Melica stricta Nodding melica Perennial grass  
Melica torreyana Torrey's melica Perennial grass 11
Menodora scabra var. glabrescens Broom tvinberry Perennial herb 2
Menodora scoparia Broom tvinberry Perennial herb 2
Mentha arvensis American wild mint Perennial herb 6
Mentha canadensis Wild mint Perennial herb 6
Mentzelia ravenii Grass blazingstar Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Mimulus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mirabilis albida Dwarf four o'clock Perennial herb 1
Mirabilis bigelovii Bigelow's desert four o'clock Perennial herb 3
Mirabilis bigelovii var. bigelovii Pale stemmed four o clock Perennial herb 1
Mirabilis bigelovii var. retrorsa Wishbone Perennial herb  
Mirabilis californica Wishbone bush Perennial herb 12
Mirabilis laevis Desert wishbone bush Perennial herb 3
Mirabilis laevis var. crassifolia California four o'clock Perennial herb 12
Mirabilis laevis var. laevis Desert wishbone bush Perennial herb  
Mirabilis laevis var. retrorsa Wishbone bush Perennial herb  
Mirabilis laevis var. villosa Wishbone bush Perennial herb 3
Mirabilis multiflora Giant four o'clock Perennial herb 8
Mirabilis multiflora var. pubescens Desert four o'clock Perennial herb  
Mirabilis pumila Little umbrella wort Perennial herb  
Mirabilis tenuiloba Slender lobed four o'clock Perennial herb  
Moehringia macrophylla Large leaved sandwort Perennial herb  
Monanthochloe littoralis Salt cedar Perennial grass 1
Monardella hypoleuca White leaf monardella Perennial herb  
Monardella hypoleuca ssp. hypoleuca White leaf monardella Perennial herb  
Monardella hypoleuca ssp. intermedia White leaf monardella Perennial herb  
Monardella hypoleuca ssp. lanata Felt leaved monardella Perennial herb (rhizomatous)  
Monardella linoides Narrow leaved monardella Perennial herb 7
Monardella linoides ssp. anemonoides Narrow leaved monardella Perennial herb 1
Monardella linoides ssp. linoides Flax like monardella Perennial herb 1
Monardella linoides ssp. viminea Willowy monardella Perennial herb 8
Monardella macrantha Hummingbird monardella Perennial herb 12
Monardella macrantha ssp. hallii Hall's monardella Perennial herb (rhizomatous)  
Monardella macrantha ssp. macrantha Hummingbird monardella Perennial herb  
Monardella nana Little monardella Perennial herb 2
Monardella nana ssp. arida Desert monardella Perennial herb 1
Monardella nana ssp. leptosiphon San felipe monardella Perennial herb (rhizomatous) 1
Monardella nana ssp. nana Little monardella Perennial herb  
Monardella nana ssp. tenuiflora Short flowered monardella Perennial herb  
Monardella stoneana Jennifer's monardella Perennial herb  
Monardella villosa Coyote mint Perennial herb 28
Monardella viminea Willowy monardella Perennial herb 8
Montia chamissoi Spring beauty Perennial herb  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia glauca Desert muhly Perennial grass  
Muhlenbergia porteri Porter's muhly Perennial grass 2
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muhlenbergia rigens Deergrass Perennial grass 62
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla coronata Crowned muilla Perennial herb (bulb)  
Muilla maritima Common muilla Perennial herb 1
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Myriopteris wootonii Wooton's lace fern Perennial herb  
Nassella cernua Nodding needlegrass Perennial grass 24
Nassella lepida Small flowered stipa Perennial grass 25
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nicotiana obtusifolia Desert tobacco Perennial herb 1
Nitrophila occidentalis Western nitrophila Perennial herb  
Nolina bigelovii Bigelow's nolina Perennial herb 3
Nolina interrata Dehesa nolina Perennial herb 1
Nolina parryi Parry's nolina Perennial herb 7
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenanthe sarmentosa Water parsley Perennial herb 9
Oenothera californica California evening primrose Perennial herb 6
Oenothera californica ssp. avita California evening primrose Perennial herb  
Oenothera californica ssp. californica California evening primrose Perennial herb  
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 18
Oenothera suffrutescens Wild honeysuckle, linda tarde Perennial herb  
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 20
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. feudgei California broomrape Perennial herb (parasitic)  
Orobanche cooperi Burroweed strangler Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche parishii Parish's broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. brachyloba Short lobed broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza brachypoda California sweet cicely Perennial herb  
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Oxalis albicans Hairywood sorrell Perennial herb  
Oxalis albicans ssp. californica Californica wood sorrel Perennial herb  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis californica Californica wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Packera cana Woolly groundsel Perennial herb  
Packera ganderi Gander's ragwort Perennial herb  
Paeonia brownii Peony Perennial herb 1
Paeonia californica California peony Perennial herb 1
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Panicum urvilleanum Desert panicgrass Perennial grass  
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis semibarbata Pine woods lousewort Perennial herb  
Pediomelum californicum Indian breadroot Perennial herb  
Penstemon Xparishii Hybrid beardtongue Perennial herb  
Penstemon centranthifolius Scarlet bugler Perennial herb 17
Penstemon clevelandii Cleveland's beardtongue Perennial herb 5
Penstemon clevelandii var. clevelandii Cleveland's beardtongue Perennial herb 1
Penstemon clevelandii var. connatus San jacinto beardtongue Perennial herb 1
Penstemon eatonii Eaton firecracker Perennial herb 28
Penstemon heterophyllus Foothill penstemon Perennial herb 40
Penstemon heterophyllus var. australis Southern foothill penstemon Perennial herb  
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon labrosus San gabriel beardtongue Perennial herb 2
Penstemon rostriflorus Bridge's penstemon Perennial herb 8
Penstemon speciosus Showy penstemon Perennial herb 13
Penstemon spectabilis Showy penstemon Perennial herb 24
Penstemon spectabilis var. spectabilis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosus Showy penstemon Perennial herb  
Penstemon stephensii Stephens's beardtongue Perennial herb  
Penstemon thurberi Thurber's beardtongue Perennial herb 1
Pentachaeta aurea ssp. aurea Golden chaetopappa Perennial herb  
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner's yampah Perennial herb  
Perideridia oregana Oregon yampah Perennial herb 1
Perideridia parishii Parish's yampah Perennial herb  
Perideridia parishii ssp. latifolia Parish's yampah Perennial herb  
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Petalonyx thurberi Sandpaper plant Perennial herb 2
Petalonyx thurberi ssp. thurberi Thurber's sandpaper plant Perennial herb  
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia egena Rock phacelia Perennial herb 3
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia imbricata ssp. patula Imbricate phacelia Perennial herb  
Phacelia imbricata var. patula Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia oreopola ssp. oreopola San gabriel mtns. imbricate phacelia Perennial herb  
Phacelia perityloides Panamint phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 3
Phacelia ramosissima var. austrolitoralis South coast branching phacelia Perennial herb 3
