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Criteria:   found in Orange County  •   is native  •  group by lifeform
3228  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual998 plants
Abronia villosa Hairy sand verbena Annual herb 4
Abronia villosa var. aurita Yellow hairy sand verbena Annual herb  
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 7
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. maritimus Coastal lotus Annual herb  
Acmispon micranthus Small flowered lotus Annual herb 2
Acmispon parviflorus Hill lotus Annual herb  
Acmispon strigosus Strigose lotus Annual herb 3
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. crenulata Annual agoseris Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Aliciella latifolia ssp. imperialis Broadleaf gilia Annual herb  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum glutinosum Sticky false gilia Annual herb  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus palmeri Palmer's amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Amaranthus powellii ssp. bouchonii Annual herb  
Amaranthus powellii ssp. powellii Powell'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  
Amsinckia douglasiana Douglas' fiddleneck Annual herb  
Amsinckia eastwoodiae Eastwood's fiddleneck Annual herb 1
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb  
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia spectabilis Seaside fiddleneck Annual herb  
Amsinckia vernicosa var. furcata Forked fiddleneck Annual herb 2
Amsinckia vernicosa var. vernicosa Green fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Androsace occidentalis var. simplex Western rock jasmine Annual herb  
Androsace septentrionalis ssp. subumbellata Pygmy rock jasmine Annual, Perennial herb 1
Antirrhinum coulterianum Coulter's snapdragon Annual herb 2
Antirrhinum cyathiferum Deep canyon snapdragon Annual herb  
Antirrhinum kelloggii Lax snapdragon Annual herb 1
Antirrhinum multiflorum Sticky snapdragon Annual, Perennial herb 3
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 vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. intermedium Intermediate sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphanisma blitoides Aphanisma Annual herb  
Apiastrum angustifolium Wild celery Annual herb  
Argemone munita Prickly poppy Annual, Perennial herb 4
Arida arizonica Silver lake daisy Annual herb  
Aristida adscensionis Three awn Annual grass 4
Aster frondosus Short rayed alkali aster Annual herb  
Astragalus clarianus Clara hunt's milk vetch Annual herb  
Astragalus didymocarpus Dwarf white milk vetch Annual herb  
Astragalus didymocarpus var. didymocarpus Common dwarf milkvetch Annual herb  
Astragalus gambelianus Loco weed Annual herb  
Astragalus gambelianus var. elmeri Elmer's dwarf milk vetch Annual herb  
Astragalus lentiginosus var. platyphyllidius Volcanic milk vetch Annual, Perennial herb  
Athysanus pusillus Dwarf athysanus 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 covillei Coville's orach Annual herb  
Atriplex dioica Spike saltbush Annual herb  
Atriplex erecticaulis Erectstem saltbush Annual herb  
Atriplex joaquinana San joaquin spearscale Annual herb  
Atriplex joaquiniana San joaquin orache Annual herb  
Atriplex longitrichoma Long hair silverscale Annual herb  
Atriplex pacifica South coast saltscale Annual herb  
Atriplex parishii Parish's brittlescale Annual herb  
Atriplex patula var. obtusa Spear oracle Annual herb  
Atriplex patula var. patula Spear oracle Annual herb 3
Atriplex phyllostegia Leafcover saltweed Annual herb 1
Atriplex serenana Saltscale Annual herb 1
Atriplex serenana var. davidsonii Davidson's saltscale Annual herb  
Atriplex serenana var. serenana Saltscale Annual herb  
Atriplex subspicata Spike saltbush Annual herb  
Atriplex truncata Wedgescale Annual herb  
Atriplex vallicola Lost hills crownscale Annual herb  
Bidens frondosa Sticktight Annual herb  
Blepharizonia plumosa ssp. plumosa Big tarplant Annual herb  
Blepharizonia plumosa ssp. viscida Glandular big tarweed Annual herb  
Boerhavia intermedia Fivewing spiderling Annual herb  
Bowlesia incana Bowlesia Annual herb 1
Bromus arizonicus Arizona brome Annual grass 1
Bromus laevipes Narrow flowered brome Annual, Perennial grass 4
Calandrinia ambigua Desert calendrinia Annual herb  
Calandrinia breweri Brewer's calandrinia Annual herb  
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia maritima Seaside calandrinia Annual herb  
Calandrinia menziesii Red maids Annual herb 8
Calibrachoa parviflora Seaside petunia Annual herb  
Callitriche marginata Winged water starwort Annual herb (aquatic)  
Callitriche verna Water starwort Annual herb  
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb  
Calyptridium monandrum Common pussypaws Annual herb  
Calyptridium parryi var. arizonicum Parry's pussypaws Annual herb  
Calyptridium umbellatum var. caudiciferum Alpine cistanthe Annual, Perennial herb 3
Calyptridium umbellatum var. umbellatum Mt. hood pussypaws Annual, Perennial herb  
Calystegia felix Lucky morning-glory Annual herb  
Camissonia andina Plateau evening primrose 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. alyssoides Pine creek evening primrose Annual herb  
Camissonia boothii ssp. boothii Booth's evening primrose 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. arizonica Arizona sun cup Annual herb  
Camissonia brevipes ssp. brevipes Golden sun cup Annual herb  
Camissonia brevipes ssp. pallidula Pale sun cup Annual herb  
Camissonia californica California primrose Annual herb 1
Camissonia campestris Field primrose Annual herb  
Camissonia cardiophylla ssp. robusta Big 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. cruciformis Cross flowered clavate fruited primrose Annual herb  
Camissonia claviformis ssp. funerea Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. integrior Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. lancifolia 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 guadalupensis ssp. clementina San clemente island evening primrose Annual herb  
Camissonia hardhamiae Hardham's evening primrose Annual herb  
Camissonia heterochroma Shockley's evening primrose 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 lacustris Lakebed sun cup Annual herb  
Camissonia lewisii Lewis's evening primrose Annual herb  
Camissonia luciae Santa lucia sun cup Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissonia minor Nelson's evening primrose Annual herb  
Camissonia munzii Munz's evening primrose Annual herb  
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 palmeri Palmer's sun cup Annual herb  
Camissonia pterosperma Wing fruit sun cup Annual herb  
Camissonia refracta Narrow leaved primrose Annual herb  
Camissonia robusta Robust sun cup Annual herb  
Camissonia strigulosa Contorted primrose Annual herb  
Camissonia walkeri ssp. tortilis Walker's sun cup Annual, Perennial 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 robusta Robust subcup Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja 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 minor Little paintbrush Annual herb 1
Castilleja minor ssp. spiralis Lesser paintbrush Annual herb  
Caulanthus amplexicaulis var. amplexicaulis Clasping leaved caulanthus Annual herb  
Caulanthus coulteri var. coulteri Coulter's jewel flower Annual herb  
Caulanthus coulteri var. lemmonii Lemmon's jewel flower 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 davyi Davy's centaury Annual herb 1
Centaurium exaltatum Cancha lagua Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium trichanthum Alkali centaury Annual herb  
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 pungens Common tarweed Annual herb 1
Centromadia pungens ssp. laevis Smooth tarplant Annual herb  
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Centunculus minimus False pimpernel Annual herb  
Chaenactis artemisiifolia Artemisia leaved chaenactis Annual herb 4
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. megacephala Big headed yellow chaenactis Annual herb 1
Chaenactis glabriuscula var. orcuttiana Orcutt's yellow chaenactis Annual herb  
Chamaesyce abramsiana Abrams' prostrate spurge Annual herb  
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce hooveri Hoover's spurge Annual herb  
Chamaesyce micromera Desert spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. arenicola Sand spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat Annual herb  
Chamaesyce ocellata ssp. rattanii Stony creek spurge Annual herb  
Chamaesyce parryi Parry's 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  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium berlandieri var. sinuatum Pitseed goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chenopodium 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  
Chorisiva nevadensis Nevada sumpweed Annual herb  
Chorizanthe fimbriata Fringed spineflower Annual herb  
Chorizanthe fimbriata var. fimbriata Fringed spineflower Annual herb  
Chorizanthe parryi Parry's spineflower Annual herb  
Chorizanthe parryi var. fernandina San fernando valley spineflower Annual herb  
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. longispina Long spined spineflower Annual herb  
Chorizanthe procumbens Prostrate spineflower Annual herb  
Chorizanthe staticoides Turkish rugging Annual herb 3
Cistanthe maritima Seaside calandrinia Annual herb  
Citrullus colocynthis var. citroides Citron Annual herb  
Clarkia biloba ssp. brandegeae Brandegee's two lobed clarkia Annual herb  
Clarkia bottae Punch bowl godetia Annual herb 7
Clarkia dudleyana Dudley's clarkia Annual herb  
Clarkia epilobioides Willow herb clarkia Annual herb  
Clarkia lewisii Lewis's clarkia Annual herb 5
Clarkia mosquinii ssp. mosquinii Mosquin's clarkia Annual herb  
Clarkia mosquinii ssp. xerophylla Mosquin's 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 1
Clarkia similis Ramona clarkia Annual herb  
Clarkia unguiculata Woodland clarkia Annual herb 19
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb  
Claytonia perfoliata Miner's lettuce Annual herb 5
Claytonia perfoliata ssp. mexicana Southern miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Cleome lutea Yellow bee plant Annual herb 1
Cleome platycarpa Golden bee plant Annual herb  
Cleome serrulata Rocky mountain bee plant Annual herb 8
Cleome sparsifolia Fewleaf bee plant Annual herb  
Collinsia concolor White collinsia Annual herb  
Collinsia heterophylla Chinese houses Annual herb 19
Collinsia heterophylla var. austromontana Southern chinese houses Annual herb  
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia stricta Narrow collinsia Annual herb 1
Convolvulus simulans Small flowered morning glory Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Conyza canadensis var. glabrata Canadian horseweed Annual herb  
Conyza coulteri Coulter's horseweed Annual herb  
Cordylanthus maritimus Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. canescens Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. maritimus Salt marsh bird's beak Annual herb (hemiparasitic)  
Cordylanthus maritimus ssp. palustris Point reyes bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis Soft bird's beak Annual herb  
Cordylanthus mollis ssp. hispidus Hispid bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis ssp. mollis Soft bird's beak Annual herb (hemiparasitic)  
Cordylanthus orcuttianus Orcutt's bird's beak Annual herb (hemiparasitic)  
Cordylanthus palmatus Palmate bracted bird's beak Annual herb (hemiparasitic)  
Cordylanthus rigidus Rigid 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  
Cordylanthus tecopensis Tecopa bird's beak Annual herb (hemiparasitic)  
Coreopsis bigelovii Bigelow coreopsis Annual herb 3
Coreopsis californica var. californica California coreopsis Annual herb  
Coreopsis calliopsidea Leafy stemmed coreopsis Annual herb 3
Coreopsis douglasii Douglas' coreopsis Annual herb 1
Coreopsis hamiltonii Mt. hamilton coreopsis Annual herb  
Coreopsis stillmanii Stillman's coreopsis Annual herb 2
Crassula aquatica Aquatic pygmy weed Annual herb  
Crassula connata Sand pygmy weed Annual herb 1
Crassula saginoides Aquatic pygmy weed Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 4
Cryptantha barbigera Bearded cryptantha Annual herb  
Cryptantha clevelandii Common cryptantha Annual herb  
Cryptantha clevelandii var. clevelandii Cleveland's cryptantha Annual herb  
Cryptantha clevelandii var. dissita Serpentine cryptantha Annual herb  
Cryptantha clevelandii var. florosa Coastal cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha leiocarpa Popcorn flower Annual herb  
Cryptantha microstachys Tejon cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2
Cryptantha muricata var. muricata Showy prickly-nut cryptantha Annual herb 2
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 campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta pacifica Goldenthread Annual herb, Vine (parasitic)  
Cuscuta pacifica var. pacifica Dodder Annual herb, Vine (parasitic)  
Cuscuta pacifica var. papillata Mendocino dodder Annual herb, Vine (parasitic)  
Cuscuta pentagona Western field 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. papillata Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. salina Salt marsh dodder Annual herb, Vine (parasitic)  
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. subpedicellata Mountain dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. suksdorfii Mountain 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  
Daucus pusillus Wild carrot Annual herb 1
Deinandra bacigalupi Livermore tarplant Annual herb  
Deinandra corymbosa ssp. corymbosa Coastal tarweed Annual herb  
Deinandra corymbosa ssp. macrocephala Coastal tarweed Annual herb  
Deinandra fasciculata Clustered tarweed Annual herb 5
Deinandra increscens ssp. foliosa Leafy tarplant Annual herb  
Deinandra kelloggii Kellogg's tarweed Annual herb 1
Deinandra paniculata Paniculate tarplant Annual herb 2
Deschampsia danthonioides Annual hairgrass Annual grass  
Descurainia incisa ssp. filipes Erect fruited mountain tansy mustard Annual herb  
Descurainia paradisa ssp. paradisa Paradise tansymustard Annual herb  
Descurainia pinnata Yellow tansy mustard Annual herb  
Descurainia pinnata ssp. brachycarpa Western tansymustard Annual herb  
Descurainia pinnata ssp. halictorum Alkali western tansy mustard Annual herb  
Descurainia pinnata ssp. menziesii Menzies' tansy mustard Annual herb  
Diplacus bolanderi Bolander's monkeyflower Annual herb  
Diplacus brevipes Wide throated yellow monkeyflower Annual herb 2
Dodecahema leptoceras Slender horned spineflower Annual herb  
Downingia elegans var. corymbosa Elegant downingia Annual herb  
Downingia elegans var. elegans Elegant calicoflower 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  
Draba stenoloba var. ramosa Alaska draba Annual, Perennial herb  
Draba verna var. aestivalis Small bruited spring 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 gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Eleocharis flavescens var. thermalis Yellow spikerush Annual grass  
Eleocharis geniculata Bent spikerush Annual grass  
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa var. obtusa Broad spiked spikerush Annual grass 3
Eleocharis thermalis Warm springs 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 paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremalche exilis White mallow Annual herb  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eriastrum brandegeae Brandegee's eriastrum Annual herb  
Eriastrum sapphirinum Sapphire eriastrum Annual herb 1
Eriastrum sapphirinum ssp. dasyanthum Sapphire woollystar Annual herb  
Eriastrum sapphirinum ssp. sapphirinum Sapphire woollystar Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Erigeron strigosus var. septentrionalis Prairie fleabane Annual, Perennial herb  
Eriogonum apiculatum var. apiculatum Annual herb  
Eriogonum cernuum var. cernuum Nodding buckwheat Annual herb  
Eriogonum cernuum var. viminale Nodding buckwheat Annual herb  
Eriogonum deflexum var. rectum Flat topped 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 puberulum Downy buckwheat Annual herb  
Eriogonum thurberi Thurber eriogonum Annual herb  
Eriogonum trichopes var. hooveri Hoover's buckwheat Annual herb  
Eriogonum trichopes var. trichopes Little desert buckwheat Annual herb  
Erodium macrophyllum Large leaved filaree Annual herb  
Eryngium aristulatum var. parishii San diego button celery Annual, Perennial 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) 38
Eschscholzia caespitosa Tufted eschscholzia Annual herb 14
Eschscholzia californica California poppy Annual, Perennial herb 49
Eucrypta chrysanthemifolia Spotted eucrypta Annual herb 2
Eucrypta chrysanthemifolia var. chrysanthemifolia Common eucrypta Annual herb  
Eulobus californicus California primrose Annual herb 1
