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Criteria:   found in Merced County  •   is native  •  group by lifeform
1388  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual777 plants
Abronia pogonantha Mohave sand verbena Annual herb  
Acanthomintha lanceolata Santa Clara thorn mint Annual herb  
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 2
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded 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. cryptopleura Mountain dandelion Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Agrostis hendersonii Henderson's bent grass Annual grass  
Agrostis microphylla Little leaf bentgrass Annual grass  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. gilioides Dense false gilia Annual herb  
Alopecurus carolinianus Carolina foxtail Annual grass  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus palmeri Palmer's amaranth 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 furcata Forked fiddleneck Annual herb  
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia lunaris Bent flowered fiddleneck Annual herb  
Amsinckia lycopsoides Tarweed fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb  
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Amsinckia tessellata Devil's lettuce Annual herb 4
Amsinckia tessellata var. gloriosa Large flowered devil's fiddleneck Annual herb 1
Amsinckia tessellata var. tessellata Devil's lettuce Annual herb 1
Amsinckia vernicosa Green fiddleneck Annual herb  
Amsinckia vernicosa var. furcata Forked fiddleneck Annual herb 1
Amsinckia vernicosa var. vernicosa Green fiddleneck Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Androsace elongata California rockjasmine Annual herb  
Androsace elongata ssp. acuta California androsace Annual herb  
Antirrhinum multiflorum Sticky snapdragon Annual, Perennial herb 4
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. vexillocalyculatum Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphyllon purpureum Naked broom rape Annual herb  
Apiastrum angustifolium Wild celery Annual herb  
Aristida oligantha Oldfield three awn Annual grass  
Astragalus didymocarpus Dwarf white milk vetch Annual herb  
Astragalus didymocarpus var. didymocarpus Common dwarf milkvetch Annual herb  
Astragalus gambelianus Loco weed Annual herb  
Astragalus nuttallianus Nuttall locoweed Annual herb  
Astragalus tener Alkali milk vetch Annual herb  
Astragalus tener var. tener Alkali milk vetch Annual 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 cordulata Heartscale Annual herb  
Atriplex cordulata var. cordulata Heartscale Annual herb  
Atriplex cordulata var. erecticaulis Earlimart orach Annual herb  
Atriplex coronata Crownscale Annual herb  
Atriplex coronata var. coronata Crownscale Annual herb  
Atriplex coronata var. vallicola Lost hills crownscale Annual herb  
Atriplex covillei Coville's orach Annual herb  
Atriplex depressa Brittlescale 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 minuscula Lesser saltscale Annual herb  
Atriplex parishii Parish's brittlescale Annual herb  
Atriplex patula Spear oracle Annual herb 3
Atriplex persistens Pool orache Annual herb  
Atriplex phyllostegia Leafcover saltweed Annual herb 1
Atriplex serenana Saltscale Annual herb 1
Atriplex serenana var. serenana Saltscale Annual herb  
Atriplex subspicata Spike saltbush Annual herb  
Atriplex subtilis Deltoid bract saltbush Annual herb  
Atriplex vallicola Lost hills crownscale Annual herb  
Bergia texana Texas bergia Annual herb  
Bidens frondosa Sticktight Annual herb  
Blennosperma nanum Yellow carpet Annual herb  
Blennosperma nanum var. nanum Common blennosperma Annual herb  
Blepharizonia laxa Glandular big tarweed Annual herb  
Blepharizonia plumosa ssp. viscida Glandular big tarweed Annual herb  
Bowlesia incana Bowlesia Annual herb 1
Bromus arizonicus Arizona brome Annual grass 1
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia menziesii Calandrinia Annual herb 6
California macrophylla Round leaved filaree Annual herb  
Callitriche marginata Winged water starwort Annual herb (aquatic)  
Calycadenia hooveri Hoover's calycadenia Annual herb  
Calycadenia mollis Soft calycadenia Annual herb  
Calycadenia multiglandulosa Rosin weed Annual herb  
Camissonia bistorta California sun cup Annual herb 5
Camissonia boothii Booth's sun cup Annual herb  
Camissonia boothii ssp. decorticans Redish shredding primrose Annual herb  
Camissonia campestris Field primrose Annual herb  
Camissonia campestris ssp. campestris Field sun cup Annual herb  
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia ignota Jurupa hills sun cups Annual herb 1
Camissonia strigulosa Contorted primrose Annual herb  
Camissoniopsis bistorta California sun cup Annual herb 5
Camissoniopsis ignota Jurupa hills sun cup Annual herb 1
Campanula exigua Chaparral harebell Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja brevistyla Short style owl's clover Annual herb  
Castilleja campestris Yellow owl's clover Annual herb  
Castilleja campestris ssp. campestris Yellow owl's clover Annual herb  
Castilleja campestris ssp. succulenta Succulent owl's clover Annual herb (hemiparasitic)  
Castilleja campestris var. succulenta Succulent owl's-clover Annual herb  
Castilleja densiflora Dense flower 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 lineariloba Thin lobed owl's clover Annual herb  
Castilleja rubicundula Cream sacs Annual herb  
Castilleja rubicundula ssp. lithospermoides Cream sacs Annual herb  
Caulanthus coulteri Coulter's jewel flower Annual herb  
Caulanthus coulteri var. lemmonii Lemmon's jewel flower Annual herb  
Caulanthus flavescens Yellow california mustard Annual herb 1
Caulanthus inflatus Desert candle Annual herb 3
Caulanthus lasiophyllus California mustard Annual herb  
Caulanthus lemmonii Lemmon's wild cabbage Annual herb  
Cenchrus spinifex Coastal sandbur Annual grass  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centromadia fitchii Spikeweed Annual herb  
Centromadia parryi Pappose tarweed Annual herb  
Centromadia parryi ssp. parryi Pappose tarplant Annual herb  
Centromadia parryi ssp. rudis Pappose tarweed Annual herb  
Centromadia pungens Common tarweed Annual herb 1
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. pungens Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Centrostegia thurberi Thurber spiny herb Annual herb  
Centunculus minimus False pimpernel Annual herb  
Chaenactis fremontii Fremont pincushion Annual herb  
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3
Chaenactis glabriuscula var. glabriuscula Common yellow chaenactis Annual herb  
Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis Annual herb  
Chaenactis glabriuscula var. lanosa Pincushion flower Annual herb  
Chaenactis glabriuscula var. megacephala Big headed yellow chaenactis Annual herb 1
Chaenactis xantiana Xantus' chaenactis Annual herb 1
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce hooveri Hoover's spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce serpens Creeping spurge Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamomilla occidentalis Western chamomile Annual herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chloropyron molle Soft bird's beak Annual herb  
