California Native Plant Link Exchange
PLANT SEARCH RESULTS
SEARCH for plants

SESSION

CHECKLIST

SOURCES

NEWS - FEATURES

Criteria:   found in Butte County  •   is native  •  group by lifeform
3013  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual923 plants
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 2
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon denticulatus Toothed lotus Annual herb  
Acmispon maritimus Coastal lotus Annual herb 2
Acmispon micranthus Small flowered lotus Annual herb 2
Acmispon parviflorus Hill lotus Annual herb  
Acmispon strigosus Strigose lotus Annual herb 3
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. crenulata Annual agoseris Annual herb  
Agoseris heterophylla var. cryptopleura Mountain dandelion Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Agoseris heterophylla var. turgida Annual agoseris Annual herb  
Agrostis elliottiana Elliott's bentgrass Annual grass  
Agrostis hendersonii Henderson's bent grass Annual grass  
Agrostis microphylla Little leaf bentgrass Annual grass  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. gilioides Dense false gilia Annual herb  
Allophyllum integrifolium White allophyllum Annual herb  
Alopecurus carolinianus Carolina foxtail Annual grass  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus palmeri Palmer's amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Ambrosia acanthicarpa Annual burrweed Annual herb 3
Ammannia coccinea Red ammannia Annual herb  
Ammannia robusta Grand ammania Annual herb  
Amsinckia douglasiana Douglas' fiddleneck Annual herb  
Amsinckia eastwoodiae Eastwood's fiddleneck Annual herb 1
Amsinckia intermedia Common fiddleneck Annual herb  
Amsinckia lycopsoides Tarweed fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb  
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Anagallis minima Chaffweed Annual herb  
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Antirrhinum cornutum Spurred snapdragon Annual herb  
Antirrhinum leptaleum Spurred snapdragon Annual herb  
Antirrhinum subcordatum Dimorphic snapdragon Annual herb  
Antirrhinum vexillo-calyculatum Brewer's 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 epigalium Annual herb  
Aphyllon epigalium ssp. epigalium Annual herb  
Aphyllon purpureum Naked broom rape Annual herb  
Aphyllon vallicolum Valley broom rape Annual herb  
Argemone munita Prickly poppy Annual, Perennial herb 4
Aristida oligantha Oldfield three awn Annual grass  
Astragalus gambelianus Loco weed Annual herb  
Astragalus pauperculus Depauperate milk vetch Annual herb  
Astragalus tener Alkali milk vetch Annual herb  
Astragalus tener var. ferrisiae Ferris's milk vetch Annual herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atriplex argentea Silverscale saltbush Annual herb 2
Atriplex argentea var. expansa Mojave silverscale Annual herb 2
Atriplex argentea var. mohavensis Mojave silverscale Annual herb 2
Atriplex cordulata Heartscale Annual herb  
Atriplex cordulata var. cordulata Heartscale Annual herb  
Atriplex depressa Brittlescale Annual herb  
Atriplex minuscula Lesser saltscale Annual herb  
Atriplex serenana Saltscale Annual herb 1
Atriplex serenana var. serenana Saltscale Annual herb  
Atriplex subtilis Deltoid bract saltbush Annual herb  
Bergia texana Texas bergia Annual herb  
Bidens frondosa Sticktight Annual herb  
Blennosperma nanum Yellow carpet Annual herb  
Blennosperma nanum var. nanum Common blennosperma Annual herb  
Blepharipappus scaber Blepharipappus Annual herb  
Bromus orcuttianus Orcutt's brome grass Annual grass 1
Bromus vulgaris Common brome Annual grass 1
Bulbostylis capillaris Thread leaf beakseed Annual grass  
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia menziesii Calandrinia Annual herb 6
California macrophylla Round leaved filaree Annual herb  
Callitriche heterophylla var. bolanderi Bolander's water starwort Annual herb  
Callitriche heterophylla var. heterophylla Varied leaved water starwort Annual herb  
Callitriche marginata Winged water starwort Annual herb (aquatic)  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche trochlearis Water starwort Annual herb (aquatic)  
Callitriche verna Water starwort Annual herb  
Calycadenia fremontii Fremont's calycadenia Annual herb  
Calycadenia multiglandulosa Rosin weed Annual herb  
Calycadenia oppositifolia Butte county calycadenia Annual herb  
Calycadenia pauciflora Small flowered calycadenia Annual herb  
Calycadenia spicata Spicate calycadenia Annual herb  
Calycadenia truncata Rosin weed Annual herb  
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Campanula exigua Chaparral harebell Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja campestris Yellow owl's clover Annual herb  
Castilleja campestris ssp. campestris Yellow 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 rubicundula ssp. lithospermoides Cream sacs Annual herb  
Castilleja rubicundula ssp. rubicundula Cream sacs Annual herb  
Castilleja rubicundula var. rubicundula Pink creamsacs Annual herb  
Castilleja tenuis Hairy owl's clover Annual herb  
Caulanthus lasiophyllus California mustard Annual herb  
Centaurium exaltatum Cancha lagua Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium venustum Beautiful centaury Annual herb  
Centromadia fitchii Spikeweed Annual herb  
Centromadia parryi Pappose tarweed Annual herb  
Centromadia parryi ssp. parryi Pappose tarplant Annual herb  
Centromadia parryi ssp. rudis Pappose tarweed Annual herb  
Centromadia pungens Common tarweed Annual herb 1
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 pincushions Annual, Perennial herb  
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3
Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis Annual herb  
Chaenactis glabriuscula var. megacephala Big headed yellow chaenactis Annual herb 1
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce hooveri Hoover's spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat 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  
Chamomilla occidentalis Western chamomile Annual herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium atrovirens Dark green goosefoot Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chenopodium pratericola Meadow goosefoot Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chorizanthe membranacea Pink spineflower Annual herb 1
Chorizanthe polygonoides Knotweed spineflower Annual herb  
Chorizanthe polygonoides var. polygonoides Knotweed spineflower Annual herb  
Chorizanthe pungens Monterey spineflower Annual herb  
Chorizanthe pungens var. pungens Monterey spineflower Annual herb  
Chorizanthe stellulata Starlet spineflower Annual herb  
Cicendia quadrangularis Common microcalis Annual herb  
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 concinna Red ribbons Annual herb 4
Clarkia concinna ssp. concinna Red ribbons Annual herb  
Clarkia cylindrica Speckled clarkia Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 3
Clarkia gracilis ssp. albicaulis White stemmed clarkia Annual herb 1
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb  
Clarkia mildrediae Mildred's clarkia Annual herb  
Clarkia mildrediae ssp. lutescens Mildred's clarkia Annual herb  
Clarkia mildrediae ssp. mildrediae Mildred's clarkia Annual herb  
Clarkia mosquinii Mosquin's clarkia Annual herb  
Clarkia mosquinii ssp. mosquinii 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 18
Clarkia xantiana Xantus' clarkia Annual herb  
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia exigua ssp. glauca Blue leaved spring beauty Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. grandiflora Large flowered miner's lettuce Annual herb  
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1
Claytonia perfoliata Miner's lettuce Annual herb 5
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
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  
Collinsia heterophylla Chinese houses Annual herb 19
Collinsia heterophylla var. heterophylla Purple chinese houses Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb  
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. bruceae Bruce's collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
Collinsia sparsiflora var. sparsiflora Few flowered collinsia Annual herb  
Collinsia tinctoria Tincture plant Annual herb 1
Collinsia 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 coulteri Coulter's horseweed Annual herb  
Cordylanthus pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. hansenii Hansen's bird's beak Annual herb  
Cordylanthus pilosus ssp. pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. trifidus Hairy bird's beak Annual herb  
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  
Crassula aquatica Aquatic pygmy weed Annual herb  
