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Criteria:   found in Nevada County  •   is native  •  group by lifeform
4008  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual999 plants
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 7
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon parviflorus Hill lotus Annual herb  
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. crenulata Annual agoseris Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Aliciella latifolia ssp. imperialis Broadleaf gilia Annual herb  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb  
Allophyllum integrifolium White allophyllum Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Amaranthus powellii ssp. bouchonii Annual herb  
Amaranthus powellii ssp. powellii Powell's amaranth Annual herb  
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb  
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia vernicosa var. furcata Forked fiddleneck Annual herb 2
Amsinckia vernicosa var. vernicosa Green fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Androsace occidentalis var. simplex Western rock jasmine Annual herb  
Androsace septentrionalis ssp. subumbellata Pygmy rock jasmine Annual, Perennial herb 1
Antirrhinum cornutum Spurred snapdragon Annual herb  
Antirrhinum cyathiferum Deep canyon snapdragon Annual herb  
Antirrhinum leptaleum Spurred snapdragon Annual herb  
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. intermedium Intermediate sail flower snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. intermedium Wiry snapdragon Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphyllon purpureum Annual herb  
Arida arizonica Silver lake daisy Annual herb  
Aristida oligantha Oldfield three awn Annual grass  
Aster frondosus Short rayed alkali aster Annual herb  
Astragalus clarianus Clara hunt's milk vetch Annual herb  
Astragalus gambelianus var. elmeri Elmer's dwarf milk vetch Annual herb  
Astragalus lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. ineptus Fumbling milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. platyphyllidius Volcanic milk vetch Annual, Perennial herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atriplex argentea var. mohavensis Mojave silverscale Annual herb 2
Atriplex covillei Coville's orach Annual herb  
Atriplex erecticaulis Erectstem saltbush Annual herb  
Atriplex joaquinana San joaquin spearscale Annual herb  
Atriplex joaquiniana San joaquin orache Annual herb  
Atriplex longitrichoma Long hair silverscale Annual herb  
Atriplex patula var. obtusa Spear oracle Annual herb  
Atriplex patula var. patula Spear oracle Annual herb 3
Atriplex phyllostegia Leafcover saltweed Annual herb 1
Atriplex subspicata Spike saltbush Annual herb  
Atriplex vallicola Lost hills crownscale Annual herb  
Beckmannia syzigachne American sloughgrass Annual grass 5
Bidens frondosa Sticktight Annual herb  
Blennosperma nanum Yellow carpet Annual herb  
Blennosperma nanum var. nanum Common blennosperma Annual herb  
Blepharizonia plumosa ssp. plumosa Big tarplant Annual herb  
Blepharizonia plumosa ssp. viscida Glandular big tarweed Annual herb  
Boerhavia intermedia Fivewing spiderling Annual herb  
Bromus laevipes Narrow flowered brome Annual, Perennial grass 4
Bromus orcuttianus Orcutt's brome grass Annual grass 1
Bromus vulgaris Common brome Annual grass 1
Bulbostylis capillaris Thread leaf beakseed Annual grass  
Calandrinia ambigua Desert calendrinia Annual herb  
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia maritima Seaside calandrinia Annual herb  
Calandrinia menziesii Red maids Annual herb 6
Calibrachoa parviflora Seaside petunia Annual herb  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche verna Water starwort Annual herb  
Calycadenia fremontii Fremont's calycadenia Annual herb  
Calycadenia multiglandulosa Rosin weed Annual herb 1
Calycadenia oppositifolia Butte county calycadenia Annual herb  
Calycadenia spicata Spicate calycadenia Annual herb  
Calycadenia truncata Rosin weed Annual herb  
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb  
Calyptridium monandrum Common pussypaws Annual herb  
Calyptridium parryi var. arizonicum Parry's pussypaws Annual herb  
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3
Calyptridium umbellatum var. caudiciferum Alpine cistanthe Annual, Perennial herb 3
Calyptridium umbellatum var. umbellatum Mt. hood pussypaws Annual, Perennial herb  
Camissonia andina Plateau evening primrose Annual herb  
Camissonia arenaria Mousetail evening primrose Annual, Perennial herb  
Camissonia bistorta California sun cup Annual herb 5
Camissonia boothii Booth's sun cup Annual herb  
Camissonia boothii ssp. alyssoides Pine creek evening primrose Annual herb  
Camissonia boothii ssp. boothii Booth's evening primrose Annual herb  
Camissonia boothii ssp. condensata Clustered booth's desert primrose Annual herb  
Camissonia boothii ssp. decorticans Redish shredding primrose Annual herb  
Camissonia boothii ssp. desertorum Desert shredding primrose Annual herb  
Camissonia boothii ssp. intermedia Desert shredding primrose Annual herb  
Camissonia brevipes Yellov cups Annual herb  
Camissonia brevipes ssp. arizonica Arizona sun cup Annual herb  
Camissonia brevipes ssp. brevipes Golden sun cup Annual herb  
Camissonia brevipes ssp. pallidula Pale sun cup Annual herb  
Camissonia californica California primrose Annual herb 1
Camissonia cardiophylla ssp. robusta Big heartleaf sun cup Annual, Perennial herb  
Camissonia chamaenerioides Long fruit suncup Annual herb  
Camissonia claviformis Brown eyed primrose Annual herb  
Camissonia claviformis ssp. aurantiaca Pinnate leaved primrose Annual herb  
Camissonia claviformis ssp. claviformis Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. cruciformis Cross flowered clavate fruited primrose Annual herb  
Camissonia claviformis ssp. funerea Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. integrior Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. lancifolia Clavate fruited primrose Annual herb  
Camissonia claviformis ssp. peirsonii Peirson's clavate fruited primrose Annual herb  
Camissonia claviformis ssp. yumae Yuma clavate fruited primrose Annual herb  
Camissonia confusa San bernardino sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Camissonia guadalupensis ssp. clementina San clemente island evening primrose Annual herb  
Camissonia hardhamiae Hardham's evening primrose Annual herb  
Camissonia heterochroma Shockley's evening primrose Annual herb  
Camissonia hirtella Hairy sun cups Annual herb  
Camissonia ignota Jurupa hills sun cups Annual herb 1
Camissonia intermedia Intermediate sun cups Annual herb  
Camissonia lewisii Lewis's evening primrose Annual herb  
Camissonia luciae Santa lucia sun cup Annual herb  
Camissonia micrantha Spencer primrose Annual herb 2
Camissonia minor Nelson's evening primrose Annual herb  
Camissonia munzii Munz's evening primrose Annual herb  
Camissonia pallida Pale yellow sun cup Annual herb 2
Camissonia pallida ssp. hallii Hall's sun cup Annual herb  
Camissonia pallida ssp. pallida Pale sun cup Annual herb  
Camissonia palmeri Palmer's sun cup Annual herb  
Camissonia pterosperma Wing fruit sun cup Annual herb  
Camissonia refracta Narrow leaved primrose Annual herb  
Camissonia robusta Robust sun cup Annual herb  
Camissonia walkeri ssp. tortilis Walker's sun cup Annual, Perennial herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja ambigua Johnny nip Annual herb  
Castilleja attenuata Narrow leaved 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 lacera Foothill owl's clover Annual herb  
Castilleja lineariloba Thin lobed owl's clover Annual herb  
Castilleja rubicundula Cream sacs Annual herb  
Castilleja tenuis Hairy owl's clover Annual herb  
Caulanthus amplexicaulis var. amplexicaulis Clasping leaved caulanthus Annual herb  
Caulanthus coulteri var. coulteri Coulter's jewel flower Annual herb  
Caulanthus coulteri var. lemmonii Lemmon's jewel flower Annual herb  
Caulanthus heterophyllus var. heterophyllus Slender pod jewelflower Annual herb  
Cenchrus spinifex Coastal sandbur Annual grass  
Centaurium davyi Davy's centaury Annual herb 1
Centaurium exaltatum Cancha lagua Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium trichanthum Alkali centaury Annual herb  
Centaurium venustum Beautiful centaury Annual herb  
Centromadia fitchii Spikeweed Annual herb  
Centromadia 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  
Centunculus minimus False pimpernel Annual herb  
Chaenactis douglasii Chaenactis Annual, Perennial herb  
Chaenactis douglasii var. douglasii Dusty maidens Annual, Perennial herb  
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3
Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis Annual herb  
Chamaesyce abramsiana Abrams' prostrate spurge Annual herb  
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce hooveri Hoover's spurge Annual herb  
Chamaesyce micromera Desert spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. arenicola Sand spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat Annual herb  
Chamaesyce ocellata ssp. rattanii Stony creek spurge Annual herb  
Chamaesyce parryi Parry's spurge Annual herb  
Chamaesyce platysperma Flat seeded spurge Annual herb  
Chamaesyce revoluta Rolled leaf spurge Annual herb  
Chamaesyce serpens Creeping spurge Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. hirtula Hairy thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce setiloba Yuma spurge Annual herb  
Chamomilla occidentalis Western chamomile Annual herb  
Chenopodium album var. stevensii Stevens' lambsquarters Annual herb  
Chenopodium atrovirens Dark green goosefoot Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium desiccatum Dry goosefoot Annual herb  
Chenopodium hians Gaping goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chorisiva nevadensis Nevada sumpweed Annual herb  
Chorizanthe membranacea Pink spineflower Annual herb 1
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. polygonoides Knotweed spineflower Annual herb  
Citrullus colocynthis var. citroides Citron Annual herb  
Clarkia amoena Farewell to spring Annual herb 16
Clarkia amoena ssp. amoena Farewell to spring Annual herb 1
Clarkia arcuata Glandular fairyfan Annual herb  
Clarkia biloba Two lobed clarkia Annual herb  
Clarkia biloba ssp. biloba Two lobed clarkia Annual herb  
Clarkia biloba ssp. brandegeae Brandegee's two lobed clarkia Annual herb  
Clarkia biloba ssp. brandegeeae Brandegee's clarkia Annual herb  
Clarkia cylindrica Speckled clarkia Annual herb  