Chloropyron molle ssp. hispidum Hispid bird's-beak Annual herb  
Chorizanthe angustifolia Narrow leaf spineflower Annual herb  
Chorizanthe membranacea Pink spineflower Annual herb 1
Chorizanthe xanti Xantus' spineflower Annual herb  
Cicendia quadrangularis Common microcalis Annual herb  
Clarkia affinis Chaparral fairyfan Annual herb  
Clarkia breweri Brewer's clarkia Annual herb 3
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 rostrata Beaked clarkia Annual herb  
Clarkia speciosa Red spotted clarkia Annual herb 3
Clarkia speciosa ssp. nitens Red spot clarkia Annual herb  
Clarkia tembloriensis Temblor range clarkia Annual herb  
Clarkia tembloriensis ssp. tembloriensis Temblor range clarkia Annual herb  
Clarkia unguiculata Woodland clarkia Annual herb 18
Clarkia virgata Clarkia Annual herb  
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia exigua ssp. glauca Blue leaved spring beauty Annual herb  
Claytonia gypsophiloides Gypsum spring beauty Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1
Claytonia perfoliata Miner's lettuce Annual herb 5
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Collinsia bartsiifolia White collinsia Annual herb 1
Collinsia bartsiifolia var. bartsiifolia White chinese houses Annual herb  
Collinsia heterophylla Chinese houses Annual herb 19
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
Convolvulus simulans Small flowered morning glory Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Conyza coulteri Coulter's horseweed Annual herb  
Cordylanthus mollis Soft bird's beak Annual herb  
Cordylanthus mollis ssp. hispidus Hispid bird's beak Annual herb (hemiparasitic)  
Coreopsis calliopsidea Leafy stemmed coreopsis Annual herb 2
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  
Crocidium multicaule Spring gold Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha clevelandii Common cryptantha Annual herb  
Cryptantha clevelandii var. clevelandii Cleveland's cryptantha Annual herb  
Cryptantha corollata Coast range cryptantha Annual herb  
Cryptantha decipiens Gravel cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha hooveri Hoover's cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha microstachys Tejon cryptantha Annual herb  
Cryptantha nemaclada Colusa cryptantha Annual herb  
Cryptantha nevadensis Nevada forget me not Annual herb  
Cryptantha oxygona Sharp nut cryptantha Annual herb  
Cryptantha pterocarya Winged nut forget me not Annual herb  
Cryptantha pterocarya var. pterocarya Wingnut cryptantha Annual herb  
Cryptantha rattanii Rattan's cryptantha Annual herb  
Cuscuta brachycalyx San joaquin dodder Annual herb, Vine (parasitic)  
Cuscuta californica California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. californica Short flowered dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. papillosa Papillate dodder Annual herb, Vine (parasitic)  
Cuscuta campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta obtusiflora Peruvian dodder Annual herb, Vine (parasitic)  
Cuscuta obtusiflora var. glandulosa Peruvian 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. papillata Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. salina Salt marsh 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 fasciculata Clustered tarweed Annual herb 5
Deinandra kelloggii Kellogg's tarweed Annual herb 1
Deschampsia danthonioides Annual hairgrass Annual grass  
Diplacus douglasii Purple mouse ears Annual herb 1
Diplacus fremontii Fremont's monkeyflower Annual herb  
Diplacus tricolor Tricolor monkeyflower Annual herb  
Downingia bella Hoover's downingia Annual herb  
Downingia bicornuta Bristled downingia Annual herb  
Downingia bicornuta var. bicornuta Bristled downingia Annual herb  
Downingia bicornuta var. picta Mountain bristled downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Downingia ornatissima Horned downingia Annual herb  
Downingia ornatissima var. eximia Showy horned downingia Annual herb  
Downingia ornatissima var. ornatissima Horned downingia Annual herb  
Downingia pulchella Flatface downingia Annual herb  
Downingia pusilla Dwarf downingia Annual herb  
Draba cuneifolia Wedge leaved draba Annual herb  
Eclipta prostrata False daisy Annual herb 1
Elatine brachysperma Short seed waterwort Annual, Perennial herb  
Elatine californica California waterwort Annual, Perennial herb  
Elatine chilensis Chilean waterwort Annual, Perennial herb (aquatic)  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Eleocharis flavescens Yellow spikerush Annual grass  
Eleocharis flavescens var. flavescens Yellow spikerush Annual grass  
Eleocharis flavescens var. thermalis Yellow spikerush Annual grass  
Eleocharis thermalis Warm springs spikerush Annual grass  
Emmenanthe penduliflora Whispering bells Annual herb 2
Emmenanthe penduliflora var. penduliflora Whispering bells Annual herb  
Emmenanthe penduliflora var. rosea Pink whispering bells Annual herb  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium cleistogamum Cleistogamous boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Epilobium torreyi Narrow boisduvalia Annual herb  
Eragrostis hypnoides Teal lovegrass Annual grass  
Eragrostis lutescens Six weeks lovegrass Annual grass  
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 parryi Parry's mallow Annual herb 1
Eremalche parryi ssp. parryi Parry's mallow Annual herb  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eremothera boothii Booth's sun cup Annual herb  
Eremothera boothii ssp. decorticans Shredding evening-primrose Annual herb  
Eriastrum pluriflorum Many flowered eriastrum Annual herb  
Eriastrum sapphirinum Sapphire eriastrum Annual herb 1
Erigeron canadensis Canada horseweed Annual herb  
Eriogonum angulosum Angled stem buckwheat Annual herb  
Eriogonum contiguum Reveal's buckwheat Annual herb  
Eriogonum gracile Slender buckwheat Annual herb 3
Eriogonum gracile var. gracile Slender buckwheat Annual herb  
Eriogonum gracillimum Rose and white buckwheat Annual herb 1
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb  
Eriogonum ordii Fort mojave buckwheat Annual herb  
Eriogonum roseum Wand buckwheat Annual herb 3
Eriogonum vestitum Idria buckwheat Annual herb  
Eriogonum viridescens Bright green buckwheat Annual herb  
Erodium macrophyllum Large leaved filaree Annual herb  
Erodium texanum Desert heron's bill Annual herb  
Eryngium racemosum Delta button celery Annual, Perennial herb  
Eryngium spinosepalum Spiny sepaled button celery Annual, Perennial herb  
Erythranthe arvensis Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe geniculata Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Erythranthe latidens Broad toothed monkeyflower Annual herb  
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 15
Eschscholzia californica California poppy Annual, Perennial herb 49
Eschscholzia hypecoides Leafy stemmed poppy Annual herb  
Eschscholzia lemmonii Lemmon's poppy Annual herb 1
Eschscholzia lemmonii ssp. lemmonii Lemmon's poppy Annual herb 1
Eschscholzia lobbii Frying pans Annual herb 4
Eulobus californicus California primrose Annual herb 1