Phacelia ramosissima var. latifolia Branching phacelia Perennial herb 3
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb  
Phacelia ramosissima var. subglabra Branching phacelia Perennial herb 3
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phlox austromontana Southern mountain phlox Perennial herb  
Pholisma arenarium Dune food Perennial herb (parasitic)  
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phragmites australis Common reed Perennial grass 1
Phragmites australis ssp. americanus Perennial grass  
Phragmites australis ssp. berlandieri Perennial grass  
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyllospadix scouleri Scouler's surfgrass Perennial herb  
Phyllospadix torreyi Surf grass Perennial herb  
Physalis hederifolia Ivy leafed tomatillo Perennial herb  
Physalis hederifolia var. fendleri Fendler's ivy leaf tomatillo Perennial herb  
Physalis hederifolia var. palmeri Palmer's ground cherry Perennial herb  
Pilostyles thurberi Thurber's pilostyles Perennial herb (parasitic)  
Piperia colemanii Coleman's piperia Perennial herb  
Piperia cooperi Coopers rein orchid Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elegans ssp. elegans Elegant piperia Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Platanthera dilatata Scentbottle Perennial herb  
Platanthera dilatata var. leucostachys Sierra bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Platanthera sparsiflora Bog orchid Perennial herb  
Pleuraphis rigida Galletta grass Perennial grass 7
Poa ampla Western blue grass Perennial grass 15
Poa atropurpurea San bernardino blue grass Perennial grass (rhizomatous) 1
Poa fendleriana Muttongrass Perennial grass 4
Poa juncifolia Western blue grass Perennial grass 14
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. juncifolia Rush blue grass Perennial grass 14
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Polygala cornuta Sierra milkwort Perennial herb  
Polygala cornuta var. cornuta Sierra milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Porophyllum gracile Odora Perennial herb  
Potamogeton berchtoldii Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Potentilla anserina Silver weed cinquefoil Perennial herb 16
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla biennis Biennial cinquefoil Perennial herb 1
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla gracilis Northwest cinquefoil Perennial herb 15
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. clevelandii Cleveland's shooting star Perennial herb  
Proboscidea althaeifolia Desert devil's claw Perennial herb  
Prunella vulgaris Self heal Perennial herb 19
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium biolettii Two-color rabbit-tobacco Perennial herb 4
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium leucocephalum White cudweed Perennial herb  
Pseudognaphalium microcephalum Wright's cudweed Perennial herb 3
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 4
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pterospora andromedea Pine drops Perennial herb (parasitic)  
Pycnanthemum californicum California mint Perennial herb 4
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma uniflora Single headed pyrrocoma Perennial herb  
Pyrrocoma uniflora var. gossypina Bear valley pyrrocoma Perennial herb  
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 11
Ranunculus californicus var. californicus Common buttercup Perennial herb 2
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus canus var. ludovicianus Hartweg's buttercup Perennial herb  
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Romneya coulteri Coulter's matilija poppy Perennial herb (rhizomatous) 44
Romneya trichocalyx Hairy matilija poppy Perennial herb 1
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex hymenosepalus Wild rhubarb Perennial herb  
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex triangulivalvis Willow dock Perennial herb  
Rumex utahensis Toothed willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Rupertia rigida Parish's rupertia Perennial herb  
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Salicornia pacifica Pickleweed Perennial herb 8
Salicornia subterminalis Parish's glasswort Perennial herb 4
Salvia Xpalmeri Perennial herb  
Salvia sonomensis Sonoma sage Perennial herb 19
Salvia spathacea Hummingbird sage Perennial herb 37
Samolus parviflorus Water pimpernel Perennial herb  
Sanicula arguta Sharp toothed snakeroot Perennial herb 2
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula hoffmannii Hoffmann's sanicle Perennial herb  
Sanicula laciniata Coast sanicle Perennial herb  
Sanicula tuberosa Turkey pea Perennial herb  
Sarcostemma cynanchoides ssp. hartwegii Climbing milkweed Perennial herb, Vine 1
Sarcostemma hirtellum Rambling milkweed Perennial herb, Vine  
Satureja chandleri San miguel savory Perennial herb 6
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 25
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 14
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Schoenoplectus pungens var. longispicatus Common threesquare Perennial grass 2
Schoenoplectus tabernaemontani Softstem bulrush Perennial grass 12
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 14
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus microcarpus Small fruited bulrush Perennial grass 20
Scirpus pendulus Drooping bulrush Perennial grass  
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
Scopulophila rixfordii Rixford's rock wort Perennial herb  
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria bolanderi Bolander's skullcap Perennial herb  
Scutellaria bolanderi ssp. austromontana Southern skullcap Perennial herb (rhizomatous)  
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum spathulifolium Pacific stonecrop Perennial herb 28
Senecio astephanus San gabriel ragwort Perennial herb  
Senecio canus Woolly ragwort Perennial herb  
Senecio ganderi Gander's ragwort Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia mountain butterweed Perennial herb  
Senna covesii Coves's cassia Perennial herb 5
Sesuvium verrucosum Western sea purslane Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea malviflora Wild hollyhock Perennial herb 20
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. malviflora Checker mallow Perennial herb (rhizomatous) 1
Sidalcea malviflora ssp. sparsifolia Few leafed checkerbloom Perennial herb (rhizomatous)  
Sidalcea neomexicana Mountain sidalcea Perennial herb 2
Sidalcea sparsifolia Southern checkerbloom Perennial herb (rhizomatous)  
Silene laciniata Cardinal catchfly Perennial herb 6
Silene laciniata ssp. laciniata Cardinal catchfly Perennial herb 2
Silene laciniata ssp. major Indian pink Perennial herb 2
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene parishii Parish's campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Solanum douglasii Douglas' nightshade Perennial herb 4
Solanum xanti Nightshade Perennial herb, Shrub 13
Solidago californica Oreja de liebre Perennial herb 27
Solidago confinis Southern goldenrod Perennial herb 4
Solidago sparsiflora Great basin goldenrod Perennial herb 4
Solidago velutina Threenerve goldenrod Perennial herb 8
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
Solidago velutina ssp. sparsiflora Great basin goldenrod Perennial herb 2
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Sparganium eurycarpum var. greenei Bur reed Perennial herb 2
Spartina foliosa Pacific cordgrass Perennial grass  