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia serpens Matted sandmat Annual herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. hirtula Annual, Perennial 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 7
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  
Gaura coccinea Scarlet gaura Annual, Perennial herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gentianella tenella ssp. tenella Dane's dwarf gentian Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia achilleifolia ssp. multicaulis Many stemmed gilia Annual herb  
Gilia angelensis Chaparral gilia Annual herb  
Gilia australis Splendid gilia Annual herb  
Gilia brecciarum ssp. jacens Nevada gilia Annual herb  
Gilia campanulata Bell shape gilia Annual herb  
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 18
Gilia capitata ssp. abrotanifolia Ball gilia Annual herb  
Gilia caruifolia Broad flowered gilia Annual herb  
Gilia clivorum Purple spot gilia Annual herb  
Gilia filiformis Thread stemmed gilia Annual herb  
Gilia hutchinsifolia Desert pale gilia Annual herb  
Gilia inyoensis Inyo gilia Annual herb  
Gilia latifolia Troadleaf gilia Annual herb  
Gilia leptalea Bridges' gilia Annual herb  
Gilia leptalea ssp. bicolor Purple throat gilia Annual herb  
Gilia leptalea ssp. leptalea Bridges gilia Annual herb  
Gilia leptomeria Tooth leaved gilia Annual herb  
Gilia lottiae Lott's gilia Annual herb  
Gilia maculata Miniatur gilia Annual herb  
Gilia micromeria Dainty gilia Annual herb  
Gilia sinistra Clockwise gilia Annual herb  
Gilia sinistra ssp. pinnatisecta Cut leaf clockwise gilia Annual herb  
Gilia sinistra ssp. sinistra Clockwise gilia Annual herb  
Gilia splendens Splendid gilia Annual herb 1
Gilia splendens ssp. grantii Grant's gilia Annual herb  
Gilia splendens ssp. splendens Splendid gilia Annual herb  
Gilia subacaulis Short stem gilia Annual herb  
Gilia tenerrima Delicate gilia Annual herb  
Gilia tetrabreccia Mt. pinos gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 15
Gilia triodon Sand gilia Annual herb  
Githopsis diffusa San gabriel bluecup Annual herb  
Githopsis diffusa ssp. candida Bluecup Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 11
Gnaphalium macounii Macoun's cudweed Annual, Perennial herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 3
Guillenia flavescens Yellow california mustard Annual herb 1
Guillenia lasiophylla Shaggy thelypod Annual herb  
Harpagonella palmeri Palmer's grapplinghook Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus niveus ssp. canescens Gray desert sunflower Annual, Perennial herb  
Helianthus petiolaris ssp. canescens Gray desert sunflower Annual, Perennial herb  
Hemizonia arida Red rock tarplant Annual herb  
Hemizonia congesta ssp. leucocephala Hayfield tarplant Annual herb  
Hemizonia conjugens Otay tarplant Annual herb  
Hemizonia corymbosa Coastal tarweed Annual herb 2
Hemizonia corymbosa ssp. corymbosa Central coast tarweed Annual herb  
Hemizonia corymbosa ssp. macrocephala Central coast tarweed Annual herb  
Hemizonia fasciculata Common tarweed Annual herb 5
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia floribunda Tecate tarplant Annual herb  
Hemizonia halliana Hall's tarplant Annual herb  
Hemizonia increscens Grassland tarweed Annual herb  
Hemizonia increscens ssp. foliosa Leafy grassland tarweed Annual herb  
Hemizonia increscens ssp. increscens Coast tarplant Annual herb  
Hemizonia increscens ssp. villosa Gaviota tarplant Annual herb  
Hemizonia kelloggii Kellogg's tarweed Annual herb 1
Hemizonia lobbii Three raped tarweed Annual herb  
Hemizonia mohavensis Mojave tarplant Annual herb 1
Hemizonia pallida Kern tarweed Annual herb  
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 parryi ssp. congdonii Congdon's tarplant Annual herb  
Hemizonia parryi ssp. parryi Parry's tarweed Annual herb  
Hemizonia parryi ssp. rudis Parry's red tarplant Annual herb  
Hemizonia pentactis Salinas river tarweed Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
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  
Hesperocnide tenella Western stinging nettle Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Heterodraba unilateralis Ladiestongue mustard Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 3
Heterotheca psammophila Camphor weed Annual, Perennial herb 1
Heterotheca sessiliflora Golden aster Annual, Perennial herb 11
Holocarpha obconica ssp. autumnalis Autumn san joaquin tarweed Annual herb  
Holocarpha obconica ssp. obconica San joaquin tarweed Annual herb  
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
Impatiens occidentalis Western touch me not Annual herb  
Ipomopsis depressa Low ipomopsis Annual herb  
Isolepis carinata Keeled bulrush Annual grass  
Isolepis cernua Low bulrush Annual grass 13
Iva nevadensis Nevada wormwood Annual herb  
Juncus ambiguus Saline toad 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 kelloggii Kellogg's dwarf rush Annual grass  
Laennecia coulteri Coulter's horseweed Annual herb  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. congesta Clustered hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Lastarriaea coriacea Leather spineflower Annual herb  
Lasthenia californica Goldfields Annual herb 10
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia coronaria Royal goldfields Annual herb 2
Lasthenia glabrata Yellow rayed goldfields Annual herb 8
Lasthenia glabrata ssp. coulteri Goldfields Annual herb  
Lasthenia glabrata ssp. glabrata Yellow rayed goldfields Annual herb  
Lasthenia gracilis Needle goldfields Annual herb  
Lasthenia macrantha Perennial goldfields Annual herb 1
Lasthenia macrantha ssp. bakeri Baker's goldfields Annual herb  
Lasthenia macrantha ssp. macrantha Perennial goldfields Annual herb 1
Layia platyglossa Tidy tips Annual herb 20
Lembertia congdonii San joaquin woollythreads Annual herb  
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. elongatum Common pepper grass Annual herb  
Lepidium densiflorum var. macrocarpum Bigseed pepper grass Annual herb  
Lepidium densiflorum var. pubecarpum Hairy pepper grass Annual herb  
Lepidium densiflorum var. pubicarpum Annual herb  
Lepidium densiflorum var. ramosum Common pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium dictyotum var. dictyotum Net pepper grass Annual herb  
Lepidium flavum var. flavum Yellow 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 var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. howellii Howell's pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. oreganum Shining pepper grass Annual herb 2
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 oxycarpum Sharp podded pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb  
Lepidium strictum Peppergrass Annual herb  
Lepidium virginicum Wild pepper grass Annual herb  
Lepidium virginicum ssp. menziesii Robinson's 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 fascicularis Sprangletop Annual grass  
Leptochloa filiformis Red sprangletop Annual grass  
Leptochloa fusca Sprangletop Annual grass  
Leptochloa fusca ssp. fascicularis Bearded sprangletop Annual grass  
Leptochloa fusca ssp. uninervia Mexican sprangletop Annual grass  
Leptochloa mucronata Mucronate sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon liniflorus Narrowflower flaxflower Annual herb  
Leptosiphon parviflorus Variable linanthus Annual herb 1
Leptosyne californica California coreopsis Annual herb  
Lesquerella tenella Little bladderpod Annual herb  
Lessingia glandulifera Valley vinegar weed Annual herb  
Lessingia glandulifera var. glandulifera Sticky lessingia Annual herb  
Lessingia glandulifera var. pectinata Valley lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. peirsonii Peirson's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia occidentalis Western lessingia Annual herb  
Lessingia virgata var. virgata Wand lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes gracilis ssp. parishii Parish's meadowfoam Annual herb  
Limnanthes striata Foothill meadowfoam Annual herb  
Linanthus acicularis Bristly linanthus Annual herb  
Linanthus ambiguus Serpentine linanthus Annual herb  
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 bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus breviculus Mojave linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus croceus Annual herb 1
Linanthus dianthiflorus Fringed linanthus Annual herb 1
Linanthus filipes Filiform linanthus Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 15
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus jepsonii Jepson's linanthus Annual herb  
Linanthus latisectus Napa linanthus Annual herb  
Linanthus lemmonii Lemmon's linanthus Annual herb  
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus montanus Mustang clover Annual herb  
Linanthus nudatus Tehachapi linanthus Annual herb  
Linanthus oblanceolatus Sierra nevada 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  
Linanthus rattanii Rattan's linanthus Annual herb  
Linanthus rosaceus Rose linanthus Annual herb  
Linanthus septentrionalis Northern linanthus Annual herb  
Linanthus serrulatus Madera linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb  
Linaria canadensis var. texana Toad flax Annual, Perennial herb  
Lindernia dubia False pimpernel Annual herb  
Lindernia dubia var. anagallidea False pimpernel Annual herb  
Lindernia dubia var. dubia False pimpernel Annual herb  
Lipocarpha micrantha Small flowered hemicarpha Annual grass  
Loeflingia squarrosa Spreading loeflingia Annual herb  
Loeflingia squarrosa var. squarrosa California loeflingia Annual herb  
Logfia arizonica Arizona cottonrose Annual herb  
Logfia filaginoides California cottonrose Annual herb  
Lotus denticulatus Toothed lotus 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 rubriflorus Red flowered lotus Annual herb  
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 arizonicus var. arizonicus Arizona lupine Annual herb 7
Lupinus arizonicus var. barbatulus Arizona lupine Annual herb  
Lupinus benthamii var. benthamii Spider lupine Annual herb 3
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus concinnus Bajada lupine Annual herb 3
Lupinus hirsutissimus Stinging lupine Annual herb 6
Lupinus microcarpus Chick lupine Annual herb 7
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 12
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus sparsiflorus Coulter's lupine Annual herb 6
Lupinus sparsiflorus ssp. sparsiflorus Coulter's lupine Annual herb  
Lupinus sparsiflorus var. inopinatus Coulter's lupine Annual herb  
Lupinus succulentus Arroyo lupine Annual herb 20
Lupinus truncatus Blunt leaved lupine Annual herb 4
Lysimachia minima Chaffweed Annual herb  
Machaeranthera arida Silver lake daisy Annual herb  
Machaeranthera gracilis Slender goldenweed Annual herb  
Madia doris-nilesiae Niles's madia Annual herb  
Madia elegans Common madia Annual herb 12
Madia elegans ssp. densifolia Leafy common madia Annual herb 11
Madia elegans ssp. elegans Common madia Annual herb 13
Madia elegans ssp. vernalis Spring common madia Annual herb 12
Madia elegans ssp. wheeleri Wheeler's common madia Annual herb 11
Madia gracilis Gumweed Annual herb 1
Madia hallii Hall's madia Annual herb  
Madia minima Little tarweed Annual herb  
Madia nutans Nodding madia Annual herb  
Madia rammii Ramm's madia Annual herb  
Madia sativa Coastal tarweed Annual herb  
Madia stebbinsii Stebbins's madia Annual herb  
Madia yosemitana Yosemite madia Annual herb  
Matricaria discoidea Pineapple weed Annual herb 3
Matricaria occidentalis Valley mayweed Annual herb  
Meconella denticulata Small flowered meconella Annual herb  
Meconella linearis Narrow leaved meconella Annual herb  
Mentzelia affinis Yellow comet Annual herb  
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia involucrata var. involucrata Whitebract blazingstar Annual herb  
Mentzelia involucrata var. megalantha Bracted blazing star Annual herb  
Mentzelia micrantha Small flowered stickleaf Annual herb 2
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 1
Microseris douglasii ssp. douglasii Douglas' microseris Annual herb 1
Microseris douglasii ssp. platycarpha Small flowered microseris 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 brachiatus Serpentine monkeyflower Annual herb  
Mimulus brevipes Wide throated yellow monkeyflower Annual herb 2
Mimulus cleistogamus Selfing monkeyflower Annual herb  
Mimulus cupriphilus Mcnulty mine monkeyflower Annual herb 38
Mimulus diffusus Palomar monkeyflower Annual herb  
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 38
Mimulus jepsonii Jepson's monkeyflower Annual herb  
Mimulus mephiticus Skunky monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 38
Mimulus palmeri Palmer's monkeyflower Annual herb  
Mimulus pilosus Snouted monkey flower Annual herb  
Mimulus spissus Compact monkeyflower Annual herb  
Mimulus whipplei Whipple's monkeyflower Annual herb 38
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Monardella breweri Brewer's monardella Annual herb  
Monardella breweri ssp. lanceolata Mustang mint Annual herb 1
Monardella douglasii ssp. douglasii Douglas' monardella Annual herb  
Monardella douglasii ssp. venosa Veiny monardella Annual herb  
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  
Monolepis pusilla Dwarf poverty weed Annual herb  
Montia fontana ssp. chondrosperma Water chickweed Annual herb  
Muhlenbergia microsperma Littleseed muhly Annual grass 4
Myosurus minimus Little mouse tail Annual herb  
Myosurus minimus ssp. apus Little mouse tail Annual herb  
Najas guadalupensis Guadalupe water nymph Annual herb  
Najas marina Marine water nymph Annual herb  
Nama arizonicum Arizona fiddleleaf Annual herb  
Nama stenocarpa Mud nama Annual herb  
Nama stenocarpum Mud nama Annual, Perennial herb  
Navarretia atractyloides Holly leaf navarretia Annual herb  
Navarretia hamata Hooked navarretia Annual herb  
Navarretia hamata ssp. leptantha Hooked navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia jaredii Paso robles navarretia Annual herb  
Navarretia prostrata Prostrate navarretia Annual herb  
Navarretia sinistra ssp. pinnatisecta Pinnate leaved navarretia Annual herb  
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb  
Navarretia viscidula ssp. viscidula Sticky pincushionplant Annual herb  
Nemacaulis denudata Woolly heads Annual herb  
Nemacaulis denudata var. denudata Coast woolly heads Annual herb  
Nemacladus glanduliferus var. glanduliferus Glandular nemacladus Annual herb  
Nemacladus glanduliferus var. orientalis Eastern glandular nemacladus Annual herb  
Nemacladus longiflorus Thread plant Annual herb  
Nemacladus longiflorus var. longiflorus Long flowered nemacladus Annual herb  
Nemacladus ramosissimus Nuttall's nemacladus Annual herb  
Nemacladus rubescens var. rubescens Desert threadplant Annual herb  
Nemacladus rubescens var. tenuis Desert nemacladus Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 18
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 pulchella ssp. pulchella Eastwood's nemophila 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  
Oligomeris linifolia Leaved cambess Annual herb  
Orcuttia californica California orcutt grass Annual grass  
Orobanche vallicola Valley broom rape Annual herb  
Osmadenia tenella Osmadenia Annual herb  
Oxalis pilosa Hairy wood sorrel Annual herb  
Oxytheca caryophylloides Chickweed oxytheca Annual herb  
Oxytheca emarginata White margined oxytheca Annual herb  
Oxytheca parishii Parish's oxytheca Annual herb  
Oxytheca parishii var. abramsii Abrams's oxytheca Annual herb  
Oxytheca parishii var. cienegensis Cienega seca oxytheca Annual herb  
Oxytheca parishii var. goodmaniana Cushenbury oxytheca Annual herb  
Oxytheca parishii var. parishii Parish's oxytheca Annual herb  
Oxytheca trilobata Three lobed oxytheca Annual herb  
Panicum alatum var. alatum Winged panicgrass Annual grass  
Panicum capillare Old witch grass Annual grass 2
Panicum capillare ssp. capillare Annual grass 2
Panicum hirticaule var. hirticaule Mexican panicgrass Annual grass  
Papaver californicum Fire poppy Annual herb 2
Papaver heterophyllum Wind poppy Annual herb 4
Parietaria hespera Pelitory Annual herb  
Parietaria hespera var. californica California pellitory Annual herb  
Parietaria hespera var. hespera Pellitory Annual herb  
Parishella californica Mojave dwarf Annual herb  
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum leiocarpum Lake county stonecrop Annual herb  
Parvisedum pentandrum Central california stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya linearis Sagebrush combseed Annual herb  
Pectocarya linearis ssp. ferocula Slender comb seed Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pentachaeta aurea Golden rayed pentachaeta Annual herb  
Pentachaeta aurea ssp. allenii Allen's daisy Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Petunia parviflora Wild petunia Annual herb  
