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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 3
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 1
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 1
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 7
Calandrinia menziesii Calandrinia Annual herb 7
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 5
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 19
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 1
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 6
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 20
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 3
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 1
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) 36
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 50
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 19
Gilia capitata ssp. staminea Globe gilia Annual herb  
Gilia clivorum Purple spot gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 15
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 4
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 13
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 9
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 1
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 20
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 16
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 3
Leptosyne stillmanii Stillman's coreopsis Annual herb 2
Lessingia glandulifera Valley vinegar weed Annual herb  
Lessingia glandulifera var. glandulifera Sticky lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia 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  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes alba White meadowfoam Annual herb 1
Limnanthes douglasii Common meadow foam Annual herb 8
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 16
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 1
Linaria canadensis var. texana Toad flax Annual, Perennial herb 1
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 2
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 4
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus luteolus Butter lupine Annual herb 1
Lupinus microcarpus Chick lupine Annual herb 9
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 13
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 22
Madia elegans Common madia Annual herb 14
Madia elegans ssp. vernalis Spring common madia Annual herb 13
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 9
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  
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 35
Mimulus parishii Parish mimulus Annual herb 35
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 18
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 1
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 6
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 15
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 1
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 3
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 9
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 2
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 6
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 1
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 5
Trifolium gracilentum Pin point clover Annual herb 4
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 4
Trifolium microcephalum Small head clover Annual herb 4
Trifolium microdon Valparaiso clover Annual herb  
Trifolium obtusiflorum Creek clover Annual herb 5
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 8
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
  Lifeform: Fern25 plants
  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 57
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Calycanthus occidentalis Spicebush Shrub 41
Ceanothus arboreus Island ceanothus Shrub 12
Ceanothus griseus Carmel ceanothus Shrub 37
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 43
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 18
Eriogonum fasciculatum California buckwheat Shrub 42
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 32
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 34
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 52
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 52
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 23
Salix lucida Shining willow Tree, Shrub 19
Salvia mellifera Black sage Shrub 44
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 10
Vitis californica California wild grape Vine, Shrub 39
Yucca whipplei Our lord's candle Shrub 31
  Lifeform: Tree22 plants
Acer negundo Boxelder Tree 30
Acer negundo var. californicum California box elder Tree 30
Aesculus californica Buckeye Tree 46
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 52
Quercus chrysolepis Gold cup live oak Tree 24
Quercus douglasii Blue oak Tree 26
Quercus lobata Valley oak Tree 40
Salix gooddingii Gooding's willow Tree 7
Salix laevigata Polished willow Tree 17
Salix lasiandra Pacific willow Tree 20
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Umbellularia californica California bay Tree 40
  Lifeform: Vine1 plant
 
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.