Spartina gracilis Alkali cord grass Perennial grass (rhizomatous)  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Sphaeralcea ambigua Desert mallow Perennial herb 29
Sphaeralcea ambigua var. ambigua Apricot mallow Perennial herb 2
Sphaeralcea ambigua var. rosacea Rosy apricot mallow Perennial herb  
Sphaeralcea ambigua var. rugosa Desert globemallow Perennial herb  
Sphaeralcea emoryi Emory's globemallow Perennial herb 1
Sphaeralcea emoryi var. emoryi Emory's desert mallow Perennial herb 1
Sphaeromeria cana Tansy Perennial herb  
Sphenopholis obtusata Prairie wedge grass Perennial grass  
Sphenosciadium capitellatum Grayswamp whiteheads Perennial herb 2
Spiranthes porrifolia Western ladies tresses Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus airoides var. wrightii Alkali sacaton Perennial grass 7
Sporobolus contractus Spike dropseed Perennial grass 1
Sporobolus cryptandrus Sand dropseed Perennial grass 11
Sporobolus flexuosus Mesa dropseed Perennial grass  
Sporobolus wrightii Big sacaton Perennial grass 7
Stachys ajugoides Hedge nettle Perennial herb 7
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 7
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys bergii Berg's hedgenettle Perennial herb 1
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb 1
Stachys pycnantha Short spike hedge nettle Perennial herb 3
Stachys rigida Rough hedgenettle Perennial herb 4
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb 1
Stachys rigida var. rigida Rough hedgenettle Perennial herb 1
Stachys stebbinsii Stebbins' hedgenettle Perennial herb  
Stanleya pinnata Prince's plume Perennial herb, Shrub 7
Stanleya pinnata var. inyoensis Inyo prince's plume Perennial herb, Shrub 2
Stanleya pinnata var. pinnata Prince's plume Perennial herb, Shrub 2
Stemodia durantifolia White woolly stemodia Perennial herb  
Stephanomeria cichoriacea Fort tejon milk aster Perennial herb  
Stephanomeria pauciflora Wire lettuce Perennial herb 1
Stephanomeria pauciflora var. pauciflora Wire lettuce Perennial herb 1
Stillingia linearifolia Narrow leaved stillingia Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa comata Needle-and-thread Perennial grass 10
Stipa comata var. comata Needle & thread grass Perennial grass 1
Stipa coronata Crested needle grass Perennial grass 7
Stipa diegoensis San diego county needle grass Perennial grass  
Stipa divaricata Small-flowered rice grass Perennial grass  
Stipa hymenoides Indian rice grass Perennial grass 15
Stipa lemmonii Lemmon's needle grass Perennial grass 2
Stipa lemmonii var. lemmonii Lemmon's needle grass Perennial grass  
Stipa lepida Foothill needle grass Perennial grass 24
Stipa lettermanii Letterman's needle grass Perennial grass 1
Stipa nelsonii Mountain needle grass Perennial grass  
Stipa nelsonii var. dorei Mountain needle grass Perennial grass 4
Stipa occidentalis Western needlegrass Perennial grass 1
Stipa occidentalis var. californica California needle grass Perennial grass  
Stipa occidentalis var. occidentalis Western needle grass Perennial grass  
Stipa occidentalis var. pubescens Common western needle grass Perennial grass  
Stipa parishii Parish's needlegrass Perennial grass  
Stipa parishii var. parishii Parish's needlegrass Perennial grass  
Stipa pulchra Purple needle grass Perennial grass 42
Stipa speciosa Desert needle grass Perennial grass 8
Streptanthus bernardinus Laguna mtns. jewel flower Perennial herb  
Streptanthus campestris Southern jewel flower Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda esteroa Estuary seablite Perennial herb 1
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra Bush seepweed Perennial herb 3
Swallenia alexandrae Eureka valley dune grass Perennial grass (rhizomatous)  
Swertia parryi Parry's green gentian Perennial herb  
Symphyotrichum ascendens Western aster Perennial herb 1
Symphyotrichum chilense Pacific aster Perennial herb 35
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 14
Symphyotrichum defoliatum San bernardino aster Perennial herb (rhizomatous)  
Symphyotrichum lanceolatum White panicle aster Perennial herb  
Symphyotrichum lanceolatum var. hesperium Western lance leaf aster Perennial herb  
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Tauschia arguta Southern tauschia Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tauschia parishii Parish's tauschia Perennial herb  
Thalictrum fendleri Fendler's meadow rue Perennial herb 11
Thalictrum fendleri var. fendleri Fendler's meadow rue Perennial herb  
Thalictrum fendleri var. polycarpum Torrey's meadow rue Perennial herb 13
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 13
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis gracilis Slender goldenbanner Perennial herb (rhizomatous) 1
Thermopsis gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous) 1
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous) 1
Thymophylla pentachaeta Fiveneedle pricklyleaf Perennial herb 3
Thymophylla pentachaeta var. belenidium Five needled thymophylla Perennial herb 1
Tidestromia oblongifolia Honey sweet Perennial herb  
Tiquilia canescens Woody crinklemat Perennial herb, Shrub  
Tiquilia canescens var. canescens Gray coldenia Perennial herb, Shrub  
Tiquilia palmeri Palmer's coldenia Perennial herb  
Tiquilia plicata Plicate coldenia Perennial herb  
Toxicoscordion brevibracteatum Desert death camas Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Tridens muticus Slim tridens Perennial grass  
Trifolium macrocephalum Big headed clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 8
Triglochin concinna Arrow grass Perennial herb (aquatic)  
Triglochin concinna var. concinna Arrow grass Perennial herb (aquatic)  
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 5
Trisetum spicatum Narrow oatgrass Perennial grass  
Turricula parryi Poodle dog bush Perennial herb 1
Turritis glabra Tower rockcress Perennial herb  
Typha domingensis Cattail Perennial herb 5
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 11
Urtica dioica ssp. gracilis Nettle Perennial herb  
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Venegasia carpesioides Canyon sunflower Perennial herb 10
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Veratrum fimbriatum Fringed cornlily Perennial herb 1
Verbena lasiostachys Western vervain Perennial herb 16
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Verbena scabra Rough vervain Perennial herb  
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Vicia americana American vetch Perennial herb, Vine 4
Vicia americana ssp. americana American vetch Perennial herb, Vine  
Vicia americana var. americana Vetch Perennial herb, Vine  
Viola adunca Western dog violet Perennial herb 18
Viola adunca ssp. adunca Western dog violet Perennial herb 1
Viola adunca var. adunca Western bog violet Perennial herb 1
Viola adunca var. kirkii Yosemite dog violet Perennial herb 1
Viola aurea Golden violet Perennial herb  
Viola douglasii Douglas' violet Perennial herb 2
Viola lobata Moose horn violet Perennial herb  
Viola lobata ssp. integrifolia Delta leafed forest violet Perennial herb  
Viola lobata ssp. lobata Moose horn violet Perennial herb  
Viola nephrophylla Leconte violet Perennial herb  
Viola pedunculata California golden violet Perennial herb 1
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb 1
Viola pedunculata ssp. tenuifolia Johnny jump up Perennial herb 1
Viola pinetorum Pine violet Perennial herb 2
Viola pinetorum ssp. pinetorum Pine violet Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. aurea Golden violet Perennial herb  
Viola purpurea ssp. mesophyta Goosefoot violet Perennial herb  