Clarkia dudleyana Dudley's clarkia Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 2
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb  
Clarkia heterandra California gaura Annual herb  
Clarkia mosquinii ssp. mosquinii Mosquin's clarkia Annual herb  
Clarkia mosquinii ssp. xerophylla Mosquin's clarkia Annual herb  
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. purpurea Purple clarkia Annual herb 2
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia purpurea ssp. viminea Large godetia Annual herb  
Clarkia rhomboidea Tongue clarkia Annual herb 1
Clarkia stellata Lake almanor clarkia Annual herb  
Clarkia unguiculata Woodland clarkia Annual herb 19
Clarkia williamsonii Fort Miller clarkia Annual herb 4
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb  
Claytonia perfoliata Miner's lettuce Annual herb 5
Claytonia perfoliata ssp. mexicana Southern miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb  
Cleome lutea Yellow bee plant Annual herb 1
Cleome platycarpa Golden bee plant Annual herb  
Cleome serrulata Rocky mountain bee plant Annual herb 8
Cleome sparsifolia Fewleaf bee plant Annual herb  
Collinsia bartsiifolia White collinsia Annual herb 1
Collinsia bartsiifolia var. davidsonii Davidson's collinsia Annual herb 1
Collinsia heterophylla Chinese houses Annual herb 19
Collinsia linearis Narrow leaf collinsia Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb  
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
Collinsia sparsiflora var. sparsiflora Few flowered collinsia Annual herb  
Collinsia stricta Narrow collinsia Annual herb 1
Collinsia tinctoria Tincture plant Annual herb 1
Collinsia torreyi Torrey's collinsia Annual herb  
Collinsia torreyi var. torreyi Torrey's collinsia Annual herb  
Collinsia torreyi var. wrightii Wright's collinsia Annual herb  
Collomia grandiflora Large flowered collomia Annual herb 3
Collomia heterophylla Varied leaved collomia Annual herb  
Collomia linearis Narrow leaved collomia Annual herb  
Collomia tinctoria Yellow staining collomia Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Conyza canadensis var. glabrata Canadian horseweed Annual herb  
Conyza coulteri Coulter's horseweed Annual herb  
Cordylanthus maritimus Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. canescens Salt marsh bird's beak Annual herb  
Cordylanthus maritimus ssp. maritimus Salt marsh bird's beak Annual herb (hemiparasitic)  
Cordylanthus maritimus ssp. palustris Point reyes bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis Soft bird's beak Annual herb  
Cordylanthus mollis ssp. hispidus Hispid bird's beak Annual herb (hemiparasitic)  
Cordylanthus mollis ssp. mollis Soft bird's beak Annual herb (hemiparasitic)  
Cordylanthus orcuttianus Orcutt's bird's beak Annual herb (hemiparasitic)  
Cordylanthus palmatus Palmate bracted bird's beak Annual herb (hemiparasitic)  
Cordylanthus pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. trifidus Hairy bird's beak Annual herb  
Cordylanthus tecopensis Tecopa bird's beak Annual herb (hemiparasitic)  
Cordylanthus tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. viscidus Viscid bird's beak Annual herb  
Coreopsis bigelovii Bigelow coreopsis Annual herb 3
Coreopsis californica var. californica California coreopsis Annual herb  
Coreopsis calliopsidea Leafy stemmed coreopsis Annual herb 3
Coreopsis douglasii Douglas' coreopsis Annual herb 1
Coreopsis hamiltonii Mt. hamilton coreopsis Annual herb  
Coreopsis stillmanii Stillman's coreopsis Annual herb 2
Crassula connata Sand pygmy weed Annual herb 1
Crassula saginoides Aquatic pygmy weed Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 4
Cryptantha affinis Common cryptantha Annual herb  
Cryptantha ambigua Wilkes' cryptantha Annual herb  
Cryptantha circumscissa Western forget me not Annual herb  
Cryptantha clevelandii var. dissita Serpentine cryptantha Annual herb  
Cryptantha echinella Prickly cryptantha Annual herb  
Cryptantha glomeriflora Truckee cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha simulans Pine cryptantha Annual herb  
Cryptantha torreyana Torrey's cryptantha Annual herb  
Cryptantha torreyana var. torreyana Torrey's cryptantha Annual herb  
Cuscuta californica California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. breviflora California dodder Annual herb, Vine (parasitic)  
Cuscuta californica var. californica Short flowered dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. major Dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. papillata Saltmarsh dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. salina Salt marsh dodder Annual herb, Vine (parasitic)  
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii Mountain dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. subpedicellata Mountain dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. suksdorfii Mountain dodder Annual herb, Vine (parasitic)  
Cyperus squarrosus Awned cyperus Annual grass  
Daucus pusillus Wild carrot Annual herb 1
Deinandra bacigalupi Livermore tarplant Annual herb  
Deinandra corymbosa ssp. corymbosa Coastal tarweed Annual herb  
Deinandra corymbosa ssp. macrocephala Coastal tarweed Annual herb  
Deinandra increscens ssp. foliosa Leafy tarplant Annual herb  
Deschampsia danthonioides Annual hairgrass Annual grass  
Descurainia incisa Mountain tansy mustard Annual herb  
Descurainia incisa ssp. filipes Erect fruited mountain tansy mustard Annual herb  
Descurainia longipedicellata Annual herb  
Descurainia paradisa ssp. paradisa Paradise tansymustard Annual herb  
Descurainia pinnata Yellow tansy mustard Annual herb  
Descurainia pinnata ssp. brachycarpa Western tansymustard Annual herb  
Descurainia pinnata ssp. glabra Smooth western tansy mustard Annual herb  
Descurainia pinnata ssp. halictorum Alkali western tansy mustard Annual herb  
Diplacus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Diplacus douglasii Purple mouse ears Annual herb  
Diplacus jepsonii Jepson's monkeyflower Annual herb  
Diplacus kelloggii Kellogg's monkeyflower Annual herb  
Diplacus layneae Layne's monkeyflower Annual herb  
Diplacus leptaleus Least flowered monkey flower Annual herb  
Diplacus mephiticus Skunky monkeyflower Annual herb  
Diplacus nanus Dwarf monkey flower Annual herb  
Diplacus torreyi Torrey's monkeyflower Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia elegans var. corymbosa Elegant downingia Annual herb  
Downingia elegans var. elegans Elegant calicoflower Annual herb  
Downingia montana Sierra downingia Annual herb  
Downingia ornatissima Horned downingia Annual herb  
Draba albertina Alberta whitlow grass Annual, Perennial herb  
Draba cuneifolia var. cuneifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. integrifolia Wedgeleaf draba Annual herb  
Draba cuneifolia var. sonorae Sonora draba Annual herb  
Draba stenoloba Alaska draba Annual, Perennial herb  
Draba stenoloba var. ramosa Alaska draba Annual, Perennial herb  
Draba verna Whitlow grass Annual herb  
Draba verna var. aestivalis Small bruited spring draba Annual herb  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Elatine rubella Southwestern waterwort Annual herb  
Eleocharis decumbens Decumbent spikerush Annual grass  
Eleocharis engelmannii Engelmann's spikerush Annual grass  
Eleocharis flavescens var. thermalis Yellow spikerush Annual grass  
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa var. obtusa Broad spiked spikerush Annual grass 3
Eleocharis thermalis Warm springs spikerush Annual grass  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb  
Epilobium foliosum California willowherb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Epilobium torreyi Narrow boisduvalia Annual herb  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eriastrum brandegeae Brandegee's eriastrum Annual herb  
Eriastrum wilcoxii Wilcox's eriastrum Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Erigeron strigosus var. septentrionalis Prairie fleabane Annual, Perennial herb  
Erigeron strigosus var. strigosus Prairie fleabane Annual, Perennial herb  
Eriogonum apiculatum var. apiculatum Annual herb  
Eriogonum cernuum Nodding buckwheat Annual herb  
Eriogonum cernuum var. cernuum Nodding buckwheat Annual herb  
Eriogonum cernuum var. viminale Nodding buckwheat Annual herb  
Eriogonum deflexum var. rectum Flat topped buckwheat Annual herb  
Eriogonum foliosum Leafy buckwheat Annual herb  
Eriogonum gracile Slender buckwheat Annual herb 3
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Eriogonum luteolum var. pedunculatum Goldencarpet buckwheat Annual herb  
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb  
Eriogonum nutans Dugway buckwheat Annual herb  
Eriogonum nutans var. nutans Nodding buckwheat Annual herb  
Eriogonum puberulum Downy buckwheat Annual herb  
Eriogonum roseum Wand buckwheat Annual herb 3
Eriogonum spergulinum Wild buckwheat Annual herb  
Eriogonum spergulinum var. reddingianum Spurry buckwheat Annual herb  
Eriogonum trichopes var. hooveri Hoover's buckwheat Annual herb  
Eriogonum trichopes var. trichopes Little desert buckwheat Annual herb  
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 2
Erodium macrophyllum Large leaved filaree Annual herb  
Erythranthe bicolor Yellow and white monkeyflower Annual herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe glaucescens shield-bracted monkeyflower Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Erythranthe montioides Montia like monkeyflower Annual herb  
Erythranthe pulsiferae Candelabrum monkey flower Annual herb  
Erythranthe rubella Red stemmed himulus Annual herb  
Erythranthe suksdorfii Suksdorf's monkeyflower Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 14
Eschscholzia californica California poppy Annual, Perennial herb 49
Eschscholzia lobbii Frying pans Annual herb 4
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. hirtula Annual, Perennial herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Festuca microstachys Small fescue Annual grass 7
Filago arizonica Arizona filago Annual herb  
Filago californica California filago Annual herb  
Filago depressa Dwarf filago Annual herb  
Floerkea proserpinacoides False mermaid Annual herb  
Galium aparine Cleavers Annual herb  
Galium bifolium Low mountain bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Gaura coccinea Scarlet gaura Annual, Perennial herb  
Gayophytum decipiens Deceiving gayophytum Annual herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. diffusum Diffuse gayophytum Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gayophytum heterozygum Zig zag gayophytum Annual herb  