Crassula connata Sand pygmy weed Annual herb 1
Crassula saginoides Aquatic pygmy weed Annual herb  
Crassula solieri Little pygmy weed Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha affinis Common cryptantha Annual herb  
Cryptantha crinita Silky cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha milobakeri Milo baker's cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2
Cryptantha rostellata Beaked cryptantha Annual herb  
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 californica var. papillosa Papillate dodder Annual herb, Vine (parasitic)  
Cuscuta campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)  
Cuscuta indecora var. neuropetala Nerve petaled dodder Annual herb, Vine (parasitic)  
Cuscuta obtusiflora Peruvian dodder Annual herb, Vine (parasitic)  
Cuscuta obtusiflora var. glandulosa Peruvian dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta pentagona Western field dodder Annual herb, Vine (parasitic)  
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii Mountain dodder Annual herb, Vine (parasitic)  
Cyperus acuminatus Short pointed cyperus Annual grass  
Cyperus bipartitus Slender flatsedge Annual grass  
Cyperus erythrorhizos Red rooted cyperus Annual grass 2
Cyperus odoratus Fragrant flatsedge Annual grass  
Cyperus squarrosus Awned cyperus Annual grass  
Daucus pusillus Wild carrot Annual herb 1
Deschampsia danthonioides Annual hairgrass Annual grass  
Diplacus angustatus Narrow leaved pansy monkeyflower Annual herb 1
Diplacus congdonii Congdon's monkeyflower Annual herb  
Diplacus douglasii Purple mouse ears Annual herb 1
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  
Diplacus tricolor Tricolor monkeyflower Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia bella Hoover's downingia Annual herb  
Downingia bicornuta Bristled downingia Annual herb  
Downingia bicornuta var. bicornuta Bristled downingia Annual herb  
Downingia concolor Spotted throat downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Downingia elegans Elegant downingia Annual herb  
Downingia insignis Harlequin downingia Annual herb  
Downingia montana Sierra downingia Annual herb  
Downingia ornatissima Horned downingia Annual herb  
Downingia ornatissima var. eximia Showy horned downingia Annual herb  
Downingia ornatissima var. ornatissima Horned downingia Annual herb  
Downingia pulchella Flatface downingia Annual herb  
Downingia pusilla Dwarf downingia Annual herb  
Draba verna var. aestivalis Small bruited spring draba Annual herb  
Echinochloa muricata var. microstachya Rough barnyardgrass Annual grass  
Eclipta prostrata False daisy Annual herb 1
Elatine brachysperma Short seed waterwort Annual, Perennial herb  
Elatine californica California waterwort Annual, Perennial herb  
Elatine chilensis Chilean waterwort Annual, Perennial herb (aquatic)  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Elatine heterandra Mosquito waterwort Annual, Perennial herb  
Elatine rubella Southwestern waterwort Annual herb  
Eleocharis atropurpurea Purple spikerush Annual grass  
Eleocharis decumbens Decumbent spikerush Annual grass  
Eleocharis engelmannii Engelmann's spikerush Annual grass  
Eleocharis engelmannii var. engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa Broad spiked spikerush Annual grass 3
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Eleocharis obtusa var. obtusa Broad spiked spikerush Annual grass 3
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium cleistogamum Cleistogamous boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb  
Epilobium foliosum California willowherb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium pallidum Pale boisduvalia Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Epilobium torreyi Narrow boisduvalia Annual herb  
Eragrostis hypnoides Teal lovegrass Annual grass  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. miserrima Desert lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremocarpus setigerus Turkey mullein Annual herb 4
Erigeron canadensis Canada horseweed Annual herb  
Eriochloa acuminata Tapertip cupgrass Annual grass  
Eriochloa acuminata var. acuminata Taper tipped cupgrass Annual grass  
Eriogonum dasyanthemum Chaparral buckwheat Annual herb  
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Eriogonum nudum var. pubiflorum Hairy flowered 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 vimineum Wicker stemmed eriogonum Annual herb 2
Erodium macrophyllum Large leaved filaree Annual herb  
Erythranthe alsinoides Chickweed monkeyflower Annual herb  
Erythranthe arvensis Annual herb  
Erythranthe bicolor Yellow and white monkeyflower Annual herb  
Erythranthe breviflora Short flowered monkeyflower Annual herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe erubescens Annual herb  
Erythranthe filicifolia fern-leaved monkeyflower Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe geniculata Annual herb  
Erythranthe glaucescens shield-bracted monkeyflower Annual herb  
Erythranthe grandis Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Erythranthe inconspicua small-flowered monkeyflower Annual herb  
Erythranthe laciniata cut-leaved monkeyflower Annual herb  
Erythranthe latidens Broad toothed monkeyflower Annual herb  
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Erythranthe pulsiferae Candelabrum monkey flower Annual herb  
Erythranthe suksdorfii Suksdorf's monkeyflower Annual herb  
Eschscholzia caespitosa Tufted eschscholzia Annual herb 15
Eschscholzia californica California poppy Annual, Perennial herb 50
Eschscholzia lobbii Frying pans Annual herb 4
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia glyptosperma Ridge-seeded spurge Annual herb  
Euphorbia hooveri Hoover's spurge Annual herb  
Euphorbia ocellata Contura creek spurge Annual herb  
Euphorbia ocellata ssp. ocellata Valley spurge Annual, Perennial herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. hirtula Hairy thyme leafed spurge Annual, Perennial herb  
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Festuca microstachys Small fescue Annual grass  
Festuca octoflora Sixweeks grass Annual grass 5
Filago californica California filago Annual herb  
Floerkea proserpinacoides False mermaid Annual herb  
Galium aparine Cleavers Annual herb  
Galium bifolium Low mountain bedstraw Annual herb  
Galium tricornutum Rough bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gayophytum heterozygum Zig zag gayophytum Annual herb  
Gayophytum humile Dwarf groundsmoke Annual herb  
Gayophytum racemosum Black foot gayophytum Annual herb  
Gentianella amarella Autumn dwarf gentian Annual herb  
Gentianella amarella ssp. acuta Autumn dwarf gentian Annual herb  
Gentianopsis holopetala Sierra gentian Annual herb  
Gentianopsis simplex Hiker's fringed gentian Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia achilleifolia California gilia Annual herb 2
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 17
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 leptalea Bridges' gilia Annual herb  
Gilia leptalea ssp. bicolor Purple throat gilia Annual herb  
Gilia leptalea ssp. leptalea Bridges gilia Annual herb  
Gilia tricolor Bird's eyes Annual herb 14
Gilia tricolor ssp. tricolor Bird's eyes Annual herb 1
Githopsis diffusa San gabriel bluecup Annual herb  
Githopsis diffusa ssp. robusta San gabriel bluecup Annual herb  
Githopsis pulchella Largeflower bluecup Annual herb  
Githopsis pulchella ssp. campestris Sierra bluecup Annual herb  
Githopsis pulchella ssp. serpentinicola Serpentine bluecup Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium californicum California everlasting Annual, Perennial herb 12
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  
Guillenia lasiophylla Shaggy thelypod Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 3
Helianthus exilis Serpentine sunflower Annual herb 3
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia congesta Hayfield tarweed Annual herb 5
Hemizonia congesta ssp. clevelandii Cleveland's tarweed Annual herb  
Hemizonia congesta ssp. luzulifolia Woodrush tarweed Annual herb 6
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia parryi Parry's tarweed Annual herb 1
Hemizonia parryi ssp. parryi Parry's tarweed Annual herb  
Hemizonia parryi ssp. rudis Parry's red tarplant Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperevax acaulis Dwarf evax Annual herb  
Hesperevax acaulis var. acaulis Dwarf evax Annual herb  
Hesperevax acaulis var. ambusticola Fire evax Annual herb  
Hesperevax acaulis var. robustior Big evax Annual herb  
Hesperevax caulescens Hogwallow starfish Annual herb  
Hesperocnide tenella Western stinging nettle Annual herb  
Hesperolinon adenophyllum Glandular western flax Annual herb  