Viola purpurea ssp. mohavensis Mojave goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Wolffia arrhiza Water meal Perennial herb  
Wolffia borealis Northern water meal Perennial herb  
Wolffia columbiana Columbia water meal Perennial herb  
Wolffia globosa Water meal Perennial herb  
Wyethia ovata Southern wyethia Perennial herb  
Xanthisma junceum Rush like bristleweed Perennial herb  
Xylorhiza orcuttii Orcutt's woody aster Perennial herb 1
Xylorhiza tortifolia Mojave woodyaster Perennial herb 4
Xylorhiza tortifolia var. tortifolia Desert aster Perennial herb  
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus brevibracteatus Desert death camas Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
Zostera marina Eel grass Perennial herb  
  Lifeform: Fern67 plants
Adiantum capillus-veneris Venus hair Fern 14
Adiantum jordanii Adiantum Fern 4
Aspidotis californica California lace fern Fern 1
Aspidotis densa Lace fern Fern 1
Asplenium vespertinum Western spleenwort Fern  
Azolla filiculoides Mosquito fern Fern  
Cheilanthes clevelandii Cleveland's lipfern Fern  
Cheilanthes covillei Coville's lip fern Fern 4
Cheilanthes feei Slender lipfern Fern  
Cheilanthes intertexta Coastal lipfern Fern  
Cheilanthes newberryi Newberry's lipfern Fern  
Cheilanthes parryi Parry cloak fern Fern  
Cheilanthes viscida Viscid lip fern Fern  
Cheilanthes wootonii Wooton's lace fern Fern (rhizomatous)  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Equisetum Xferrissii Ferris' horsetail Fern  
Equisetum arvense Common horsetail Fern 6
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 7
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 2
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes howellii Quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Isoetes orcuttii Orcutt's quillwort Fern (aquatic)  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris clevelandii Cleveland's lip fern Fern  
Myriopteris covillei Coville's lip fern Fern 4
Myriopteris gracilis Slender lip fern Fern  
Myriopteris intertexta Coastal lip fern Fern  
Myriopteris newberryi Newberry's lip fern Fern  
Myriopteris parryi Parry's lip fern Fern  
Myriopteris viscida Viscid lace fern Fern  
Notholaena californica California cloak fern Fern  
Notholaena californica ssp. californica California cloak fern Fern  
Ophioglossum californicum California adder's tongue Fern (rhizomatous)  
Pellaea andromedifolia Coffee fern Fern 3
Pellaea andromedifolia var. pubescens Coffee fern Fern 3
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pellaea truncata Cliff brake Fern (rhizomatous)  
Pentagramma glanduloviscida Fern  
Pentagramma maxonii Maxon's gold back fern Fern  
Pentagramma rebmanii Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. maxonii Maxon's gold back fern Fern  
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Pentagramma triangularis ssp. viscosa Sticky gold back fern Fern  
Pentagramma viscosa Sticky gold back fern Fern  
Pilularia americana Pillwort Fern  
Polypodium californicum California polypody Fern 12
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum munitum Western sword fern Fern 43
Pteridium aquilinum Western brackenfern Fern 5
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella asprella Bluish spike moss Fern (rhizomatous)  
Selaginella bigelovii Bigelow's moss fern Fern (mosslike) 2
Selaginella cinerascens Ashy spike moss Fern (rhizomatous)  
Selaginella eremophila Desert spike moss Fern (rhizomatous)  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub621 plants
Acacia greggii Cats claw acacia Shrub 7
Acalypha californica California acalypha Shrub 3
Acamptopappus sphaerocephalus Goldenhead Shrub 3
Acamptopappus sphaerocephalus var. sphaerocephalus Goldenhead Shrub  
Acmispon dendroideus Island broom Shrub  
Acmispon dendroideus var. veatchii San miguel island deerweed Shrub  
Adenostoma fasciculatum Chamise Tree, Shrub 15
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
Adenostoma fasciculatum var. obtusifolium San diego chamise Tree, Shrub  
Adolphia californica California adolphia Shrub 2
Agave shawii Shaw's agave Shrub 11
Agave shawii var. shawii Shaw's agave Shrub 2
Allenrolfea occidentalis Iodine bush Shrub  
Alnus incana Gray alder Tree, Shrub 6
Alnus incana ssp. tenuifolia Creek alder Tree, Shrub 9
Ambrosia chenopodiifolia San diego bur sage Shrub 1
Ambrosia dumosa Burro weed Shrub 8
Ambrosia monogyra Singlewhorl burrobrush Shrub  
Ambrosia salsola Burrobrush Shrub 6
Ambrosia salsola var. pentalepis Five scaled burrobrush Shrub  
Ambrosia salsola var. salsola Burrobrush Shrub  
Amelanchier alnifolia Service berry Shrub 31
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amorpha californica False indigo Shrub 3
Amorpha fruticosa Western false indigo Shrub 9
Arctostaphylos glandulosa Eastwood manzanita Shrub 6
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. adamsii Adams' manzanita Shrub  
Arctostaphylos glandulosa ssp. crassifolia Del mar manzanita Shrub 2
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 3
Arctostaphylos glandulosa ssp. glaucomollis San gabriel mts. manzanita Shrub 1
Arctostaphylos glandulosa ssp. leucophylla Eastwood manzanita Shrub  
Arctostaphylos glandulosa ssp. mollis Transverse range manzanita Shrub 1
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 3
Arctostaphylos glauca Big berry manzanita Tree, Shrub 10
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1
Arctostaphylos otayensis Otay manzanita Shrub 1
Arctostaphylos parryana Parry manzanita Shrub 1
Arctostaphylos parryana ssp. desertica Desert manzanita Shrub  
Arctostaphylos parryana ssp. deserticum Parry manzanita Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Arctostaphylos peninsularis ssp. peninsularis Peninsular manzanita Shrub  
Arctostaphylos pringlei Pringle manzanita Shrub 2
Arctostaphylos pringlei ssp. drupacea Pink bracted manzanita Shrub 2
Arctostaphylos pumila Sandmat manzanita Shrub 7
Arctostaphylos pungens Mexican manzanita Tree, Shrub 4
Arctostaphylos rainbowensis Rainbow manzanita Shrub 3
Arctostaphylos tomentosa Woolly leaf manzanita Shrub 7
Artemisia californica Coastal sage brush Shrub 43
Artemisia palmeri San diego sagewort Shrub 10
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. parishii Parish's sagebrush Shrub 1
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Asclepias albicans White stemmed milkweed Shrub 2
Astragalus pachypus var. jaegeri Jaeger's milk vetch Shrub  
Atriplex canescens Hoary saltbush Shrub 22
Atriplex canescens ssp. canescens Shadscale Shrub 1
Atriplex canescens ssp. linearis Narrow leaved wingscale Shrub  
Atriplex canescens var. canescens Fourwing saltbush Shrub 1
Atriplex canescens var. laciniata Caleb saltbush Shrub  
Atriplex canescens var. linearis Slenderleaf saltbush Shrub 1
Atriplex canescens var. macilenta Salton saltbush Shrub  
Atriplex hymenelytra Desert holly Shrub 2
Atriplex lentiformis Big saltbush Shrub 34
Atriplex lentiformis ssp. breweri Quailbush Shrub 13
Atriplex lentiformis ssp. lentiformis Brewer's saltbrush Shrub 3
Atriplex parryi Parry's saltbush Shrub  
Atriplex polycarpa Cattle spinach Shrub 10
Baccharis brachyphylla Short leaved baccharis Shrub  
Baccharis emoryi Emory's baccharis Shrub 7
Baccharis malibuensis Malibu baccharis Shrub  
Baccharis pilularis Coyote brush Shrub 57
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49
Baccharis pilularis ssp. pilularis Coyote brush Shrub 5
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Baccharis salicina Willow baccharis Shrub 7