Gayophytum humile Dwarf groundsmoke Annual herb  
Gayophytum racemosum Black foot gayophytum Annual herb  
Gayophytum ramosissimum Pinyon gayophytum Annual herb  
Gentianella amarella Autumn dwarf gentian Annual herb  
Gentianella amarella ssp. acuta Autumn dwarf gentian Annual herb  
Gentianella tenella ssp. tenella Dane's dwarf gentian Annual herb  
Gentianopsis holopetala Sierra gentian Annual herb  
Gentianopsis simplex Hiker's fringed gentian Annual herb  
Gilia australis Splendid gilia Annual herb  
Gilia brecciarum ssp. jacens Nevada gilia Annual herb  
Gilia campanulata Bell shape gilia Annual herb  
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 18
Gilia capitata ssp. capitata Blue field gilia Annual herb 2
Gilia capitata ssp. mediomontana Blue field gilia Annual herb  
Gilia capitata ssp. pedemontana Blue field gilia Annual herb  
Gilia capitata ssp. staminea Globe gilia Annual herb  
Gilia caruifolia Broad flowered gilia Annual herb  
Gilia filiformis Thread stemmed gilia Annual herb  
Gilia hutchinsifolia Desert pale gilia Annual herb  
Gilia inyoensis Inyo gilia Annual herb  
Gilia latifolia Troadleaf gilia Annual herb  
Gilia leptalea Bridges' gilia Annual herb  
Gilia leptalea ssp. bicolor Purple throat gilia Annual herb  
Gilia leptalea ssp. leptalea Bridges gilia Annual herb  
Gilia leptomeria Tooth leaved gilia Annual herb  
Gilia lottiae Lott's gilia Annual herb  
Gilia maculata Miniatur gilia Annual herb  
Gilia micromeria Dainty gilia Annual herb  
Gilia sinistra Clockwise gilia Annual herb  
Gilia sinistra ssp. pinnatisecta Cut leaf clockwise gilia Annual herb  
Gilia sinistra ssp. sinistra Clockwise gilia Annual herb  
Gilia splendens Splendid gilia Annual herb 1
Gilia splendens ssp. grantii Grant's gilia Annual herb  
Gilia splendens ssp. splendens Splendid gilia Annual herb  
Gilia subacaulis Short stem gilia Annual herb  
Gilia tenerrima Delicate gilia Annual herb  
Gilia tetrabreccia Mt. pinos gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 15
Gilia tricolor ssp. diffusa Bird's eyes Annual herb  
Gilia triodon Sand gilia Annual herb  
Githopsis diffusa San gabriel bluecup Annual herb  
Githopsis diffusa ssp. robusta San gabriel bluecup Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 11
Gnaphalium macounii Macoun's cudweed Annual, Perennial herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 3
Gratiola ebracteata Common hedge hyssop Annual herb  
Gratiola neglecta Clammy hedge hyssop Annual herb  
Guillenia flavescens Yellow california mustard Annual herb 1
Guillenia lasiophylla Shaggy thelypod Annual herb  
Gymnosteris parvula Small flowered gymnosteris Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Helianthus niveus ssp. canescens Gray desert sunflower Annual, Perennial herb  
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia arida Red rock tarplant Annual herb  
Hemizonia congesta ssp. leucocephala Hayfield tarplant Annual herb  
Hemizonia conjugens Otay tarplant Annual herb  
Hemizonia corymbosa Coastal tarweed Annual herb 2
Hemizonia corymbosa ssp. corymbosa Central coast tarweed Annual herb  
Hemizonia corymbosa ssp. macrocephala Central coast tarweed Annual herb  
Hemizonia fasciculata Common tarweed Annual herb 5
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia floribunda Tecate tarplant Annual herb  
Hemizonia halliana Hall's tarplant Annual herb  
Hemizonia increscens Grassland tarweed Annual herb  
Hemizonia increscens ssp. foliosa Leafy grassland tarweed Annual herb  
Hemizonia increscens ssp. increscens Coast tarplant Annual herb  
Hemizonia increscens ssp. villosa Gaviota tarplant Annual herb  
Hemizonia kelloggii Kellogg's tarweed Annual herb 1
Hemizonia lobbii Three raped tarweed Annual herb  
Hemizonia mohavensis Mojave tarplant Annual herb 1
Hemizonia pallida Kern tarweed Annual herb  
Hemizonia paniculata San diego tarweed Annual herb 2
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. australis Southern tarplant Annual herb 1
Hemizonia parryi ssp. congdonii Congdon's tarplant Annual herb  
Hemizonia parryi ssp. parryi Parry's tarweed Annual herb  
Hemizonia parryi ssp. rudis Parry's red tarplant Annual herb  
Hemizonia pentactis Salinas river tarweed Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. laevis Smooth tarplant Annual herb  
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterodraba unilateralis Ladiestongue mustard Annual herb  
Heterotheca psammophila Camphor weed Annual, Perennial herb 1
Heterotheca sessiliflora Golden aster Annual, Perennial herb 11
Holocarpha obconica ssp. autumnalis Autumn san joaquin tarweed Annual herb  
Holocarpha obconica ssp. obconica San joaquin tarweed Annual herb  
Hordeum intercedens Vernal barley Annual grass 2
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Impatiens occidentalis Western touch me not Annual herb  
Ipomopsis depressa Low ipomopsis Annual herb  
Iva nevadensis Nevada wormwood Annual herb  
Jensia rammii Ramm's madia Annual herb  
Jensia yosemitana Yosemite tarplant Annual herb  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. abjectus Center basin rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus luciensis Santa lucia rush Annual grass  
Laennecia coulteri Coulter's horseweed Annual herb  
Lagophylla glandulosa Glandular hareleaf Annual herb  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. congesta Clustered hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Lasthenia californica Goldfields Annual herb 10
Lasthenia macrantha Perennial goldfields Annual herb 1
Lasthenia macrantha ssp. bakeri Baker's goldfields Annual herb  
Lasthenia macrantha ssp. macrantha Perennial goldfields Annual herb 1
Layia fremontii Fremont's tidy tips Annual herb  
Layia glandulosa White layia Annual herb 6
Lembertia congdonii San joaquin woollythreads Annual herb  
Lepidium densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. elongatum Common pepper grass Annual herb  
Lepidium densiflorum var. macrocarpum Bigseed pepper grass Annual herb  
Lepidium densiflorum var. pubecarpum Hairy pepper grass Annual herb  
Lepidium densiflorum var. pubicarpum Annual herb  
Lepidium densiflorum var. ramosum Common pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium dictyotum var. dictyotum Net pepper grass Annual herb  
Lepidium flavum var. flavum Yellow pepper grass Annual herb  
Lepidium lasiocarpum var. lasiocarpum Sand peppergrass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. howellii Howell's pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. oreganum Shining pepper grass Annual herb 2
Lepidium oblongum Veiny pepper grass Annual herb  
Lepidium oblongum var. insulare Veiny pepper grass Annual herb  
Lepidium oblongum var. oblongum Veiny pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb  
Lepidium strictum Peppergrass Annual herb  
Lepidium virginicum Wild pepper grass Annual herb  
Lepidium virginicum ssp. menziesii Robinson's pepper grass Annual herb  
Lepidium virginicum var. medium Wild pepper grass Annual herb  
Lepidium virginicum var. pubescens Wild pepper grass Annual herb  
Lepidium virginicum var. robinsonii Robinson's pepper grass Annual herb  
Leptochloa fascicularis Sprangletop Annual grass  
Leptochloa filiformis Red sprangletop Annual grass  
Leptochloa mucronata Mucronate sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
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 harknessii Harkness' flaxflower Annual herb  
Leptosiphon pygmaeus Pygmy linanthus Annual herb  
Lesquerella tenella Little bladderpod Annual herb  
Lessingia glandulifera var. pectinata Valley lessingia Annual herb  
Lessingia lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. lemmonii Lemmon's lessingia Annual herb  
Lessingia lemmonii var. peirsonii Peirson's lessingia Annual herb  
Lessingia lemmonii var. ramulosissima Twiggy lemmon's lessingia Annual herb  
Lessingia leptoclada Sierra lessingia Annual herb  
Lessingia nemaclada Thread stem lessingia Annual herb  
Lessingia occidentalis Western lessingia Annual herb  
Lessingia virgata Wand lessingia Annual herb  
Lessingia virgata var. virgata Wand lessingia Annual herb  
Lilaea scilloides Flowering quillwort Annual herb (aquatic)  
Limnanthes alba White meadowfoam Annual herb 1
Limnanthes alba ssp. alba Typical white meadowfoam Annual herb  
Limnanthes alba ssp. versicolor White meadowfoam Annual herb  
Limnanthes gracilis ssp. parishii Parish's meadowfoam Annual herb  
Limnanthes striata Foothill meadowfoam Annual herb  
Limosella acaulis Stemless mudwort Annual herb  
Limosella aquatica Northern mudwort Annual herb (aquatic)  
Linanthus acicularis Bristly linanthus Annual herb  
Linanthus ambiguus Serpentine linanthus Annual herb  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus aureus Golden gilia Annual herb  
Linanthus aureus ssp. aureus Golden linanthus Annual herb  
Linanthus aureus ssp. decorus Cream gilia Annual herb  
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus breviculus Mojave linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus croceus Annual herb 1
Linanthus dichotomus Evening snow Annual herb  
Linanthus filipes Filiform linanthus Annual herb  
Linanthus grandiflorus Large flower linanthus Annual herb 15
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus jepsonii Jepson's linanthus Annual herb  
Linanthus latisectus Napa linanthus Annual herb  
Linanthus lemmonii Lemmon's linanthus Annual herb  
Linanthus liniflorus Flax flowered linanthus Annual herb  
Linanthus montanus Mustang clover Annual herb  
Linanthus nudatus Tehachapi linanthus Annual herb  
Linanthus oblanceolatus Sierra nevada linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
Linanthus pygmaeus Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. continentalis Pygmy linanthus Annual herb  
Linanthus pygmaeus ssp. pygmaeus Typical pygmy linanthus Annual herb  
Linanthus rattanii Rattan's linanthus Annual herb  
Linanthus rosaceus Rose linanthus Annual herb  
Linanthus septentrionalis Northern linanthus Annual herb  
Linanthus serrulatus Madera linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb  
Linaria canadensis var. texana Toad flax Annual, Perennial herb  
Lindernia dubia False pimpernel Annual herb  
Lindernia dubia var. anagallidea False pimpernel Annual herb  
Lindernia dubia var. dubia False pimpernel Annual herb  
Lipocarpha micrantha Small flowered hemicarpha Annual grass  
Loeflingia squarrosa var. squarrosa California loeflingia Annual herb  
Logfia filaginoides California cottonrose Annual herb  
Lotus denticulatus Toothed lotus Annual herb  