Hesperolinon californicum California western flax Annual herb  
Hesperolinon disjunctum Coast range western flax Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Hesperomecon linearis Narrowleaf queen poppy Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Heterotheca grandiflora Telegraph weed Annual, Perennial herb 4
Holocarpha virgata Narrow tarplant Annual herb  
Holocarpha virgata ssp. virgata Narrow tarplant Annual herb  
Hordeum arizonicum Arizona foxtail Annual grass  
Hordeum depressum Alkali barley Annual grass 3
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Idahoa scapigera Oldstem idahoa Annual herb  
Isolepis carinata Keeled bulrush Annual grass  
Isolepis cernua Low bulrush Annual grass 14
Jensia rammii Ramm's madia Annual herb  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus bufonius var. congestus Clustered toad rush Annual grass 1
Juncus capillaris Slender stemmed dwarf rush Annual grass  
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus kelloggii Kellogg's dwarf rush Annual grass  
Juncus leiospermus Dwarf rush Annual grass  
Juncus leiospermus var. ahartii Ahart's dwarf rush Annual grass  
Juncus leiospermus var. leiospermus Red bluff dwarf rush Annual grass  
Juncus triformis Yosemite dwarf rush Annual grass  
Juncus uncialis Inch high dwarf 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. ramosissima Common hareleaf Annual herb  
Landoltia punctata Dotted duckmeat Annual, Perennial herb  
Lasthenia californica Goldfields Annual herb 12
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia ferrisiae Alkali goldfields Annual herb  
Lasthenia fremontii Vernal pool goldfields Annual, Perennial herb  
Lasthenia glaberrima Smooth goldfields Annual herb  
Lasthenia glabrata Yellow rayed goldfields Annual herb 8
Lasthenia glabrata ssp. coulteri Goldfields Annual herb  
Lasthenia glabrata ssp. glabrata Yellow rayed goldfields Annual herb  
Lasthenia gracilis Needle goldfields Annual herb  
Lasthenia microglossa Small rayed goldfields Annual herb  
Lasthenia minor Coastal goldfields Annual herb  
Lasthenia platycarpha Alkali goldfields Annual herb  
Layia chrysanthemoides Smooth tidy tips Annual herb 1
Layia fremontii Fremont's tidy tips Annual herb  
Layia platyglossa Tidy tips Annual herb 19
Layia septentrionalis Colusa layia Annual herb  
Lepidium acutidens Net pepper grass Annual, Perennial herb  
Lepidium dictyotum Net pepper grass Annual herb  
Lepidium dictyotum var. acutidens Net pepper grass Annual herb  
Lepidium dictyotum var. dictyotum Net pepper grass Annual herb  
Lepidium lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum ssp. lasiocarpum Shaggyfruit pepperweed Annual herb  
Lepidium lasiocarpum var. lasiocarpum Sand peppergrass Annual herb  
Lepidium latipes Dwarf pepper grass Annual herb  
Lepidium latipes var. latipes Dwarf pepper grass Annual herb  
Lepidium nitidum Shining pepper grass Annual herb 2
Lepidium nitidum var. nitidum Shining 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 fusca Sprangletop Annual grass  
Leptochloa fusca ssp. fascicularis Bearded sprangletop Annual grass  
Leptochloa fusca ssp. uninervia Mexican sprangletop Annual grass  
Leptochloa uninervia Sprangletop Annual grass  
Leptosiphon acicularis Bristly leptosiphon Annual herb  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon filipes Thread linanthus Annual herb  
Leptosiphon harknessii Harkness' flaxflower Annual herb  
Leptosiphon parviflorus Variable linanthus Annual herb 1
Lessingia nana Little lessingia Annual herb  
Lessingia nemaclada Thread stem lessingia Annual herb  
Lessingia 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 douglasii Common meadow foam Annual herb 7
Limnanthes douglasii ssp. douglasii Douglas' meadowfoam Annual herb  
Limnanthes douglasii ssp. nivea Snow white meadowfoam Annual herb 3
Limnanthes douglasii ssp. rosea Rosy douglas' meadowfoam Annual herb 3
Limnanthes douglasii ssp. striata Foothill meadowfoam Annual herb  
Limnanthes floccosa Woolly meadowfoam Annual herb  
Limnanthes floccosa ssp. californica Butte county meadowfoam Annual herb  
Limnanthes floccosa ssp. floccosa Woolly 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 androsaceus Common linanthus Annual herb 1
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus dichotomus Evening snow Annual herb  
Linanthus dichotomus ssp. meridianus Evening snow Annual herb  
Linanthus filipes Filiform linanthus Annual herb  
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus parviflorus Common linanthus Annual herb 1
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 aristulata Pointed hemicarpha Annual grass  
Lipocarpha micrantha Small flowered hemicarpha Annual grass  
Lipocarpha occidentalis Western hemicarpha Annual grass  
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 purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus salsuginosus Coastal lotus Annual herb 2
Lotus strigosus Strigose lotus Annual herb 3
Lotus unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus affinis Fleshy lupine Annual herb  
Lupinus arizonicus Arizona lupine Annual herb 7
Lupinus benthamii Spider lupine Annual herb 3
Lupinus benthamii var. benthamii Spider lupine Annual herb 3
Lupinus bicolor Lupine Annual, Perennial herb 15
Lupinus microcarpus Chick lupine Annual herb 8
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 12
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus nanus Valley sky lupine Annual herb 11
Lupinus pachylobus Big pod lupine Annual herb  
Lupinus sparsiflorus Coulter's lupine Annual herb 6
Lupinus stiversii Harlequin lupine Annual herb 2
Lupinus succulentus Arroyo lupine Annual herb 21
Lysimachia minima Chaffweed Annual herb  
Madia citrigracilis Shasta tarweed Annual herb  
Madia citriodora Lemon scented tarweed Annual herb  
Madia elegans Common madia Annual herb 13
Madia elegans ssp. densifolia Leafy common madia Annual herb 11
Madia elegans ssp. elegans Common madia Annual herb 2
Madia elegans ssp. vernalis Spring common madia Annual herb 11
Madia exigua Small tarweed Annual herb  
Madia glomerata Mountain tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia minima Little tarweed Annual herb  
Madia rammii Ramm's madia Annual herb  
Madia subspicata Slender tarweed Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Matricaria discoidea Pineapple weed Annual herb 3
Matricaria occidentalis Valley mayweed Annual herb  
Meconella californica California meconella Annual herb  
Meconella denticulata Small flowered meconella Annual herb  
Meconella linearis Narrow leaved meconella Annual herb  
Mentzelia dispersa Scattered 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 douglasii Douglas' microseris Annual herb 1
Microseris douglasii ssp. douglasii Douglas' microseris Annual herb  
Microseris douglasii ssp. tenella Short scaled microseris Annual herb  
Microseris elegans Elegant silverpuffs Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimetanthe pilosa Snouted monkey flower Annual herb  
Mimulus alsinoides Chickweed monkeyflower 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 congdonii Congdon's monkeyflower Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus filicifolius Fern-leaved monkeyflower 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) 36
Mimulus inconspicuus Small flowered monkeyflower Annual herb  
Mimulus jepsonii Jepson's monkeyflower Annual herb  
Mimulus kelloggii Kellogg's monkeyflower Annual herb  
Mimulus laciniatus Cut leaved monkeyflower Annual herb  
Mimulus latidens Broad toothed 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 34
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 parishii Parish mimulus Annual herb 34
Mimulus pilosus Snouted monkey flower Annual herb  
Mimulus pulsiferae Candelabrum monkey flower Annual herb  
Mimulus suksdorfii Suksdorf's monkeyflower Annual herb  
Mimulus torreyi Torrey's monkeyflower Annual herb  
Mimulus tricolor Tricolor monkeyflower Annual herb  
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Minuartia pusilla Annual sandwort Annual herb  
Mohavea confertiflora Mojave flower Annual herb  
Monardella breweri Brewer's monardella Annual herb  
Monardella breweri ssp. glandulifera Brewer's monardella Annual herb 1
Monardella breweri ssp. lanceolata Mustang mint Annual herb 1
Monardella breweri ssp. microcephala Brewer's monardella Annual herb 1
Monardella douglasii Douglas' monardella Annual herb 1
Monardella douglasii ssp. venosa Veiny monardella Annual herb  
Monardella lanceolata Mustang mint Annual herb 1
Monardella lanceolata var. lanceolata Mustang monardella Annual herb  
Monardella venosa Veiny monardella Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Montia diffusa Diffuse miner's lettuce 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  