Phacelia affinis var. patens Limestone phacelia Annual herb  
Phacelia bicolor var. bicolor Two colored phacelia Annual herb  
Phacelia brachyloba Short lobed phacelia Annual herb 1
Phacelia campanularia ssp. campanularia Desert bells Annual herb 1
Phacelia campanularia ssp. vasiformis Desert bluebells Annual herb  
Phacelia cicutaria Caterpillar phacelia Annual herb 5
Phacelia cicutaria var. cicutaria Caterpillar phacelia Annual herb  
Phacelia cicutaria var. hispida Caterpillar phacelia Annual herb  
Phacelia cicutaria var. hubbyi Hubby's caterpillar phacelia Annual herb  
Phacelia ciliata Great valley phacelia Annual herb 1
Phacelia ciliata var. ciliata Great valley 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 var. douglasii Douglas' phacelia Annual herb  
Phacelia eisenii var. brandegeana Eisen's phacelia Annual herb  
Phacelia grandiflora Giant flowered phacelia Annual herb 7
Phacelia hardhamiae Hardham's gray phacelia Annual herb  
Phacelia hubbyi Hubby's phacelia Annual herb  
Phacelia ivesiana var. ivesiana Ives' phacelia Annual herb  
Phacelia keckii Santiago peak phacelia Annual herb  
Phacelia minor Wild canterbury bells Annual herb 4
Phacelia parryi Parry's phacelia Annual herb 2
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 suaveolens var. suaveolens Sweet scented phacelia Annual herb  
Phacelia tanacetifolia Tansy leafed phacelia Annual herb 14
Phacelia vallis-mortae var. vallis-mortae Death valley phacelia Annual herb  
Phacelia viscida Sticky phacelia Annual herb 4
Phalaris lemmonii Lemmon's canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Pholistoma auritum Fiesta flower Annual herb  
Pholistoma auritum var. auritum Blue fiesta flower Annual herb  
Pholistoma racemosum San diego fiesta flower Annual herb  
Physalis acutifolia Sharp leaf ground cherry Annual herb  
Physalis crassifolia Thick leaved ground cherry Annual, Perennial herb  
Plagiobothrys acanthocarpus Adobe allocarya Annual herb  
Plagiobothrys arizonicus Arizona popcorn flower Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb  
Plagiobothrys canescens var. canescens Valley popcornflower Annual herb  
Plagiobothrys catalinensis Catalina 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 fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys glomeratus Mammoth popcorn flower Annual herb  
Plagiobothrys myosotoides Forget me not popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys tenellus Slender popcorn flower 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 elongata ssp. pentasperma Five seeded plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Plantago ovata Desert plantain Annual herb 5
Plantago ovata var. insularis Desert plantain Annual herb 5
Platystemon californicus Cream cups Annual herb 2
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. insignis Showy plectritis Annual herb  
Pluchea odorata Salt marsh fleabane Annual, Perennial herb 8
Pluchea odorata var. odorata Salt marsh fleabane Annual, Perennial herb 3
Poa howellii Howell's blue grass Annual grass  
Pogogyne douglasii Douglas' pogogyne Annual herb  
Pogogyne douglasii ssp. douglasii Douglas' mesamint Annual herb  
Pogogyne douglasii ssp. parviflora Douglas's pogogyne Annual herb  
Polycarpon depressum California polycarpon Annual herb  
Polygonum douglasii ssp. austiniae Rebecca austin's knotweed Annual herb  
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. johnstonii Knotweed Annual herb  
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Proboscidea parviflora ssp. parviflora Devil's claw Annual herb  
Proboscidea parviflora var. hohokamiana Devil's claw Annual herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 11
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. globiferus Round woolly marbles Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Pterostegia drymarioides Fairy mist Annual herb  
Rafinesquia californica California chicory Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus uncinatus var. parviflorus Small flowered hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. uncinatus Woodland buttercup Annual, Perennial herb  
Rorippa curvipes var. curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvipes var. truncata Blunt 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. hispida Hispid yellow cress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden 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 9
Saltugilia australis Southern gilia Annual herb  
Salvia columbariae Chia sage Annual herb 12
Salvia columbariae var. columbariae Chia Annual herb 12
Saxifraga bryophora Bud saxifrage Annual herb  
Scirpus cernuus Low clubrush Annual grass 13
Scirpus koilolepis Keeled bulrush Annual grass  
Scirpus saximontanus Rocky mountain bulrush Annual grass  
Senecio ammophilus California coast butterweed Annual herb  
Senecio aphanactis California groundsel Annual herb  
Senecio californicus California butterweed Annual herb  
Sesbania exaltata Colorado river hemp Annual herb  
Sibara rosulata East mojave rock cress Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Sidotheca trilobata Three lobed oxytheca Annual herb  
Silene antirrhina Sleepy catch fly Annual herb  
Silene californica California indian pink Annual herb 1
Silene multinervia Fire following campion Annual herb  
Silene verecunda Dolores campion Annual herb  
Silene verecunda ssp. andersonii Anderson's campion Annual herb  
Silene verecunda ssp. platyota San francisco campion Annual herb  
Solanum americanum White nightshade Annual, Perennial herb 1
Spergularia atrosperma Sand spurrey Annual herb  
Spergularia marina Salt sand spurry Annual herb 1
Spergularia salina Salt sandspurry Annual herb 1
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  
Streptanthus breweri var. breweri Brewer's jewelflower Annual herb  
Streptanthus breweri var. hesperidis Brewer's jewelflower Annual herb  
Streptanthus glandulosus var. hoffmanii Hoffmann's jewelflower Annual herb 1
Streptanthus niger Tiburon jewel flower Annual herb  
Streptanthus tortuosus var. flavescens Yellow mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. orbiculatus Mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. suffrutescens Bush mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb  
Stylocline gnaphaloides Everlasting stylocline Annual herb  
Stylomecon heterophylla Wind poppy Annual herb 5
Suaeda calceoliformis Horned sea blite Annual herb 1
Subularia aquatica var. americana American awlwort Annual herb  
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Teucrium cubense var. densum Small coastal germander Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus laciniatus Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. hitchcockii Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. laciniatus Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. rigidus Narrow leaved lacepod Annual herb  
Tidestromia lanuginosa ssp. eliassoniana Woolly tidestromia 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 albopurpureum var. dichotomum Clover Annual herb  
Trifolium albopurpureum var. olivaceum Owl's clover Annual herb  
Trifolium barbigerum var. andrewsii Gray's clover Annual herb 1
Trifolium barbigerum var. barbigerum Bearded clover Annual herb  
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. hydrophilum Water sack clover Annual herb  
Trifolium depauperatum var. truncatum Dwarf sack clover Annual herb  
Trifolium gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. palmeri Southern island clover Annual herb  
Trifolium macraei Macrae's clover Annual herb  
Trifolium microcephalum Small head clover Annual herb 4
Trifolium obtusiflorum Creek clover Annual herb 4
Trifolium variegatum Variegated clover Annual herb 1
Trifolium willdenovii Tomcat clover Annual herb 8
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triodanis biflora Venus looking glass Annual herb  
Triodanis perfoliata Clasping venus looking glass Annual herb 1
Tropidocarpum gracile Slender tropidocarpum Annual herb  
Twisselmannia californica King's gold Annual herb  
Uropappus lindleyi Silver puffs Annual herb 1
Verbena bracteata Bracted verbena 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 7
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 1
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial3 plants
Erigeron divergens Diffuse daisy Biennial, Perennial herb 3
Gnaphalium ramosissimum Pink everlasting Biennial herb 1
Pseudognaphalium ramosissimum Pink cudweed Biennial herb 1
  Lifeform: Perennial1553 plants
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia nana ssp. covillei Coville's dwarf abronia Perennial herb  
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. breviflora Pink sand verbena Perennial herb  
Abronia umbellata ssp. umbellata Sand verbena Perennial herb  
Abronia umbellata var. umbellata Beach sand verbena Perennial herb  
Abutilon palmeri Palmer's abutilon Perennial herb 16
Achillea millefolium Yarrow Perennial herb 69
Achnatherum aridum Mormon needle grass Perennial grass  
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 latiglume Sierra needlegrass Perennial grass  
Achnatherum latiglumis Sierra needlegrass Perennial grass  
Achnatherum lemmonii Lemmon's stipa Perennial grass 2
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum lemmonii ssp. pubescens Pubescent needle grass Perennial grass  
Achnatherum lemmonii var. pubescens Pubescent 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 nevadense Sierra needlegrass Perennial grass  
Achnatherum occidentale Western needlegrass Perennial grass 2
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 pinetorum Pinewoods needlegrass Perennial grass  
Achnatherum speciosum Desert needlegrass Perennial grass 8
Achnatherum stillmanii Stillman's stipa Perennial grass 1
Achnatherum thurberianum Thurber stipa Perennial grass  
Achnatherum webberi Webber's needlegrass Perennial grass  
Acmispon glaber Deerweed Perennial herb 21
Acmispon glaber var. brevialatus Short winged deerweed Perennial herb  
Acmispon glaber var. glaber Deerweed 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 junceus Rush lotus Perennial herb 2
Acmispon junceus var. junceus Rush lotus Perennial herb  
Aconitum columbianum var. howellii Howell's monkshood Perennial herb  
Acourtia microcephala Sacapellote Perennial herb 1
Agoseris elata Tall agoseris Perennial herb  
Agoseris glauca var. agrestis Field short beaked agoseris Perennial herb  
Agoseris glauca var. laciniata False dandelion Perennial herb  
Agoseris glauca var. monticola Mountain agoseris Perennial herb  
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
Agrostis exarata Bentgrass Perennial grass 5
Agrostis exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis pallens Diego bent grass Perennial grass 15
Agrostis scabra var. geminata Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium bisceptrum var. bisceptrum Twin crest onion Perennial herb (bulb)  
Allium haematochiton Red skinned onion Perennial herb (bulb) 5
Allium marvinii Yucaipa onion Perennial herb (bulb) 5
Allium monticola San bernardino mountain 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
Ambrosia bipinnatifida Beach bur Perennial herb 10
Ambrosia chamissonis Silver beachweed Perennial herb 10
Ambrosia confertiflora Weak leaved burweed Perennial herb  
Ambrosia psilostachya Ragweed Perennial herb 6
Ambrosia salsola var. fasciculata Burrobrush Perennial herb  
Andropogon glomeratus Bushy bluestem Perennial grass 2
Anemopsis californica Yerba mansa Perennial herb 31
Antennaria lanata Woolly pussy toes Perennial herb  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 10
Arabis Xdivaricarpa Hybrid drummond's rock cress Perennial herb  
Arabis bodiensis Bodie hills rock cress Perennial herb  
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. austiniae Rebecca austin's rock cress Perennial herb  
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Arabis breweri var. pecuniaria San bernardino rock cress Perennial herb  
Arabis cobrensis Masonic rock cress Perennial herb  
Arabis constancei Constance's rock cress Perennial herb  
Arabis davidsonii Davidson's rock cress Perennial herb  
Arabis dispar Pinyon rock cress Perennial herb  
Arabis drummondii Drummond's rock cress Perennial herb  
Arabis fernaldiana var. stylosa Stylose rock cress Perennial herb  
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 glaucovalvula Blue podded rock cress Perennial herb  
Arabis hirshbergiae Cuyamaca rockcress Perennial herb  
Arabis hirsuta Hairy rock cress Perennial herb 1
Arabis hirsuta var. glabrata Mountain rock cress Perennial herb  
Arabis hirsuta var. pycnocarpa Hairy fruit rock cress Perennial herb  
Arabis hoffmannii Hoffmann's rock cress Perennial herb  
Arabis holboellii var. pendulocarpa Weeping fruited 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 inyoensis Inyo rock cress Perennial herb  
Arabis johnstonii Johnston's rock cress Perennial herb  
Arabis koehleri Koehler's rockcress Perennial herb  
Arabis koehleri var. stipitata Koehler's stipitate rock cress Perennial herb  
Arabis lemmonii Lemmon's rock cress Perennial herb  
Arabis lemmonii var. depauperata Depauperate rockcress Perennial herb  
Arabis lemmonii var. lemmonii Lemmon's rock cress Perennial herb  
Arabis lyallii Lyall's rock cress Perennial herb 1
Arabis lyallii var. lyallii Lyall's rockcress Perennial herb  
Arabis lyallii var. nubigena Lyall's cloud cress Perennial herb  
Arabis macdonaldiana Mcdonald's rock cress Perennial herb  
Arabis microphylla Littleleaf rockcress Perennial herb  
Arabis microphylla var. microphylla Small leaved rock cress Perennial herb  
Arabis parishii Parish's rock cress Perennial herb  
Arabis pendulina Rabbitear rockcress Perennial herb  
Arabis perennans Rock cress Perennial herb  
Arabis pinzliae Pinzl's rock cress Perennial herb  
Arabis platysperma Broad seeded rock cress Perennial herb  
Arabis platysperma var. howellii Howell's rockcress Perennial herb  
Arabis platysperma var. platysperma Broad seeded rock cress Perennial herb  
Arabis puberula Blue mountain 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. munciensis Darwin rock cress Perennial herb  
Arabis pulchra var. pulchra Beautiful rock cress Perennial herb 2
Arabis pygmaea Tulare county rock cress Perennial herb  
Arabis rectissima Bristlyleaf rockcress Perennial herb  
Arabis rectissima var. rectissima Bristly leaved rock cress Perennial herb  
Arabis repanda var. repanda Repand rock cress Perennial herb  
Arabis rollei Siskiyou rock cress Perennial herb  
Arabis serpentinicola Preston peak rock cress Perennial herb  
Arabis shockleyi Shockley's rock cress Perennial herb  
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
Arabis sparsiflora var. subvillosa Hairy stemmed elegant rock cress Perennial herb  
Arabis subpinnatifida Klamath rockcress Perennial herb  
Arabis suffrutescens Woody rock cress Perennial herb  
Arabis suffrutescens var. suffrutescens Woody rockcress Perennial herb  
Arabis tiehmii Tiehm's rock cress Perennial herb  
Aralia californica California spikenard Perennial herb 17
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar 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)  
Arenaria aculeata Prickly sandwort Perennial herb  
Arenaria congesta Capitate sandwort Perennial herb 1
Arenaria congesta var. charlestonensis Charleston mountains sandwort Perennial herb  
Arenaria congesta var. congesta Capitate sandwort Perennial herb  
Arenaria congesta var. crassula Rough sandwort Perennial herb  
Arenaria congesta var. simulans Capitate sandwort Perennial herb  
Arenaria congesta var. subcongesta Capitate sandwort Perennial herb  
Arenaria congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Arenaria kingii ssp. compacta King's sandwort Perennial herb  
Arenaria kingii var. glabrescens King's smooth sandwort Perennial herb  
Arenaria lanuginosa ssp. saxosa Spreading sandwort Perennial herb  
Arenaria macradenia Sandwort Perennial herb  
Arenaria macradenia ssp. ferrisiae Ferris' sandwort Perennial herb  
Arenaria macradenia var. arcuifolia Desert sandwort Perennial herb  
Arenaria macradenia var. kuschei Forest camp sandwort Perennial herb  
Arenaria macradenia var. macradenia Desert sandwort Perennial herb  
Arenaria pumicola var. californica Pumice sandwort Perennial herb  
Arenaria ursina Big bear valley sandwort Perennial herb  
Argyranthemum foeniculum Dill daisy Perennial herb  
Aristida californica var. californica California three aw Perennial grass  
Aristida orcuttiana Orcutt's threeawn Perennial grass  
Aristida purpurea Purple three awn Perennial grass 18
Aristida purpurea var. parishii Parish three awn Perennial grass  
Aristida purpurea var. purpurea Purple three awn Perennial grass 2
Aristida ternipes Spidergrass Perennial grass 2
Aristida ternipes var. gentilis Spidergrass Perennial grass 2