Lotus hamatus Small flowered lotus Annual herb 2
Lotus humistratus Short podded lotus Annual herb  
Lotus micranthus Hill lotus Annual herb  
Lotus nuttallianus Nuttall's lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus rubriflorus Red flowered lotus Annual herb  
Lotus salsuginosus Coastal lotus Annual herb 2
Lotus salsuginosus var. brevivexillus Coastal lotus Annual herb  
Lotus salsuginosus var. salsuginosus Coastal lotus Annual herb  
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus arizonicus var. arizonicus Arizona lupine Annual herb 7
Lupinus arizonicus var. barbatulus Arizona lupine Annual herb  
Lupinus benthamii Spider lupine Annual herb 3
Lupinus benthamii var. benthamii Spider lupine Annual herb 3
Lupinus benthamii var. opimus Spider lupine Annual herb 3
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus nanus Valley sky lupine Annual herb 13
Lupinus pachylobus Big pod lupine Annual herb  
Lupinus sparsiflorus ssp. sparsiflorus Coulter's lupine Annual herb  
Lupinus sparsiflorus var. inopinatus Coulter's lupine Annual herb  
Lupinus stiversii Harlequin lupine Annual herb 2
Machaeranthera arida Silver lake daisy Annual herb  
Machaeranthera gracilis Slender goldenweed Annual herb  
Madia citrigracilis Shasta tarweed Annual herb  
Madia citriodora Lemon scented tarweed Annual herb  
Madia doris-nilesiae Niles's madia Annual herb  
Madia elegans Common madia Annual herb 12
Madia elegans ssp. densifolia Leafy common madia Annual herb 10
Madia elegans ssp. elegans Common madia Annual herb 12
Madia elegans ssp. vernalis Spring common madia Annual herb 11
Madia elegans ssp. wheeleri Wheeler's common madia Annual herb 10
Madia exigua Small tarweed Annual herb  
Madia glomerata Mountain tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia hallii Hall's madia Annual herb  
Madia minima Little tarweed Annual herb  
Madia nutans Nodding madia Annual herb  
Madia radiata Showy madia Annual herb  
Madia rammii Ramm's madia Annual herb  
Madia sativa Coastal tarweed Annual herb  
Madia stebbinsii Stebbins's madia Annual herb  
Madia subspicata Slender tarweed Annual herb  
Madia yosemitana Yosemite madia Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Matricaria discoidea Pineapple weed Annual herb 3
Meconella californica California meconella Annual herb  
Meconella linearis Narrow leaved meconella Annual herb  
Mentzelia albicaulis White stemmed blazing star Annual herb 2
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia involucrata var. involucrata Whitebract blazingstar Annual herb  
Mentzelia involucrata var. megalantha Bracted blazing star Annual herb  
Mentzelia montana Mountain blazing star Annual herb  
Mentzelia veatchiana Veatch's 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 elegans Elegant silverpuffs Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimulus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Mimulus bicolor Yellow and white monkeyflower Annual herb  
Mimulus brachiatus Serpentine monkeyflower Annual herb  
Mimulus breviflorus Short flowered monkeyflower Annual herb  
Mimulus breweri Brewer's monkeyflower Annual herb  
Mimulus cleistogamus Selfing monkeyflower Annual herb  
Mimulus cupriphilus Mcnulty mine monkeyflower Annual herb 37
Mimulus douglasii Purple mouse ears Annual herb  
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus glaucescens Shield bracted monkeyflower Annual herb  
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Mimulus jepsonii Jepson's monkeyflower Annual herb  
Mimulus kelloggii Kellogg's monkeyflower Annual herb  
Mimulus layneae Layne's monkeyflower Annual herb  
Mimulus leptaleus Least flowered monkey flower Annual herb  
Mimulus mephiticus Skunky monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 37
Mimulus montioides Montia like monkeyflower Annual herb  
Mimulus nanus Dwarf monkey flower Annual herb  
Mimulus nanus var. jepsonii Jepson's monkeyflower Annual herb  
Mimulus nanus var. mephiticus Skunky monkeyflower Annual herb  
Mimulus pulsiferae Candelabrum monkey flower Annual herb  
Mimulus rubellus Red stemmed himulus Annual herb  
Mimulus spissus Compact monkeyflower Annual herb  
Mimulus suksdorfii Suksdorf's monkeyflower Annual herb  
Mimulus torreyi Torrey's monkeyflower Annual herb  
Mimulus whipplei Whipple's monkeyflower Annual herb 37
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Monardella breweri Brewer's monardella Annual herb  
Monardella breweri ssp. lanceolata Mustang mint Annual herb 1
Monardella douglasii ssp. douglasii Douglas' monardella Annual herb  
Monardella douglasii ssp. venosa Veiny monardella Annual herb  
Monardella lanceolata Mustang mint Annual herb 1
Monardella lanceolata var. glandulifera Mustang monardella Annual herb  
Monardella lanceolata var. lanceolata Mustang monardella Annual herb  
Monardella lanceolata var. microcephala Mustang monardella Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Monolepis pusilla Dwarf poverty weed Annual herb  
Montia fontana Water montia Annual herb  
Montia fontana ssp. chondrosperma Water chickweed Annual herb  
Montia linearis Narrow leaved water chickweed Annual herb  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Nama arizonicum Arizona fiddleleaf Annual herb  
Nama densa Leafy Nama Annual herb  
Navarretia breweri Brewer's navarretia Annual herb  
Navarretia capillaris Miniature gilia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia divaricata ssp. divaricata Mountain navarretia Annual herb  
Navarretia divaricata ssp. vividior Mountain navarretia Annual herb  
Navarretia filicaulis Thin stemmed navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia jaredii Paso robles navarretia Annual herb  
Navarretia leptalea Bridges' pincushionplant Annual herb  
Navarretia leptalea ssp. bicolor Bridges' gilia Annual herb  
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. minima Little white navarretia Annual herb  
Navarretia linearifolia Navarretia Annual herb  
Navarretia linearifolia ssp. linearifolia Navarretia Annual herb  
Navarretia propinqua Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia sinistra Alva day's pincushionplant Annual herb  
Navarretia sinistra ssp. pinnatisecta Pinnate leaved navarretia Annual herb  
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Navarretia viscidula ssp. viscidula Sticky pincushionplant Annual herb  
Nemacladus glanduliferus var. glanduliferus Glandular nemacladus Annual herb  
Nemacladus glanduliferus var. orientalis Eastern glandular nemacladus Annual herb  
Nemacladus rubescens var. rubescens Desert threadplant Annual herb  
Nemacladus rubescens var. tenuis Desert nemacladus Annual herb  
Nemophila heterophylla Canyon nemophila Annual herb  
Nemophila maculata Five spot Annual herb 16
Nemophila menziesii Baby blue eyes Annual herb 18
Nemophila menziesii var. integrifolia Baby blue eyes Annual herb  
Nemophila menziesii var. menziesii Baby blue eyes Annual herb  
Nemophila parviflora Small flowered nemophila Annual herb  
Nemophila parviflora var. austiniae Rebecca austin's nemophila Annual herb  
Nemophila pedunculata Meadow nemophila Annual herb  
Nemophila pulchella ssp. pulchella Eastwood's nemophila Annual herb  
Nemophila spatulata Sierra nemophila Annual herb  
Neoholmgrenia andina Plateau evening primrose Annual herb  
Nicotiana attenuata Coyote tobacco Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Orobanche corymbosa Flat topped broom rape Annual herb  
Orthocarpus cuspidatus Broad scaled owl's clover Annual herb 1
Orthocarpus cuspidatus ssp. copelandii Copeland's owl's clover Annual herb  
Orthocarpus cuspidatus ssp. cryptanthus Short flowered owl's clover Annual herb  
Orthocarpus luteus Yellow owl's clover Annual herb 1
Oxytheca caryophylloides Chickweed oxytheca Annual herb  
Oxytheca emarginata White margined oxytheca Annual herb  
Oxytheca parishii Parish's oxytheca Annual herb  
Oxytheca parishii var. abramsii Abrams's oxytheca Annual herb  
Oxytheca parishii var. cienegensis Cienega seca oxytheca Annual herb  
Oxytheca parishii var. goodmaniana Cushenbury oxytheca Annual herb  
Oxytheca parishii var. parishii Parish's oxytheca Annual herb  
Oxytheca trilobata Three lobed oxytheca Annual herb  
Panicum alatum var. alatum Winged panicgrass Annual grass  
Panicum capillare Old witch grass Annual grass 2
Panicum capillare ssp. capillare Annual grass 2
Panicum hirticaule var. hirticaule Mexican panicgrass Annual grass  
Parishella californica Mojave dwarf Annual herb  
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum leiocarpum Lake county stonecrop Annual herb  
Parvisedum pentandrum Central california stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya pusilla Little pectocarya Annual herb  
Pectocarya setosa Moth combseed Annual herb 1
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia affinis var. patens Limestone phacelia Annual herb  
Phacelia bicolor var. bicolor Two colored phacelia Annual herb  
Phacelia campanularia ssp. campanularia Desert bells Annual herb 1
Phacelia campanularia ssp. vasiformis Desert bluebells Annual herb  
Phacelia cicutaria Caterpillar phacelia Annual herb 5
Phacelia cicutaria var. cicutaria Caterpillar phacelia Annual herb  
Phacelia cicutaria var. hubbyi Hubby's caterpillar phacelia Annual herb  
Phacelia douglasii var. douglasii Douglas' phacelia Annual herb  
Phacelia eisenii var. brandegeana Eisen's phacelia Annual herb  
Phacelia hardhamiae Hardham's gray phacelia Annual herb  
Phacelia humilis Low phacelia Annual herb  
Phacelia humilis var. humilis Low phacelia Annual herb  
Phacelia ivesiana var. ivesiana Ives' phacelia Annual herb  
Phacelia marcescens Marcescent phacelia Annual herb  
Phacelia quickii Quick's phacelia Annual herb  
Phacelia racemosa Racemose phacelia Annual herb  
Phacelia stebbinsii Stebbins's phacelia Annual herb  
Phacelia suaveolens ssp. keckii Santiago peak phacelia Annual herb  
Phacelia suaveolens var. keckii Santiago peak phacelia Annual herb  
Phacelia suaveolens var. suaveolens Sweet scented phacelia Annual herb  
Phacelia vallicola Mariposa phacelia Annual herb  
Phacelia vallis-mortae var. vallis-mortae Death valley phacelia Annual herb  
Phlox gracilis Annual phlox Annual herb  
Plagiobothrys catalinensis Catalina popcorn flower Annual herb  
Plagiobothrys cognatus Popcorn flower Annual herb  
Plagiobothrys cusickii Cusick's popcorn flower Annual herb  
Plagiobothrys fulvus Fulvous popcorn flower Annual herb  
Plagiobothrys fulvus var. campestris Tawny popcorn flower Annual herb  
Plagiobothrys glomeratus Mammoth popcorn flower Annual herb  