Baccharis sarothroides Broom baccharis Shrub 9
Baccharis sergiloides Desert baccharis Shrub 1
Baccharis vanessae Encinitas baccharis Shrub  
Bahiopsis laciniata San Diego County viguiera Shrub 8
Bahiopsis parishii Parish viguiera Shrub 6
Batis maritima Saltwort Shrub  
Bebbia juncea Sweetbush Shrub 4
Bebbia juncea var. aspera Rough sweetbush Shrub  
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. aquifolium Oregon grape Shrub 36
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis fremontii Fremont barberry Shrub 4
Berberis haematocarpa Red fruited mahonia Shrub 3
Berberis higginsiae Fremont's mahonia Shrub  
Berberis nevinii Nevin's barberry Shrub 15
Berberis pinnata Shiny leaf mahonia Shrub 8
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Bergerocactus emoryi Golden spined cereus Shrub (stem succulent) 2
Bernardia incana Western bernardia Shrub  
Bernardia myricifolia Western bernardia Shrub  
Betula occidentalis Water birch Tree, Shrub 22
Brickellia arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. odontolepis California spear leaved brickellia Shrub  
Brickellia atractyloides Spear leaved brickellia Shrub (stem succulent) 1
Brickellia atractyloides var. arguta California spear leaved brickellia Shrub 1
Brickellia atractyloides var. odontolepis California spear leaved brickellia Shrub  
Brickellia desertorum Desert brickellia Shrub  
Brickellia frutescens Shrubby brickellia Shrub  
Brickellia knappiana Knapp's brickellia Shrub  
Caesalpinia virgata Narrow hoffmannseggia Shrub  
Calliandra eriophylla Fairyduster Shrub 18
Calycanthus occidentalis Spicebush Shrub 41
Carlowrightia arizonica Arizona carlowrightia Shrub  
Carpenteria californica Tree anemone Shrub 41
Ceanothus Xotayensis Shrub  
Ceanothus arboreus Island ceanothus Shrub 12
Ceanothus cordulatus Snow bush Shrub 7
Ceanothus crassifolius Hoary leaved ceanothus Shrub 6
Ceanothus crassifolius var. crassifolius Hoary leaved ceanothus Shrub 1
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3
Ceanothus cyaneus Lakeside ceanothus Shrub 4
Ceanothus foliosus Wavy leaved ceanothus Shrub 6
Ceanothus foliosus var. foliosus Wavy leaved ceanothus Shrub  
Ceanothus foliosus var. medius La cuesta ceanothus Shrub  
Ceanothus foliosus var. viejasensis Viejas Mountain ceanothus Shrub  
Ceanothus gloriosus Glory mat Shrub 28
Ceanothus greggii Desert ceanothus Shrub 3
Ceanothus greggii var. perplexans Cupped leaf ceanothus Shrub  
Ceanothus greggii var. vestitus California lilac Shrub  
Ceanothus impressus Santa barbara ceanothus Shrub 40
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus leucodermis Chaparral whitethorn Shrub 8
Ceanothus megacarpus Big pod ceanothus Shrub 9
Ceanothus megacarpus var. megacarpus Big pod ceanothus Shrub 1
Ceanothus megacarpus var. pendulus Drooping big pod ceanothus Shrub 1
Ceanothus oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. orcuttii San diego hairy ceanothus Shrub 3
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus otayensis Otay mountain ceanothus Shrub  
Ceanothus palmeri Palmer's ceanothus Shrub 1
Ceanothus pauciflorus Mojave ceanothus Shrub  
Ceanothus pendletonensis Pendleton ceanothus Shrub  
Ceanothus perplexans Cupped leaf ceanothus Shrub  
Ceanothus spinosus Greenbark ceanothus Tree, Shrub 11
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 42
Ceanothus tomentosus Woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. olivaceus Southern woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. tomentosus Woolly leaf ceanothus Shrub 6
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 11
Ceanothus verrucosus White coast ceanothus Shrub 8
Ceanothus vestitus Mojave ceanothus Shrub  
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus minutiflorus Smooth mountain mahogany Shrub 5
Chamaebatia australis Southern mountain misery Shrub  
Chamaebatia foliolosa Sierran mountain misery Shrub  
Chilopsis linearis Desert willow Shrub 39
Chilopsis linearis ssp. arcuata Desert willow Shrub 2
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. bernardinus San bernardino rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus teretifolius Terete leaved rubberbrush Shrub  
Chrysothamnus viscidiflorus Green rabbitbrush Shrub 5
Chrysothamnus viscidiflorus ssp. puberulus Sticky leaved rabbitbrush Shrub  
Cneoridium dumosum Bushrue Shrub 6
Coleogyne ramosissima Black brush Shrub 3
Colubrina californica Las animas colubrina Shrub  
Comarostaphylis diversifolia Summer holly Shrub 10
Comarostaphylis diversifolia ssp. diversifolia California comarostaphylis Shrub 1
Comarostaphylis diversifolia ssp. planifolia Flat leaf summer holly Shrub  
Condalia globosa Bitter snakewood Shrub 1
Condalia globosa var. pubescens Spiny abrojo Shrub  
Condea emoryi Desert lavender Shrub 10
Coreopsis gigantea Giant coreopsis Shrub 22
Cornus glabrata Brown dogwood Tree, Shrub 10
Cornus nuttallii Mountain dogwood Shrub 25
Cornus sericea American dogwood Shrub 43
Cornus sericea ssp. occidentalis Western dogwood Shrub 9
Cornus sericea ssp. sericea Red osier dogwood Shrub 33
Crocanthemum aldersonii Alderson's rush-rose Shrub 12
Crocanthemum scoparium Bisbee Peak Rushrose Shrub 13
Crocanthemum scoparium var. scoparium Peak Rushrose Shrub 12
Crocanthemum scoparium var. vulgare Peak Rushrose Shrub 12
Crossosoma bigelovii Bigelow's ragged rock flower Shrub 1
Cylindropuntia Xfosbergii Hoffmann's teddybear cholla Shrub (stem succulent) 1
Cylindropuntia acanthocarpa var. coloradensis Colorado buckhorn cholla Shrub (stem succulent) 1
Cylindropuntia bigelovii Teddybear cholla Shrub (stem succulent) 2
Cylindropuntia bigelovii var. bigelovii Teddybear cholla Shrub (stem succulent)  
Cylindropuntia echinocarpa Silver cholla Shrub (stem succulent) 2
Cylindropuntia prolifera Coastal cholla Shrub (stem succulent) 6
Cylindropuntia ramosissima Branched pencil cholla Shrub (stem succulent)  
Cylindropuntia wolfii Wolf's opuntia Shrub (stem succulent)  
Dendromecon harfordii Channel Island tree poppy Shrub 16
Dendromecon harfordii var. harfordii Channel island tree poppy Shrub 16
Dendromecon rigida Bush poppy Shrub 14
Diplacus aridus Low bush monkeyflower Shrub  
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Diplacus australis Southern monkeyflower Shrub  
Diplacus linearis Chaparral bush monkeyflower Shrub  
Diplacus longiflorus southern bush monkeyflower Shrub 13
Diplacus puniceus Sticky monkeyflower Shrub 23
Echinocactus polycephalus Cottontop cactus Shrub (stem succulent)  
Echinocactus polycephalus var. polycephalus Cottontop Shrub (stem succulent)  
Echinocereus engelmannii Calico cactus Shrub (stem succulent) 2
Echinocereus engelmannii var. engelmannii Engelmann's hedgehog cactus Shrub (stem succulent)  
Echinocereus mojavensis Mojave kingcup cactus Shrub (stem succulent) 3
Echinocereus triglochidiatus Mohave mound cactus Shrub (stem succulent) 3
Encelia actoni Acton encelia Shrub 2
Encelia californica Bush sunflower Shrub 31
Encelia farinosa Brittlebush Shrub 23
Encelia frutescens Rayless encelia Shrub 3
Encelia virginensis Virgin river encelia Shrub  
Ephedra aspera Mormon tea Shrub  
Ephedra californica Desert tea Shrub 2
Ephedra fasciculata Clokey ephedra Shrub  
Ephedra fasciculata var. clokeyi Clokey's ephedra Shrub  
Ephedra fasciculata var. fasciculata Arizona ephedra Shrub  
Ephedra funerea Death valley ephedra Shrub  
Ephedra nevadensis Nevada ephedra Shrub 10
Ephedra trifurca Long leafed ephedra Tree, Shrub 1
Ephedra viridis Green ephedra Shrub 12
Ericameria arborescens Golden fleece Shrub 3
Ericameria brachylepis Boundary goldenbush Shrub  