Euphorbia glyptosperma Ridge-seeded spurge Annual herb  
Euphorbia hooveri Hoover's spurge Annual herb  
Euphorbia ocellata Contura creek spurge Annual herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Extriplex joaquinana San Joaquin spearscale Annual herb  
Festuca microstachys Small fescue Annual grass  
Festuca octoflora Sixweeks grass Annual grass 5
Filago californica California filago Annual herb  
Fimbristylis vahlii Vahl's fimbristylis Annual grass  
Galium aparine Cleavers Annual herb  
Galium tricornutum Rough bedstraw Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia achilleifolia ssp. achilleifolia California gilia Annual herb  
Gilia achilleifolia ssp. multicaulis Many stemmed gilia Annual herb  
Gilia angelensis Chaparral gilia Annual herb  
Gilia austro-occidentalis Southwestern gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 17
Gilia capitata ssp. staminea Globe gilia Annual herb  
Gilia clivorum Purple spot gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 14
Gilia tricolor ssp. diffusa Bird's eyes Annual herb  
Gilia tricolor ssp. tricolor Bird's eyes Annual herb 1
Githopsis pulchella Largeflower bluecup Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 3
Gratiola ebracteata Common hedge hyssop Annual herb  
Gratiola heterosepala Boggs lake hedge hyssop Annual herb  
Guillenia flavescens Yellow california mustard Annual herb 1
Guillenia lasiophylla Shaggy thelypod Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Hemizonia congesta ssp. luzulifolia Woodrush tarweed Annual herb 6
Hemizonia fasciculata Common tarweed Annual herb 5
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia kelloggii Kellogg's tarweed Annual herb 1
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. rudis Parry's red tarplant Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperevax acaulis Dwarf evax Annual herb  
Hesperevax acaulis var. ambusticola Fire evax Annual herb  
Hesperevax caulescens Hogwallow starfish Annual herb  
Hesperevax sparsiflora Few flowered evax Annual herb  
Hesperevax sparsiflora var. sparsiflora Few flowered evax Annual herb  
Hesperolinon californicum California western flax Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 3
Heterotheca sessiliflora Golden aster Annual herb 9
Hollisteria lanata False spineflower Annual herb  
Holocarpha heermannii Heermann's tarweed Annual herb  
Holocarpha obconica San joaquin tarweed Annual herb  
Holocarpha obconica ssp. obconica San joaquin tarweed Annual herb  
Holocarpha virgata Narrow tarplant Annual herb  
Holocarpha virgata ssp. virgata Narrow tarplant Annual herb  
Hordeum depressum Alkali barley Annual grass 3
Hordeum intercedens Vernal barley Annual grass 2
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
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 uncialis Inch high dwarf rush Annual grass  
Laennecia coulteri Coulter's horseweed Annual herb  
Lagophylla dichotoma Forked hareleaf Annual herb  
Lagophylla ramosissima Common hareleaf Annual herb  
Lastarriaea coriacea Leather spineflower Annual herb  
Lasthenia californica Goldfields Annual herb 12
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia chrysantha Alkali goldfields Annual herb  
Lasthenia ferrisiae Alkali goldfields Annual herb  
Lasthenia fremontii Vernal pool goldfields Annual, Perennial herb  
Lasthenia glaberrima Smooth goldfields Annual herb  
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 microglossa Small rayed goldfields Annual herb  
Lasthenia minor Coastal goldfields Annual herb  
Lasthenia platycarpha Alkali goldfields Annual herb  
Layia fremontii Fremont's tidy tips Annual herb  
Layia gaillardioides Woodland layia Annual herb 4
Layia glandulosa White layia Annual herb 5
Layia heterotricha Pale yellow layia Annual herb  
Layia platyglossa Tidy tips Annual herb 19
Legenere limosa Legenere Annual herb  
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium dictyotum Net pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium dictyotum var. dictyotum Net pepper grass Annual herb  
Lepidium lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum ssp. lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum var. lasiocarpum Sand peppergrass Annual herb  
Lepidium latipes Dwarf pepper grass Annual herb  
Lepidium latipes var. heckardii Heckard's pepper grass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb  
Lepidium nitidum var. oreganum Shining pepper grass Annual herb 2
Lepidium oxycarpum Sharp podded pepper grass Annual herb  
Lepidium strictum Peppergrass Annual herb  
Leptochloa fascicularis 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 uninervia Sprangletop Annual grass  
Leptosiphon ambiguus Serpentine leptosiphon Annual herb  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon filipes Thread linanthus Annual herb  
Leptosiphon grandiflorus Large flowered leptosiphon Annual herb 15
Leptosiphon liniflorus Narrowflower flaxflower Annual herb  
Leptosiphon parviflorus Variable linanthus Annual herb 1
Leptosiphon pygmaeus Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Leptosiphon pygmaeus ssp. pygmaeus Pygmy leptosiphon Annual herb  
Leptosyne calliopsidea Leafy stemmed coreopsis Annual herb 2
Leptosyne stillmanii Stillman's coreopsis Annual herb 2
Lessingia glandulifera Valley vinegar weed Annual herb  
Lessingia glandulifera var. glandulifera Sticky lessingia Annual herb 1
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia micradenia Little glandular lessingia Annual herb  
Lessingia micradenia var. glabrata Smooth lessingia Annual herb  
Lessingia nemaclada Thread stem lessingia Annual herb  
Lessingia pectinata Annual herb 1
Lessingia pectinata var. tenuipes Sticky lessingia Annual herb 1
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes alba White meadowfoam Annual herb 1
Limnanthes douglasii Common meadow foam Annual herb 7
Limnanthes douglasii ssp. douglasii Douglas' meadowfoam Annual herb  
Limnanthes douglasii ssp. nivea Snow white meadowfoam Annual herb 3
Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam Annual herb 3
Limnanthes douglasii ssp. striata Foothill meadowfoam Annual herb  
Limnanthes striata Foothill meadowfoam Annual herb  
Limosella acaulis Stemless mudwort Annual herb  
Linanthus ambiguus Serpentine linanthus Annual herb  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus dichotomus Evening snow Annual herb  
Linanthus filipes Filiform linanthus Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 15
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy 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. 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 filaginoides California cottonrose Annual herb  
Lotus humistratus Short podded lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus affinis Fleshy lupine Annual herb  
Lupinus benthamii Spider lupine Annual herb 3
Lupinus bicolor Lupine Annual, Perennial herb 15
Lupinus luteolus Butter lupine Annual herb 1
Lupinus microcarpus Chick lupine Annual herb 8
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 12
Lupinus microcarpus var. horizontalis Chick lupine Annual herb  