Arnica Xdiversifolia Rayless arnica Perennial herb  
Arnica amplexicaulis Streambank arnica Perennial herb 3
Arnica chamissonis ssp. foliosa Meadow arnica Perennial herb 5
Arnica cordifolia var. cordifolia Heart leaved arnica Perennial herb  
Arnica cordifolia var. pumila Dwarf heart leaved arnica Perennial herb 1
Arnica discoidea Rayless arnica Perennial herb  
Arnica diversifolia Lawless arnica Perennial herb  
Arnica parryi ssp. parryi Parry's arnica Perennial herb  
Arnica tomentella Recondite arnica Perennial herb 1
Artemisia campestris ssp. borealis Northern sagewort Perennial herb  
Artemisia campestris var. scouleriana Field sagewort Perennial herb  
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia dracunculus Tarragon Perennial herb 12
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Aruncus dioicus var. pubescens Goats beard Perennial herb 4
Asclepias californica California milkweed Perennial herb 6
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 6
Asclepias cryptoceras ssp. davisii Davis' humboldt mountains milkweed Perennial herb  
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias vestita var. parishii Parish's woolly milkweed Perennial herb  
Aster alpigenus var. andersonii Alpine aster Perennial herb 1
Aster ascendens Long leaved aster Perennial herb  
Aster bernardinus San bernardino aster Perennial herb  
Aster breweri Brewer's aster Perennial herb  
Aster brickellioides Rayless leafy aster Perennial herb  
Aster campestris Western meadow aster Perennial herb  
Aster chilensis California aster Perennial herb 37
Aster eatonii Eaton's aster Perennial herb 2
Aster engelmannii Engelmann's aster Perennial herb 2
Aster foliaceus Leafy aster Perennial herb 2
Aster foliaceus var. apricus Parry's leafy aster Perennial herb 1
Aster foliaceus var. lyallii Lyall's leafy aster Perennial herb  
Aster foliaceus var. parryi Parry's aster Perennial herb 1
Aster greatae Greata's aster Perennial herb (rhizomatous)  
Aster integrifolius Entire leaved aster Perennial herb  
Aster lanceolatus ssp. hesperius Western lance leaf aster Perennial herb  
Aster ledophyllus Cascade aster Perennial herb  
Aster lentus Suisun marsh aster Perennial herb (rhizomatous) 2
Aster occidentalis Western mountain aster Perennial herb 1
Aster occidentalis var. occidentalis Western mountain aster Perennial herb  
Aster occidentalis var. yosemitanus Western bog aster Perennial herb  
Aster oregonensis Oregon aster Perennial herb  
Aster pauciflorus Marsh alkali aster Perennial herb  
Aster peirsonii Peirson's oreastrum aster Perennial herb  
Aster radulinus Rough leaved aster Perennial herb 2
Aster scopulorum Lava aster Perennial herb  
Astragalus brauntonii Braunton's milk vetch Perennial herb  
Astragalus monoensis var. monoensis Mono milk vetch Perennial herb  
Astragalus monoensis var. ravenii Raven's milk vetch Perennial herb  
Astragalus oxyphysus Mt. Diablo milk vetch Perennial herb  
Astragalus pachypus Thick pod milk vetch 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 7
Atriplex watsonii Watson's saltbush Perennial herb 3
Baccharis douglasii Salt marsh baccharis Perennial herb 16
Baccharis glutinosa Salt Marsh baccharis Perennial herb 29
Bahia dissecta Ragged leaf bahia Perennial herb  
Baileya multiradiata Desert marigold Perennial herb 19
Baileya multiradiata var. multiradiata Wild marigold Perennial herb 19
Balsamorhiza hookeri var. lanata Woolly balsamroot Perennial herb  
Balsamorhiza macrolepis var. macrolepis Big scale balsamroot Perennial herb  
Balsamorhiza macrolepis var. platylepis Flat scale balsam root Perennial herb 1
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens cernua var. cernua Nodding bur marigold Perennial herb  
Bidens laevis Bur marigold Perennial herb 3
Bloomeria crocea Golden stars Perennial herb 10
Bloomeria crocea var. crocea Common goldenstar Perennial herb 1
Boechera microphylla var. microphylla Small-leaved rock cress Perennial herb  
Boerhavia coccinea Red boerhaavia Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 15
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 14
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Boschniakia hookeri Small groundcone Perennial herb (parasitic)  
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Bothriochloa barbinodis Beard grass Perennial grass 7
Boykinia rotundifolia Round leaved boykinia Perennial herb 2
Brickellia californica California brickellia Perennial herb 14
Brickellia californica var. californica California brickellbush Perennial herb 2
Brickellia watsonii Watson's brickellia Perennial herb  
Brodiaea californica var. californica California brodiaea Perennial herb 7
Brodiaea californica var. leptandra Sonoma brodiaea Perennial herb 1
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea filifolia Thread leaved brodiaea Perennial herb (bulb) 2
Brodiaea jolonensis Jolon brodiaea Perennial herb 1
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. kernensis Kern dwarf brodiaea Perennial herb  
Bromus anomalus Nodding brome Perennial grass 1
Bromus carinatus California bromegrass Perennial grass 22
Bromus carinatus var. carinatus California brome Perennial grass 22
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus carinatus var. maritimus Seaside brome Perennial grass 1
Bromus ciliatus var. ciliatus Fringed brome Perennial grass 2
Bromus grandis Tall brome Perennial grass  
Bromus marginatus Mountain brome Perennial grass 6
Bromus porteri Nodding brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Callitriche hermaphroditica Northern water starwort Perennial herb  
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 albus var. rubellus Pink fairy lanterns Perennial herb 6
Calochortus catalinae Catalina mariposa Perennial herb (bulb) 3
Calochortus invenustus Plain mariposa Perennial herb 2
Calochortus plummerae Plummer's mariposa lily Perennial herb (bulb) 1
Calochortus splendens Splendid mariposa Perennial herb 4
Calochortus weedii Weed's mariposa Perennial herb 1
Calochortus weedii var. intermedius Intermediate mariposa lily Perennial herb (bulb) 1
Calochortus weedii var. vestus Late flowered mariposa lily Perennial herb (bulb) 1
Calochortus weedii var. weedii Weed's mariposa Perennial herb 1
Caltha leptosepala var. biflora Marsh marigold Perennial herb 3
Calystegia macrostegia Island morning glory Perennial herb, Vine 16
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 occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern morning glory Perennial herb  
Calystegia sepium Western hedge bindweed Perennial herb 1
Calystegia sepium ssp. binghamiae Santa barbara morning glory Perennial herb (rhizomatous)  
Calystegia sepium ssp. limnophila Marsh morning glory Perennial herb  
Calystegia soldanella Beach morning glory Perennial herb 3
Camassia quamash ssp. quamash Common camas Perennial herb 3
Camissonia cheiranthifolia Beach evening primrose Perennial herb 12
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 3
Camissonia cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Camissonia ovata Sun cup Perennial herb 2
Camissonia subacaulis Long leaved suncup Perennial herb  
Camissonia tanacetifolia Tansy leaf evening primrose Perennial herb  
Camissonia tanacetifolia ssp. quadriperforata Sierra valley evening primrose Perennial herb  
Camissonia tanacetifolia ssp. tanacetifolia Tansy leaved suncup Perennial herb  
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 13
Camissoniopsis cheiranthifolia ssp. suffruticosa Shrubby beach primrose Perennial herb  
Campanula prenanthoides Nodding harebell Perennial herb 2
Cardamine breweri var. breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. orbicularis Heart leaved bitter cress Perennial herb  
Cardamine californica Bitter cress Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. cardiophylla Milk maids Perennial herb  
Cardamine californica var. cuneata Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine californica var. sinuata Milk maids Perennial herb  
Cardamine cordifolia var. lyallii Lyall's bitter cress Perennial herb  
Cardamine nuttallii var. covilleana Coville's toothwort Perennial herb  
Cardamine nuttallii var. dissecta Tooth leaved nuttall's toothwort Perennial herb  
Cardamine nuttallii var. nuttallii Nuttall's toothwort Perennial herb  
Cardamine pachystigma var. pachystigma Rock toothwort Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
Carex alma Sedge Perennial grass  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex barbarae Valley sedge Perennial grass 24
Carex bella Southwestern showy sedge Perennial grass  
Carex breweri var. breweri Brewer's sedge Perennial grass  
Carex capitata ssp. capitata Capitate sedge Perennial grass  
Carex constanceana Contance's sedge Perennial grass  
Carex deweyana Dewey sedge Perennial grass 5
Carex deweyana ssp. leptopoda Dewey's taper fruit sedge Perennial grass 3
Carex dudleyi Dudley's sedge Perennial grass 9
Carex eleocharis Spikerush sedge Perennial grass (rhizomatous)  
Carex garberi Garber's sedge Perennial grass  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex heteroneura var. epapillosa Smooth nerve sedge Perennial grass  
Carex heteroneura var. heteroneura Vari nerved sedge Perennial grass  
Carex incurviformis var. danaensis Coastal sand sedge Perennial grass (rhizomatous)  
Carex luzulina var. ablata American cold loving sedge Perennial grass  
Carex luzulina var. luzulina Wood rush sedge Perennial grass  
Carex ovalis Egg sedge Perennial grass 1
Carex pellita Woolly sedge Perennial grass 7
Carex praegracilis Field sedge Perennial grass 28
Carex pyrenaica Pyrenean sedge Perennial grass  
Carex pyrenaica ssp. pyrenaica Pyrenean sedge Perennial grass  
Carex schottii Schott's sedge Perennial grass  
Carex scirpoidea var. pseudoscirpoidea Western single spike sedge Perennial grass  
Carex spissa San Diego sedge Perennial grass 14
Carex subfusca Brown sedge Perennial grass 7
Carex triquetra Triangular fruit sedge Perennial grass  
Carex vesicaria var. major Western blister sedge Perennial grass 2
Carex vesicaria var. vesicaria Inflated sedge Perennial grass 2
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Wight's indian paint brush 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 foliolosa Texas paintbrush Perennial herb 3
Castilleja gleasonii Mt. gleason indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hispida ssp. brevilobata Short lobed indian paintbrush Perennial herb (hemiparasitic)  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja lanata ssp. hololeuca White felted indian paintbrush Perennial herb (hemiparasitic)  
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja parviflora var. parviflora Smallflower indian paintbrush Perennial herb  
Caulanthus crassicaulis var. crassicaulis Thick stemmed caulanthus Perennial herb  
Caulanthus crassicaulis var. glaber Smooth thick stemmed caulanthus Perennial herb  
Caulanthus major var. major Slender wild cabbage Perennial herb  
Caulostramina jaegeri Jaeger's caulostramina Perennial herb  
Centaurium namophilum var. namophilum Spring loving centaury Perennial herb  
Cerastium beeringianum ssp. earlei Bering chickweed Perennial herb 1
Cerastium beeringianum var. capillare Mouse ear chickweed Perennial herb 1
Ceratophyllum demersum Hornwort Perennial herb 1
Chamaesyce albomarginata Rattlesnake weed Perennial herb  
Chamaesyce arizonica Arizona spurge Perennial herb  
Chamaesyce fendleri Fendler's 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  
Chamaesyce vallis-mortae Death valley spurge Perennial herb  
Chenopodium californicum California goosefoot Perennial herb 1
Chlorogalum parviflorum Small flowered soaproot Perennial herb  
Chlorogalum pomeridianum Amole Perennial herb 19
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Chrysothamnus albidus White flowered rabbitbrush Perennial herb  
Chrysothamnus gramineus Panamint rock goldenrod Perennial herb  
Chrysothamnus paniculatus Blackbanded rabbit brush Perennial herb 1
Cicuta maculata Water hemlock Perennial herb 1
Cicuta maculata var. bolanderi Saltmarsh water hemlock Perennial herb  
Cicuta maculata var. maculata Spotted water hemlock Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium canovirens Gray green thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium loncholepis La graciosa 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 occidentale var. venustum Coulter's thistle Perennial herb  
Cirsium subniveum Jackson hole thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 28
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clematis ligusticifolia var. brevifolia Western white clematis Perennial herb, Vine 33
Clematis ligusticifolia var. californica California clematis Perennial herb, Vine 33
Clematis ligusticifolia var. ligusticifolia Western white clematis Perennial herb, Vine 33
Clematis pauciflora Virgin's bower Perennial herb, Vine 1
Clinopodium chandleri San miguel savory Perennial herb 6
Corallorhiza striata var. striata Hooded coralroot Perennial herb  
Corallorhiza striata var. vreelandii Striped coral root Perennial herb  
Coreopsis maritima Sea dahlia Perennial herb 6
Corethrogyne filaginifolia Common sandaster Perennial herb 20
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 19
Corethrogyne filaginifolia var. incana San diego sand aster Perennial herb 9
Corethrogyne filaginifolia var. linifolia Del mar mesa sand aster Perennial herb 9
Corethrogyne leucophylla Branching beach aster Perennial herb 9
Cressa truxillensis Alkali weed Perennial herb 3
Croton californicus Desert croton Perennial herb 5
Cryptantha sobolifera Sierra perennial cryptantha Perennial herb  
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cylindropuntia Xmunzii Munz's cholla Perennial herb (stem succulent) 2
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) 2
Cynanchum utahense Vine milkweed Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 13
Cyperus esculentus Nut grass Perennial grass  
Cyperus laevigatus Smooth cyperus Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Danthonia californica var. americana American oatgrass Perennial grass 21
Danthonia californica var. californica California oatgrass Perennial grass 21
Datisca glomerata Durango root Perennial herb 2
Datura inoxia ! Pricklyburr Perennial herb 6
Datura wrightii Jimsonweed Perennial herb 14
Delphinium cardinale Scarlet larkspur Perennial herb 6
Delphinium gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb 1
Delphinium inflexum Hybrid parry's larkspur Perennial herb 6
Delphinium parryi San bernardino larkspur Perennial herb 1
Delphinium parryi ssp. parryi San bernardino larkspur Perennial herb  
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. hepaticoideum Spreading larkspur Perennial herb  
Delphinium variegatum f. superbum Royal larkspur Perennial herb  
Deschampsia atropurpurea Mountain hair grass Perennial grass 1
Descurainia californica Sierra tansy mustard Perennial herb  
Descurainia obtusa ssp. adenophora White tansy mustard Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 4
Dicentra ochroleuca Yellow bleeding heart Perennial herb  
Dichanthelium lanuginosum var. thermale Geysers dichanthelium Perennial grass  
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 3
Dichondra occidentalis Western dichondra Perennial herb (rhizomatous) 2
Diplacus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Disporum hookeri Fairy bells Perennial herb 11
Disporum smithii Fairy lantern Perennial herb 5
Distichlis littoralis Shore grass Perennial grass 1
Distichlis spicata Salt grass Perennial grass 24
Ditaxis californica California ditaxis Perennial herb  
Ditaxis clariana Glandular ditaxis Perennial herb  
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon clevelandii Padre's shooting star Perennial herb 9
Dodecatheon clevelandii ssp. clevelandii Cleveland's shooting star Perennial herb  
Dodecatheon clevelandii ssp. insulare Padre's shooting star Perennial herb 2
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
Dodecatheon clevelandii ssp. sanctarum Padre's shooting star Perennial herb  
Dodecatheon conjugens Bonneville shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 10
Dodecatheon jeffreyi Jeffrey's shooting star Perennial herb 3
Dodecatheon pulchellum Dark throated shooting star Perennial herb 6
Dodecatheon redolens Scented shooting star Perennial herb  
Dodecatheon subalpinum Sierra shooting star Perennial herb  
Draba breweri var. breweri Cushion draba Perennial herb  
Draba breweri var. cana Hoary draba Perennial herb  
Draba corrugata var. corrugata Southern california draba Perennial herb  
Draba corrugata var. saxosa Southern california rock draba Perennial herb  
Draba lemmonii var. lemmonii Lemmon's draba Perennial herb  
Draba lonchocarpa var. lonchocarpa Spear fruited draba Perennial herb  
Draba oligosperma var. oligosperma Few seeded draba Perennial herb  
Draba oligosperma var. subsessilis Alpine few seeded draba Perennial herb  