Muhlenbergia minutissima Annual muhly Annual grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus apetalus var. borealis Bristly mousetail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Myosurus minimus ssp. apus Little mouse tail Annual herb  
Myosurus sessilis Tiny mouse tail Annual herb  
Najas guadalupensis Guadalupe water nymph Annual herb  
Najas guadalupensis ssp. guadalupensis Southern waternymph Annual herb  
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 heterandra Tehama navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia leptalea Bridges' pincushionplant Annual herb  
Navarretia leptalea ssp. bicolor Bridges' gilia Annual herb  
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. bakeri Baker's navarretia Annual herb  
Navarretia leucocephala ssp. leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. minima Little white navarretia Annual herb  
Navarretia nigelliformis Adobe navarretia Annual herb  
Navarretia nigelliformis ssp. nigelliformis Adobe navarretia Annual herb  
Navarretia nigelliformis ssp. radians Shining navarretia Annual herb  
Navarretia paradoxiclara Navarretia Annual herb  
Navarretia paradoxinota Navarretia Annual herb  
Navarretia propinqua Annual herb  
Navarretia prostrata Prostrate navarretia Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia squarrosa Skunkweed Annual herb  
Navarretia subuligera Awl leaved navarretia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Navarretia torreyella Annual herb  
Navarretia viscidula Sticky navarretia Annual herb  
Navarretia viscidula ssp. purpurea Sticky pincushionplant Annual herb  
Navarretia vividior Mountain navarretia Annual herb  
Nemacladus capillaris Common nemacladus Annual herb  
Nemacladus interior Sierra nemacladus Annual herb  
Nemophila heterophylla Canyon nemophila Annual herb  
Nemophila maculata Five spot Annual herb 16
Nemophila menziesii Baby blue eyes Annual herb 17
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 spatulata Sierra nemophila Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Nicotiana quadrivalvis Indian tobacco Annual herb 2
Nuttallanthus texanus Blue toadflax Annual, Perennial herb  
Orcuttia pilosa Hairy orcutt grass Annual grass  
Orcuttia tenuis Slender orcutt grass Annual grass  
Orobanche vallicola Valley broom rape Annual herb  
Orthocarpus cuspidatus Broad scaled owl's clover Annual herb 1
Orthocarpus cuspidatus ssp. cryptanthus Short flowered owl's clover Annual herb  
Panicum capillare Old witch grass Annual grass 2
Paronychia ahartii Ahart's paronychia Annual herb  
Parvisedum congdonii Congdon's stonecrop Annual herb  
Parvisedum pumilum Sierra stonecrop Annual herb  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya pusilla Little pectocarya Annual herb  
Pentachaeta alsinoides Tiny pygmy daisy Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia campanularia Desert bells Annual herb 17
Phacelia cicutaria Caterpillar phacelia Annual herb 5
Phacelia cicutaria var. cicutaria Caterpillar phacelia Annual herb  
Phacelia distans Common phacelia Annual herb 3
Phacelia purpusii Purpus' phacelia Annual herb  
Phacelia racemosa Racemose phacelia Annual herb  
Phacelia tanacetifolia Tansy leafed phacelia Annual herb 14
Phacelia vallicola Mariposa phacelia Annual herb  
Phalaris lemmonii Lemmon's canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Pholistoma auritum Fiesta flower Annual herb  
Physalis acutifolia Sharp leaf ground cherry Annual herb 1
Plagiobothrys austiniae Rebecca austin's allocarya Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn 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 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 humistratus Dwarf allocarya Annual herb  
Plagiobothrys leptocladus Alkali plagiobothrys Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys scouleri Scouler's popcornflower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys scriptus Scribe's allocarya Annual herb  
Plagiobothrys shastensis Shasta popcorn flower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Planodes virginica Common rock cress Annual, Perennial herb  
Planodes virginicum Common rock cress Annual, Perennial herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal plantain Annual herb  
Plantago elongata ssp. pentasperma Five seeded plantain Annual herb  
Plantago erecta California plantain Annual herb 6
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 congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis congesta ssp. congesta Sea blush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa bolanderi Bolander's bluegrass Annual grass  
Poa howellii Howell's blue grass Annual grass  
Pogogyne douglasii Douglas' pogogyne Annual herb  
Pogogyne douglasii ssp. douglasii Douglas' mesamint Annual herb  
Pogogyne zizyphoroides Sacramento mint Annual herb  
Polanisia dodecandra Redwhisker clammyweed Annual herb 1
Polanisia dodecandra ssp. trachysperma Clammy weed Annual herb  
Polygonum bidwelliae Bidwell's knotweed Annual herb  
Polygonum californicum California knotweed Annual herb  
Polygonum douglasii Douglas' 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 majus Large douglas' 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. kelloggii Kellogg's knotweed Annual herb  
Polygonum sawatchense Knotweed Annual herb  
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb  
Polygonum sawatchense ssp. sawatchense Knotweed 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  
Pseudobahia heermannii Heermann's golden sunburst Annual herb  
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 12
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus brevissimus var. multiflorus Delta woolly marbles Annual herb  
Psilocarphus chilensis Round woolly marbles Annual herb  
Psilocarphus oregonus Woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Psilocarphus tenellus var. globiferus Round woolly marbles Annual herb  
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb  
Pterostegia drymarioides Fairy mist Annual herb  
Puccinellia simplex California alkaligrass Annual grass  
Rafinesquia californica California chicory Annual herb  
Ranunculus bonariensis Carter's buttercup Annual herb  
Ranunculus bonariensis var. trisepalus Vernal pool buttercup Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus pusillus Low buttercup Annual herb (aquatic)  
Ranunculus sceleratus Cursed crowfoot Annual herb (aquatic)  
Ranunculus sceleratus var. sceleratus Cursed buttercup Annual herb (aquatic)  
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 curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris Bog yellow cress Annual, Perennial herb  
Rorippa palustris ssp. hispida Hispid yellowcress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. hispida Hispid yellow cress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Rumex persicarioides Golden dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Salvia columbariae Chia sage Annual herb 11
Saxifraga bryophora Bud saxifrage Annual herb  
Schoenoplectus saximontanus Rocky mountain bulrush Annual grass  
Scirpus cernuus Low clubrush Annual grass 14
Scirpus saximontanus Rocky mountain bulrush Annual grass  
Sclerolinon digynum Digynum flax Annual herb  
Scribneria bolanderi Scribneria Annual grass  
Sedella pumila Sierra mock stonecrop Annual herb  
Sibara virginica Common rock cress Annual, Perennial herb  
Sidalcea calycosa Checker mallow Annual herb 3
Sidalcea calycosa ssp. calycosa Checker mallow Annual herb  
Sidalcea diploscypha Fringed checker mallow Annual herb  
Sidalcea hartwegii Hartweg's checkerbloom Annual herb  
Sidalcea hirsuta Hairy checkerbloom Annual herb  
Silene antirrhina Sleepy catch fly Annual herb  
Silene californica California indian pink Annual herb 2
Solanum americanum White nightshade Annual, Perennial herb 1
Spergularia marina Salt sand spurry Annual herb 2
Spergularia salina Salt sandspurry Annual herb 2
Spirodela punctata Dotted duckmeat Annual, Perennial herb  
Stebbinsoseris heterocarpa Grassland stebbinsoseris Annual herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria elata Santa barbara stephanomeria Annual herb  
Stephanomeria exigua Small wirelettuce Annual herb  
Stephanomeria exigua ssp. macrocarpa Large fruited stephanomeria Annual herb  
Stephanomeria paniculata Stiff branched stephanomeria Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Streptanthus diversifolius Varied leaved jewelflower Annual herb  
Streptanthus drepanoides Sickle fruit jewel flower Annual herb  
Streptanthus polygaloides Milkwort jewelflower Annual herb  
Streptanthus tortuosus Jewelweed 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  
Suaeda calceoliformis Horned sea blite Annual herb 1