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus nanus Valley sky lupine Annual herb 11
Lupinus pachylobus Big pod lupine Annual herb  
Lupinus stiversii Harlequin lupine Annual herb 2
Lupinus succulentus Arroyo lupine Annual herb 21
Madia elegans Common madia Annual herb 13
Madia elegans ssp. vernalis Spring common madia Annual herb 11
Madia gracilis Gumweed Annual herb 1
Madia radiata Showy madia Annual herb  
Malacothrix californica Desert dandelion Annual herb  
Malacothrix coulteri Snake's head Annual herb 2
Malacothrix floccifera Woolly malacothrix Annual herb 1
Malacothrix torreyi Torrey's malacothrix Annual herb  
Matricaria discoidea Pineapple weed Annual herb 3
Matricaria occidentalis Valley mayweed Annual herb  
Meconella californica California meconella Annual herb  
Mentzelia affinis Yellow comet Annual herb  
Mentzelia lindleyi Lindley's blazing star Annual herb 8
Mentzelia pectinata San joaquin blazing star Annual herb  
Micranthes bryophora Bud saxifrage Annual herb  
Micropus californicus Q tips Annual herb 1
Micropus californicus var. californicus Slender cottonweed Annual herb  
Microseris acuminata Sierra foothills microseris Annual herb 1
Microseris campestris San joaquin microseris Annual herb  
Microseris douglasii Douglas' microseris Annual herb 1
Microseris douglasii ssp. douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. tenella Short scaled microseris Annual herb  
Microseris elegans Elegant silverpuffs Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus latidens Broad toothed monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 34
Mimulus parishii Parish mimulus Annual herb 34
Mimulus subsecundus One sided monkeyflower Annual herb  
Mimulus tricolor Tricolor monkeyflower Annual herb  
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Minuartia pusilla Annual sandwort Annual herb  
Monardella leucocephala Merced monardella Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Monolopia lanceolata Common monolopia Annual herb 3
Monolopia stricta Crum's monolopia Annual herb 1
Montia fontana Water montia Annual herb  
Mucronea perfoliata Perfoliate spineflower Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Myosurus minimus ssp. apus Little mouse tail Annual herb  
Myosurus sessilis Tiny mouse tail Annual herb  
Najas guadalupensis Guadalupe water nymph Annual herb  
Nama stenocarpa Mud nama Annual herb  
Nama stenocarpum Mud nama Annual, Perennial herb  
Navarretia heterandra Tehama navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. minima Little white navarretia Annual herb  
Navarretia myersii Pincushion navarretia Annual herb  
Navarretia myersii ssp. myersii Myers' pincushionplant Annual herb  
Navarretia nigelliformis Adobe navarretia Annual herb  
Navarretia nigelliformis ssp. nigelliformis Adobe navarretia Annual herb  
Navarretia nigelliformis ssp. radians Shining navarretia Annual herb  
Navarretia prostrata Prostrate navarretia Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Navarretia viscidula Sticky navarretia Annual herb  
Nemacladus gracilis Slender nemacladus Annual herb  
Nemacladus interior Sierra nemacladus Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 17
Nemophila menziesii var. menziesii Baby blue eyes Annual herb  
Neostapfia colusana Colusa grass Annual grass  
Nicotiana attenuata Coyote tobacco Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Nicotiana quadrivalvis Indian tobacco Annual herb 2
Nuttallanthus canadensis Canada toadflax Annual, Biennial herb  
Nuttallanthus texanus Blue toadflax Annual, Perennial herb  
Oenothera deltoides Desert lantern Annual herb 6
Oenothera deltoides ssp. cognata Desert lantern Annual herb  
Orcuttia inaequalis San joaquin valley orcutt grass Annual grass  
Orcuttia pilosa Hairy orcutt grass Annual grass  
Oxalis pilosa Hairy wood sorrel Annual herb  
Panicum capillare Old witch grass Annual grass 2
Papaver heterophyllum Wind poppy Annual herb 4
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum pentandrum Central california stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya pusilla Little pectocarya Annual herb  
Pectocarya setosa Moth combseed Annual herb 1
Pentachaeta exilis Slender pentachaeta Annual herb  
Pentachaeta exilis ssp. exilis Slender pentachaeta Annual herb  
Pentachaeta fragilis Fragile pygmy daisy Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia brachyloba Short lobed phacelia Annual herb 1
Phacelia breweri Brewer's phacelia 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 ciliata Great valley phacelia Annual herb 1
Phacelia ciliata var. ciliata Great valley phacelia Annual herb  
Phacelia ciliata var. opaca Merced phacelia Annual herb  
Phacelia distans Common phacelia Annual herb 3
Phacelia divaricata Divaricate phacelia Annual herb  
Phacelia douglasii Douglas' phacelia Annual herb  
Phacelia fremontii Fremont's phacelia Annual herb 2
Phacelia imbricata var. bernardina Bernadina Phacelia Annual herb  
Phacelia imbricata var. imbricata Imbricate Phacelia Annual herb  
Phacelia nashiana Charlotte's phacelia Annual herb  
Phacelia phacelioides Mt. Diablo phacelia Annual herb  
Phacelia tanacetifolia Tansy leafed phacelia Annual herb 14
Phacelia vallis-mortae Death valley phacelia Annual herb  
Phacelia vallis-mortae var. heliophila Death valley phacelia Annual herb  
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 membranaceum White fiesta flower Annual herb  
Plagiobothrys acanthocarpus Adobe allocarya Annual herb  
Plagiobothrys arizonicus Arizona popcorn flower Annual herb  
Plagiobothrys austiniae Rebecca austin's allocarya Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb  
Plagiobothrys canescens var. canescens Valley popcornflower Annual herb  
Plagiobothrys canescens var. catalinensis Catalina popcornflower Annual herb  
Plagiobothrys distantiflorus California popcorn flower Annual herb  
Plagiobothrys fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys glyptocarpus var. glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys greenei Greene's allocarya Annual herb  
Plagiobothrys humistratus Dwarf allocarya Annual herb  
Plagiobothrys hystriculus Bearded popcorn flower Annual herb  
Plagiobothrys leptocladus Alkali plagiobothrys Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys shastensis Shasta popcorn flower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys trachycarpus Rough fruited allocarya Annual herb  
Plagiobothrys undulatus Coast allocarya Annual herb  
Planodes virginica Common rock cress Annual, Perennial herb  
Planodes virginicum Common rock cress Annual, Perennial herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Plantago ovata Desert plantain Annual herb 5
Platystemon californicus Cream cups Annual herb 2
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Pluchea odorata Salt marsh fleabane Annual, Perennial herb 10
Pluchea odorata var. odorata Salt marsh fleabane Annual, Perennial herb 3
Pogogyne douglasii Douglas' pogogyne Annual herb  
Pogogyne serpylloides Thyme leaf mesa mint Annual herb  
Pogogyne zizyphoroides Sacramento mint Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Pseudobahia bahiifolia Hartweg's golden sunburst Annual herb  