Draba paysonii var. treleasei Trelease's draba Perennial herb  
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. wrangelliana Sticky cinquefoil Perennial herb  
Dudleya abramsii ssp. parva Conejo dudleya Perennial herb  
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 caespitosa Sand lettuce Perennial herb 10
Dudleya calcicola Limestone dudleya Perennial herb  
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. costafolia Pierpoint springs dudleya Perennial herb  
Dudleya cymosa ssp. ovatifolia Santa monica mtns. dudleya Perennial herb  
Dudleya cymosa ssp. pumila Low canyon dudleya Perennial herb 2
Dudleya edulis Fingertips Perennial herb 8
Dudleya hassei Hasse's dudleya Perennial herb 9
Dudleya lanceolata Southern california dudleya Perennial herb 15
Dudleya multicaulis Many stemmed dudleya Perennial herb  
Dudleya palmeri Palmer's dudleya Perennial herb 5
Dudleya pulverulenta Chalk dudleya Perennial herb 14
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya Perennial herb 1
Dudleya pulverulenta ssp. pulverulenta California chalk lettuce Perennial herb 15
Dudleya setchellii Santa clara valley dudleya Perennial herb 2
Dudleya stolonifera Laguna beach dudleya Perennial herb 1
Dudleya viscida Sticky dudleya Perennial herb 1
Dugaldia hoopesii Hoope's sneezeweed Perennial herb 6
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 4
Ehrendorferia ochroleuca Yellow bleeding heart Perennial herb  
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. 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 radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass  
Elymus Xgouldii Many flowered wild rye Perennial grass  
Elymus condensatus Giant wild rye Perennial grass 31
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 glaucus Blue wildrye Perennial grass 34
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 3
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 3
Elymus glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus stebbinsii ssp. stebbinsii Parish wheatgrass Perennial grass  
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus triticoides Beardless wild rye Perennial grass 31
Elytrigia juncea Russian wheatgrass Perennial grass  
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 1
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 51
Epilobium canum ssp. angustifolium Hummingbird trumpet Perennial herb 21
Epilobium canum ssp. canum California fuchsia Perennial herb 11
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 ciliatum ssp. watsonii Willow herb Perennial herb  
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium latifolium River beauty Perennial herb 3
Epipactis gigantea Stream orchid Perennial herb 15
Eriastrum densifolium Giant eriastrum Perennial herb 4
Eriastrum densifolium ssp. austromontanum Southern mountain eriastrum Perennial herb 1
Eriastrum densifolium ssp. sanctorum Santa ana river woollystar Perennial herb  
Erigeron acris Bitter fleabane Perennial herb  
Erigeron angustatus Narrow leaved daisy Perennial herb  
Erigeron austiniae Rebecca austin's fleabane Perennial herb  
Erigeron breweri var. klamathensis Klamath fleabane Perennial herb  
Erigeron compactus var. compactus Cushion daisy Perennial herb  
Erigeron decumbens var. robustior Robust daisy Perennial herb  
Erigeron disparipilus White cushion 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 lobatus Lobed fleabane Perennial herb 3
Erigeron nevadincola Nevada daisy Perennial herb  
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron peregrinus var. hirsutus Wandering fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron pumilus ssp. intermedius Shaggy fleabane Perennial herb  
Erigeron pumilus var. gracilior Shaggy fleabane Perennial herb  
Eriodictyon parryi Poodle-dog bush Perennial herb 1
Eriogonum beatleyae Beatley's buckwheat Perennial herb  
Eriogonum crosbyae Crosby's buckwheat Perennial herb  
Eriogonum douglasii var. douglasii Douglas' buckwheat Perennial herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 4
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 5
Eriogonum ericifolium var. thornei Thorne's buckwheat Perennial herb  
Eriogonum inflatum var. deflatum Deflated desert trumpet Perennial herb  
Eriogonum inflatum var. inflatum Desert trumpet Perennial herb  
Eriogonum lobbii var. lobbii Lobb's buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 23
Eriogonum ochrocephalum var. alexanderae Alexander's buckwheat Perennial herb  
Eriogonum panamintense var. mensicola Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum panamintense var. panamintense Panamint mountain buckwheat Perennial herb, Shrub  
Eriogonum saxatile Rock buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 5
Eriogonum wrightii var. subscaposum Wright's buckwheat Perennial herb, Shrub 2
Erioneuron pulchellum Fluff grass Perennial grass  
Eriophorum criniger Cotton grass Perennial grass  
Eriophorum crinigerum Fringed cottongrass Perennial grass  
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium pendletonensis Pendleton's eryngo Perennial herb  
Erysimum argillosum Western wallflower Perennial herb  
Erysimum capitatum Wallflower Perennial herb 11
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. perenne Sanddune wallflower Perennial herb  
Erysimum franciscanum var. crassifolium San francisco wallflower Perennial herb 10
Erysimum insulare ssp. insulare Island wallflower Perennial herb  
Erysimum insulare ssp. suffrutescens Suffrutescent wallflower Perennial herb 4
Erysimum insulare var. grandifolium Island wallflower Perennial herb  
Erysimum menziesii ssp. concinnum Headland wallflower Perennial herb 10
Erysimum menziesii ssp. eurekense Humboldt bay wallflower Perennial herb 6
Erysimum menziesii ssp. menziesii Menzies's wallflower Perennial herb  
Erysimum menziesii ssp. yadonii Yadon's wallflower Perennial herb 6
Erythranthe cardinalis Cardinal monkey flower Perennial herb 42
Erythronium grandiflorum var. pallidum California glacier lily Perennial herb (bulb)  
Erythronium multiscapoideum Sierra fawn lily Perennial herb (bulb) 4
Eschscholzia californica ssp. californica California poppy Perennial herb 3
Eschscholzia procera Kernville poppy Perennial herb 3
Euphorbia albomarginata Rattlesnake sandmat Perennial herb  
Euphorbia incisa Mojave spurge Perennial herb  
Euphorbia palmeri Woodland spurge Perennial herb  
Euphorbia polycarpa Smallseed sandmat Perennial herb  
Eurybia radulina Roughleaf aster Perennial herb 2
Euthamia occidentalis Western goldenrod Perennial herb 14
Extriplex californica California orach Perennial herb 1
Fagonia longipes Long leaf fagonia Perennial herb  
Festuca brachyphylla ssp. coloradensis Colorado fescue Perennial grass  
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. californica Perennial grass 6
Festuca californica ssp. hitchcockiana Perennial grass  
Festuca californica ssp. parishii Perennial grass  
Festuca californica var. parishii California fescue Perennial grass  
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 50
Festuca roemeri var. roemeri Perennial grass 50
Festuca rubra Red fescue Perennial grass 39
Festuca saximontana var. purpusiana Rocky mountain fescue Perennial grass 1
Fragaria chiloensis ssp. lucida Beach strawberry Perennial herb 37
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca ssp. bracteata Woodland strawberry Perennial herb 34
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Frasera parryi Coahuila frasera Perennial herb  
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 5
Fritillaria affinis var. tristulis Coast checker lily Perennial herb (bulb) 5
Fritillaria biflora Chocolate lily Perennial herb 3
Fritillaria biflora var. biflora Chocolate lily Perennial herb (bulb) 3
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
Galium ambiguum var. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum var. siskiyouense Siskiyou bedstraw Perennial herb  
Galium andrewsii Phlox leaved bedstraw Perennial herb  
Galium andrewsii ssp. andrewsii Phlox leaved bedstraw Perennial herb  
Galium angustifolium Narrow leaved bedstraw Perennial herb 4
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw Perennial herb  
Galium boreale ssp. septentrionale Northern bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican bedstraw Perennial herb  
Galium nuttallii Climbing bedstraw Perennial herb  
Galium nuttallii ssp. nuttallii Climbing bedstraw Perennial herb  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum var. pacificum Bedstraw Perennial herb  
Galium trifidum var. pusillum Small bedstraw Perennial herb  
Galvezia speciosa Island snapdragon Perennial herb, Shrub 31
Geranium concinnum California mountain geranium Perennial herb  
Gilia ripleyi Ripley's gilia Perennial herb  
Glaux maritima Sea milk wort Perennial herb  
Glyceria davyi Davy mannagrass Perennial grass  
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Glycyrrhiza lepidota Lichorice Perennial herb 1
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 15
Grindelia camporum var. bracteosa Bract gumweed Perennial herb 14
Grindelia camporum var. camporum Great valley gumweed Perennial herb 15
Grindelia fraxino-pratensis Ash meadows gumplant Perennial herb  
Grindelia hirsutula Gumweed Perennial herb 12
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 14
Grindelia hirsutula var. hallii San diego gumplant Perennial herb  
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb 13
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 6
Halimolobos virgata Virgate halimolobos Perennial herb  
Hedeoma nana var. californica California mock pennyroyal Perennial herb  
Hedeoma nanum var. californicum Mock pennyroyal Perennial herb  
Helenium autumnale var. grandiflorum Large flowered autumn sneezeweed Perennial herb 8
Helenium autumnale var. montanum Montane autumn sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 9
Helianthus californicus California sunflower Perennial herb 6
Helianthus gracilentus Slender sunflower Perennial herb 4
Helianthus nuttallii Nuttall's sunflower Perennial herb  
Helianthus nuttallii ssp. nuttallii Nuttall's sunflower Perennial herb  
Helianthus nuttallii ssp. parishii Los angeles sunflower Perennial herb (rhizomatous)  
Heliotropium curassavicum Chinese parsley Perennial herb 7
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 1
Heliotropium procumbens var. procumbens Fourspike heliotrope Perennial herb  
Heracleum lanatum Cow parsnip Perennial herb 20
Hesperostipa comata Needle & thread grass Perennial grass 10
Hesperostipa comata ssp. comata Needle & thread grass Perennial grass 1
Hesperostipa comata ssp. intermedia Intermediate needle & thread grass Perennial grass  
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 sessiliflora var. bolanderoides False bolander's goldenaster Perennial herb  
Heterotheca subaxillaris Camphorweed Perennial herb 1
Heterotheca villosa Hairy goldenaster Perennial herb 12
Heterotheca villosa var. hispida Hairy goldenaster Perennial herb  
Heterotheca villosa var. minor Hairy false goldenaster Perennial herb  
Heterotheca villosa var. shevockii Shevock's hairy golden aster Perennial herb  
Heterotheca villosa var. villosa Hairy goldenaster Perennial herb 3
Heuchera alpestris Parish's alumroot Perennial herb 2
Heuchera cespitosa Tufted alumroot Perennial herb 2
Heuchera cylindrica var. alpina Alpine alumroot Perennial herb 8
Heuchera duranii Duran's alumroot Perennial herb (rhizomatous)  
Heuchera elegans Urn flowered alumroot Perennial herb (rhizomatous) 4
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 32
Heuchera micrantha var. erubescens Crevice alumroot Perennial herb 31
Heuchera micrantha var. macropetala Crevice alumroot Perennial herb 31
Heuchera micrantha var. micrantha Crevice alumroot Perennial herb 32
Heuchera pilosissima var. pilosissima Seaside alumroot Perennial herb 8
Heuchera pringlei Merriam's alumroot Perennial herb 1
Heuchera rubescens var. alpicola Allum root Perennial herb 6
Heuchera rubescens var. glandulosa Pink alumroot Perennial herb 6
Heuchera rubescens var. rydbergiana Pink alumroot Perennial herb 6
Hieracium argutum Hawkweed Perennial herb  
Hieracium gracile Alpine hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hierochloe occidentalis Western sweetgrass Perennial grass 6
Hierochloe odorata Vanilla grass Perennial grass (rhizomatous) 8
Hoffmannseggia glauca Hoffmanseggia Perennial herb  
Hoita macrostachya California hemp Perennial herb 5
Hoita orbicularis Creeping leather root Perennial herb 2
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Horkelia californica ssp. californica California horkelia Perennial herb  
Horkelia californica ssp. dissita California horkelia Perennial herb  
Horkelia californica ssp. frondosa California horkelia Perennial herb  
Horkelia congesta ssp. nemorosa Josephine horkelia Perennial herb  
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 ssp. sericea Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. cuneata Wedge leaved horkelia Perennial herb 1
Horkelia cuneata var. puberula Mesa horkelia Perennial herb  
Horkelia fusca ssp. capitata Dark horkelia Perennial herb  
Horkelia fusca ssp. parviflora Dusky horkelia Perennial herb  
Horkelia fusca ssp. tenella Pinewoods horkelia Perennial herb  
Horkelia tridentata ssp. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. tridentata Three toothed horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 5
Hosackia crassifolius Lotus Perennial herb 1
Hosackia crassifolius var. otayensis Otay mountain lotus Perennial herb 1
Hulsea heterochroma Red rayed hulsea Perennial herb 1
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle umbellata Marsh pennywort Perennial herb  
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Hydrophyllum capitatum var. alpinum Woolen breeches Perennial herb  
Hymenoxys acaulis var. arizonica Arizona hymenoxys Perennial herb 1
Hymenoxys cooperi var. canescens Gray cooper's goldflower Perennial herb  
Hymenoxys cooperi var. cooperi Cooper's rubberweed 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 aggregata ssp. formosissima Western scarlet gilia Perennial herb  
Ipomopsis congesta ssp. palmifrons Ball headed gilia Perennial herb  
Isopyrum occidentale Western false rue anemone Perennial herb  
Isopyrum stipitatum Siskiyou rue anemone Perennial herb  
Iva axillaris Povertyweed Perennial herb  
Iva axillaris ssp. robustior Poverty weed Perennial herb  
Iva hayesiana San diego marsh elder Perennial herb 13
Ivesia lycopodioides ssp. lycopodioides Clubmoss ivesia Perennial herb  
Ivesia lycopodioides ssp. megalopetala Clubmoss ivesia Perennial herb  
Ivesia lycopodioides ssp. scandularis Clubmoss ivesia Perennial herb  
Jaumea carnosa Marsh jaumea Perennial herb 9
Jepsonia parryi Parry's jepsonia Perennial herb  
Juncus acutus Spiny rush Perennial grass (rhizomatous) 14
Juncus acutus ssp. leopoldii Wire grass Perennial grass (rhizomatous) 2
Juncus balticus Wire rush Perennial grass 21
Juncus balticus ssp. ater Baltic rush Perennial grass 1
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus covillei var. covillei Coville's rush Perennial grass  
Juncus covillei var. obtusatus Coville's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 42
Juncus effusus ssp. austrocalifornicus Common bog rush Perennial grass  
Juncus effusus var. brunneus Common bog rush Perennial grass 3
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus effusus var. gracilis Slender common rush Perennial grass  
Juncus effusus var. pacificus Pacific bog rush Perennial grass 7
Juncus falcatus var. falcatus Sickle leafed rush Perennial grass  
Juncus lesueurii Dune rush Perennial grass 2
Juncus macrophyllus Rush Perennial grass 1
Juncus marginatus var. marginatus Red anthered rush Perennial grass (rhizomatous)  
Juncus mexicanus Mexican rush Perennial grass 11
Juncus oxymeris Pointed rush Perennial grass 1
Juncus patens Rush Perennial grass 47
Juncus phaeocephalus Brown headed rush Perennial grass 10
Juncus phaeocephalus var. phaeocephalus Brown headed rush Perennial grass  
Juncus rugulosus Wrinkled rush Perennial grass  
Juncus textilis Basket rush Perennial grass 8
Juncus torreyi Torrey's rush Perennial grass 5
Juncus xiphioides Iris leaved rush Perennial grass 15
Kobresia bellardii Seep kobresia Perennial grass (rhizomatous)  
Kochia californica Mojave red sage Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kumlienia hystricula Waterfall false buttercup Perennial herb  
Lactuca tatarica var. pulchella Blue lettuce Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea 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
Leersia oryzoides Rice cutgrass Perennial grass 2
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lepidium fremontii var. fremontii Desert pepper grass Perennial herb 4
Lepidium fremontii var. stipitatum Desert pepper grass Perennial herb 4
Lepidium montanum var. canescens Mountain pepper grass Perennial herb 1