Plagiobothrys glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys glyptocarpus var. glyptocarpus Sculptured allocarya Annual herb  
Plagiobothrys glyptocarpus var. modestus Cedar crest popcorn flower Annual herb  
Plagiobothrys greenei Greene's allocarya Annual herb  
Plagiobothrys hispidulus Harsh allocarya Annual herb  
Plagiobothrys hispidus Cascade popcorn flower Annual herb  
Plagiobothrys myosotoides Forget me not popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys torreyi Torrey's popcorn flower Annual herb  
Plagiobothrys torreyi var. diffusus Torrey's popcornflower Annual herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata ssp. pentasperma Five seeded plantain Annual herb  
Plantago erecta California plantain Annual herb 6
Platystemon californicus Cream cups Annual herb 2
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. ciliosa Long spurred plectritis Annual herb  
Plectritis ciliosa ssp. insignis Showy plectritis Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa bigelovii Bigelow's blue grass Annual grass  
Poa bolanderi Bolander's bluegrass Annual grass  
Pogogyne douglasii ssp. douglasii Douglas' mesamint Annual herb  
Polygonum californicum California knotweed Annual herb  
Polygonum douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. austiniae Rebecca austin's knotweed Annual herb  
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. johnstonii Knotweed Annual herb  
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum minimum Little mountain knotweed Annual herb  
Polygonum parryi Parry's knotweed Annual herb  
Polygonum polygaloides Milkwort knotweed Annual herb  
Polygonum polygaloides ssp. confertiflorum Dense knotweed Annual herb  
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed Annual herb  
Polygonum sawatchense Knotweed Annual herb  
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb  
Polygonum sawatchense ssp. sawatchense Annual, Perennial herb  
Polygonum spergulariiforme Spurry knotweed Annual herb  
Porterella carnosula Porterella Annual herb  
Potentilla rivalis Brook cinquefoil Annual, Perennial herb  
Poteridium annuum Western burnet Annual, Perennial herb  
Proboscidea parviflora ssp. parviflora Devil's claw Annual herb  
Proboscidea parviflora var. hohokamiana Devil's claw Annual herb  
Pseudobahia heermannii Heermann's golden sunburst Annual herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 11
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus 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  
Rafinesquia californica California chicory Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. parviflorus Small flowered hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. uncinatus Woodland buttercup Annual, Perennial herb  
Rigiopappus leptocladus Wire weed Annual herb  
Rorippa curvipes var. curvipes Bluntleaf yellow cress Annual herb  
Rorippa curvipes var. truncata Blunt yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris var. hispida Hispid yellow cress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rorippa tenerrima Modoc yellow cress Annual herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Salvia columbariae var. columbariae Chia Annual herb 12
Saxifraga bryophora Bud saxifrage Annual herb  
Scirpus cernuus Low clubrush Annual grass 13
Scirpus koilolepis Keeled bulrush Annual grass  
Scirpus saximontanus Rocky mountain bulrush Annual grass  
Scribneria bolanderi Scribneria Annual grass  
Sedella pumila Sierra mock stonecrop Annual herb  
Senecio ammophilus California coast butterweed Annual herb  
Senecio aphanactis California groundsel Annual herb  
Sesbania exaltata Colorado river hemp Annual herb  
Sibara rosulata East mojave rock cress Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Sidalcea calycosa Checker mallow Annual herb 3
Sidalcea diploscypha Fringed checker mallow Annual herb  
Sidalcea hartwegii Hartweg's checkerbloom Annual herb  
Silene californica California indian pink Annual herb 1
Silene multinervia Fire following campion Annual herb  
Silene verecunda Dolores campion Annual herb  
Silene verecunda ssp. andersonii Anderson's campion Annual herb  
Silene verecunda ssp. platyota San francisco campion Annual herb  
Spergularia salina Salt sandspurry Annual herb 1
Spirodela punctata Dotted duckmeat Annual, Perennial herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria elata Santa barbara stephanomeria Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Streptanthus breweri var. breweri Brewer's jewelflower Annual herb  
Streptanthus breweri var. hesperidis Brewer's jewelflower Annual herb  
Streptanthus glandulosus var. hoffmanii Hoffmann's jewelflower Annual herb 1
Streptanthus niger Tiburon jewel flower Annual herb  
Streptanthus polygaloides Milkwort jewelflower Annual herb  
Streptanthus tortuosus Jewelweed Annual, Perennial herb  
Streptanthus tortuosus var. flavescens Yellow mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. orbiculatus Mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. suffrutescens Bush mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb  
Stylomecon heterophylla Wind poppy Annual herb 4
Subularia aquatica Waterawlwort Annual herb  
Subularia aquatica ssp. americana Water awlwort Annual herb  
Subularia aquatica var. americana American awlwort Annual herb  
Symphyotrichum frondosum Short rayed alkali aster Annual herb  
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Teucrium cubense var. densum Small coastal germander Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus laciniatus var. hitchcockii Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. laciniatus Narrow leaved lacepod Annual herb  
Thysanocarpus laciniatus var. rigidus Narrow leaved lacepod Annual herb  
Thysanocarpus radians Showy fringe pod Annual herb  
Tidestromia lanuginosa ssp. eliassoniana Woolly tidestromia Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trichostema oblongum Mountain bluecurls Annual herb  
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium albopurpureum var. olivaceum Owl's clover Annual herb  
Trifolium barbigerum var. andrewsii Gray's clover Annual herb 1
Trifolium barbigerum var. barbigerum Bearded clover Annual herb  
Trifolium bifidum Notch leaf clover Annual herb 2
Trifolium bifidum var. bifidum Pinole clover Annual herb 2
Trifolium ciliolatum Tree clover Annual herb 6
Trifolium cyathiferum Cup clover Annual herb  
Trifolium depauperatum Dwarf sack clover Annual herb  
Trifolium depauperatum var. depauperatum Dwarf bladder clover Annual herb  
Trifolium depauperatum var. hydrophilum Water sack clover Annual herb  
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. palmeri Southern island clover Annual herb  
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 variegatum Variegated clover Annual herb 1
Trifolium variegatum var. geminiflorum Small-flowered variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 8
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Triphysaria pusilla Little owl's clover Annual herb  
Twisselmannia californica King's gold Annual herb  
Uropappus lindleyi Silver puffs Annual herb 1
Utricularia minor Lesser bladderwort Annual herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vicia ludoviciana var. ludoviciana Slender vetch Annual herb  
Vulpia microstachys Fescue Annual grass 7
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass 1
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial3 plants
Descurainia incisa ssp. incisa Mountain tansy mustard Biennial herb  
Erigeron divergens Diffuse daisy Biennial, Perennial herb 3
Gnaphalium ramosissimum Pink everlasting Biennial herb 1
  Lifeform: Perennial2302 plants
  Lifeform: Fern74 plants
Adiantum aleuticum Five finger maidenhair Fern 8
Adiantum jordanii California maidenhair fern Fern 4
Aspidotis densa Lace fern Fern 1
Asplenium trichomanes-ramosum Green spleenwort Fern (rhizomatous)  
Athyrium distentifolium Fern  
Athyrium distentifolium var. americanum American alpine lady fern Fern  
Athyrium filix-femina Common ladyfern Fern 19
Athyrium filix-femina ssp. cyclosorum Subarctic ladyfern Fern 1
Athyrium filix-femina var. cyclosorum Western lady fern Fern 1
Azolla mexicana Mexican mosquito fern Fern  
Azolla microphylla Mexican mosquito fern Fern  
Botrychium ascendens Upswept moonwort Fern (rhizomatous)  
Botrychium crenulatum Scalloped moonwort Fern (rhizomatous)  
Botrychium lunaria Common moonwort Fern (rhizomatous)  
Botrychium minganense Mingan moonwort Fern (rhizomatous)  
Botrychium multifidum Common grapefern Fern  
Botrychium virginianum Rattlesnake fern Fern  
Cheilanthes clevelandii Cleveland's lipfern Fern  
Cheilanthes cooperae Mrs. cooper's lipfern Fern  
Cheilanthes covillei Coville's lip fern Fern 3
Cheilanthes feei Slender lipfern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
Cheilanthes intertexta Coastal lipfern Fern  
Cheilanthes newberryi Newberry's lipfern Fern  
Cheilanthes parryi Parry cloak fern Fern  
Cheilanthes viscida Viscid lip fern Fern  
Cheilanthes wootonii Wooton's lace fern Fern (rhizomatous)  
Cryptogramma acrostichoides American parsley fern Fern  
Cryptogramma cascadensis Cascade parsely fern Fern  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Equisetum arvense Common horsetail Fern 6
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 4
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 2
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes bolanderi Bolander's quillwort Fern  
Isoetes bolanderi var. pygmaea Bolander's quillwort Fern  
Isoetes howellii Quillwort Fern  
Isoetes howellii var. minima Howell's quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Isoetes occidentalis Western quillwort Fern  
Isoetes orcuttii Orcutt's quillwort Fern (aquatic)  
Lycopodiella inundata Bog club moss Fern (rhizomatous)  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris gracillima Lace lip fern Fern 1
Pellaea andromedifolia Coffee fern Fern 3
Pellaea andromedifolia var. pubescens Coffee fern Fern 3
Pellaea brachyptera Sierra cliff brake Fern  
Pellaea breweri Brewer's cliff brake Fern  
Pellaea bridgesii Bridges' cliff brake Fern 1
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma pallida Silver back fern Fern  
Pentagramma triangularis Gold back fern Fern 4
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern  
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Polypodium californicum California polypody Fern 13
Polypodium calirhiza Licorice fern Fern 3
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum munitum Western sword fern Fern 42
Polystichum scopulinum Mountain holly fern Fern  
Pteridium aquilinum Western brackenfern Fern 6