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus chilensis Round woolly marbles Annual herb  
Psilocarphus oregonus Woolly marbles 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  
Puccinellia simplex California alkaligrass Annual grass  
Rafinesquia californica California chicory Annual herb  
Ranunculus bonariensis Carter's buttercup Annual herb  
Ranunculus bonariensis var. trisepalus Vernal pool buttercup Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus sceleratus Cursed crowfoot Annual herb (aquatic)  
Ranunculus sceleratus var. sceleratus Cursed buttercup Annual herb (aquatic)  
Rigiopappus leptocladus Wire weed Annual herb  
Rorippa curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris Bog yellow cress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Rumex persicarioides Golden dock Annual, Perennial herb  
Rumex violascens Mexican dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Salvia carduacea Thistle sage Annual herb 7
Salvia columbariae Chia sage Annual herb 11
Salvia columbariae var. columbariae Chia Annual herb  
Saxifraga bryophora Bud saxifrage Annual herb  
Scribneria bolanderi Scribneria Annual grass  
Sedella pentandra Mt. Hamilton mock stonecrop Annual herb  
Sedella pumila Sierra mock stonecrop Annual herb  
Senecio aphanactis California groundsel Annual herb  
Senecio californicus California butterweed Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Sidalcea calycosa Checker mallow Annual herb 3
Sidalcea calycosa ssp. calycosa Checker mallow Annual herb  
Sidalcea hartwegii Hartweg's checkerbloom Annual herb  
Sidalcea hirsuta Hairy checkerbloom Annual herb  
Sidalcea keckii Keck's checkerbloom Annual herb  
Silene antirrhina Sleepy catch fly 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
Stebbinsoseris heterocarpa Grassland stebbinsoseris Annual herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria exigua Small wirelettuce Annual herb  
Stephanomeria exigua ssp. coronaria White plume wirelettuce Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Streptanthus albidus ssp. peramoenus Most beautiful jewel flower Annual herb 1
Streptanthus glandulosus Bristly jewelflower Annual herb 2
Streptanthus glandulosus ssp. glandulosus Jewelflower Annual herb 1
Streptanthus insignis San benito jewelflower Annual herb 2
Streptanthus insignis ssp. insignis San benito jewelflower Annual herb  
Streptanthus insignis ssp. lyonii Arburua ranch jewel flower Annual herb  
Streptanthus polygaloides Milkwort jewelflower Annual herb  
Streptanthus tortuosus Jewelweed Annual, Perennial herb  
Stutzia covillei Coville's orach Annual herb 1
Stylomecon heterophylla Wind poppy Annual herb 4
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Tetrapteron graciliflorum Hill sun cup Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus curvipes ssp. elegans Fringe Pod Annual herb  
Thysanocarpus laciniatus Narrow leaved lacepod Annual herb  
Trianthema portulacastrum Horse purslane Annual herb  
Trichocoronis wrightii Limestone bugheal Annual herb  
Trichocoronis wrightii var. wrightii Wright's trichocoronis 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 bifidum Notch leaf clover Annual herb 2
Trifolium bifidum var. decipiens Notch leaf clover Annual herb 2
Trifolium ciliolatum Tree clover Annual herb 6
Trifolium depauperatum Dwarf sack clover Annual herb  
Trifolium depauperatum var. amplectens Pale sack clover Annual herb  
Trifolium depauperatum var. depauperatum Dwarf bladder clover Annual herb  
Trifolium depauperatum var. truncatum Dwarf sack clover Annual herb  
Trifolium dichotomum Branched indian clover Annual herb  
Trifolium fucatum Bull clover Annual herb 4
Trifolium gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5
Trifolium microcephalum Small head clover Annual herb 4
Trifolium microdon Valparaiso clover Annual herb  
Trifolium obtusiflorum Creek clover Annual herb 4
Trifolium oliganthum Few flowered clover Annual herb 1
Trifolium polyodon Pacific grove clover Annual herb 1
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium willdenovii Tomcat clover Annual herb 7
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triodanis biflora Venus looking glass Annual herb  
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Triphysaria eriantha ssp. rosea Pink butter 'n' eggs Annual herb  
Triphysaria micrantha Little butter 'n' eggs Annual herb  
Tropidocarpum gracile Slender tropidocarpum Annual herb  
Tuctoria greenei Greene's tuctoria Annual grass  
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  
Vulpia microstachys Fescue Annual grass 6
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora Slender fescue Annual grass 5
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass  
Wislizenia refracta Jack ass clover Annual herb  
Wislizenia refracta ssp. californica California jackass clover Annual herb  
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera davyi Davy's centaury Annual herb 1
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
  Lifeform: Perennial466 plants
Achillea millefolium Yarrow Perennial herb 70
Achnatherum speciosum Desert needlegrass Perennial grass 8
Acmispon glaber Deerweed Perennial herb 22
Acmispon glaber var. glaber Deerweed Perennial herb  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium crispum Crinkled onion Perennial herb (bulb) 2
Allium diabolense Diablo onion Perennial herb (bulb)  
Allium dichlamydeum Coast onion Perennial herb (bulb) 2
Allium howellii Howell's onion Perennial herb (bulb) 1
Allium howellii var. howellii Howell's onion Perennial herb (bulb)  
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium lacunosum Pitted onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium serra Jeweled onion Perennial herb (bulb) 1
Allium tuolumnense Rawhide hill onion Perennial herb (bulb)  
Ambrosia psilostachya Ragweed Perennial herb 6
Anemopsis californica Yerba mansa Perennial herb 32
Antennaria geyeri Geyer's pussytoes Perennial herb  
Antirrhinum thompsonii Perennial herb 4
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Apocynum cannabinum Indian hemp Perennial herb 11
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Artemisia douglasiana California mugwort Perennial herb 35
Arthrocnemum subterminale Parish's glasswort Perennial herb 4
Asclepias californica California milkweed Perennial herb 8
Asclepias californica ssp. greenei Greene's california milkweed Perennial herb 7
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias vestita Woolly milkweed Perennial herb  
Astragalus asymmetricus San joaquin milk vetch Perennial herb 1
Astragalus douglasii Douglas's milkvetch Perennial herb  
Astragalus douglasii var. douglasii Douglas's milkvetch Perennial herb  
Astragalus oxyphysus Stanislaus milk vetch Perennial herb  
Atriplex fruticulosa Ball saltbush Perennial herb  
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Bacopa eisenii Gila river water hyssop Perennial herb  
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens laevis Bur marigold Perennial herb 4
Bloomeria crocea Golden stars Perennial herb 10
Boechera breweri Brewer's rock cress Perennial herb 1