Suaeda occidentalis Western horned sea blite Annual herb 1
Subularia aquatica Waterawlwort Annual herb  
Subularia aquatica ssp. americana Water awlwort Annual herb  
Subularia aquatica var. americana American awlwort Annual herb  
Symphyotrichum subspicatum Douglas aster Annual herb 9
Symphyotrichum subulatum Eastern annual saltmarsh aster Annual herb  
Tetrapteron graciliflorum Hill sun cup Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus curvipes ssp. elegans Fringe Pod Annual herb  
Thysanocarpus radians Showy fringe pod Annual herb 1
Tonella tenella Small flowered tonella Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trichostema oblongum Mountain bluecurls Annual herb  
Trichostema simulatum Siskiyou 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 Bearded clover Annual herb  
Trifolium bifidum Notch leaf clover Annual herb 2
Trifolium bifidum var. bifidum Pinole clover Annual herb 2
Trifolium bifidum var. decipiens Notch leaf clover Annual herb 2
Trifolium ciliolatum Tree clover Annual herb 6
Trifolium columbinum Olive clover Annual herb  
Trifolium cyathiferum Cup clover Annual herb  
Trifolium depauperatum Dwarf sack clover Annual herb  
Trifolium depauperatum var. amplectens Pale sack clover Annual herb  
Trifolium depauperatum var. depauperatum Dwarf bladder clover Annual herb  
Trifolium depauperatum var. truncatum Dwarf sack clover Annual herb  
Trifolium dichotomum Branched indian clover Annual herb  
Trifolium fucatum Bull clover Annual herb 4
Trifolium gracilentum Pin point clover Annual herb 5
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5
Trifolium jokerstii Jim's clover Annual herb 1
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 olivaceum Olive clover Annual herb  
Trifolium polyodon Pacific grove clover Annual herb 1
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. geminiflorum Small-flowered variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 7
Triglochin scilloides Flowering-quillwort Annual herb (aquatic)  
Triodanis biflora Venus looking glass Annual herb  
Triodanis perfoliata Clasping venus looking glass Annual herb 1
Triphysaria eriantha Butter 'n' eggs Annual herb 1
Triphysaria eriantha ssp. eriantha Butter 'n' eggs Annual herb  
Triphysaria micrantha Little butter 'n' eggs Annual herb  
Triphysaria pusilla Little owl's clover Annual herb  
Triphysaria versicolor Yellow owl's clover Annual herb 1
Triphysaria versicolor ssp. faucibarbata Yellow owl's clover Annual herb  
Tropidocarpum gracile Slender tropidocarpum Annual herb  
Tuctoria greenei Greene's tuctoria Annual grass  
Uropappus lindleyi Silver puffs Annual herb 1
Utricularia intermedia Flat leaved bladderwort Annual herb  
Utricularia minor Lesser bladderwort Annual herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vulpia microstachys Fescue Annual grass 6
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Vulpia octoflora Slender fescue Annual grass 5
Vulpia octoflora var. hirtella Six weeks fescue Annual grass 1
Vulpia octoflora var. octoflora Six weeks fescue Annual grass  
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera davyi Davy's centaury Annual herb 1
Zeltnera exaltata Cancha lagua Annual herb  
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial1 plant
Erigeron divergens Diffuse daisy Biennial, Perennial herb 4
  Lifeform: Perennial1605 plants
Achillea millefolium Yarrow Perennial herb 70
Achnatherum latiglume Sierra needlegrass Perennial grass  
Achnatherum lemmonii Lemmon's stipa Perennial grass 1
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum lettermanii Letterman stipa Perennial grass 1
Achnatherum nelsonii Columbia needlegrass Perennial grass 1
Achnatherum nelsonii ssp. dorei Mountain needlegrass Perennial grass 1
Achnatherum occidentale Western needlegrass Perennial grass 1
Achnatherum occidentale ssp. californicum California needlegrass Perennial grass  
Achnatherum occidentale ssp. occidentale Western needlegrass Perennial grass  
Achnatherum occidentale ssp. pubescens Elmer's needlegrass Perennial grass  
Achnatherum stillmanii Stillman's stipa Perennial grass 1
Acmispon argophyllus Silver birds foot trefoil Perennial herb  
Acmispon argophyllus var. fremontii Fremont's silver lotus Perennial herb  
Acmispon glaber Deerweed Perennial herb 22
Acmispon glaber var. glaber Deerweed Perennial herb  
Acmispon grandiflorus Large leaved lotus Perennial herb 4
Acmispon grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Acmispon grandiflorus var. macranthus Mountain chaparral lotus Perennial herb  
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Aconitum columbianum Monkshood Perennial herb 4
Aconitum columbianum ssp. columbianum Columbian monkshood Perennial herb  
Aconogonon davisiae Davis knotweed Perennial herb  
Aconogonon phytolaccifolium Pokeweed knotweed Perennial herb  
Actaea rubra Baneberry Perennial herb 8
Adenocaulon bicolor Trail plant Perennial herb  
Agastache urticifolia Horse mint Perennial herb 6
Ageratina occidentalis Western eupatorium Perennial herb 4
Agoseris aurantiaca Orange flowered agoseris Perennial herb 1
Agoseris aurantiaca var. aurantiaca Orange agoseris Perennial herb  
Agoseris glauca var. monticola Mountain agoseris Perennial herb  
Agoseris grandiflora Giant mountain dandelion Perennial herb 3
Agoseris grandiflora var. grandiflora Giant mountain dandelion Perennial herb  
Agoseris grandiflora var. leptophylla Giant mountain dandelion Perennial herb 3
Agoseris monticola Mountain agoseris Perennial herb  
Agoseris retrorsa Spear leaved agoseris Perennial herb 1
Agrimonia gryposepala Common agrimony Perennial herb  
Agrostis exarata Bentgrass Perennial grass 5
Agrostis exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis humilis Mountain bent grass Perennial grass  
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis perennans Upland bentgrass Perennial grass  
Agrostis scabra Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Agrostis variabilis Mountain bentgrass Perennial grass  
Alisma plantago-aquatica Water plantain Perennial herb (aquatic) 5
Alisma triviale Northern water plantain Perennial herb (aquatic) 5
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium campanulatum Dusky onion Perennial herb (bulb) 2
Allium cratericola Cascade onion Perennial herb (bulb) 2
Allium hyalinum Glassy onion Perennial herb (bulb) 2
Allium jepsonii Jepson's onion Perennial herb (bulb)  
Allium membranaceum Papery onion Perennial herb (bulb)  
Allium obtusum Red sierra onion Perennial herb (bulb) 3
Allium obtusum var. conspicuum Showy red sierra onion Perennial herb (bulb)  
Allium obtusum var. obtusum Red sierra onion Perennial herb (bulb)  
Allium peninsulare Mexicali onion Perennial herb (bulb)  
Allium peninsulare var. peninsulare Mexicali onion Perennial herb (bulb)  
Allium platycaule Broad stemmed onion Perennial herb (bulb) 2
Allium sanbornii Sanborn's onion Perennial herb (bulb)  
Allium sanbornii var. sanbornii Sanborn's allium Perennial herb (bulb)  
Allium validum Swamp onion Perennial herb (bulb) 5
Allotropa virgata Sugarstick Perennial herb (mycoparasitic)  
Alopecurus aequalis Sonoma alopecurus Perennial grass  
Alopecurus aequalis var. aequalis Shortawn foxtail Perennial grass  
Alopecurus geniculatus Marsh foxtail Perennial grass  
Ambrosia psilostachya Ragweed Perennial herb 6
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Andropogon glomeratus Bushy bluestem Perennial grass 2
Andropogon glomeratus var. pumilus Bushy bluestem Perennial grass  
Andropogon glomeratus var. scabriglumis Beardgrass Perennial grass  
Anemone drummondii Drummond's anemone Perennial herb 2
Anemone occidentalis Western anemone Perennial herb 3
Anemone oregana Western wood anenome Perennial herb  
Angelica breweri Brewer's angelica Perennial herb 2
Angelica californica California angelica Perennial herb  
Angelica capitellata Grayswamp whiteheads Perennial herb 2
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Antennaria argentea Silvery everlasting Perennial herb  
Antennaria microphylla Littleleaf pussytoes Perennial herb 5
Antennaria rosea Rosy everlasting Perennial herb 2
Antennaria rosea ssp. confinis Rosy pussytoes Perennial herb  
Antirrhinum confertiflorum Ghost flower Perennial herb  
Aphyllon californicum California orobanche Perennial herb (parasitic)  
Aphyllon californicum ssp. grayanum Gray's california broom rape Perennial herb (parasitic)  
Aphyllon californicum ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Aphyllon fasciculatum Clustered broomrape Perennial herb (parasitic)  
Aphyllon pinorum Pinewoods broom rape Perennial herb (parasitic)  
Apocynum androsaemifolium Spreading dogbane Perennial herb 1
Apocynum cannabinum Indian hemp Perennial herb 11