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella arizonica Arizona spikemoss Fern (rhizomatous)  
Selaginella densa var. scopulorum Rocky mountain spike moss Fern (mosslike)  
Selaginella hansenii Hansen's spike moss Fern (mosslike)  
Selaginella wallacei Wallace's spike moss Fern (mosslike)  
Selaginella watsonii Watson's spike moss Fern (mosslike)  
Thelypteris nevadensis Sierra nevada maiden fern Fern  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub530 plants
Acacia greggii Cats claw acacia Shrub 7
Acer glabrum Mountain maple Tree, Shrub 11
Acer glabrum var. diffusum Mountain maple Tree, Shrub  
Acer glabrum var. glabrum Rocky mountain maple Tree, Shrub  
Acer glabrum var. greenei Greene's mountain maple Tree, Shrub  
Acer glabrum var. torreyi Torrey's mountain maple Tree, Shrub  
Adenostoma fasciculatum Chamise Tree, Shrub 16
Alnus incana Gray alder Tree, Shrub 6
Alnus incana ssp. tenuifolia Creek alder Tree, Shrub 9
Amelanchier alnifolia Service berry Shrub 31
Amelanchier alnifolia var. pumila Dwarf service berry Shrub  
Amelanchier alnifolia var. semiintegrifolia Service berry Shrub  
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amelanchier utahensis ssp. covillei Coville's service berry Shrub  
Amelanchier utahensis ssp. utahensis Utah service berry Shrub  
Amelanchier utahensis var. utahensis Utah serviceberry Shrub  
Amorpha californica False indigo Shrub 4
Amorpha californica var. californica California false indigo Shrub  
Arctostaphylos Xjepsonii Hybrid manzanita Tree, Shrub  
Arctostaphylos Xknightii Hybrid manzanita Shrub  
Arctostaphylos Xoblongifolia Hybrid manzanita Shrub  
Arctostaphylos Xpacifica Hybrid manzanita Shrub 1
Arctostaphylos Xparvifolia Hybrid manzanita Shrub  
Arctostaphylos columbiana f. tracyi Tracy's redwood manzanita Tree, Shrub 5
Arctostaphylos gabrielensis San gabriel manzanita Shrub 1
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. glaucomollis San gabriel mts. manzanita Shrub 1
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 2
Arctostaphylos hookeri ssp. franciscana San francisco manzanita Shrub 8
Arctostaphylos hookeri ssp. montana Mt. tamalpais manzanita Shrub  
Arctostaphylos hookeri ssp. ravenii Raven's manzanita Shrub  
Arctostaphylos manzanita Common manzanita Shrub 25
Arctostaphylos manzanita ssp. glaucescens White leaf common manzanita Shrub  
Arctostaphylos mendocinoensis Pygmy manzanita Shrub  
Arctostaphylos mewukka Indian manzanita Shrub  
Arctostaphylos mewukka ssp. mewukka Indian manzanita Shrub  
Arctostaphylos mewukka ssp. truei True's manzanita Shrub  
Arctostaphylos nevadensis Pine mat manzanita Shrub 6
Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Arctostaphylos peninsularis ssp. peninsularis Peninsular manzanita Shrub  
Arctostaphylos pungens Mexican manzanita Tree, Shrub 4
Arctostaphylos tomentosa f. hebeclada Woolly twig manzanita Shrub  
Arctostaphylos tomentosa ssp. crinita Santa cruz mtns. manzanita Shrub  
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 2
Arctostaphylos tomentosa ssp. eastwoodiana Eastwood's manzanita Shrub  
Arctostaphylos tomentosa ssp. insulicola Island manzanita Shrub  
Arctostaphylos tomentosa ssp. rosei Rose's manzanita Shrub 1
Arctostaphylos tomentosa ssp. subcordata Heart leaved manzanita Shrub 2
Arctostaphylos uva-ursi f. adenotricha Glandular kinnikinnick Shrub 30
Arctostaphylos uva-ursi f. coactilis Southern kinnikinnick Shrub 30
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. mariposa Mariposa manzanita Tree, Shrub 1
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Arctostaphylos wellsii Wells's manzanita Shrub 1
Arida carnosa Shrubby alkali aster Shrub  
Aristolochia californica California pipevine Vine, Shrub 22
Artemisia arbuscula Black sagebrush Shrub 6
Artemisia arbuscula ssp. arbuscula Low sagebrush Shrub 1
Artemisia arbuscula ssp. longiloba Little sagebrush Shrub  
Artemisia arbuscula ssp. thermopola Warm springs low sagebrush Shrub  
Artemisia cana Silver sagebrush Shrub 5
Artemisia cana ssp. bolanderi Bolander's silver sagebrush Shrub  
Artemisia rothrockii Rothrock sagebrush Shrub  
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Artemisia tridentata ssp. wyomingensis Wyoming sagebrush Shrub 4
Artemisia tripartita Threetip sagebrush Shrub  
Atriplex canescens ssp. canescens Shadscale Shrub 1
Atriplex canescens ssp. linearis Narrow leaved wingscale Shrub  
Atriplex lentiformis ssp. torreyi Torrey's saltbush Shrub  
Baccharis emoryi Emory's baccharis Shrub 7
Baccharis pilularis Coyote brush Shrub 58
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 50
Baccharis salicifolia Mule fat Shrub 28
Berberis aquifolium Mountain grape Shrub 47
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis pinnata Shiny leaf mahonia Shrub 8
Bernardia myricifolia Western bernardia Shrub  
Brickellia arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. arguta California spear leaved brickellia Shrub 1
Brickellia arguta var. odontolepis California spear leaved brickellia Shrub  
Brickellia microphylla Little leaved brickellia Shrub  
Brickellia microphylla var. microphylla Littleleaf brickellbush Shrub  
Brickellia multiflora Gum leaved brickellia Shrub  
Caesalpinia virgata Narrow hoffmannseggia Shrub  
Calycanthus occidentalis Spicebush Shrub 39
Cassiope mertensiana Western moss heather Shrub 1
Cassiope mertensiana ssp. californica California moss heather Shrub  
Ceanothus Xlorenzenii Whitethorn x tobacco brush Tree, Shrub  
Ceanothus Xotayensis Shrub  
Ceanothus Xregius Blueblossom x wartleaf ceanothus Shrub  
Ceanothus cordulatus Snow bush Shrub 7
Ceanothus cuneatus Buck brush Shrub 23
Ceanothus cuneatus var. cuneatus Buck brush Shrub 2
Ceanothus cuneatus var. rigidus Monterey ceanothus Shrub 6
Ceanothus diversifolius Pinemat Shrub 1
Ceanothus fresnensis Fresno ceanothus Shrub 1
Ceanothus greggii var. perplexans Cupped leaf ceanothus Shrub  
Ceanothus greggii var. vestitus California lilac Shrub  
Ceanothus griseus Carmel ceanothus Shrub 36
Ceanothus griseus var. horizontalis Yankee point ceanothus Shrub 24
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus jepsonii var. albiflorus White flowered musk brush Shrub  
Ceanothus jepsonii var. jepsonii Musk brush Shrub  
Ceanothus lemmonii Lemmon's ceanothus Shrub 3
Ceanothus leucodermis Chaparral whitethorn Shrub 8
Ceanothus megacarpus var. pendulus Drooping big pod ceanothus Shrub 1
Ceanothus oliganthus Hairy ceanothus Shrub 6
Ceanothus papillosus var. papillosus Wartleaf ceanothus Shrub 3
Ceanothus papillosus var. roweanus Mt. tranquillon ceanothus Shrub 21
Ceanothus prostratus Mahala mats Shrub 9
Ceanothus prostratus var. laxus Large leaved carpet Shrub 9
Ceanothus prostratus var. prostratus Mahala mat Shrub  
Ceanothus pumilus Siskiyou mat Shrub  
Ceanothus thyrsiflorus var. repens Creeping blueblossom Tree, Shrub 30
Ceanothus tomentosus Woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. olivaceus Southern woolly leaf ceanothus Shrub 7
Ceanothus tomentosus var. tomentosus Woolly leaf ceanothus Shrub 6
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 10
Ceanothus velutinus var. hookeri Hooker's tobacco brush Tree, Shrub 9
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 9
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 10
Cephalanthus occidentalis Common buttonbush Shrub 16
Cephalanthus occidentalis var. californicus California buttonbush Shrub 16
Cercidium microphyllum Yellow palo verde Tree, Shrub 10
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus intricatus Little leaved mountain mahogany Shrub  
Cercocarpus ledifolius Desert mountainmahogany Tree, Shrub 19
Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany Tree, Shrub  
Cercocarpus ledifolius var. ledifolius Curl leaf mountain mahogany Tree, Shrub  
Chamaebatia australis Southern mountain misery Shrub  
Chamaebatia foliolosa Sierran mountain misery Shrub  
Chamaebatiaria millefolium Fern bush Shrub 6
Chrysolepis sempervirens Sierra chinquapin Shrub 2
Chrysothamnus humilis Truckee rabbitbrush Shrub  
Chrysothamnus nauseosus Common rabbitbrush Shrub 23
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. bernardinus San bernardino rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. ceruminosus Sharp bracted rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. hololeucus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. leiospermus Common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. mohavensis Mohave common rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. viridulus Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. washoensis Washoe common rabbitbrush Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. asper Rough parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. bolanderi Bolander's rabbitbrush Shrub  
Chrysothamnus parryi ssp. imulus Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. monocephalus Single headed parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. nevadensis Nevada parry's rabbitbrush Shrub  
Chrysothamnus parryi ssp. vulcanicus Parry's rabbitbrush Shrub  
Chrysothamnus teretifolius Terete leaved rubberbrush Shrub  
Chrysothamnus viscidiflorus Green rabbitbrush Shrub 5
Chrysothamnus viscidiflorus ssp. latifolius Sticky leaved rabbitbrush Shrub  
Chrysothamnus viscidiflorus ssp. puberulus Sticky leaved rabbitbrush Shrub  
Chrysothamnus viscidiflorus ssp. viscidiflorus Sticky leaved rabbitbrush Shrub  
Coreopsis gigantea Giant coreopsis Shrub 23
Cornus glabrata Brown dogwood Tree, Shrub 9
Cornus nuttallii Mountain dogwood Shrub 27
Cornus sericea American dogwood Shrub 41
Cornus sericea ssp. occidentalis Western dogwood Shrub 8
Cornus sericea ssp. sericea Red osier dogwood Shrub 34
Corylus cornuta Beaked hazelnut Shrub 20
Corylus cornuta ssp. californica Beaked hazelnut Shrub 16
Corylus cornuta var. californica California hazelnut Shrub 9
Crataegus columbiana Columbia hawthorn Tree, Shrub 9
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Cupressus sargentii Sargent cypress Tree, Shrub 3
Cylindropuntia Xfosbergii Hoffmann's teddybear cholla Shrub (stem succulent) 1
Cylindropuntia acanthocarpa var. coloradensis Colorado buckhorn cholla Shrub (stem succulent) 1
Cylindropuntia bigelovii var. bigelovii Teddybear cholla Shrub (stem succulent) 1
Dasiphora fruticosa Shrubby cinquefoil Shrub 13
Dendromecon rigida Bush poppy Shrub 15
Diplacus aurantiacus Sticky monkeyflower Shrub 51
Diplacus grandiflorus Sticky monkeyflower Shrub 10
Diplacus linearis Chaparral bush monkeyflower Shrub  
Echinocereus coccineus var. coccineus Scarlet hedgehog cactus Shrub (stem succulent)  