Ericameria cuneata Rock goldenbush Shrub 2
Ericameria cuneata var. cuneata Rock goldenbush Shrub 1
Ericameria cuneata var. macrocephala Laguna mtns. goldenbush Shrub  
Ericameria cuneata var. spathulata Wide leaved rock goldenbush Shrub  
Ericameria linearifolia Interior goldenbush Shrub 6
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa var. bernardina San bernardino rubber rabbitbrush Shrub  
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub  
Ericameria palmeri Palmer goldenweed Shrub 3
Ericameria palmeri ssp. palmeri Palmer's goldenbush Shrub  
Ericameria palmeri var. pachylepis Broad scaled palmer's goldenbush Shrub  
Ericameria palmeri var. palmeri Palmer's goldenbush Shrub  
Ericameria parishii Parish's rabbitbrush Shrub 1
Ericameria parishii var. parishii Parish's goldenbush Shrub 1
Ericameria pinifolia Pine bush Shrub 4
Ericameria teretifolia Green rabbitbrush Shrub  
Eriodictyon angustifolium Narrow leaved yerba santa Shrub  
Eriodictyon californicum Yerba santa Shrub 11
Eriodictyon crassifolium Thick leaved yerba santa Shrub 8
Eriodictyon crassifolium var. crassifolium Thick leaved yerba santa Shrub 1
Eriodictyon crassifolium var. nigrescens Thick leaved yerba santa Shrub 1
Eriodictyon trichocalyx Hairy yerba santa Shrub 5
Eriodictyon trichocalyx var. lanatum Hairy yerba santa Shrub  
Eriodictyon trichocalyx var. trichocalyx Hairy yerba santa Shrub  
Eriogonum arborescens Island buckwheat Shrub 18
Eriogonum cinereum Coastal buckwheat Shrub 11
Eriogonum deserticola Colorado desert buckwheat Shrub  
Eriogonum fasciculatum California buckwheat Shrub 42
Eriogonum fasciculatum var. fasciculatum California buckwheat Shrub 3
Eriogonum fasciculatum var. flavoviride California buckwheat Shrub  
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 6
Eriogonum fasciculatum var. polifolium California buckwheat Shrub 3
Eriogonum giganteum St. Catherine's lace Shrub 30
Eriogonum giganteum var. formosum San clemente island buckwheat Shrub 1
Eriogonum giganteum var. giganteum Santa catalina island buckwheat Shrub 1
Eriogonum nudum Naked buckwheat Shrub 15
Eriogonum nudum var. pauciflorum Long trumpet Shrub  
Eriogonum parvifolium Sea cliff buckwheat Shrub 26
Eriogonum plumatella Flat topped buckwheat Shrub  
Eriophyllum confertiflorum Yellow yarrow Shrub 22
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Euonymus occidentalis Western burning bush Tree, Shrub 7
Euonymus occidentalis var. parishii Parish's burning bush Tree, Shrub  
Euphorbia misera Cliff spurge Shrub 6
Fagonia laevis Small flowered fagonia Shrub (stem succulent)  
Ferocactus cylindraceus California barrel cactus Shrub (stem succulent) 3
Ferocactus cylindraceus var. cylindraceus California barrel cactus Shrub (stem succulent) 2
Ferocactus cylindraceus var. lecontei Barrel cactus Shrub (stem succulent) 2
Ferocactus viridescens San diego barrel cactus Shrub (stem succulent) 5
Ferocactus viridescens var. viridescens Shrub (stem succulent) 5
Fouquieria splendens Ocotillo Shrub 9
Fouquieria splendens ssp. splendens Ocotillo Shrub 9
Frangula californica California coffeeberry Shrub 50
Frangula californica ssp. californica California coffeeberry Shrub 43
Frangula californica ssp. crassifolia Serpentine hoary coffeeberry Shrub  
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Frangula rubra Red buckthorn Shrub 3
Frangula rubra ssp. rubra Red buckthorn Shrub 3
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fraxinus parryi Chaparral ash Shrub 1
Fremontodendron californicum California fremontia Shrub 29
Fremontodendron californicum ssp. californicum California fremontia Shrub 26
Fremontodendron mexicanum Mexican flannelbush Shrub 24
Galium catalinense ssp. acrispum San clemente island bedstraw Shrub  
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Galium porrigens var. tenue Graceful bedstraw Vine, Shrub  
Galium stellatum Starry bedstraw Shrub  
Galium stellatum var. eremicum Star flowered bedstraw Shrub  
Garrya flavescens Ashy silk tassel Shrub 1
Garrya fremontii Fremont's silk tassel Shrub 5
Garrya veatchii Southern silk tassel Shrub 1
Grayia spinosa Hop sage Shrub 7
Gutierrezia microcephala Sticky snakeweed Shrub (stem succulent)  
Gutierrezia sarothrae Matchweed Shrub 6
Hazardia detonsa Island hazardia Shrub 4
Hazardia orcuttii Orcutt's hazardia Shrub  
Hazardia squarrosa Saw toothed goldenbush Shrub 9
Hazardia squarrosa var. grindelioides Gum plant goldenbush Shrub 1
Hazardia squarrosa var. squarrosa Saw toothed goldenbush Shrub  
Helianthemum scoparium Broom rose Shrub 13
Helianthemum suffrutescens Bisbee peak rush rose Shrub 12
Hesperoyucca whipplei Chaparral yucca Shrub 32
Heteromeles arbutifolia Toyon Shrub 63
Hoffmannseggia microphylla Wand holdback Shrub  
Holodiscus discolor Oceanspray Shrub 41
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 40
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40
Horsfordia alata Pink velvet mallow Shrub  
Hymenoclea monogyra Leafy burrobrush Shrub  
Hymenoclea salsola Burrobrush Shrub 6
Hymenoclea salsola var. pentalepis Five scaled burrobrush Shrub  
Hymenoclea salsola var. salsola Burrobrush Shrub  
Hyptis emoryi Desert lavender Shrub 11
Isocoma acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. bracteosa Bracted alkali goldenbush Shrub  
Isocoma acradenia var. eremophila Solitary leaved alkali goldenbush Shrub  
Isocoma menziesii White flowered goldenbush Shrub 15
Isocoma menziesii var. decumbens Decumbent goldenbush Shrub 1
Isocoma menziesii var. menziesii Menzies' goldenbush Shrub 5
Isocoma menziesii var. sedoides White flowered dune goldenbush Shrub 1
Isocoma menziesii var. vernonioides Green leaved dune goldenbush Shrub  
Isomeris arborea Bladderpod Shrub 31
Juniperus californica California juniper Shrub 4
Justicia californica Chuparosa Shrub 14
Keckiella antirrhinoides Chaparral beard tongue Shrub 12
Keckiella antirrhinoides var. antirrhinoides Chaparral beard tongue Shrub 1
Keckiella antirrhinoides var. microphylla Chaparral beard tongue Shrub  
Keckiella cordifolia Heart leaved keckiella Shrub 22
Keckiella ternata Blue stemmed keckiella Shrub  
Keckiella ternata var. ternata Blue stemmed keckiella Shrub  
Krameria bicolor White rhatany Shrub  
Krameria erecta Little leaved ratany Shrub  
Krameria grayi White rhatany Shrub  
Krascheninnikovia lanata Winter fat Shrub 11
Larrea tridentata Creosote bush Shrub 17
Lavatera assurgentiflora Malva rosa Shrub 20
Lavatera assurgentiflora ssp. assurgentiflora Island mallow Shrub 7
Lepechinia cardiophylla Heart leaved pitcher sage Shrub 2
Lepechinia ganderi Gander's pitcher sage Shrub  
Lepidospartum squamatum Scalebroom Shrub 7
Leptodactylon californicum Prickly phlox Shrub 5
Leptodactylon californicum ssp. californicum California prickly phlox Shrub 1
Leptodactylon californicum ssp. leptotrichomum California prickly phlox Shrub 1
Leptodactylon californicum ssp. tomentosum Fuzzy prickly phlox Shrub 1
Leptodactylon pungens Prickly phlox Shrub  
Leptosyne gigantea Giant coreopsis Shrub 22
Linanthus californicus Prickly phlox Shrub 5
Linanthus pungens Granite prickly phlox Shrub  
Lonicera hispidula Pink honeysuckle Vine, Shrub 33
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera subspicata Southern honeysuckle Shrub 10
Lonicera subspicata var. denudata Johnston's honeysuckle Shrub 3
Lonicera subspicata var. subspicata Southern honeysuckle Shrub 5
Lotus dendroideus Island broom Shrub  
Lotus dendroideus var. veatchii San miguel island deerweed Shrub  
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5