Aquilegia formosa Columbine Perennial herb 54
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. austiniae Rebecca austin's rock cress Perennial herb  
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Arabis eschscholtziana Eschscholtz's hairy rockcress Perennial herb  
Arabis glabra Smooth rock cress Perennial herb  
Arabis glabra var. furcatipilis Smooth rock cress Perennial herb  
Arabis glabra var. glabra Smooth rock cress Perennial herb  
Arabis hirsuta var. glabrata Mountain rock cress Perennial herb  
Arabis holboellii Holboell's rock cress Perennial herb  
Arabis holboellii var. retrofracta Backward splitting holboell's rock cress Perennial herb  
Arabis platysperma Broad seeded rock cress Perennial herb  
Arabis rectissima Bristlyleaf rockcress Perennial herb  
Arabis rectissima var. rectissima Bristly leaved rock cress Perennial herb  
Arabis sparsiflora Sicklepod rock cress Perennial herb 2
Arabis sparsiflora var. arcuata Elegant rockress Perennial herb  
Arabis sparsiflora var. sparsiflora Elegant rock cress Perennial herb 2
Arabis suffrutescens Woody rock cress Perennial herb  
Arabis suffrutescens var. suffrutescens Woody rockcress Perennial herb  
Aralia californica California spikenard Perennial herb 18
Arceuthobium abietinum Fir dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium americanum American dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium californicum Sugar pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium campylopodum Pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium cyanocarpum Blue berry dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium divaricatum Western dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium littorum Seashore dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium monticola Mountain dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium occidentale Digger pine dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium siskiyouense Siskiyou dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. mertensianae Mountain hemlock dwarf mistletoe Perennial herb (parasitic)  
Arceuthobium tsugense ssp. tsugense Hemlock dwarf mistletoe Perennial herb (parasitic)  
Arenaria aculeata Prickly sandwort Perennial herb  
Arenaria congesta Capitate sandwort Perennial herb 1
Arenaria congesta var. congesta Capitate sandwort Perennial herb  
Arenaria kingii ssp. compacta King's sandwort Perennial herb  
Arenaria kingii var. glabrescens King's smooth sandwort Perennial herb  
Arenaria pumicola var. californica Pumice sandwort Perennial herb  
Aristida ternipes Spidergrass Perennial grass 2
Aristida ternipes var. gentilis Spidergrass Perennial grass 2
Arnica chamissonis Chamisso arnica Perennial herb 6
Arnica dealbata Mock leopardbane Perennial herb  
Arnica discoidea Rayless arnica Perennial herb  
Arnica latifolia Mountain arnica Perennial herb  
Arnica longifolia Seep spring arnica Perennial herb  
Arnica mollis Cordilleran arnica Perennial herb 1
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia dracunculus Tarragon Perennial herb 11
Asarum hartwegii Hartweg's wild ginger Perennial herb 4
Asarum lemmonii Lemmon's wild ginger Perennial herb 6
Asclepias cordifolia Purple milkweed Perennial herb 8
Asclepias eriocarpa Indian milkweed Perennial herb 9
Asclepias fascicularis narrow leaf milkweed Perennial herb 32
Asclepias speciosa Showy milkweed Perennial herb 40
Aster alpigenus var. andersonii Alpine aster Perennial herb 1
Aster ascendens Long leaved aster Perennial herb  
Aster breweri Brewer's aster Perennial herb  
Aster chilensis California aster Perennial herb 40
Aster eatonii Eaton's aster Perennial herb 2
Aster foliaceus Leafy aster Perennial herb 1
Aster foliaceus var. parryi Parry's aster Perennial herb 1
Aster integrifolius Entire leaved aster Perennial herb  
Aster lanceolatus ssp. hesperius Western lance leaf aster Perennial herb  
Aster occidentalis Western mountain aster Perennial herb 1
Aster occidentalis var. occidentalis Western mountain aster Perennial herb  
Aster occidentalis var. yosemitanus Western bog aster Perennial herb  
Aster oregonensis Oregon aster Perennial herb  
Aster radulinus Rough leaved aster Perennial herb 3
Astragalus andersonii Anderson's rattle weed Perennial herb  
Asyneuma prenanthoides California harebell Perennial herb 2
Atriplex fruticulosa Ball saltbush Perennial herb  
Baccharis douglasii Salt marsh baccharis Perennial herb 14
Baccharis glutinosa Salt Marsh baccharis Perennial herb 27
Bacopa eisenii Gila river water hyssop Perennial herb  
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
Balsamorhiza macrolepis Big scale balsam root Perennial herb 1
Balsamorhiza sagittata Arrow leaved balsamroot Perennial herb 6
Barbarea orthoceras Winter cress Perennial herb 1
Berula erecta Cut leaved water parsnip Perennial herb 1
Bidens cernua Nodding beggartick Perennial herb  
Bistorta bistortoides American bistort Perennial herb  
Boechera arcuata Arching rockcress Perennial herb  
Boechera breweri Brewer's rock cress Perennial herb 1
Boechera breweri ssp. breweri Brewer's rockcress Perennial herb  
Boechera breweri ssp. shastaensis Shasta rockcress Perennial herb  
Boechera platysperma Pioneer rockcress Perennial herb  
Boechera rectissima Bristly leaf rockcress Perennial herb  
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera sparsiflora Sicklepod rockcress Perennial herb 2
Boechera suffrutescens Woody rockcress Perennial herb  
Bolboschoenus fluviatilis River bulrush Perennial grass 2
Bolboschoenus maritimus Alkali bulrush Perennial grass 15
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 15
Bolboschoenus robustus Sturdy bullrush Perennial grass 10
Boykinia major Large boykinia Perennial herb 5
Boykinia occidentalis Western boykinia Perennial herb 6
Brasenia schreberi Watershield Perennial herb (aquatic)  
Brickellia californica California brickellia Perennial herb 15
Brickellia greenei Greene's brickelbush Perennial herb  
Brodiaea californica California brodiaea Perennial herb 7
Brodiaea californica var. californica California brodiaea Perennial herb 2
Brodiaea coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. coronaria Harvest brodiaea Perennial herb (bulb) 3
Brodiaea coronaria ssp. rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest brodiaea Perennial herb 1
Brodiaea minor Low brodiaea Perennial herb 2
Brodiaea nana Dwarf brodiaea Perennial herb  
Brodiaea purdyi Purdy's brodiaea Perennial herb 2
Brodiaea rosea Indian valley brodiaea Perennial herb (bulb)  
Brodiaea rosea ssp. rosea Indian Valley brodiaea Perennial herb (bulb  
Brodiaea rosea ssp. vallicola valley brodiaea Perennial herb (bulb)  
Brodiaea sierrae Sierra foothills brodiaea Perennial herb  
Brodiaea stellaris Star flowered brodiaea Perennial herb 1
Brodiaea terrestris Dwarf brodiaea Perennial herb 1
Brodiaea terrestris ssp. terrestris Dwarf brodiaea Perennial herb  
Bromus carinatus California bromegrass Perennial grass 20
Bromus carinatus var. carinatus California brome Perennial grass 20
Bromus carinatus var. marginatus Mountain brome Perennial grass 6
Bromus ciliatus Fringed bromegrass Perennial grass 2
Bromus grandis Tall brome Perennial grass  
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus polyanthus Great basin brome, colorado brome Perennial grass  
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus richardsonii Fringed brome Perennial grass  
Bromus sitchensis var. carinatus California brome Perennial grass 20
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Bromus suksdorfii Suksdorf's bromegrass Perennial grass 1
Calamagrostis canadensis Canada reedgrass Perennial grass 5
Calamagrostis canadensis var. canadensis Bluejoint Perennial grass  
Calamagrostis canadensis var. langsdorfii Canada reedgrass Perennial grass  
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Callitriche fassettii Fassett's water starwort Perennial herb  
Callitriche hermaphroditica Northern water starwort Perennial herb  
Callitriche heterophylla Water starwort Perennial herb  
Callitriche longipedunculata Longstock water-starwort Perennial herb  
Calochortus albus White fairy lantern Perennial herb 6
Calochortus albus var. albus Fairy lantern Perennial herb 1
Calochortus amabilis Golden fairy lantern Perennial herb 3
Calochortus coeruleus Blue star tulip Perennial herb 1
Calochortus leichtlinii Leichtlin's mariposa lily Perennial herb 2
Calochortus luteus Yellow mariposa Perennial herb 5
Calochortus monophyllus Yellow star tulip Perennial herb 3
Calochortus nudus Naked mariposa lily Perennial herb 1
Calochortus superbus Yellow mariposa Perennial herb 5
Calochortus tolmiei Hairy star tulip Perennial herb 5
Calochortus venustus Butterfly mariposa lily Perennial herb 6