Boechera breweri ssp. breweri Brewer's rockcress Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Brasenia schreberi Watershield Perennial herb (aquatic)  
Brodiaea appendiculata Hoover's brodiaea Perennial herb 1
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea minor Low brodiaea Perennial herb 2
Brodiaea nana Dwarf brodiaea Perennial herb  
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
Bromus carinatus California bromegrass Perennial grass 20
Bromus carinatus var. carinatus California brome Perennial grass 20
Bromus sitchensis var. carinatus California brome Perennial grass 20
Callitriche fassettii Fassett's water starwort Perennial herb  
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche longipedunculata Longstock water-starwort Perennial herb  
Calochortus clavatus Club haired mariposa Perennial herb 1
Calochortus clavatus var. pallidus Pale yellow mariposa Perennial herb 1
Calochortus luteus Yellow mariposa Perennial herb 5
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. cuneata Milk maids Perennial herb  
Carex barbarae Valley sedge Perennial grass 24
Carex densa Sedge Perennial grass 8
Carex dudleyi Dudley's sedge Perennial grass 8
Carex luzulifolia Littleleaf sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 14
Carex phaeocephala Mountain hare sedge Perennial grass  
Carex praegracilis Field sedge Perennial grass 28
Carex preslii Presl's sedge Perennial grass 1
Carex rossii Ross' sedge Perennial grass 1
Carex serratodens Bifid sedge Perennial grass 2
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Castilleja foliolosa Texas paintbrush Perennial herb 3
Ceratophyllum demersum Hornwort Perennial herb 1
Chenopodium californicum California goosefoot Perennial herb 1
Chlorogalum angustifolium Narrow leaved soaproot Perennial herb 1
Chlorogalum pomeridianum Amole Perennial herb 18
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Cirsium cymosum Peregrine thistle Perennial herb  
Cirsium cymosum var. cymosum Peregrine thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. venustum Venus thistle Perennial herb  
Clematis lasiantha Pipestem Perennial herb, Vine 26
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Corethrogyne filaginifolia Common sandaster Perennial herb 10
Corethrogyne filaginifolia var. filaginifolia Common sandaster Perennial herb 12
Cressa truxillensis Alkali weed Perennial herb 3
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cynoglossum grande Houndstongue Perennial herb 5
Cyperus eragrostis Tall cyperus Perennial grass 12
Cyperus esculentus Nut grass Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 21
Datisca glomerata Durango root Perennial herb 2
Datura wrightii Jimsonweed Perennial herb 16
Delphinium californicum Coast larkspur Perennial herb 3
Delphinium californicum ssp. interius Coastal larkspur Perennial herb  
Delphinium gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium gypsophilum ssp. gypsophilum Gypsum loving larkspur Perennial herb  
Delphinium hansenii Hansen's larkspur Perennial herb  
Delphinium hansenii ssp. ewanianum Ewan's larkspur Perennial herb  
Delphinium hansenii ssp. hansenii Hansen's larkspur Perennial herb  
Delphinium hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb  
Delphinium parishii Parish's larkspur Perennial herb  
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. patens Spreading larkspur Perennial herb  
Delphinium recurvatum Recurved larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum ssp. variegatum Royal larkspur Perennial herb  
Dicentra chrysantha Golden eardrops Perennial herb 4
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
Dichelostemma volubile Twining brodiaea Perennial herb 7
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Distichlis spicata Salt grass Perennial grass 24
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 11
Dudleya abramsii Abrams' dudleya Perennial herb 2
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. paniculata Diablo range dudleya Perennial herb  
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Ehrendorferia chrysantha Golden eardrops Perennial herb 4
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush 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 quadrangulata Four angled spikerush Perennial grass  
Elodea canadensis Common water weed Perennial herb  
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus glaucus Blue wildrye Perennial grass 32
Elymus multisetus Big squirreltail grass Perennial grass 13
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Epilobium canum California fuchsia Perennial herb 50
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. glandulosum Glandular willowherb Perennial herb 1
Epilobium palustre Marsh willow herb Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. petrophilus Cliff fleabane Perennial herb  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriogonum elongatum Longstem buckwheat Perennial herb 3
Eriogonum elongatum var. elongatum Long stemmed buckwheat Perennial herb 3
Eriogonum inflatum Desert trumpet Perennial herb  
Eriogonum nudum var. indictum Naked buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriophyllum jepsonii Jepson's woolly sunflower Perennial herb 2
Eriophyllum lanatum Wooly sunflower Perennial herb 27
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum staechadifolium Lizard tail Perennial herb 17
Eryngium castrense Great valley button celery Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Eryngium vaseyi var. vallicola Coyote thistle Perennial herb  
Erysimum capitatum Wallflower Perennial herb 10
Erysimum capitatum var. angustatum Contra costa wallflower Perennial herb 1
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. lompocense San luis obispo wallflower Perennial herb 1
Erythranthe cardinalis Cardinal monkey flower Perennial herb 41
Erythranthe nasuta Perennial herb  
Eschscholzia californica ssp. californica California poppy Perennial herb 2
Eschscholzia procera Kernville poppy Perennial herb 2
Euthamia occidentalis Western goldenrod Perennial herb 15
Frankenia salina Yerba reuma, alkali heath Perennial herb 11
Fritillaria agrestis Stinkbells Perennial herb (bulb) 1
Galium mexicanum Mexican 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  
Glycyrrhiza lepidota Lichorice Perennial herb 1
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Grindelia camporum Gumweed Perennial herb 13
Grindelia camporum var. camporum Great valley gumweed Perennial herb 1
Grindelia hirsutula Gumweed Perennial herb 12
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 12
Grindelia hirsutula var. hirsutula Hairy gumweed Perennial herb  
Grindelia stricta Gumweed Perennial herb 28
Gutierrezia californica Matchweed, snakeweed Perennial herb, Shrub 5
Helenium puberulum Sneezeweed Perennial herb 9
Helianthus californicus California sunflower Perennial herb 4
Helianthus nuttallii Nuttall's sunflower Perennial herb  
Heliotropium curassavicum Chinese parsley Perennial herb 7
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 1
Heterotheca sessiliflora ssp. echioides Bristly goldenaster Perennial herb  
Hoita macrostachya California hemp Perennial herb 5
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum jubatum Fox tail barley Perennial grass 7