Lepidium montanum var. cinereum Mountain pepper grass Perennial herb 1
Lepidium montanum var. montanum Mountain pepper grass Perennial herb 1
Lepidium ramosissimum var. bourgeauanum Branched pepper grass Perennial herb  
Leptodactylon jaegeri Jaeger's prickly phlox 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  
Lesquerella kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. bernardina San bernardino mtns. bladderpod Perennial herb  
Lesquerella kingii ssp. kingii King's bladderpod Perennial herb  
Lesquerella kingii ssp. latifolia Limestone bladderpod Perennial herb  
Lesquerella occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Lessingia filaginifolia Common california aster Perennial herb 23
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia leana Quill leaved lewisia Perennial herb 2
Leymus Xmultiflorus Many flowered wild rye Perennial grass  
Leymus Xvancouverensis Vancouver wild rye Perennial grass  
Leymus cinereus Giant wild rye Perennial grass 8
Leymus condensatus Giant rye grass Perennial grass 34
Leymus mollis American dunegrass Perennial grass 9
Leymus mollis ssp. mollis American dune grass Perennial grass  
Leymus pacificus Gould's rye grass Perennial grass  
Leymus salinus ssp. mojavensis Mojave wild rye Perennial grass  
Leymus triticoides Alkali rye Perennial grass 32
Lilium humboldtii Humboldt's lily Perennial herb 9
Lilium humboldtii ssp. ocellatum Humboldt lily Perennial herb (bulb)  
Limonium californicum Marsh rosemary Perennial herb 13
Limosella subulata Delta mudwort Perennial herb  
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
Linanthus nuttallii ssp. howellii Mt. tedoc linanthus Perennial herb  
Linanthus nuttallii ssp. nuttallii Nuttall's linanthus Perennial herb  
Linanthus nuttallii ssp. pubescens Nuttall's hairy linanthus Perennial herb  
Linanthus pachyphyllus Sierra linanthus Perennial herb  
Linnaea borealis ssp. americana Twinflower Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 35
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 32
Listera caurina Northwest twayblade Perennial herb  
Listera cordata var. nephrophylla Heartleaf twayblade Perennial herb  
Lithophragma affine Common woodland star Perennial herb 2
Lithophragma cymbalaria Mission star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lobelia dunnii Dunn's lobelia Perennial herb 12
Lobelia dunnii var. serrata Dunn's lobelia Perennial herb 6
Lomatium ciliolatum var. ciliolatum Yolla bolly biscuitroot Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 3
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium donnellii Donnell's biscuitroot Perennial herb  
Lomatium foeniculaceum ssp. macdougallii Desert biscuitroot Perennial herb  
Lomatium lucidum Shiny lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 3
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus aboriginus Rose flowered lotus Perennial herb 1
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus argophyllus var. adsurgens San clemente island bird's foot trefoil Perennial herb  
Lotus argophyllus var. argenteus Channel islands silver lotus Perennial herb 1
Lotus argophyllus var. argophyllus Southern california silver lotus Perennial herb  
Lotus argophyllus var. fremontii Fremont's silver lotus Perennial herb  
Lotus argophyllus var. niveus Santa cruz island silverlotus Perennial herb  
Lotus argyraeus Canyon birdsfoot trefoil Perennial herb  
Lotus argyraeus var. argyraeus Canyon lotus Perennial herb  
Lotus argyraeus var. multicaulis Scrub lotus Perennial herb  
Lotus argyraeus var. notitius Providence mtns. lotus Perennial herb  
Lotus benthamii Bentham's deerweed 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 9
Lotus formosissimus Coast lotus Perennial herb 7
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus grandiflorus var. macranthus Mountain chaparral lotus Perennial herb  
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 incanus Woolly lotus Perennial herb  
Lotus junceus Rush lotus Perennial herb 2
Lotus junceus var. biolettii Bioletti's rush lotus Perennial herb  
Lotus junceus var. junceus Rush 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 1
Lotus oblongifolius var. cupreus Copper flowered bird's foot trefoil Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus pinnatus Pinnate lotus Perennial herb  
Lotus procumbens Silky california broom Perennial herb, Shrub  
Lotus procumbens var. jepsonii Jepson's california broom Perennial herb, Shrub  
Lotus procumbens var. procumbens Silky california broom Perennial herb, Shrub  
Lotus rigidus Desert lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 21
Lotus scoparius var. brevialatus Short winged deerweed Perennial herb  
Lotus scoparius var. scoparius Deerweed Perennial herb  
Lotus stipularis Stipulate lotus Perennial herb  
Lotus stipularis var. ottleyi Ottley's stipulate lotus Perennial herb  
Lotus stipularis var. stipularis Stipulate lotus Perennial herb  
Lotus yollabolliensis Yolla bolly mtns. bird's foot trefoil Perennial herb 1
Ludwigia peploides ! Marsh purslane Perennial herb 1
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus albicaulis var. albicaulis Sicklekeel lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. parishii Parish's lupine Perennial herb 2
Lupinus tidestromii var. layneae Layne's lupine Perennial herb (rhizomatous)  
Lupinus tidestromii var. tidestromii Tidestrom's lupine Perennial herb (rhizomatous)  
Lycopus americanus Bugleweed Perennial herb 2
Lycurus setosus Bristly wolfstail Perennial grass 2
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. incana Hoary aster Perennial herb  
Machaeranthera canescens var. leucanthemifolia Hoary aster Perennial herb  
Machaeranthera canescens var. shastensis Shasta aster Perennial herb  
Machaeranthera canescens var. ziegleri Ziegler's aster Perennial herb  
Machaeranthera juncea Rush like bristleweed Perennial herb  
Machaeranthera pinnatifida var. gooddingii Goodding's aster Perennial herb  
Madia bolanderi Bolander's tarweed Perennial herb  
Madia madioides Forest madia Perennial herb 2
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 2
Malacothrix saxatilis Cliff aster Perennial herb 6
Malacothrix saxatilis var. saxatilis Cliff aster Perennial herb 1
Malacothrix saxatilis var. tenuifolia Short leaved cliff aster Perennial herb 1
Malaxis monophyllos ssp. brachypoda Adder's mouth Perennial herb (bulb)  
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabaceus Manroot Perennial herb, Vine 3
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 2
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 2
Marah horridus Sierran wild cucumber Perennial herb, Vine  
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
Marah oreganus Manroot Perennial herb, Vine 2
Maurandya antirrhiniflora ssp. antirrhiniflora Violet twining snapdragon Perennial herb 2
Maurandya petrophila Rock haurandya Perennial herb  
Melica bulbosa var. inflata Oniongrass Perennial grass 1
Melica californica var. californica California melicgrass Perennial grass 1
Melica frutescens Tall melica Perennial grass 1
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica imperfecta Coast range melic Perennial grass 22
Melica stricta var. albicaulis Nodding melica Perennial grass  
Melica torreyana Torrey's melica Perennial grass 11
Menodora scoparia Broom tvinberry Perennial herb 2
Mentzelia multiflora ssp. longiloba Many flowered mentzelia Perennial herb  
Mentzelia multiflora var. longiloba Adonis blazingstar Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Microseris laciniata var. siskiyouensis Cutleaf silverpuffs Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 42
Mimulus clevelandii Cleveland's bush monkeyflower Perennial herb 2
Mimulus glabratus var. glabratus Roundleaf monkeyflower Perennial herb (rhizomatous)  
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mimulus moschatus var. moschatus Muskflower Perennial herb  
Mimulus primuloides ssp. linearifolius Primrose monkeyflower Perennial herb 2
Mimulus primuloides ssp. primuloides Primrose monkeyflower Perennial herb  
Mimulus primuloides var. pilosellus Primrose monkeyflower Perennial herb  
Mimulus tilingii var. tilingii Tiling's monkeyflower Perennial herb  
Minuartia nuttallii ssp. fragilis Brittle sandwort Perennial herb  
Minuartia nuttallii ssp. gracilis Nuttall's sandwort Perennial herb  
Minuartia nuttallii ssp. gregaria Gregarious sandwort Perennial herb  
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 comata Hairy tuft four o'clock Perennial herb  
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 oblongifolia Oblong leafed four o'clock Perennial herb 1
Mirabilis pumila Little umbrella wort Perennial herb  
Mitella breweri Brewer's miterwort Perennial herb  
Mitella caulescens Stemmed miterwort Perennial herb  
Mitella diversifolia Angle leafed miterwort Perennial herb  
Mitella ovalis Coastal miterwort Perennial herb 2
Mitella pentandra Alpine bishop's cap Perennial herb 1
Mitella trifida Three parted miterwort Perennial herb  
Monanthochloe littoralis Salt cedar Perennial grass 1
Monardella australis ssp. jokersti Jokerstís monardella Perennial herb  
Monardella cinerea Gray monardella Perennial herb (rhizomatous)  
Monardella crispa Crisp monardella Perennial herb (rhizomatous) 1
Monardella frutescens San luis obispo monardella Perennial herb (rhizomatous)  
Monardella glauca Grey monardella Perennial herb 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 ssp. viminea Willowy monardella Perennial herb 7
Monardella macrantha Hummingbird monardella Perennial herb 10
Monardella macrantha ssp. hallii Hall's monardella Perennial herb (rhizomatous)  
Monardella nana ssp. arida Desert monardella Perennial herb 1
Monardella nana ssp. nana Little monardella Perennial herb  
Monardella nana ssp. tenuiflora Short flowered monardella Perennial herb  
Monardella odoratissima ssp. parvifolia Matted mountain monardella Perennial herb  
Monardella rubella Grey monardella Perennial herb  
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 2
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 2
Monardella villosa var. subglabra Coyote mint Perennial herb 2
Monardella viridis ssp. saxicola Rock monardella Perennial herb (rhizomatous)  
Monardella viridis ssp. viridis Green monardella Perennial herb (rhizomatous)  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia dumosa Bamboo muhly Perennial grass 7
Muhlenbergia rigens Deergrass Perennial grass 64
Muhlenbergia thurberi Thurber's muhly Perennial grass  
Muilla clevelandii San diego goldenstar Perennial herb (bulb)  
Muilla maritima Common muilla Perennial herb  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Nama lobbii Lobb's nama Perennial herb 1
Nassella cernua Nodding needlegrass Perennial grass 23
Nassella lepida Small flowered stipa Perennial grass 27
Nassella pulchra Purple needlegrass Perennial grass 41
Nasturtium gambelii Gambel's yellowcress Perennial herb  
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nitrophila occidentalis Western nitrophila Perennial herb  
Nolina parryi Parry's nolina Perennial herb 7
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Oenanthe sarmentosa Water parsley Perennial herb 8
Oenothera caespitosa ssp. marginata Large white desert primrose Perennial herb  
Oenothera californica California evening primrose Perennial herb 6
Oenothera californica ssp. californica California evening primrose Perennial herb  
Oenothera elata Evening primrose Perennial herb 17
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 16
Oenothera flava ssp. flava Dandelion evening primrose Perennial herb  
Oenothera suffrutescens Wild honeysuckle, linda tarde Perennial herb  
Opuntia californica var. californica Snake cholla Perennial herb (stem succulent) 5
Opuntia munzii Munz's cholla Perennial herb (stem succulent) 2
Orobanche bulbosa Chaparral broomrape Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche parishii Parish's broom rape Perennial herb (parasitic)  
Orobanche parishii ssp. parishii Parish broomrape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Oryzopsis exigua Little ricegrass Perennial grass  
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  
Oxytenia acerosa Copperweed Perennial herb  
Paeonia californica California peony Perennial herb 1
Panicum acuminatum Western witch grass Perennial grass  
Parnassia californica Grass of parnassus Perennial herb  
Pascopyrum smithii Western wheat grass Perennial grass 4
Paspalum distichum Knot grass Perennial grass 2
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis groenlandica var. surrecta Elephant head lousewort Perennial herb 2
Pedicularis racemosa ssp. racemosa Sickletop lousewort Perennial herb  
Penstemon californicus California beardtongue Perennial herb  
Penstemon centranthifolius Scarlet bugler Perennial herb 18
Penstemon grinnellii Grinnell's beardtongue Perennial herb 9
Penstemon grinnellii var. grinnellii Grinnell's beardtongue Perennial herb  
Penstemon heterophyllus Foothill penstemon Perennial herb 39
Penstemon heterophyllus var. australis Southern foothill penstemon Perennial herb  
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon humilis ssp. humilis Low beardtongue Perennial herb  
Penstemon spectabilis Showy penstemon Perennial herb 25
Penstemon spectabilis var. spectabilis Showy penstemon Perennial herb  
Penstemon spectabilis var. subviscosis Showy penstemon Perennial herb  
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. gairdneri Gairdner'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
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia dalesiana Scott mtn. phacelia Perennial herb  
Phacelia hastata ssp. compacta Timberline phacelia Perennial herb  
Phacelia hastata ssp. hastata Mountain phacelia Perennial herb  
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 4
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 nemoralis ssp. nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. oregonensis Oregon woods phacelia Perennial herb  
Phacelia oreopola ssp. oreopola San gabriel mtns. imbricate phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. austrolitoralis South coast branching phacelia Perennial herb 4
Phacelia ramosissima var. eremophila Branching phacelia Perennial herb 4
Phacelia ramosissima var. latifolia Branching phacelia Perennial herb 4
Phacelia ramosissima var. montereyensis Monterey branching phacelia Perennial herb 4
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb 4
Phacelia ramosissima var. subglabra Branching phacelia Perennial herb 4
Phacelia sericea ssp. ciliosa Silky phacelia Perennial herb  
Phalacroseris bolanderi var. bolanderi Bolander's mock dandelion Perennial herb  
Phalacroseris bolanderi var. coronata Bolander's mock dandelion Perennial herb  
Phalaris arundinacea var. picta Ribbongrass Perennial grass 8
Phlox douglasii ssp. rigida Stiff douglas' phlox Perennial herb 1
Phlox hoodii ssp. lanata Carpet phlox Perennial herb  
Phlox hoodii ssp. muscoides Musk phlox Perennial herb 1
Phlox longifolia ssp. brevifolia Longleaf phlox Perennial herb  
Phlox longifolia ssp. longifolia Longleaf phlox Perennial herb  
Phlox speciosa ssp. nitida Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
Phlox viridis ssp. compacta Green phlox Perennial herb  
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 11
Phyla nodiflora var. incisa Common lippia Perennial herb 10
Phyla nodiflora var. nodiflora Common lippia Perennial herb 10
Phyla nodiflora var. rosea Garden lippia Perennial herb 10
Phyllospadix scouleri Scouler's surfgrass Perennial herb  
Phyllospadix torreyi Surf grass Perennial herb  
Pinguicula macroceras var. macroceras California butterwort Perennial herb (carnivorous)  
Pinguicula vulgaris ssp. macroceras Horned butterwort Perennial herb (carnivorous)  
Piperia cooperi Coopers rein orchid Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Piptatherum exiguum Little ricegrass Perennial grass  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Pityopus californica Pityopus Perennial herb (mycoparasitic)  
Plantago maritima var. juncoides Rush like maritime plantain Perennial herb 5
Plantago subnuda Coastal plantain Perennial herb 6
Platanthera hyperborea Green flowered bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Pleuraphis jamesii Galleta Perennial grass 9
Pleuraphis rigida Galletta grass Perennial grass 7
Pleuropogon davyi Davy's semaphore grass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 15
Poa fendleriana Muttongrass Perennial grass 4
Poa juncifolia Western blue grass Perennial grass 14
Poa nevadensis Sierra blue grass Perennial grass 14
Poa pattersonii Patterson's blue grass Perennial grass  
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
Polyctenium fremontii var. confertum Flat pod polyctenium Perennial herb  
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 bistortoides Western knotweed Perennial herb  