Calochortus vestae Coast range mariposa lily Perennial herb 2
Caltha leptosepala White marsh marigold Perennial herb 3
Caltha leptosepala ssp. howellii Howell's marsh marigold Perennial herb 3
Caltha leptosepala var. biflora Marsh marigold Perennial herb 3
Calyptridium monospermum One seeded pussypaws Perennial herb  
Calystegia atriplicifolia Nightblooming false bindweed Perennial herb (rhizomatous)  
Calystegia atriplicifolia ssp. buttensis Butte county morning glory Perennial herb (rhizomatous)  
Calystegia malacophylla Morning glory Perennial herb  
Calystegia malacophylla ssp. malacophylla Sierra morning glory Perennial herb  
Calystegia occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. fulcrata Sonora morning glory Perennial herb  
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia occidentalis var. tomentella Kern morning glory Perennial herb  
Camassia leichtlinii Large camas Perennial herb 11
Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas Perennial herb 3
Camassia quamash Camas Perennial herb 13
Camassia quamash ssp. breviflora Small camas Perennial herb 1
Camassia quamash ssp. quamash Common camas Perennial herb 3
Camissonia tanacetifolia Tansy leaf evening primrose Perennial herb  
Camissonia tanacetifolia ssp. quadriperforata Sierra valley evening primrose Perennial herb  
Camissonia tanacetifolia ssp. tanacetifolia Tansy leaved suncup Perennial herb  
Campanula prenanthoides Nodding harebell Perennial herb 2
Campanula scouleri Scouler's harebell Perennial herb  
Cardamine breweri Brewer's bitter cress Perennial herb  
Cardamine breweri var. breweri Brewer's bitter cress Perennial herb  
Cardamine californica milkmaids Perennial herb  
Cardamine californica var. californica Milk maids Perennial herb  
Cardamine californica var. integrifolia California toothwort Perennial herb  
Cardamine nuttallii Nuttall's toothwort Perennial herb  
Cardamine nuttallii var. covilleana Coville's toothwort Perennial herb  
Cardamine pachystigma Rock toothwort Perennial herb  
Cardamine pachystigma var. dissectifolia Dissected leaf toothwort Perennial herb (rhizomatous)  
Cardamine pachystigma var. pachystigma Rock toothwort Perennial herb  
Cardamine pensylvanica Pennsylvania bittercress Perennial herb  
Carex abrupta Abrupt beaked sedge Perennial grass  
Carex albida White sedge Perennial grass (rhizomatous)  
Carex amplectens Clasping bract sedge Perennial grass 1
Carex amplifolia Ample leaved sedge Perennial grass 3
Carex angustata Narrow leaved sedge Perennial grass 1
Carex aquatilis Water sedge Perennial grass 5
Carex aquatilis var. aquatilis Water sedge Perennial grass 1
Carex athrostachya Slender leaved sedge Perennial grass 2
Carex aurea Golden fruited sedge Perennial grass  
Carex barbarae Valley sedge Perennial grass 24
Carex bella Southwestern showy sedge Perennial grass  
Carex bolanderi Bolander's sedge Perennial grass  
Carex brainerdii Brainerd's sedge Perennial grass  
Carex capitata Capitate sedge Perennial grass  
Carex constanceana Contance's sedge Perennial grass  
Carex cusickii Cusick's sedge Perennial grass 2
Carex cyrtostachya Arching sedge Perennial grass  
Carex davyi Davy's sedge Perennial grass  
Carex densa Sedge Perennial grass 8
Carex deweyana Dewey sedge Perennial grass 5
Carex deweyana ssp. leptopoda Dewey's taper fruit sedge Perennial grass 3
Carex disperma Soft leaf sedge Perennial grass  
Carex dudleyi Dudley's sedge Perennial grass 8
Carex echinata Bristle fruit sedge Perennial grass 1
Carex echinata ssp. echinata Bristle fruit sedge Perennial grass  
Carex feta Green sheathed sedge Perennial grass  
Carex filifolia Thread leaf sedge Perennial grass 1
Carex filifolia var. erostrata Thread leaf sedge Perennial grass  
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex geyeri Geyer's sedge Perennial grass (rhizomatous)  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex gracilior Slender sedge Perennial grass  
Carex hassei Hasse's sedge Perennial grass  
Carex heteroneura Variable nerved sedge Perennial grass  
Carex heteroneura var. heteroneura Vari nerved sedge Perennial grass  
Carex hirtissima Fuzzy sedge Perennial grass  
Carex hoodii Hood's sedge Perennial grass  
Carex illota Sheep sedge Perennial grass  
Carex infirminervia Perennial grass  
Carex integra Smooth beak sedge Perennial grass  
Carex jonesii Jones' sedge Perennial grass  
Carex laeviculmis Smooth stem sedge Perennial grass 1
Carex lemmonii Lemmon's sedge Perennial grass  
Carex lenticularis Lakeshore sedge Perennial grass 1
Carex lenticularis var. impressa Lakeshore sedge Perennial grass  
Carex lenticularis var. lipocarpa Fat fruited sedge Perennial grass 1
Carex leptopoda Slender-footed sedge Perennial grass 5
Carex limosa Shore sedge Perennial grass (rhizomatous)  
Carex luzulina Wood rush sedge Perennial grass  
Carex luzulina var. ablata American cold loving sedge Perennial grass  
Carex mariposana Mariposa sedge Perennial grass  
Carex mendocinensis Mendocino sedge Perennial grass  
Carex microptera Small wing sedge Perennial grass 2
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nebrascensis Nebraska sedge Perennial grass 2
Carex nervina Sierra nerved sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 14
Carex obnupta Slough sedge Perennial grass 17
Carex pachycarpa Furrowed broomsedge Perennial grass  
Carex pachystachya Thick headed sedge Perennial grass 2
Carex pellita Woolly sedge Perennial grass 7
Carex praegracilis Field sedge Perennial grass 28
Carex preslii Presl's sedge Perennial grass 1
Carex raynoldsii Raynold's sedge Perennial grass  
Carex rossii Ross' sedge Perennial grass 1
Carex scabriuscula Siskiyou sedge Perennial grass (rhizomatous)  
Carex scopulorum Mountain sedge Perennial grass  
Carex scopulorum var. bracteosa Bracted sedge Perennial grass  
Carex serratodens Bifid sedge Perennial grass 2
Carex simulata Short beaked sedge Perennial grass 2
Carex specifica Narrow fruit sedge Perennial grass  
Carex spectabilis Showy sedge Perennial grass 2
Carex stipata Awlfruit sedge Perennial grass 5
Carex stipata var. stipata Awl fruited sedge Perennial grass  
Carex straminiformis Straw like sedge Perennial grass  
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Carex utriculata Beaked sedge Perennial grass 7
Carex vernacula Native sedge Perennial grass  
Carex vesicaria Blister sedge Perennial grass 3
Carex vulpinoidea Fox sedge Perennial grass 3
Carex whitneyi Whitney's sedge Perennial grass  
Carex xerophila chaparral sedge Perennial herb  
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja applegatei Wavy leaf paintbrush Perennial herb 2
Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush Perennial herb  
Castilleja arachnoidea Cobwebby paintbrush Perennial herb  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja miniata ssp. miniata Scarlet indian paintbrush Perennial herb  
Castilleja parviflora Mountain paintbrush Perennial herb  
Castilleja peirsonii Peirson's paintbrush Perennial herb  
Castilleja pruinosa Frosted paintbrush Perennial herb (hemiparasitic)  
Castilleja subinclusa Franciscan paint brush Perennial herb 1
Cephalanthera austiniae Phantom orchid Perennial herb  
Cerastium arvense Meadow chickweed Perennial herb 1
Ceratophyllum demersum Hornwort Perennial herb 1
Chamaesaracha nana Dwarf chamaesaracha Perennial herb  
Chamerion angustifolium Fireweed Perennial herb 14
Chamerion angustifolium ssp. circumvagum Fireweed Perennial herb 2
Chenopodium californicum California goosefoot Perennial herb 1
Chimaphila menziesii Little prince's pine Perennial herb  
Chimaphila umbellata Blake's prince's pine Perennial herb  
Chlorogalum angustifolium Narrow leaved soaproot Perennial herb 1
Chlorogalum grandiflorum Red hills soaproot Perennial herb (bulb)  
Chlorogalum pomeridianum Amole Perennial herb 17
Chlorogalum pomeridianum var. pomeridianum Common soaproot Perennial herb 2
Cicuta douglasii Western water hemlock Perennial herb 1
Cinna latifolia Drooping wood reed Perennial grass  
Circaea alpina Small enchanter's nightshade Perennial herb  
Circaea alpina ssp. pacifica Pacific enchanter's nightshade Perennial herb  
Cirsium andersonii Anderson's thistle Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium congdonii Congdon's thistle Perennial herb  
Cirsium douglasii Swamp thistle Perennial herb 1
Cirsium douglasii var. breweri Brewer's swamp thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 9
Cirsium occidentale var. californicum California thistle Perennial herb  
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium occidentale var. occidentale Cobweb thistle Perennial herb 1
Cirsium occidentale var. venustum Venus thistle Perennial herb  
Cirsium scariosum Elk thistle Perennial herb  
Cirsium scariosum var. americanum Dinnerplate thistle Perennial herb  