Lupinus albifrons var. austromontanus Shrub  
Lupinus albifrons var. hallii Shrub 1
Lupinus albifrons var. medius Mountain Springs bush lupine Shrub  
Lupinus arboreus Coastal bush lupine Shrub 27
Lupinus excubitus Grape lupine Shrub 7
Lupinus excubitus var. austromontanus Southern montane grape lupine Shrub  
Lupinus excubitus var. excubitus Grape lupine Shrub  
Lupinus excubitus var. hallii Hall's bush lupine Shrub  
Lupinus excubitus var. medius Mountain springs bush lupine Shrub  
Lupinus littoralis var. variicolor Shrub 5
Lupinus longifolius Long leaf bush lupine Shrub 5
Lupinus variicolor Varied lupine Shrub 5
Lycium andersonii Anderson thornbush Shrub 7
Lycium brevipes Fruitilla Shrub 3
Lycium brevipes var. brevipes Desert thorn Shrub 3
Lycium brevipes var. hassei Santa catalina island desert thorn Shrub  
Lycium californicum California boxthorn Shrub 2
Lycium cooperi Cooper's box thorn Shrub 2
Lycium fremontii Fremont box thorn Shrub 2
Lycium parishii Parish's desert thorn Shrub  
Lycium torreyi Torrey's box thorn Shrub  
Malacothamnus aboriginum Indian Valley bush mallow Shrub  
Malacothamnus davidsonii Davidson's bush mallow Shrub 1
Malacothamnus densiflorus Many-flowered bush mallow Shrub 3
Malacothamnus densiflorus var. densiflorus Yellow stem bush mallow Shrub 3
Malacothamnus densiflorus var. viscidus Yellow stem bush mallow Shrub 3
Malacothamnus enigmaticus Enigmatic bush mallow Shrub  
Malacothamnus fasciculatus Chaparral bush mallow Shrub 19
Malacothamnus fasciculatus var. fasciculatus Chaparral bush mallow Shrub 1
Malosma laurina Laurel sumac Tree, Shrub 19
Malva assurgentiflora Island mallow Shrub 19
Mammillaria dioica Fish hook cactus Shrub (stem succulent) 2
Mammillaria tetrancistra Common fish hook cactus Shrub (stem succulent)  
Menodora scabra Rough desert olive Shrub 2
Mimulus aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus aurantiacus var. parviflorus Island bush monkeyflower Shrub 1
Mimulus aurantiacus var. pubescens Sticky monkeyflower Shrub 2
Mimulus aurantiacus var. puniceus Sticky monkeyflower Shrub 6
Mimulus longiflorus Sticky monkeyflower Shrub 12
Mimulus puniceus Red bush monkeyflower Shrub 52
Nolina cismontana Peninsular beargrass Shrub  
Opuntia Xfosbergii Pink teddy bear cholla Shrub (stem succulent) 1
Opuntia Xoccidentalis Western prickly pear Shrub (stem succulent) 4
Opuntia Xvaseyi Vasey's prickly pear Shrub 1
Opuntia acanthocarpa var. coloradensis Buckhorn cholla Shrub (stem succulent) 1
Opuntia basilaris Beavertail Shrub (stem succulent) 10
Opuntia basilaris var. basilaris Beavertail cactus Shrub (stem succulent) 1
Opuntia bigelovii Teddy bear cholla Shrub (stem succulent) 2
Opuntia chlorotica Pancake prickly pear Shrub (stem succulent)  
Opuntia echinocarpa Staghorn cholla Shrub (stem succulent) 2
Opuntia engelmannii Cactus apple Shrub 3
Opuntia engelmannii var. engelmannii Engelmann prickly pear Shrub 1
Opuntia erinacea Old man cactus Shrub (stem succulent) 2
Opuntia erinacea var. erinacea Grizzly pear Shrub (stem succulent) 2
Opuntia erinacea var. utahensis Utah prickly pear Shrub (stem succulent) 2
Opuntia littoralis Prickly pear Shrub (stem succulent) 12
Opuntia littoralis var. vaseyi Vasey's coastal pricklypear Shrub (stem succulent) 2
Opuntia oricola Chaparral pricklypear Shrub (stem succulent) 12
Opuntia parryi Cane cholla Shrub (stem succulent) 1
Opuntia parryi var. serpentina Snake cholla Shrub (stem succulent) 1
Opuntia phaeacantha Brown spined prickly pear Shrub (stem succulent) 1
Opuntia polyacantha Plains pricklypear Shrub (stem succulent) 3
Opuntia polyacantha var. erinacea Grizzlybear pricklypear Shrub (stem succulent) 2
Opuntia prolifera Cholla Shrub (stem succulent) 6
Opuntia ramosissima Pencil cactus Shrub (stem succulent)  
Opuntia vaseyi Vasey's prickly pear Shrub 2
Opuntia wigginsii Wiggins's cholla Shrub (stem succulent) 2
Opuntia wolfii Wolf's cholla Shrub (stem succulent)  
Ornithostaphylos oppositifolia Baja california birdbush Shrub 3
Parthenocissus vitacea Virginia creeper Vine, Shrub 3
Penstemon incertus Western desert penstemon Shrub 2
Peritoma arborea Bladderpod Shrub 29
Peritoma arborea var. angustata Bladderpod Shrub  
Peritoma arborea var. arborea Bladderpod Shrub  
Peritoma arborea var. globosa Bladderpod Shrub  
Petalonyx linearis Long leaved sandpaper plant Shrub  
Peucephyllum schottii Desert pine Shrub  
Philadelphus lewisii Wild mock orange Shrub 47
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron californicum California mesquite mistletoe Shrub (parasitic)  
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Pickeringia montana var. tomentosa Chaparral pea Shrub 1
Pleurocoronis pluriseta Arrow leaf Shrub  
Pluchea sericea Arrow weed Shrub 7
Polygala cornuta var. fishiae Fish's milkwort Shrub  
Prosopis glandulosa Honey mesquite Tree, Shrub 14
Prosopis glandulosa var. torreyana Honey mesquite Tree, Shrub 5
Prosopis pubescens Screw bean mesquite Tree, Shrub 7
Prunus andersonii Desert peach Tree, Shrub 7
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus fasciculata Desert almond Shrub 5
Prunus fasciculata var. fasciculata Desert almond Shrub  
Prunus fremontii Desert apricot Tree, Shrub  
Prunus ilicifolia Holly leaf cherry Tree, Shrub 35
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Psilostrophe cooperi Paper flower Shrub 5
Psorothamnus arborescens var. minutifolius Little leaved mojave indigo bush Shrub  
Psorothamnus emoryi Emory's indigo bush Shrub  
Psorothamnus schottii Schott's indigo bush Shrub 1
Psorothamnus spinosus Smoke tree Tree, Shrub 4
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. glandulosa Antelope brush Shrub 3
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18
Quercus Xacutidens Torrey's hybrid oak Shrub, Tree  
Quercus Xchasei Shrub, Tree  
Quercus Xganderi Shrub, Tree  
Quercus Xgrandidentata Shrub, Tree  
Quercus dumosa Scrub oak Shrub 10
Quercus palmeri Palmer's oak Shrub  
Quercus turbinella Shrub live oak Shrub 4
Quercus wislizeni Interior live oak Tree, Shrub 22
Quercus wislizeni var. frutescens Live oak Tree, Shrub 1
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 3
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus crocea Redberry Shrub 18
Rhamnus ilicifolia Evergreen buckthorn Shrub 17
Rhamnus pilosa Hairyleaf redberry Shrub 1
Rhamnus rubra Sierra coffeeberry Shrub 3
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. crassifolia Velvet leaf coffeeberry Shrub  
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhododendron occidentale Western azalea Tree, Shrub 22
Rhus aromatica Fragrant sumac Shrub 32
Rhus aromatica var. simplicifolia Single-leaved skunkbrush Shrub 7
Rhus integrifolia Lemonade berry Shrub 37
Rhus ovata Sugar bush Shrub 31
Rhus trilobata Skunkbrush Shrub 32
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7
Ribes amarum Bitter gooseberry Shrub 4
Ribes amarum var. hoffmannii Bitter gooseberry Shrub 4
Ribes aureum Golden currant Shrub 50
Ribes aureum var. aureum Golden currant Shrub 6
Ribes aureum var. gracillimum Golden currant Shrub 9
Ribes canthariforme Moreno currant Shrub  
Ribes cereum Wax currant Shrub 16
Ribes indecorum White flowering currant Shrub 11
Ribes lasianthum Alpine gooseberry Shrub  
Ribes malvaceum Chaparral currant Shrub 23
Ribes malvaceum var. malvaceum Chaparral currant Shrub 3
Ribes malvaceum var. viridifolium Chaparral currant Shrub 7
Ribes nevadense Mountain pink currant Shrub 11
Ribes quercetorum Oak gooseberry Shrub 2
Ribes roezlii Sierra gooseberry Shrub 10
Ribes roezlii var. roezlii Sierra gooseberry Shrub 3