Hordeum jubatum ssp. jubatum Foxtail barley, squirreltail barley Perennial grass  
Hydrocotyle ranunculoides Marsh pennywort Perennial herb 2
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Iris longipetala Coast iris Perennial herb 25
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus exiguus Klamath or weak rush Perennial grass  
Juncus mexicanus Mexican rush Perennial grass 10
Juncus phaeocephalus Brown headed rush Perennial grass 9
Juncus phaeocephalus var. paniculatus Rush Perennial grass  
Juncus textilis Basket rush Perennial grass 7
Juncus xiphioides Iris leaved rush Perennial grass 16
Koeleria macrantha June grass Perennial grass 29
Lathyrus jepsonii Tule pea Perennial herb 1
Lathyrus jepsonii var. californicus California tule pea Perennial herb 1
Lathyrus vestitus Common pacific pea Perennial herb 7
Leersia oryzoides Rice cutgrass Perennial grass 2
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna trisulca Star duckweed Perennial herb  
Lessingia filaginifolia var. californica Beach aster Perennial herb 10
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 9
Leymus triticoides Alkali rye Perennial grass 30
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. caruifolium Caraway leaved lomatium Perennial herb  
Lomatium congdonii Congdon's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium utriculatum Hog fennel Perennial herb 2
Lotus scoparius Deerweed Perennial herb 22
Lotus scoparius var. scoparius Deerweed Perennial herb  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Ludwigia repens Creeping water primrose Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus grayi Gray's lupine Perennial herb 2
Lupinus polyphyllus Bog lupine Perennial herb 26
Lycopus americanus Bugleweed Perennial herb 2
Lysimachia latifolia Pacific starflower Perennial herb 2
Lythrum californicum Common loosestrife Perennial herb  
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 5
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 3
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 2
Melica imperfecta Coast range melic Perennial grass 21
Micranthes californica Greene's saxifrage Perennial herb  
Microseris sylvatica Sylvan scorzonella Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Minuartia cismontana Cismontane minuartia Perennial herb  
Mirabilis californica Wishbone bush Perennial herb 12
Mirabilis laevis Desert wishbone bush Perennial herb 3
Mirabilis laevis var. crassifolia California four o'clock Perennial herb 12
Moehringia macrophylla Large leaved sandwort Perennial herb  
Monardella villosa Coyote mint Perennial herb 27
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia rigens Deergrass Perennial grass 62
Muilla maritima Common muilla Perennial herb 1
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Nassella cernua Nodding needlegrass Perennial grass 24
Nassella lepida Small flowered stipa Perennial grass 25
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nitrophila occidentalis Western nitrophila Perennial herb  
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 18
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Packera breweri Brewer's ragwort Perennial herb  
Paspalum distichum Knot grass Perennial grass 2
Penstemon heterophyllus Foothill penstemon Perennial herb 40
Penstemon heterophyllus var. australis Southern foothill penstemon Perennial herb  
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon heterophyllus var. purdyi Purdy's foothill penstemon Perennial herb 1
Perideridia californica California yampah Perennial herb 4
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 imbricata Imbricate phacelia Perennial herb 3
Phacelia imbricata ssp. imbricata Imbricate phacelia Perennial herb  
Phacelia mutabilis Changeable phacelia Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phragmites australis Common reed Perennial grass 1
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. incisa Common lippia Perennial herb 12
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyla nodiflora var. rosea Garden lippia Perennial herb 12
Piperia michaelii Michael's rein orchid Perennial herb  
Plantago subnuda Coastal plantain Perennial herb 7
Poa ampla Western blue grass Perennial grass 15
Poa juncifolia Western blue grass Perennial grass 14
Poa nevadensis Sierra blue grass Perennial grass 14
Poa secunda Pine bluegrass Perennial grass 18
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 18
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton berchtoldii Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. patula Padre's shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 11
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 3
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 12
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rumex californicus California dock Perennial herb  
Rumex crassus Willow leaved dock Perennial herb  
Rumex hymenosepalus Wild rhubarb Perennial herb  
Rumex salicifolius var. crassus Willow leaved dock Perennial herb  
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Ruppia maritima Ditch grass Perennial herb (aquatic)  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria longiloba Long lobed arrowhead Perennial herb (aquatic)  
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Salicornia subterminalis Parish's glasswort Perennial herb 4
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 3
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 25
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 14
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. longispicatus 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 14
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Senecio breweri Brewer's groundsel Perennial herb  
Sesuvium verrucosum Western sea purslane Perennial herb 1
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sidalcea malviflora Wild hollyhock Perennial herb 21
Sidalcea malviflora ssp. laciniata Laciniate checker mallow Perennial herb (rhizomatous)  
Sparganium erectum Simplestem bur reed Perennial herb  
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Sparganium eurycarpum var. greenei Bur reed Perennial herb 2
Spergularia macrotheca Sticky sand spurry Perennial herb 2
Spergularia macrotheca var. leucantha White sticky sand spurry Perennial herb  
Spirodela polyrhiza Giant duckmeat Perennial herb  
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus cryptandrus Sand dropseed Perennial grass 11
Stachys ajugoides Hedge nettle Perennial herb 7
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 7
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys albens Cobwebby hedge nettle Perennial herb 9
Stachys bergii Berg's hedgenettle Perennial herb  
Stachys bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb  
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stephanomeria pauciflora Wire lettuce Perennial herb 1
Stipa cernua Nodding needle grass Perennial grass 24
Stipa lepida Foothill needle grass Perennial grass 25
Stipa pulchra Purple needle grass Perennial grass 42
Stipa speciosa Desert needle grass Perennial grass 8
Stuckenia filiformis Fineleaf pondweed Perennial herb (rhizomatous)  