Polygonum davisiae Davis knotweed Perennial herb  
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum newberryi Newberry's smartweed Perennial herb  
Polygonum phytolaccifolium Pokeweed knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Porophyllum gracile Odora Perennial herb  
Potamogeton alpinus ssp. tenuifolius Alpine pondweed Perennial herb (aquatic)  
Potamogeton epihydrus ssp. nuttallii Nuttall's pondweed Perennial herb (rhizomatous)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. fibrillosus Fibrous pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton latifolius Nevada pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel 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 15
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla diversifolia Varileaf cinquefoil Perennial herb  
Potentilla diversifolia var. diversifolia Varileaf cinquefoil Perennial herb  
Potentilla drummondii ssp. breweri Brewer's cinquefoil Perennial herb 1
Potentilla drummondii ssp. bruceae Bruce's cinquefoil Perennial herb 1
Potentilla drummondii ssp. drummondii Drummond's cinquefoil Perennial herb 2
Potentilla glandulosa Gland cinquefoil Perennial herb 13
Potentilla glandulosa ssp. ashlandica Mountain cinquefoil Perennial herb  
Potentilla glandulosa ssp. ewanii Ewan's cinquefoil Perennial herb  
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. globosa Common cinquefoil Perennial herb  
Potentilla glandulosa ssp. hansenii Hansen's cinquefoil Perennial herb  
Potentilla glandulosa ssp. nevadensis Nevada cinquefoil Perennial herb  
Potentilla glandulosa ssp. pseudorupestris False rock loving cinquefoil Perennial herb 1
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla gracilis var. pulcherrima White leaved cinquefoil Perennial herb  
Potentilla palustris Marsh cinquefoil Perennial herb 5
Potentilla pensylvanica var. ovium Pennsylvania cinquefoil Perennial herb  
Potentilla pensylvanica var. pensylvanica Pennsylvania cinquefoil Perennial herb  
Potentilla pensylvanica var. strigosa Pennsylvania cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 8
Primula clevelandii var. clevelandii Cleveland's shooting star Perennial herb  
Prosartes hookeri var. hookeri Drops of gold Perennial herb 6
Prosartes hookeri var. parvifolia Drops of gold Perennial herb  
Prunella vulgaris Self heal Perennial herb 18
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium biolettii Two-color rabbit-tobacco Perennial herb 5
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 3
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pseudoroegneria spicata ssp. spicata Bent grass Perennial grass 3
Psoralidium lanceolatum Scurf pea Perennial herb  
Ptilagrostis kingii King's ricegrass Perennial grass  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Puccinellia grandis Alaska alkali grass Perennial grass  
Pycnanthemum californicum California mint Perennial herb 4
Raillardiopsis muirii Muir's raillardella Perennial herb (rhizomatous)  
Raillardiopsis scabrida Scabrid raillardella Perennial herb  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus aquatilus var. subrigidus Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 11
Ranunculus californicus var. californicus Common buttercup Perennial herb 2
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Rhynchospora globularis var. globularis Round headed beaked rush Perennial grass (rhizomatous)  
Romneya coulteri Coulter's matilija poppy Perennial herb (rhizomatous) 43
Romneya trichocalyx Hairy matilija poppy Perennial herb 1
Rorippa gambelii Gambel's water cress Perennial herb (rhizomatous)  
Rorippa gambellii Gambel's yellowcress Perennial herb (rhizomatous)  
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rudbeckia californica var. californica California cone flower Perennial herb 5
Rudbeckia californica var. glauca Serpentine cone flower Perennial herb  
Rudbeckia californica var. intermedia California cone flower Perennial herb  
Rudbeckia occidentalis var. occidentalis Western cone flower Perennial herb 10
Rumex californicus California dock Perennial herb  
Rumex hymenosepalus Wild rhubarb Perennial herb  
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. crassus Willow leaved dock Perennial herb  
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. lacustris Lake dock Perennial herb (aquatic)  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 7
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 2
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Salicornia pacifica Pickleweed Perennial herb 10
Salicornia subterminalis Parish's glasswort Perennial herb 4
Salvia spathacea Hummingbird sage Perennial herb 37
Samolus parviflorus Water pimpernel Perennial herb  
Sanguisorba officinalis ssp. microcephala Great burnet Perennial herb (rhizomatous) 2
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 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
Satureja douglasii Yerba buena Perennial herb 33
Satureja mimuloides Monkey flower savory Perennial herb 6
Saxifraga aprica Sierra saxifrage Perennial herb  
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Saxifraga ferruginea Rusty hair saxifrage Perennial herb  
Saxifraga ferruginea var. ferruginea Russethair saxifrage Perennial herb  
Saxifraga ferruginea var. macounii Rusty hair saxifrage Perennial herb  
Saxifraga howellii Howell's saxifrage Perennial herb (rhizomatous)  
Saxifraga integrifolia Smooth leaf saxifrage Perennial herb  
Saxifraga marshallii Marshall's saxifrage Perennial herb  
Saxifraga nidifica Peak saxifrage Perennial herb  
Saxifraga nidifica var. nidifica Peak saifrage Perennial herb  
Saxifraga nuttallii Nuttall's saxifrage Perennial herb (rhizomatous)  
Saxifraga odontoloma Brook saxifrage Perennial herb 1
Saxifraga oregana Bog saxifrage Perennial herb  
Saxifraga rivularis Weak saxifrage Perennial herb  
Saxifraga tolmiei Tolmie's saxifrage Perennial herb  
Scheuchzeria palustris ssp. americana American scheuchzeria Perennial herb (rhizomatous aquatic)  
Scheuchzeria palustris var. americana American scheuchzeria Perennial herb (rhizomatous)  
Schoenoplectus acutus Hardstem bulrush Perennial grass 24
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 16
Schoenoplectus fluviatilis River bulrush Perennial grass 1
Schoenoplectus pungens Common threesquare Perennial grass 2
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 16
Scirpus clementis Yosemite bulrush Perennial grass  
Scirpus fluviatilis River bulrush Perennial grass 2
Scirpus heterochaetus Slender bulrush Perennial grass (rhizomatous)  
Scirpus maritimus Prairie bulrush Perennial grass 14
Scirpus microcarpus Mountain bog bulrush Perennial grass 19
Scirpus nevadensis Great basin bulrush Perennial grass  
Scirpus pumilus Dwarf bulrush Perennial grass (rhizomatous)  
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scirpus subterminalis Water bulrush Perennial grass (rhizomatous)  
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
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 30
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum eastwoodiae Red mtn. stonecrop Perennial herb 1
Sedum paradisum Canyon creek stonecrop Perennial herb  
Sedum roseum ssp. integrifolium Rosy stonecrop Perennial herb  
Selinocarpus nevadensis Desert wing fruit Perennial herb  
Senecio bernardinus San bernardino ragwort Perennial herb  
Senecio bolanderi var. bolanderi Bolander's ragwort Perennial herb  
Senecio breweri Brewer's groundsel Perennial herb  
Senecio canus Woolly ragwort Perennial herb  
Senecio cymbalarioides Cleft leaved groundsel Perennial herb  
Senecio eurycephalus Cut leaved butterweed Perennial herb  
Senecio eurycephalus var. eurycephalus Broadhead ragwort Perennial herb  
Senecio eurycephalus var. lewisrosei Cut leaved ragwort Perennial herb  
Senecio ganderi Gander's ragwort Perennial herb  
Senecio greenei Serpentine ragwort Perennial herb  
Senecio indecorus Rayless mountain butterweed Perennial herb  
Senecio ionophyllus Tehachapi ragwort Perennial herb  
Senecio layneae Layne's ragwort Perennial herb  
Senecio macounii Siskiyou mtns. ragwort Perennial herb  
Senecio multilobatus Basin butterweed Perennial herb  
Senecio pauciflorus Rayless alpine ragwort Perennial herb  
Senecio pseudaureus var. pseudaureus Streambank butterweed Perennial herb  
Senecio streptanthifolius Cleft leaved groundsel Perennial herb  
Senecio werneriifolius Alpine rock butterweed Perennial herb  
Sericocarpus oregonensis var. californicus Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis var. oregonensis Oregon whitetop aster Perennial herb  
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 19
Sidalcea malviflora ssp. asprella Harsh 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 7
Silene laciniata ssp. californica California indian pink Perennial herb 1
Silene laciniata ssp. laciniata Cardinal catchfly Perennial herb 3
Silene laciniata ssp. major Indian pink Perennial herb 3
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene scouleri ssp. grandis Scouler's campion Perennial herb  
Sisyrinchium bellum Blue eyed grass Perennial herb 60
Sisyrinchium douglasii var. douglasii Douglas' blue eyed grass Perennial herb 1
Smelowskia ovalis var. congesta Lassen peak smelowskia Perennial herb  
Smilacina racemosa Western false solomon's seal Perennial herb 18
Smilacina stellata Star flowered false solomon's seal Perennial herb 16
Solanum douglasii Douglas' nightshade Perennial herb 5
Solanum xanti Nightshade Perennial herb, Shrub 12
Solidago altissima var. altissima Late goldenrod Perennial herb  
Solidago californica Oreja de liebre Perennial herb 25
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 3
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago confinis Southern goldenrod Perennial herb 3
Solidago gigantea Smooth goldenrod Perennial herb (rhizomatous)  
Solidago sparsiflora Great basin goldenrod Perennial herb 5
Solidago spathulata ssp. spathulata Coast goldenrod Perennial herb 5
Solidago velutina Threenerve goldenrod Perennial herb 7
Solidago velutina ssp. californica Oreja de liebre Perennial herb 25
Sparganium emersum ssp. emersum Emersed bur reed Perennial herb 2
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 4
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 2
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Spartina foliosa Pacific cordgrass Perennial grass  
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Sphaeralcea ambigua Desert mallow Perennial herb 28
Sphaeralcea ambigua var. rosacea Rosy apricot mallow Perennial herb  
Sphaeralcea emoryi Emory's globemallow Perennial herb 1
Sphaeralcea emoryi var. emoryi Emory's desert mallow Perennial herb 1
Sphaeralcea grossulariifolia ssp. grossulariifolia Gooseberry leaved globemallow Perennial herb, Shrub 1
Sphaeralcea grossulariifolia var. grossulariifolia Gooseberryleaf globemallow Perennial herb, Shrub 1
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus airoides var. wrightii Alkali sacaton Perennial grass 7
Stachys ajugoides Hedge nettle Perennial herb 6
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 6
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys albens Cobwebby hedge nettle Perennial herb 8
Stachys bullata Southern hedge nettle Perennial herb 15
Stachys palustris ssp. pilosa Marsh hedge nettle Perennial herb 1
Stachys rigida Rough hedgenettle Perennial herb 2
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stachys rigida var. rigida Rough hedgenettle Perennial herb  
Stachys stebbinsii Stebbins' hedgenettle Perennial herb  
Stanleya pinnata var. inyoensis Inyo prince's plume Perennial herb, Shrub 2
Stellaria longipes var. longipes Long stalked starwort Perennial herb  
Stenotus stenophyllus Narrowleaf goldenweed Perennial herb  
Stephanomeria cichoriacea Fort tejon milk aster Perennial herb 1
Stephanomeria pauciflora var. parishii Parish's wire lettuce Perennial herb 1
Stephanomeria pauciflora var. pauciflora Wire lettuce Perennial herb 1
Stephanomeria spinosa Thorny skeleton plant Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa coronata Crested needle grass Perennial grass 7
Stipa lepida Foothill needle grass Perennial grass 27
Stipa pulchra Purple needle grass Perennial grass 41
Streptanthus cordatus var. duranii Duran's jewelflower Perennial herb  
Streptanthus longisiliqus Long fruit 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
Suksdorfia ranunculifolia Buttercup suksdorfia Perennial herb  
Swertia albicaulis Whitestem gentian Perennial herb  
Swertia albicaulis var. albicaulis White stem green gentian Perennial herb  
Swertia albicaulis var. modocensis Perennial herb  
Swertia albicaulis var. nitida Shining swertia Perennial herb  
Swertia albomarginata var. albomarginata Perennial herb  
Swertia albomarginata var. induta Perennial herb  
Swertia fastigiata Clustered green gentian Perennial herb  
Swertia neglecta Pine green gentian Perennial herb  
Swertia parryi Parry's green gentian Perennial herb  
Swertia puberulenta Inyo green gentian Perennial herb  
Swertia radiata Giant frasera Perennial herb  
Swertia radiata var. radiata Elkweed Perennial herb  
Swertia shastaensis Perennial herb  
Swertia tubulosa Kern green gentian Perennial herb  
Swertia umpquaensis Umpqua green gentian Perennial herb  
Symphyotrichum ascendens Western aster Perennial herb 1
Symphyotrichum campestre var. bloomeri Bloomer's aster Perennial herb  
Symphyotrichum campestre var. campestre Western meadow aster Perennial herb  
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 11
Symphyotrichum chilense var. invenustum Pacific aster Perennial herb 9
Symphyotrichum chilense var. medium Pacific aster Perennial herb 9
Symphyotrichum defoliatum San bernardino aster Perennial herb (rhizomatous)  
Symphyotrichum eatonii Eaton's aster Perennial herb 2
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  
Synthyris reniformis var. cordata Snow queen Perennial herb  
Tanacetum camphoratum Dune tansy Perennial herb 9
Tauschia arguta Southern tauschia Perennial herb  
Tauschia parishii Parish's tauschia Perennial herb  
Thalictrum fendleri Fendler's meadow rue Perennial herb 12
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 gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. agnina Santa ynes false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. macrophylla Common false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. semota Velvety false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous)  
Thlaspi californicum Kneeland prairie pennycress Perennial herb  
Thlaspi montanum ssp. montanum Perennial herb  
Tidestromia oblongifolia Honey sweet Perennial herb  
Tofieldia occidentalis ssp. occidentalis Western tofieldia Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Trautvetteria caroliniensis var. occidentalis Western trautvetteria Perennial herb 1
Trientalis arctica Arctic starflower Perennial herb 1
Trientalis europaea Arctic starflower Perennial herb  
Trientalis europaea ssp. arctica Arctic starflower Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium andersonii var. andersonii Anderson's clover Perennial herb  
Trifolium andersonii var. beatleyae Beatley's five leaved clover Perennial herb  
Trifolium eriocephalum var. eriocephalum Hairy head clover Perennial herb  
Trifolium eriocephalum var. harneyense Cusick's clover Perennial herb  
Trifolium gymnocarpon var. plummerae Plummer's clover Perennial herb  
Trifolium kingii var. productum King's clover Perennial herb  
Trifolium longipes var. elmeri Elmer's clover Perennial herb  
Trifolium longipes var. longipes Long stalked clover Perennial herb  
Trifolium longipes var. nevadense Mountain clover Perennial herb  
Trifolium longipes var. oreganum Oregon clover Perennial herb  
Trifolium longipes var. shastense Shasta clover Perennial herb  
Trifolium macilentum var. dedeckerae Dedecker's clover Perennial herb  
Trifolium monanthum var. grantianum Grant's carpet clover Perennial herb  
Trifolium monanthum var. monanthum Mountain carpet clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 5
Trifolium wormskioldii var. arizonicum Spinytooth clover Perennial herb  
Trifolium wormskioldii var. siskiyouense Siskiyou clover Perennial herb  
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
Trillium rivale Siskiyou wakerobin Perennial herb 1
Trimorpha acris var. debilis Northern daisy Perennial herb  
Trimorpha lonchophylla Spearleaved northern daisy Perennial herb  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Triteleia grandiflora var. howellii Howell's triteleia Perennial herb  
Triteleia hendersonii var. hendersonii Henderson's triteleia Perennial herb (bulb)  
Triteleia ixioides Pretty face Perennial herb 6
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 10
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Valeriana hookeri Scouler's valerian Perennial herb  
Venegasia carpesioides Canyon sunflower Perennial herb 9