Echinocereus engelmannii Calico cactus Shrub (stem succulent) 2
Echinocereus engelmannii var. engelmannii Engelmann's hedgehog cactus Shrub (stem succulent) 2
Echinocereus triglochidiatus Mohave mound cactus Shrub (stem succulent) 3
Echinomastus johnsonii Johnson's fishhook cactus Shrub (stem succulent)  
Empetrum nigrum ssp. hermaphroditum Black crowberry Shrub 1
Empetrum nigrum ssp. nigrum Black crowberry Shrub  
Encelia farinosa X Encelia frutescens Shrub  
Encelia farinosa X frutescens Hybrid encelia Shrub  
Ephedra fasciculata var. clokeyi Clokey's ephedra Shrub  
Ephedra fasciculata var. fasciculata Arizona ephedra Shrub  
Ericameria arborescens Golden fleece Shrub 3
Ericameria bloomeri Bloomer's goldenbrush Shrub  
Ericameria cuneata Rock goldenbush Shrub 2
Ericameria cuneata var. cuneata Rock goldenbush Shrub 1
Ericameria discoidea Rayless goldenbush Shrub  
Ericameria discoidea var. discoidea Whitestem goldenbush Shrub  
Ericameria greenei Greene's goldenbush Shrub 1
Ericameria nana Dwarf goldenbush Shrub  
Ericameria nauseosa Rubber rabbitbrush Shrub 23
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub  
Ericameria palmeri ssp. palmeri Palmer's goldenbush Shrub  
Ericameria parryi Parry's rabbitbrush Shrub  
Ericameria parryi var. nevadensis Parry's rabbitbrush Shrub  
Ericameria suffruticosa Heath goldenrod Shrub  
Eriodictyon californicum Yerba santa Shrub 10
Eriogonum marifolium Marum leaved buckwheat Shrub  
Eriogonum marifolium var. marifolium Marum leaved buckwheat Shrub  
Eriogonum microthecum Slender buckwheat Shrub  
Eriogonum microthecum var. ambiguum Obscure buckwheat Shrub  
Eriogonum nudum Naked buckwheat Shrub 15
Eriogonum nudum var. deductum Naked buckwheat Shrub  
Eriogonum nudum var. nudum Nude buckwheat Shrub  
Eriogonum nudum var. oblongifolium Oblong leaved buckwheat Shrub  
Eriogonum tripodum Tripod buckwheat Shrub  
Eriophyllum confertiflorum Yellow yarrow Shrub 19
Eriophyllum nevinii Silverlace Shrub 7
Escobaria vivipara Viviparous foxtail cactus Shrub (stem succulent) 1
Escobaria vivipara var. alversonii Foxtail cactus Shrub (stem succulent)  
Escobaria vivipara var. deserti Desert beehive cactus Shrub (stem succulent)  
Escobaria vivipara var. rosea Viviparous foxtail cactus Shrub (stem succulent)  
Ferocactus cylindraceus var. cylindraceus California barrel cactus Shrub (stem succulent) 2
Ferocactus cylindraceus var. lecontei Barrel cactus Shrub (stem succulent) 2
Ferocactus viridescens var. viridescens Shrub (stem succulent) 5
Frangula californica California coffeeberry Shrub 51
Frangula californica ssp. crassifolia Serpentine hoary coffeeberry Shrub  
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 12
Frangula purshiana Cascara sagrada Tree, Shrub 18
Frangula rubra Red buckthorn Shrub 3
Frangula rubra ssp. obtusissima Obtuse buckthorn Shrub  
Frangula rubra ssp. rubra Red buckthorn Shrub 3
Frangula rubra ssp. yosemitana Yosemite buckthorn Shrub  
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 29
Fremontodendron californicum ssp. californicum California fremontia Shrub 25
Fremontodendron californicum ssp. decumbens Pine hill fremontia Shrub 3
Fremontodendron decumbens Pine hill flannelbush Shrub 3
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Galium porrigens var. tenue Graceful bedstraw Vine, Shrub  
Galium stellatum var. eremicum Star flowered bedstraw Shrub  
Garrya flavescens Ashy silk tassel Shrub 1
Garrya fremontii Fremont's silk tassel Shrub 5
Gaultheria ovatifolia Western wintergreen Shrub 1
Gaultheria shallon Salal Shrub 28
Helianthemum greenei Island rush rose Shrub  
Hemizonia clementina Island tarplant Shrub  
Hemizonia minthornii Santa susana tarplant Shrub 1
Hesperocyparis macnabiana Macnab cypress Tree, Shrub 7
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 40
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 38
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 38
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 38
Hymenoclea monogyra Leafy burrobrush Shrub  
Hymenoclea salsola Burrobrush Shrub 6
Hymenoclea salsola var. pentalepis Five scaled burrobrush Shrub  
Hymenoclea salsola var. salsola Burrobrush Shrub  
Hyptis emoryi Desert lavender Shrub 10
Ipomopsis tenuituba Narrow tube ipomopsis Shrub (stem succulent)  
Isomeris arborea Bladderpod Shrub 30
Juniperus communis Common juniper Shrub 14
Juniperus communis var. saxatilis Common juniper Shrub 2
Kalmia polifolia Mountain laurel Shrub 2
Kalmia polifolia ssp. microphylla Bog laurel Shrub 2
Kalmia polifolia ssp. polifolia Mountain laurel Shrub 1
Keckiella breviflora Gaping keckiella Shrub 2
Keckiella breviflora var. breviflora Gaping penstemon Shrub  
Keckiella breviflora var. glabrisepala Hairless gaping keckiella Shrub  
Keckiella lemmonii Lemmon's keckiella Shrub  
Krameria grayi White rhatany Shrub  
Ledum glandulosum Western labrador tea Shrub 1
Lepechinia calycina Pitcher sage Shrub 12
Leptodactylon californicum ssp. californicum California prickly phlox Shrub 1
Leptodactylon californicum ssp. leptotrichomum California prickly phlox Shrub 1
Leptodactylon pungens Prickly phlox Shrub  
Leucothoe davisiae Sierra laurel Shrub 2
Linanthus pungens Granite prickly phlox Shrub  
Lithocarpus densiflorus Tanbark oak Tree, Shrub 13
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Lithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Lonicera cauriana Sweet berry honeysuckle Shrub  
Lonicera conjugialis Purpleflower honeysuckle Shrub 2
Lonicera hispidula Pink honeysuckle Vine, Shrub 34
Lonicera hispidula var. hispidula Pink honeysuckle Vine, Shrub 32
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 34
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 41
Lonicera involucrata var. involucrata Twinberry Shrub 3
Lotus dendroideus Island broom Shrub  
Lotus dendroideus var. dendroideus Island deerweed Shrub  
Lotus dendroideus var. traskiae San clemente island lotus Shrub  
Lotus dendroideus var. veatchii San miguel island deerweed Shrub  
Lupinus albifrons Silver bush lupine Shrub 33
Lupinus albifrons var. albifrons Silver bush lupine Shrub 4
Lupinus albifrons var. collinus Silver bush lupine Shrub 7
Lupinus eximius San mateo tree lupine Shrub  
Lupinus propinquus Coastal bush lupine Shrub 28
Machaeranthera carnosa Shrubby alkali aster Shrub  
Malacothamnus densiflorus var. densiflorus Yellow stem bush mallow Shrub 3
Malacothamnus densiflorus var. viscidus Yellow stem bush mallow Shrub 3
Mammillaria milleri Miller's fish hook cactus Shrub (stem succulent)  
Mimulus aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aridus Low bush monkeyflower Shrub  
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 10
Mimulus aurantiacus var. grandiflorus Sticky monkeyflower Shrub 10
Mimulus aurantiacus var. parviflorus Island bush monkeyflower Shrub  
Mimulus aurantiacus var. puniceus Sticky monkeyflower Shrub 7
Mimulus bifidus Sticky monkeyflower Shrub 10
Mimulus longiflorus Sticky monkeyflower Shrub 12
Mimulus puniceus Red bush monkeyflower Shrub 52
Monardella follettii Follett's monardella Shrub  
Myrica californica Wax myrtle Shrub 54
Myrica hartwegii Mountain wax myrtle Shrub 1
Notholithocarpus densiflorus Tanoak Tree, Shrub 11
Notholithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Notholithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Oemleria cerasiformis Oso berry Shrub 17
Opuntia Xfosbergii Pink teddy bear cholla Shrub (stem succulent)  
Opuntia Xmunzii Munz's cholla Shrub (stem succulent) 2
Opuntia acanthocarpa var. coloradensis Buckhorn cholla Shrub (stem succulent)  
Opuntia bigelovii Teddy bear cholla Shrub (stem succulent) 2
Opuntia curvospina Curved spine beavertail Shrub (stem succulent)  
Opuntia echinocarpa Staghorn cholla Shrub (stem succulent) 2
Opuntia erinacea Old man cactus Shrub (stem succulent) 3
Opuntia erinacea var. erinacea Grizzly pear Shrub (stem succulent) 2
Opuntia erinacea var. utahensis Utah prickly pear Shrub (stem succulent) 2
Opuntia kunzei Devil's cholla Shrub  
Opuntia littoralis var. vaseyi Vasey's coastal pricklypear Shrub (stem succulent) 1
Opuntia parishii Dead cactus Shrub (stem succulent)  
Opuntia parryi Cane cholla Shrub (stem succulent) 4
Opuntia parryi var. serpentina Snake cholla Shrub (stem succulent) 1
Opuntia prolifera Cholla Shrub (stem succulent) 7
Opuntia pulchella Beautiful cholla Shrub (stem succulent)  
Opuntia ramosissima Pencil cactus Shrub (stem succulent)  
Opuntia wolfii Wolf's cholla Shrub (stem succulent)  
Parthenocissus vitacea Virginia creeper Vine, Shrub 3
Paxistima myrsinites Oregon boxwood Shrub 5
Petrophyton caespitosum Rock spiraea Shrub 2
Petrophyton caespitosum ssp. acuminatum Rock spiraea Shrub  
Petrophyton caespitosum ssp. caespitosum Rock spiraea Shrub  
Philadelphus lewisii Wild mock orange Shrub 47
Philadelphus lewisii ssp. gordonianus Gordon's wild mock orange Shrub 47
Philadelphus microphyllus ssp. pumilus Little leaf mock orange Shrub 7
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Phyllodoce breweri Brewer's mountain heather Shrub  
Physocarpus capitatus Ninebark Shrub 39
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Potentilla fruticosa Shrubby cinquefoil Shrub 13
Prunus andersonii Desert peach Tree, Shrub 8
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus subcordata Sierra plum Tree, Shrub 4
Prunus subcordata var. kelloggii Kellogg's klamath plum Tree, Shrub 4
Prunus subcordata var. rubicunda Klamath plum Tree, Shrub 4
Prunus virginiana Chokecherry Tree, Shrub 28
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 9
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 7
Ptelea crenulata Hop tree Tree, Shrub 4
Purshia mexicana var. stansburyana Stansbury's antelope brush Shrub  
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18
Quercus Xchasei Shrub, Tree  
Quercus dumosa Scrub oak Shrub 10
Quercus durata Leather oak Shrub 9
Quercus durata var. durata Leather oak Shrub 2
Quercus vacciniifolia Huckleberry oak Shrub 5
Quercus wislizeni Interior live oak Tree, Shrub 22
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 2
Rhamnus alnifolia Alder leaved coffeeberry Shrub 1
Rhamnus californica Coffee berry Shrub 59
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus californica ssp. occidentalis Wetern california coffeeberry Shrub 1
Rhamnus crocea Redberry Shrub 20
Rhamnus ilicifolia Evergreen buckthorn Shrub 18
Rhamnus purshiana Cascara sagrada Tree, Shrub 17
Rhamnus purshiana var. annonifolia Cascara sagrada Tree, Shrub  
Rhamnus rubra Sierra coffeeberry Shrub 3
Rhamnus rubra ssp. rubra Sierra coffeeberry Shrub  
Rhamnus tomentella Hoary coffeeberry Shrub 23