Ribes speciosum Fuchsia flowered gooseberry Shrub 29
Ribes thacherianum Santa cruz island gooseberry Shrub 3
Ribes velutinum Desert gooseberry Shrub  
Ribes viburnifolium Santa catalina island currant Shrub 36
Robinia neomexicana Desert locust Tree, Shrub 5
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa gymnocarpa var. gymnocarpa Wood rose Shrub 2
Rosa minutifolia Small leaved rose Shrub 7
Rosa woodsii Woods' rose Shrub 28
Rosa woodsii ssp. ultramontana Interior rose Shrub 4
Rosa woodsii var. gratissima Tehachapi rose Shrub 2
Rosa woodsii var. ultramontana Wild rose Shrub 4
Rubus glaucifolius Wax leaf raspberry Shrub  
Rubus glaucifolius var. ganderi Cuyamaca raspberry Shrub  
Rubus leucodermis White bark raspberry Shrub 8
Rubus leucodermis var. bernardinus White bark raspberry Shrub 8
Rubus parviflorus Thimbleberry Vine, Shrub 37
Rubus ursinus California blackberry Vine, Shrub 37
Salazaria mexicana Mexican bladder sage Shrub 5
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. exigua Narrowleaf willow Tree, Shrub 2
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix lasiolepis Arroyo willow Tree, Shrub 23
Salix lucida Shining willow Tree, Shrub 19
Salix orestera Sierra willow Shrub  
Salix sessilifolia Northern sandbar willow Shrub 4
Salvia apiana White sage Shrub 57
Salvia apiana var. apiana White sage Shrub 4
Salvia apiana var. compacta Compact white sage Shrub 1
Salvia brandegeei Brandegee's sage Shrub 22
Salvia clevelandii Cleveland sage Shrub 52
Salvia eremostachya Desert sage Shrub 2
Salvia leucophylla Purple sage Shrub 52
Salvia mellifera Black sage Shrub 44
Salvia munzii Munz's sage Shrub 17
Salvia pachyphylla Thick leaved sage Shrub 9
Salvia vaseyi Vasey's sage Shrub  
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Sambucus racemosa Red elderberry Shrub 31
Sambucus racemosa var. racemosa Red elderberry Shrub 5
Scutellaria mexicana Mexican bladder sage Shrub 5
Senecio flaccidus Shrubby ragwort Shrub 6
Senecio flaccidus var. douglasii Bush groundsel Shrub 3
Senecio flaccidus var. monoensis Mono groundsel Shrub  
Senegalia greggii Catclaw, devil's claw Shrub 7
Senna armata Desert senna Shrub 4
Simmondsia chinensis Jojobe Shrub 16
Solanum parishii Parish's purple nightshade Shrub 3
Solanum umbelliferum Blue witch Shrub 10
Sphaeralcea angustifolia Narrow leaved desert mallow Shrub (stem succulent) 4
Styrax redivivus California snowdrop bush Shrub 10
Suaeda californica California seablite Shrub 1
Suaeda taxifolia Seablite Shrub 4
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 42
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Symphoricarpos rotundifolius Mountain snowberry Shrub 3
Symphoricarpos rotundifolius var. parishii Parish's snowberry Shrub  
Tetracoccus dioicus Parry's tetracoccus Shrub  
Tetradymia canescens Gray horsebrush Shrub 1
Tetradymia comosa Cotton thorn Shrub 2
Thamnosma montana Turpentine broom Shrub 1
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Trichostema lanatum Woolly bluecurls Shrub 24
Trichostema parishii Parish's bluecurls Shrub 1
Trixis californica American threefold Shrub 2
Trixis californica var. californica California trixis Shrub 2
Vaccinium ovatum Evergreen huckleberry Shrub 38
Viguiera laciniata San Diego County viguiera Shrub 8
Viguiera parishii Parish viguiera Shrub 5
Viguiera purisimae La purisima viguiera Shrub  
Vitis girdiana Southern california grape Vine, Shrub 12
Xylococcus bicolor Mission manzanita Shrub 8
Yucca baccata Spanish bayonet Shrub 12
Yucca whipplei Our lord's candle Shrub 31
Ziziphus obtusifolia Lotebush Shrub 1
Ziziphus obtusifolia var. canescens Grey leaved abrojo Shrub  
Ziziphus parryi Parry's jujube Shrub  
Ziziphus parryi var. parryi Parry abrojo Shrub  
  Lifeform: Tree81 plants
Abies concolor White fir Tree 22
Acer macrophyllum Bigleaf maple Tree 52
Acer negundo Boxelder Tree 30
Acer negundo var. californicum California box elder Tree 30
Adenostoma sparsifolium Red shanks Tree 5
Alnus rhombifolia White alder Tree 38
Arbutus menziesii Madrono Tree 35
Bursera microphylla Elephant tree Tree 2
Callitropsis forbesii Tecate cypress Tree 3
Callitropsis macrocarpa Monterey cypress Tree 5
Callitropsis stephensonii Arizona cypress Tree 3
Calocedrus decurrens Incense cedar Tree 40
Celtis reticulata Net leaf hackberry Tree 6
Cercidium floridum ssp. floridum Blue palo verde Tree 7
Chamaecyparis lawsoniana Port orford cedar Tree 14
Cupressus forbesii Tecate cypress Tree 7
Cupressus lawsoniana Port orford cedar Tree 14
Cupressus macrocarpa Monterey cypress Tree 24
Cupressus stephensonii Arizona cypress Tree 4
Fraxinus latifolia Oregon ash Tree 29
Fraxinus velutina Arizona ash Tree 11
Hesperocyparis forbesii Tecate cypress Tree 7
Hesperocyparis macrocarpa Monterey cypress Tree 24
Hesperocyparis stephensonii Cuyamaca cypress Tree 21
Juglans californica Southern california black walnut Tree 12
Juglans californica var. californica Southern california black walnut Tree 12
Juglans californica var. hindsii Northern california black walnut Tree 13
Juglans hindsii Northern california black walnut Tree 13
Juniperus grandis Sierra juniper Tree  
Juniperus occidentalis Western juniper Tree 2
Juniperus occidentalis var. australis Sierra juniper Tree  
Lyonothamnus floribundus Island ironwood Tree 15
Olneya tesota Ironwood Tree 6
Parkinsonia florida Blue paloverde Tree 17
Pinus attenuata Knobcone pine Tree 6
Pinus coulteri Coulter pine Tree 13
Pinus jeffreyi Jeffrey pine Tree 17
Pinus lambertiana Sugar pine Tree 13
Pinus monophylla Single leaf pinyon Tree 10
Pinus muricata Bishop pine Tree 12
Pinus ponderosa Yellow pine Tree 29
Pinus ponderosa var. pacifica Pacific ponderosa pine Tree  
Pinus ponderosa var. ponderosa North plateau ponderosa pine Tree 2
Pinus quadrifolia Parry pine Tree  
Pinus radiata Monterey pine Tree 8
Pinus sabiniana Gray pine Tree 28
Pinus torreyana Island torrey pine Tree 14
Pinus torreyana ssp. insularis Santa rosa isl. torrey pine Tree  
Pinus torreyana ssp. torreyana Torrey pine Tree 1
Platanus racemosa California sycamore Tree 36
Platanus racemosa var. wrightii Arizona sycamore Tree 5
Populus Xparryi Tree  
Populus balsamifera ssp. trichocarpa Black cottonwood Tree 27
Populus fremontii Fremont cottonwood Tree 32
Populus fremontii ssp. fremontii Cottonwood Tree 4
Populus trichocarpa Black cottonwood Tree 27
Prunus ilicifolia ssp. lyonii Island cherry Tree 24
Pseudotsuga macrocarpa Bigcone spruce Tree 3
Quercus Xalvordiana Alvord's oak Tree  
Quercus Xmorehus Oracle oak Tree 1
Quercus agrifolia Coast live oak Tree 52
Quercus agrifolia var. agrifolia Coast live oak Tree 3
Quercus agrifolia var. oxyadenia Southern coast live oak Tree  
Quercus berberidifolia Inland scrub oak Tree 13
Quercus cedrosensis Cedros island oak Tree  
Quercus chrysolepis Gold cup live oak Tree 24
Quercus cornelius-mulleri Desert scrub oak Tree 1
Quercus douglasii Blue oak Tree 26
Quercus engelmannii Engelmann oak Tree 10
Quercus john-tuckeri Tucker's oak Tree  
Quercus kelloggii California black oak Tree 24
Quercus lobata Valley oak Tree 40
Quercus tomentella Island oak Tree 5
Salix gooddingii Gooding's willow Tree 7
Salix laevigata Polished willow Tree 17
Salix lasiandra Pacific willow Tree 20
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Umbellularia californica California bay Tree 40
Washingtonia filifera California fan palm Tree 9
Yucca schidigera Mohave yucca Tree 13
  Lifeform: Vine1 plant
Vicia hassei Hasse's vetch Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in San Diego County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.