Veratrum viride var. eschscholzianum Green false hellebore Perennial herb 4
Verbena lasiostachys Western vervain Perennial herb 17
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Verbena officinalis var. officinalis Herb of the cross Perennial herb  
Verbena scabra Rough vervain Perennial herb  
Verbesina dissita Crownbeard 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 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 langsdorfii Langsdorf's violet Perennial herb  
Viola macloskeyi ssp. pallens Small white violet Perennial herb 1
Viola pedunculata California golden violet Perennial herb  
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb  
Viola pedunculata ssp. tenuifolia Johnny jump up Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola sheltonii Shelton's violet Perennial herb  
Viola sororia ssp. affinis Northern bog violet Perennial herb  
Whitneya dealbata Whitneya Perennial herb  
Wolffia columbiana Columbia water meal Perennial herb  
Wolffiella lingulata Mud midget Perennial herb  
Wyethia ovata Southern wyethia Perennial herb  
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus brevibracteatus Desert death camas Perennial herb  
Zigadenus exaltatus Giant death camas Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus micranthus Small flowered death camas Perennial herb  
Zigadenus micranthus var. fontanus Fountain death camas Perennial herb  
Zigadenus micranthus var. micranthus Little flowered death camas Perennial herb  
Zigadenus paniculatus Sand corn Perennial herb 2
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
Zostera marina Eel grass Perennial herb  
  Lifeform: Fern65 plants
Adiantum capillus-veneris Maidenhair fern Fern 12
Adiantum jordanii California maidenhair fern Fern 4
Aspidotis californica California lace fern Fern 1
Aspidotis densa Lace fern Fern 1
Asplenium trichomanes-ramosum Green spleenwort Fern (rhizomatous)  
Asplenium vespertinum Western spleenwort Fern  
Athyrium filix-femina ssp. cyclosorum Subarctic ladyfern Fern 1
Azolla filiculoides Mosquito fern Fern  
Azolla mexicana Mexican mosquito fern Fern  
Botrychium multifidum Common grapefern Fern  
Botrychium virginianum Rattlesnake fern Fern  
Cheilanthes clevelandii Cleveland's lipfern Fern  
Cheilanthes cooperae Mrs. cooper's lipfern Fern  
Cheilanthes covillei Coville's lip fern Fern 3
Cheilanthes feei Slender lipfern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
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 arvense Common horsetail Fern 6
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 4
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 1
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes bolanderi var. pygmaea Bolander's quillwort Fern  
Isoetes howellii var. minima Howell's quillwort Fern  
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 3
Myriopteris newberryi Newberry's lip 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. californica Bird's foot fern Fern  
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma glanduloviscida Fern  
Pentagramma triangularis Gold back fern Fern 4
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern  
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 13
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Pteridium aquilinum Western brackenfern Fern 6
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella arizonica Arizona spikemoss Fern (rhizomatous)  
Selaginella asprella Bluish spike moss Fern (rhizomatous)  
Selaginella bigelovii Bigelow's moss fern Fern (mosslike) 2
Selaginella cinerascens Ashy spike moss Fern (rhizomatous)  
Selaginella densa var. scopulorum Rocky mountain spike moss Fern (mosslike)  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub524 plants
Acacia greggii Cats claw acacia Shrub 7
Acalypha californica California acalypha Shrub 4
Acer glabrum var. greenei Greene's mountain maple Tree, Shrub  
Acer glabrum var. torreyi Torrey's mountain maple Tree, Shrub  
Adenostoma fasciculatum Chamise Tree, Shrub 16
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
Adenostoma fasciculatum var. obtusifolium San diego chamise Tree, Shrub  
Ambrosia chenopodiifolia San diego bur sage Shrub 1
Ambrosia monogyra Singlewhorl burrobrush Shrub  
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amelanchier utahensis ssp. covillei Coville's service berry Shrub  
Amelanchier utahensis ssp. utahensis Utah service berry Shrub  
Amelanchier utahensis var. utahensis Utah serviceberry Shrub  
Amorpha californica False indigo Shrub 4
Amorpha californica var. californica California false indigo Shrub  
Amorpha fruticosa Western false indigo Shrub 8
Arctostaphylos Xjepsonii Hybrid manzanita Tree, Shrub  
Arctostaphylos Xknightii Hybrid manzanita Shrub  
Arctostaphylos Xoblongifolia Hybrid manzanita Shrub  
Arctostaphylos Xpacifica Hybrid manzanita Shrub 1
Arctostaphylos Xparvifolia Hybrid manzanita Shrub  
Arctostaphylos columbiana f. tracyi Tracy's redwood manzanita Tree, Shrub 5
Arctostaphylos gabrielensis San gabriel manzanita Shrub 1
Arctostaphylos glandulosa Eastwood manzanita Shrub 5
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 2
Arctostaphylos glandulosa ssp. glaucomollis San gabriel mts. manzanita Shrub 1
Arctostaphylos glandulosa ssp. leucophylla Eastwood manzanita Shrub  
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 2
Arctostaphylos glauca Big berry manzanita Tree, Shrub 11
Arctostaphylos hookeri ssp. franciscana San francisco manzanita Shrub 8
Arctostaphylos hookeri ssp. montana Mt. tamalpais manzanita Shrub  
Arctostaphylos hookeri ssp. ravenii Raven's manzanita Shrub  
Arctostaphylos manzanita Common manzanita Shrub 25
Arctostaphylos mendocinoensis Pygmy manzanita Shrub  
Arctostaphylos otayensis Otay manzanita Shrub 1
Arctostaphylos peninsularis ssp. peninsularis Peninsular manzanita Shrub  
Arctostaphylos pringlei Pringle manzanita Shrub 2
Arctostaphylos pringlei ssp. drupacea Pink bracted manzanita Shrub 2
Arctostaphylos tomentosa f. hebeclada Woolly twig manzanita Shrub  
Arctostaphylos tomentosa ssp. crinita Santa cruz mtns. manzanita Shrub  
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 2
Arctostaphylos tomentosa ssp. eastwoodiana Eastwood's manzanita Shrub  
Arctostaphylos tomentosa ssp. insulicola Island manzanita Shrub  
Arctostaphylos tomentosa ssp. rosei Rose's manzanita Shrub 1
Arctostaphylos tomentosa ssp. subcordata Heart leaved manzanita Shrub 2
Arctostaphylos uva-ursi f. adenotricha Glandular kinnikinnick Shrub 30
Arctostaphylos uva-ursi f. coactilis Southern kinnikinnick Shrub 30
Arctostaphylos wellsii Wells's manzanita Shrub 1
Arida carnosa Shrubby alkali aster Shrub  
Artemisia californica Coastal sage brush Shrub 43
Artemisia palmeri San diego sagewort Shrub 9
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Astragalus pachypus var. jaegeri Jaeger's milk vetch Shrub  
Atriplex canescens Hoary saltbush Shrub 21
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 lentiformis Big saltbush Shrub 33
Atriplex lentiformis ssp. breweri Quailbush Shrub 14
Atriplex lentiformis ssp. lentiformis Brewer's saltbrush Shrub 3
Atriplex lentiformis ssp. torreyi Torrey's saltbush Shrub  
Atriplex polycarpa Cattle spinach Shrub 10
Baccharis emoryi Emory's baccharis Shrub 7
Baccharis malibuensis Malibu baccharis Shrub  
Baccharis pilularis Coyote brush Shrub 58
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 50
Baccharis pilularis ssp. pilularis Coyote brush Shrub 5
Baccharis salicifolia Mule fat Shrub 28
Baccharis salicifolia ssp. salicifolia Mule fat Shrub  
Baccharis salicina Willow baccharis Shrub 7
Baccharis sarothroides Broom baccharis Shrub 9
Baccharis sergiloides Desert baccharis Shrub 1
Bahiopsis laciniata San Diego County viguiera Shrub 8
Batis maritima Saltwort Shrub  
Bebbia juncea Sweetbush Shrub 4
Bebbia juncea var. aspera Rough sweetbush Shrub  
Berberis aquifolium Mountain grape Shrub 47
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis pinnata Shiny leaf mahonia Shrub 8
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Bernardia myricifolia Western bernardia Shrub  
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 desertorum Desert brickellia Shrub  
Brickellia multiflora Gum leaved brickellia Shrub  
Brickellia nevinii Nevin's brickellia Shrub 2
Caesalpinia virgata Narrow hoffmannseggia Shrub  
Cassiope mertensiana ssp. californica California moss heather Shrub  
Ceanothus Xotayensis Shrub  
Ceanothus Xregius Blueblossom x wartleaf ceanothus Shrub  
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 2
Ceanothus cuneatus var. rigidus Monterey ceanothus Shrub 6
Ceanothus greggii var. perplexans Cupped leaf ceanothus Shrub  
Ceanothus greggii var. vestitus California lilac Shrub  
Ceanothus griseus Carmel ceanothus Shrub 36
Ceanothus griseus var. horizontalis Yankee point ceanothus Shrub 24
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus jepsonii var. albiflorus White flowered musk brush Shrub  
Ceanothus jepsonii var. jepsonii Musk brush Shrub  
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 6
Ceanothus oliganthus var. oliganthus Hairy ceanothus Shrub 6
Ceanothus oliganthus var. orcuttii San diego hairy ceanothus Shrub 5
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus palmeri Palmer's ceanothus Shrub 1
Ceanothus papillosus Wartleaf ceanothus Shrub 11
Ceanothus papillosus var. papillosus Wartleaf ceanothus Shrub 3
Ceanothus papillosus var. roweanus Mt. tranquillon ceanothus Shrub 21
Ceanothus prostratus var. laxus Large leaved carpet Shrub 9
Ceanothus spinosus Greenbark ceanothus Tree, Shrub 11
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 41
Ceanothus thyrsiflorus var. repens Creeping blueblossom Tree, Shrub 30
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 var. hookeri Hooker's tobacco brush Tree, Shrub 9
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 9
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 10
Ceanothus verrucosus White coast ceanothus Shrub 7
Cephalanthus occidentalis var. californicus California buttonbush Shrub 16
Cercidium microphyllum Yellow palo verde Tree, Shrub 10
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus intricatus Little leaved mountain mahogany Shrub  
Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany Tree, Shrub  
Cercocarpus minutiflorus Smooth mountain mahogany Shrub 5
Chrysothamnus nauseosus Common rabbitbrush Shrub 23
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. bernardinus San bernardino rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. ceruminosus Sharp bracted rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. hololeucus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. leiospermus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. mohavensis Mohave common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. viridulus Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. washoensis Washoe common rabbitbrush Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. asper Rough parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. bolanderi Bolander's rabbitbrush Shrub  
Chrysothamnus parryi ssp. imulus Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. monocephalus Single headed parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. nevadensis Nevada parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. vulcanicus Parry's rabbitbrush Shrub  
Chrysothamnus teretifolius Terete leaved rubberbrush Shrub  
Chrysothamnus viscidiflorus ssp. latifolius Sticky leaved rabbitbrush Shrub  
Cneoridium dumosum Bushrue Shrub 6
Comarostaphylis diversifolia Summer holly Shrub 9
Comarostaphylis diversifolia ssp. diversifolia California comarostaphylis Shrub 1
Comarostaphylis diversifolia ssp. planifolia Flat leaf summer holly Shrub  
Coreopsis gigantea Giant coreopsis Shrub 23
Cornus nuttallii Mountain dogwood Shrub 27
Cornus sericea American dogwood Shrub 41
Cornus sericea ssp. sericea Red osier dogwood Shrub 34
Corylus cornuta var. californica California hazelnut Shrub 9
Crataegus columbiana Columbia hawthorn Tree, Shrub 10
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3
Crocanthemum aldersonii Alderson's rush-rose Shrub  
Crocanthemum scoparium Bisbee Peak Rushrose Shrub  
Crocanthemum scoparium var. vulgare Bisbee Peak Rushrose Shrub  
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Cupressus sargentii Sargent cypress Tree, Shrub 3
Cylindropuntia Xfosbergii Hoffmann's teddybear cholla Shrub (stem succulent) 1
Cylindropuntia acanthocarpa var. coloradensis Colorado buckhorn cholla Shrub (stem succulent) 1
Cylindropuntia bigelovii var. bigelovii Teddybear cholla Shrub (stem succulent) 1
Cylindropuntia prolifera Coastal cholla Shrub (stem succulent) 7
Dendromecon rigida Bush poppy Shrub 15
Diplacus aurantiacus Sticky monkeyflower Shrub 51
Diplacus linearis Chaparral bush monkeyflower Shrub  
Diplacus puniceus Sticky monkeyflower Shrub 53
Echinocereus coccineus var. coccineus Scarlet hedgehog cactus Shrub (stem succulent)  
Echinocereus triglochidiatus Mohave mound cactus Shrub (stem succulent) 3
Echinomastus johnsonii Johnson's fishhook cactus Shrub (stem succulent)  
Empetrum nigrum ssp. hermaphroditum Black crowberry Shrub 1
Empetrum nigrum ssp. nigrum Black crowberry Shrub  
Encelia actoni Acton encelia Shrub 2
Encelia californica Bush sunflower Shrub 27
Encelia farinosa Brittlebush Shrub 22
Encelia farinosa X Encelia frutescens Shrub  
Encelia farinosa X frutescens Hybrid encelia Shrub  
Ephedra californica Desert tea Shrub 2
Ephedra fasciculata var. clokeyi Clokey's ephedra Shrub  
Ephedra fasciculata var. fasciculata Arizona ephedra Shrub  
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 discoidea var. discoidea Whitestem goldenbush Shrub  
Ericameria ericoides Mock heather Shrub 16
Ericameria linearifolia Interior goldenbush Shrub 7
Ericameria nauseosa Rubber rabbitbrush Shrub 23
Ericameria nauseosa ssp. consimilis Rubber rabbitbrush Shrub  
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub  
Ericameria palmeri Palmer goldenweed Shrub 4
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
Eriodictyon crassifolium Thick leaved yerba santa Shrub 9
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
Eriogonum cinereum Coastal buckwheat Shrub 11
Eriogonum fasciculatum California buckwheat Shrub 41
Eriogonum fasciculatum var. fasciculatum California buckwheat Shrub 2
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 5
Eriogonum fasciculatum var. polifolium California buckwheat Shrub 3
Eriogonum giganteum St. Catherine's lace Shrub 29
Eriogonum nudum Naked buckwheat Shrub 15
Eriogonum nudum var. pauciflorum Long trumpet Shrub  
Eriogonum parvifolium Sea cliff buckwheat Shrub 25
Eriophyllum confertiflorum Yellow yarrow Shrub 20
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Eriophyllum nevinii Silverlace Shrub 7
Escobaria vivipara Viviparous foxtail cactus Shrub (stem succulent) 1
Escobaria vivipara var. alversonii Foxtail cactus Shrub (stem succulent)  
Escobaria vivipara var. deserti Desert beehive cactus Shrub (stem succulent)  
Escobaria vivipara var. rosea Viviparous foxtail cactus Shrub (stem succulent)  
Euphorbia misera Cliff spurge Shrub 6
Ferocactus cylindraceus var. cylindraceus California barrel cactus Shrub (stem succulent) 2
Ferocactus cylindraceus var. lecontei Barrel cactus Shrub (stem succulent) 2
Ferocactus viridescens var. viridescens Shrub (stem succulent) 5
Frangula californica California coffeeberry Shrub 51
Frangula californica ssp. californica California coffeeberry Shrub 43
Frangula californica ssp. cuspidata Sierra hoary coffeeberry Shrub 1
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 12
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 29
Fremontodendron californicum ssp. californicum California fremontia Shrub 25
Fremontodendron californicum ssp. decumbens Pine hill fremontia Shrub 3
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, 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
Gutierrezia sarothrae Matchweed Shrub 6
Hazardia squarrosa Saw toothed goldenbush Shrub 10
Hazardia squarrosa var. grindelioides Gum plant goldenbush Shrub 1
Hazardia squarrosa var. squarrosa Saw toothed goldenbush Shrub  
Helianthemum greenei Island rush rose Shrub  
Helianthemum scoparium Broom rose Shrub 11
Helianthemum suffrutescens Bisbee peak rush rose Shrub 11
Hemizonia clementina Island tarplant Shrub  
Hemizonia minthornii Santa susana tarplant Shrub 1
Hesperoyucca whipplei Chaparral yucca Shrub 32
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 40
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 38
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 38
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 38
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 10
Isocoma menziesii White flowered goldenbush Shrub 15
Isocoma menziesii var. decumbens Decumbent goldenbush Shrub 1
Isocoma menziesii var. menziesii Menzi