Rhamnus tomentella ssp. crassifolia Velvet leaf coffeeberry Shrub  
Rhamnus tomentella ssp. cuspidata Sierra hoary coffeeberry Shrub  
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 5
Rhamnus tomentella ssp. ursina Desert hoary coffeeberry Shrub  
Rhododendron Xcolumbianum Shrub  
Rhododendron columbianum Western labrador tea Shrub 1
Rhododendron neoglandulosum Western labrador tea Shrub 1
Rhododendron occidentale Western azalea Tree, Shrub 22
Rhododendron occidentale var. occidentale Western azalea Tree, Shrub 22
Rhododendron occidentale var. paludosum Western azalea Tree, Shrub  
Rhus aromatica Fragrant sumac Shrub 33
Rhus trilobata Skunkbrush Shrub 33
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 8
Ribes amarum Bitter gooseberry Shrub 4
Ribes aureum Golden currant Shrub 51
Ribes californicum California gooseberry Shrub 9
Ribes cereum Wax currant Shrub 16
Ribes cereum var. cereum Wax currant Shrub 2
Ribes divaricatum Spreading gooseberry Shrub 12
Ribes divaricatum var. divaricatum Spreading gooseberry Shrub  
Ribes inerme White stemmed gooseberry Shrub 2
Ribes inerme var. inerme White stemmed gooseberry Shrub  
Ribes lacustre Swamp currant Shrub 6
Ribes lasianthum Alpine gooseberry Shrub  
Ribes menziesii Gooseberry Shrub 6
Ribes menziesii var. hystrix Canyon gooseberry Shrub 1
Ribes montigenum Mountain gooseberry Shrub 2
Ribes nevadense Mountain pink currant Shrub 10
Ribes roezlii Sierra gooseberry Shrub 10
Ribes roezlii var. amictum Sierra gooseberry Shrub  
Ribes roezlii var. roezlii Sierra gooseberry Shrub 3
Ribes sanguineum Flowering currant Shrub 52
Ribes sanguineum var. glutinosum Flowering currant Shrub 24
Ribes velutinum Desert gooseberry Shrub  
Ribes viscosissimum Sticky current Shrub  
Ribes viscosissimum var. hallii Hall's sticky currant Shrub  
Rosa bridgesii Wood rose Shrub 1
Rosa californica California wild rose Shrub 53
Rosa gymnocarpa Wood rose Shrub 20
Rosa nutkana var. muriculata Nootka rose Shrub  
Rosa nutkana var. nutkana Nootka rose Shrub  
Rosa pinetorum Pine rose Shrub  
Rosa pisocarpa Cluster rose Shrub 10
Rosa pisocarpa ssp. ahartii Ahart rose Shrub  
Rosa woodsii Woods' rose Shrub 29
Rosa woodsii ssp. ultramontana Interior rose Shrub 5
Rosa woodsii var. gratissima Tehachapi rose Shrub 2
Rosa woodsii var. ultramontana Wild rose Shrub 5
Rosa yainacensis Cascade rose Shrub 1
Rubus aboriginum Garden dewberry Vine, Shrub  
Rubus glaucifolius Wax leaf raspberry Shrub  
Rubus glaucifolius var. glaucifolius San diego raspberry Shrub  
Rubus leucodermis White bark raspberry Shrub 8
Rubus leucodermis var. bernardinus White bark raspberry Shrub 8
Rubus leucodermis var. leucodermis Whitebark raspberry Shrub 8
Rubus leucodermis var. trinitatis Whitebark raspberry Shrub 8
Rubus parviflorus Thimbleberry Vine, Shrub 36
Rubus parviflorus var. parviflorus Thimbleberry Vine, Shrub 36
Rubus parviflorus var. velutinus Thimbleberry Vine, Shrub 36
Rubus spectabilis var. franciscanus Salmon berry Shrub 22
Rubus spectabilis var. spectabilis Salmonberry Shrub 22
Rubus ursinus California blackberry Vine, Shrub 40
Salazaria mexicana Mexican bladder sage Shrub 5
Salix arctica Arctic willow Shrub 2
Salix brachycarpa ssp. brachycarpa Short fruited willow Shrub  
Salix eastwoodiae Mountain willow Shrub 1
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix geyeriana Geyer's willow Shrub 2
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix jepsonii Jepson's willow Shrub  
Salix lasiandra var. caudata Shining willow Shrub  
Salix lasiolepis Arroyo willow Tree, Shrub 25
Salix lasiolepis var. bigelovii Arroyo willow Tree, Shrub 25
Salix lemmonii Lemmon's willow Shrub 2
Salix ligulifolia Strapleaf willow Shrub  
Salix lucida Shining willow Tree, Shrub 20
Salix lucida ssp. caudata Shining willow Shrub  
Salix lutea Yellow willow Shrub 1
Salix melanopsis Dusky willow Tree, Shrub 4
Salix orestera Sierra willow Shrub  
Salix petrophila Alpine willow Tree, Shrub 2
Salix planifolia ssp. planifolia Tea leaved willow Shrub  
Salix reticulata ssp. nivalis Snow willow Shrub  
Salix scouleriana Scouler willow Tree, Shrub 17
Salix sitchensis Coulter willow Tree, Shrub 14
Salvia apiana var. apiana White sage Shrub 58
Sambucus melanocarpa Black elderberry Shrub 3
Sambucus mexicana Elderberry Tree, Shrub 42
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 61
Sambucus racemosa Red elderberry Shrub 32
Sambucus racemosa var. melanocarpa Rocky mountain elder Shrub 3
Sambucus racemosa var. microbotrys Red elderberry Shrub 3
Sambucus racemosa var. racemosa Red elderberry Shrub 5
Sarcocornia utahensis Utah glasswort Shrub  
Solanum umbelliferum Blue witch Shrub 10
Sorbus californica California mountain ash Shrub 1
Sorbus scopulina Mountain ash Shrub 7
Sorbus scopulina var. cascadensis Cascade mountain ash Shrub 7
Sorbus scopulina var. scopulina Mountain ash Shrub 7
Spiraea densiflora Dense flowered spiraea Shrub 16
Spiraea densiflora ssp. splendens Mountain spirea Shrub 5
Spiraea douglasii Douglas spiraea Shrub 27
Spiraea splendens Rose meadowsweet Shrub 16
Stephanomeria blairii Blair's stephanomeria Shrub 2
Styrax redivivus California snowdrop bush Shrub 8
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 40
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Symphoricarpos rotundifolius Mountain snowberry Shrub 3
Symphoricarpos rotundifolius var. rotundifolius Snowberry Shrub  
Tetradymia canescens Gray horsebrush Shrub 1
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium cespitosum Dwarf bilberry Shrub 2
Vaccinium deliciosum Cascade bilberry Shrub (stem succulent)  
Vaccinium membranaceum Thin leaf huckleberry Shrub 5
Vaccinium parvifolium Red huckleberry Shrub 11
Vaccinium shastense ssp. nevadense Shrub  
Vaccinium shastense ssp. shastense Shasta huckleberry Shrub  
Vaccinium uliginosum Blueberry Shrub 2
Vaccinium uliginosum ssp. occidentale Western blueberry Shrub 2
Vaccinium uliginosum ssp. uliginosum European blueberry Shrub  
Viburnum edule Squashberry Shrub 4
Viburnum ellipticum Common viburnum Shrub 5
Viguiera parishii Parish viguiera Shrub 5
Viguiera reticulata Net veined viguiera Shrub  
Vitis californica California wild grape Vine, Shrub 39
Yucca whipplei Our lord's candle Shrub 31
Yucca whipplei ssp. cespitosa Chaparral yucca Shrub 8
  Lifeform: Tree92 plants
Abies Xshastensis Shasta red fir Tree  
Abies concolor White silver fir Tree 22
Abies concolor var. lowiana California white fir Tree  
Abies magnifica Magnificant silver fir Tree 3
Abies magnifica var. magnifica California red fir Tree  
Acer macrophyllum Bigleaf maple Tree 51
Acer negundo Boxelder Tree 31
Acer negundo var. californicum California box elder Tree 31
Acer negundo var. interius Boxelder Tree 28
Aesculus californica Buckeye Tree 46
Alnus rhombifolia White alder Tree 38
Arbutus menziesii Madrono Tree 36
Callitropsis abramsiana Santa cruz cypress Tree 1
Callitropsis bakeri Modoc cypress Tree 2
Callitropsis forbesii Tecate cypress Tree 2
Callitropsis goveniana Gowen cypress Tree  
Callitropsis macrocarpa Monterey cypress Tree 5
Callitropsis nevadensis Piute cypress Tree  
Callitropsis pygmaea Pygmy cypress Tree 1
Callitropsis stephensonii Arizona cypress Tree 3
Calocedrus decurrens Incense cedar Tree 40
Cercidium floridum ssp. floridum Blue palo verde Tree 7
Cornus sessilis Western cornelian cherry Tree 5
Cupressus abramsiana Santa cruz cypress Tree 2
Cupressus arizonica ssp. nevadensis Piute cypress Tree  
Cupressus bakeri Baker's cypress Tree 7
Cupressus forbesii Tecate cypress Tree 6
Cupressus goveniana Gowen cypress Tree 3
Cupressus goveniana ssp. goveniana Gowen cypress Tree  
Cupressus goveniana ssp. pigmaea Pygmy cypress Tree 2
Cupressus lawsoniana Port orford cedar Tree 13
Cupressus macrocarpa Monterey cypress Tree 24
Cupressus nootkatensis Alaska cedar Tree 1
Cupressus stephensonii Arizona cypress Tree 4
Fraxinus latifolia Oregon ash Tree 31
Juglans californica Southern california black walnut Tree 21
Juglans californica var. californica Southern california black walnut Tree 14
Juglans californica var. hindsii Northern california black walnut Tree 15
Juglans hindsii Northern california black walnut Tree 15
Juniperus grandis Sierra juniper Tree  
Juniperus occidentalis Western juniper Tree 2
Juniperus occidentalis var. australis Sierra juniper Tree  
Juniperus occidentalis var. occidentalis Western juniper Tree 2
Lyonothamnus floribundus ssp. asplenifolius Santa cruz island ironwood Tree 13
Pinus albicaulis Whitebark pine Tree 1
Pinus attenuata Scrub pine Tree 6
Pinus contorta Lodgepole pine Tree 28
Pinus contorta ssp. murrayana Lodgepole pine Tree 3
Pinus jeffreyi Jeffrey pine Tree 16
Pinus lambertiana Sugar pine Tree 12
Pinus monophylla var. fallax Singleleaf pinyon Tree 10
Pinus monophylla var. monophylla Singleleaf pinyon Tree 10
Pinus monticola Little sugar pine Tree 10
Pinus ponderosa Yellow pine Tree 28
Pinus ponderosa var. ponderosa North plateau ponderosa pine Tree 2
Pinus ponderosa var. washoensis Washoe pine Tree  
Pinus sabiniana Bull pine Tree 29
Pinus washoensis Washoe pine Tree  
Platanus racemosa California sycamore Tree 39
Platanus racemosa var. wrightii Arizona sycamore Tree 5
Populus balsamifera ssp. trichocarpa Black cottonwood Tree 28
Populus fremontii Fremont cottonwood Tree 34
Populus fremontii ssp. fremontii Cottonwood Tree 4
Populus tremuloides Quaking aspen Tree 29
Populus trichocarpa Black cottonwood Tree 28
Prunus angustifolia var. angustifolia Chickasaw plum Tree  
Pseudotsuga menziesii Douglas fir Tree 30
Pseudotsuga menziesii var. menziesii Douglas fir Tree 5
Quercus Xkinseliae Tree  
Quercus Xmorehus Oracle oak Tree 1
Quercus berberidifolia Inland scrub oak Tree 13
Quercus chrysolepis Gold cup live oak Tree 24
Quercus chrysolepis var. nana Canyon live oak Tree 24
Quercus douglasii Blue oak Tree 26
Quercus garryana Oregon oak Tree 24
Quercus garryana var. breweri Oregon oak Tree 2
Quercus garryana var. semota Oregon white oak Tree  
Quercus kelloggii California black oak Tree 26
Quercus lobata Valley oak Tree 40
Salix gooddingii Gooding's willow Tree 7
Salix laevigata Polished willow Tree 19
Salix lasiandra Pacific willow Tree 21
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Sequoiadendron giganteum Redwood Tree 18
Taxus brevifolia California yew Tree 11
Taxus brevifolia var. brevifolia Tree 11
Taxus brevifolia var. polychaeta Pacific yew Tree 11
Taxus brevifolia var. reptaneta Pacific yew Tree 11
Torreya californica California nutmeg Tree 9
Tsuga mertensiana Patton spruce Tree 13
Umbellularia californica California bay Tree 41
 
NB: found in Nevada 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.