Stuckenia filiformis ssp. alpina Fineleaf pondweed Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suaeda moquinii Bush seepweed Perennial herb 3
Suaeda nigra Bush seepweed Perennial herb 3
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium wormskioldii Cow clover Perennial herb 7
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia laxa Ithuriel's spear Perennial herb 12
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
Utricularia macrorhiza Common bladderwort Perennial herb  
Verbena lasiostachys Western vervain Perennial herb 17
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Veronica americana American brooklime Perennial herb 6
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Viola douglasii Douglas' violet Perennial herb 2
Viola lobata Moose horn violet Perennial herb  
Viola pedunculata California golden violet Perennial herb  
Viola pedunculata ssp. pedunculata Johnny jump up Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Wolffiella lingulata Mud midget Perennial herb  
Wyethia helenioides Whitehead wyethia Perennial herb 2
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern25 plants
Adiantum capillus-veneris Venus hair Fern 14
Adiantum jordanii Adiantum Fern 4
Azolla filiculoides Mosquito fern Fern  
Azolla mexicana Mexican mosquito fern Fern  
Azolla microphylla Mexican mosquito fern Fern  
Cheilanthes intertexta Coastal lipfern Fern  
Equisetum Xferrissii Ferris' horsetail Fern  
Equisetum laevigatum Smooth scouring rush Fern 2
Isoetes howellii Quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Isoetes orcuttii Orcutt's quillwort Fern (aquatic)  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris intertexta Coastal lip fern Fern  
Ophioglossum californicum California adder's tongue Fern (rhizomatous)  
Pellaea andromedifolia Coffee fern Fern 3
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Pilularia americana Pillwort Fern  
Selaginella bigelovii Bigelow's moss fern Fern (mosslike) 2
Selaginella hansenii Hansen's spike moss Fern (mosslike)  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub96 plants
Allenrolfea occidentalis Iodine bush Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Artemisia californica Coastal sage brush Shrub 44
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Atriplex canescens Hoary saltbush Shrub 22
Atriplex canescens ssp. canescens Shadscale Shrub 1
Atriplex canescens var. canescens Fourwing saltbush Shrub 1
Atriplex lentiformis Big saltbush Shrub 34
Atriplex polycarpa Cattle spinach Shrub 10
Atriplex spinifera Spinescale saltbush Shrub 6
Baccharis pilularis Coyote brush Shrub 58
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Calycanthus occidentalis Spicebush Shrub 40
Ceanothus arboreus Island ceanothus Shrub 12
Ceanothus griseus Carmel ceanothus Shrub 38
Ceanothus thyrsiflorus var. griseus Carmel ceanothus Shrub 17
Cephalanthus occidentalis Common buttonbush Shrub 14
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercis occidentalis Western redbud Tree, Shrub 66
Cornus sericea American dogwood Shrub 42
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Diplacus longiflorus southern bush monkeyflower Shrub 13
Eastwoodia elegans Yellow mock aster Shrub  
Ephedra californica Desert tea Shrub 2
Ericameria linearifolia Interior goldenbush Shrub 6
Eriogonum arborescens Island buckwheat Shrub 19
Eriogonum fasciculatum California buckwheat Shrub 43
Eriogonum fasciculatum var. polifolium California buckwheat Shrub 3
Eriogonum nudum Naked buckwheat Shrub 15
Eriophyllum confertiflorum Yellow yarrow Shrub 22
Eriophyllum confertiflorum var. confertiflorum Golden yarrow Shrub 1
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Hesperoyucca whipplei Chaparral yucca Shrub 33
Heteromeles arbutifolia Toyon Shrub 64
Isocoma acradenia Alkali goldenbush Shrub  
Isocoma acradenia var. bracteosa Bracted alkali goldenbush Shrub  
Isocoma menziesii White flowered goldenbush Shrub 15
Isomeris arborea Bladderpod Shrub 31
Juniperus californica California juniper Shrub 4
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. glabrisepala Hairless gaping keckiella Shrub  
Lupinus albifrons Silver bush lupine Shrub 33
Lupinus albifrons var. collinus Silver bush lupine Shrub 8
Lycium brevipes Fruitilla Shrub 3
Lycium brevipes var. hassei Santa catalina island desert thorn Shrub  
Malacothamnus arcuatus Arcuate bush mallow Shrub 15
Malacothamnus fasciculatus Chaparral bush mallow Shrub 19
Malacothamnus hallii Hall's bush mallow Shrub 15
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus aurantiacus var. pubescens Sticky monkeyflower Shrub 2
Mimulus puniceus Red bush monkeyflower Shrub 51
Peritoma arborea Bladderpod Shrub 29
Peritoma arborea var. globosa Bladderpod Shrub  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Prosopis glandulosa Honey mesquite Tree, Shrub 14
Prosopis glandulosa var. torreyana Honey mesquite Tree, Shrub 5
Prunus ilicifolia Holly leaf cherry Tree, Shrub 34
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Ptelea crenulata Hop tree Tree, Shrub 4
Quercus wislizeni Interior live oak Tree, Shrub 22
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhododendron macrophyllum California rose bay Shrub 9
Rhus aromatica Fragrant sumac Shrub 32
Rhus trilobata Skunkbrush Shrub 32
Ribes aureum Golden currant Shrub 50
Ribes aureum var. gracillimum Golden currant Shrub 9
Ribes malvaceum Chaparral currant Shrub 23
Ribes quercetorum Oak gooseberry Shrub 2
Rosa californica California wild rose Shrub 51
Rosa woodsii Woods' rose Shrub 28
Rubus ursinus California blackberry Vine, Shrub 38
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix lasiolepis Arroyo willow Tree, Shrub 22
Salix lucida Shining willow Tree, Shrub 20
Salvia mellifera Black sage Shrub 45
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Senecio flaccidus Shrubby ragwort Shrub 6
Senecio flaccidus var. douglasii Bush groundsel Shrub 3
Solanum umbelliferum Blue witch Shrub 11
Vitis californica California wild grape Vine, Shrub 39
Yucca whipplei Our lord's candle Shrub 32
  Lifeform: Tree22 plants
Acer negundo Boxelder Tree 29
Acer negundo var. californicum California box elder Tree 30
Aesculus californica Buckeye Tree 45
Alnus rhombifolia White alder Tree 38
Fraxinus latifolia Oregon ash Tree 29
Juglans californica var. hindsii Northern california black walnut Tree 13
Juglans hindsii Northern california black walnut Tree 13
Pinus sabiniana Gray pine Tree 28
Platanus racemosa California sycamore Tree 36
Populus fremontii Fremont cottonwood Tree 32
Populus fremontii ssp. fremontii Cottonwood Tree 4
Quercus Xmorehus Oracle oak Tree 1
Quercus agrifolia Coast live oak Tree 51
Quercus chrysolepis Gold cup live oak Tree 25
Quercus douglasii Blue oak Tree 26
Quercus lobata Valley oak Tree 40
Salix gooddingii Gooding's willow Tree 7
Salix laevigata Polished willow Tree 18
Salix lasiandra Pacific willow Tree 21
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Umbellularia californica California bay Tree 40
  Lifeform: Vine1 plant
Cuscuta howelliana Boggs lake dodder Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Merced County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.