Claytonia lanceolata Western spring beauty Perennial herb  
Claytonia palustris Marsh claytonia Perennial herb  
Claytonia sibirica Candy flower Perennial herb 7
Clematis lasiantha Pipestem Perennial herb, Vine 26
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clematis pauciflora Virgin's bower Perennial herb, Vine 1
Clinopodium douglasii Yerba buena Perennial herb 34
Clintonia uniflora Bride's bonnet Perennial herb 1
Comandra umbellata Bastard toadflax Perennial herb (parasitic)  
Comandra umbellata ssp. californica Bastard toadflax Perennial herb (parasitic)  
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza mertensiana Merten's coral root Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corydalis caseana Sierra fumewort Perennial herb 1
Corydalis caseana ssp. caseana Sierra corydalis Perennial herb  
Crepis monticola Mountain hawk's beard Perennial herb  
Crepis occidentalis Western hawk's beard Perennial herb  
Crepis occidentalis ssp. conjuncta Largeflower hawksbeard Perennial herb  
Crepis occidentalis ssp. pumila Largeflower hawksbeard Perennial herb  
Crepis pleurocarpa Naked stemmed hawksbeard Perennial herb  
Cressa truxillensis Alkali weed Perennial herb 3
Cucurbita foetidissima Missouri gourd Perennial herb, Vine 4
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. humilis Cycladenia Perennial herb  
Cymopterus terebinthinus Turpentine cymopterus Perennial herb  
Cymopterus terebinthinus var. californicus Turpentine cymopterus Perennial herb  
Cynoglossum grande Houndstongue Perennial herb 5
Cynoglossum occidentale Hound's tongue Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 12
Cyperus esculentus Nut grass Perennial grass  
Cyperus niger Brown cyperus Perennial grass  
Cyperus strigosus Straw colored cyperus Perennial grass 1
Cypripedium californicum California lady's slipper Perennial herb (rhizomatous)  
Cypripedium fasciculatum Clustered lady's slipper Perennial herb (rhizomatous)  
Damasonium californicum California damsonium Perennial herb (aquatic)  
Danthonia californica California oatgrass Perennial grass 21
Danthonia californica var. americana American oatgrass Perennial grass 21
Danthonia intermedia Timber oatgrass Perennial grass 2
Danthonia unispicata One spiked oatgrass Perennial grass  
Darlingtonia californica California pitcherplant Perennial herb (carnivorous) 2
Darmera peltata Umbrella plant Perennial herb 14
Datisca glomerata Durango root Perennial herb 2
Datura wrightii Jimsonweed Perennial herb 16
Delphinium decorum Larkspur Perennial herb  
Delphinium decorum ssp. tracyi Tracy's larkspur Perennial herb  
Delphinium depauperatum Few flowered larkspur Perennial herb  
Delphinium gracilentum Meadow larkspur Perennial herb  
Delphinium hansenii Hansen's larkspur Perennial herb  
Delphinium hansenii ssp. hansenii Hansen's larkspur Perennial herb  
Delphinium hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. hesperium Western larkspur Perennial herb  
Delphinium hesperium ssp. pallescens Western larkspur Perennial herb  
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium nuttallianum Nuttall's larkspur Perennial herb 2
Delphinium patens Spreading larkspur Perennial herb  
Delphinium patens ssp. patens Spreading larkspur Perennial herb  
Delphinium recurvatum Recurved larkspur Perennial herb  
Delphinium uliginosum Swamp larkspur Perennial herb  
Delphinium variegatum Royal larkspur Perennial herb 1
Delphinium variegatum f. superbum Royal larkspur Perennial herb  
Delphinium variegatum ssp. variegatum Royal larkspur Perennial herb  
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia elongata Hairgrass Perennial grass 17
Descurainia incana Mountain tansy mustard Perennial herb  
Dicentra formosa Pacific bleedinghearts Perennial herb 25
Dicentra formosa ssp. formosa Bleeding heart Perennial herb 2
Dicentra formosa ssp. oregana Oregon bleeding heart Perennial herb  
Dicentra pauciflora Few flowered bleeding heart Perennial herb  
Dicentra uniflora Steers head Perennial herb  
Dichanthelium lanuginosum var. thermale Geysers dichanthelium Perennial grass  
Dichelostemma capitatum Blue dicks Perennial herb 15
Dichelostemma capitatum ssp. capitatum Wild hyacinth Perennial herb 2
Dichelostemma congestum Fork toothed ookow Perennial herb 7
Dichelostemma multiflorum Many flowered brodiaea Perennial herb 6
Dichelostemma volubile Twining brodiaea Perennial herb 7
Dichondra donelliana Dichondra Perennial herb, Vine 5
Dieteria canescens Hoary aster Perennial herb 1
Dieteria canescens var. shastensis Shasta aster Perennial herb  
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Disporum hookeri Fairy bells Perennial herb 11
Distichlis spicata Salt grass Perennial grass 25
Dodecatheon alpinum Alpine shooting star Perennial herb 1
Dodecatheon clevelandii Padre's shooting star Perennial herb 8
Dodecatheon clevelandii ssp. patulum Padre's shooting star Perennial herb  
Dodecatheon hendersonii Shooting star Perennial herb 11
Dodecatheon jeffreyi Jeffrey's shooting star Perennial herb 3
Doellingeria breweri Perennial herb  
Draperia systyla Violet draperia Perennial herb  
Drosera Xobovata Hybrid sundew Perennial herb (carnivorous)  
Drosera anglica Long leaved sundew Perennial herb (carnivorous)  
Drosera rotundifolia Round leaved sundew Perennial herb 1
Drymocallis glandulosa Sticky cinquefoil Perennial herb 11
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis hansenii Yosemite woodbeauty Perennial herb  
Drymocallis lactea Perennial herb 1
Drymocallis lactea var. austiniae Austin's woodbeauty Perennial herb  
Drymocallis lactea var. lactea Sierran woodbeauty Perennial herb  
Dudleya cymosa Rock lettuce Perennial herb 19
Dudleya cymosa ssp. cymosa Canyon dudleya Perennial herb 3
Dudleya multicaulis Many stemmed dudleya Perennial herb  
Echinodorus berteroi Burhead Perennial herb (aquatic)  
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis acicularis var. bella Beautiful spikerush Perennial grass  
Eleocharis acicularis var. occidentalis Needle spike rush Perennial grass  
Eleocharis bella Beautiful spikerush Perennial grass  
Eleocharis bolanderi Bolander's spikerush Perennial grass  
Eleocharis coloradoensis Dwarf spikerush Perennial grass 2
Eleocharis macrostachya Spike rush Perennial grass 18
Eleocharis montevidensis Montevideo spike rush Perennial grass 2
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Eleocharis pauciflora Few flowered spike rush Perennial grass  
Eleocharis quadrangulata Four angled spikerush Perennial grass  
Eleocharis quinqueflora Fewflower spikerush Perennial grass  
Eleocharis radicans Creeping spikerush Perennial grass  
Eleocharis rostellata Walking sedge Perennial grass 1
Eleocharis suksdorfiana Suksdorf's spikerush Perennial grass  
Elodea canadensis Common water weed Perennial herb  
Elymus Xhansenii Perennial grass  
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. brevifolius Short leaved squirreltail Perennial grass  
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail Perennial grass  
Elymus elymoides var. brevifolius Squirrel tail grass Perennial grass  
Elymus elymoides var. californicus Squirrel tail grass Perennial grass  
Elymus elymoides var. elymoides Squirrel tail grass Perennial grass  
Elymus glaucus Blue wildrye Perennial grass 32
Elymus glaucus ssp. glaucus Blue wild rye Perennial grass 1
Elymus glaucus ssp. jepsonii Western rye grass Perennial grass 1
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus sierrae Sierra wildrye Perennial grass  
Elymus stebbinsii Stebbins' wildrye Perennial grass  
Elymus stebbinsii ssp. septentrionalis Stebbins' wildrye Perennial grass  
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Enemion occidentale Western false rue anemone Perennial herb  
Epilobium anagallidifolium Alpine willowherb Perennial herb  
Epilobium angustifolium ssp. angustifolium Fireweed Perennial herb 2
Epilobium angustifolium ssp. circumvagum Fireweed Perennial herb 1
Epilobium canum California fuchsia Perennial herb 50
Epilobium canum ssp. canum California fuchsia Perennial herb 11
Epilobium canum ssp. latifolium California fushia Perennial herb 5
Epilobium ciliatum Slender willow herb Perennial herb 2
Epilobium ciliatum ssp. ciliatum Willow herb Perennial herb 2
Epilobium ciliatum ssp. glandulosum Glandular willowherb Perennial herb 1
Epilobium glaberrimum Smooth willowherb Perennial herb  
Epilobium glaberrimum ssp. fastigiatum Smooth willowherb Perennial herb  
Epilobium glaberrimum ssp. glaberrimum Smooth willowherb Perennial herb  
Epilobium halleanum Hairy willowherb Perennial herb  
Epilobium hallianum Hall's willowherb Perennial herb  
Epilobium hornemannii Hornemann's willowherb Perennial herb  
Epilobium hornemannii ssp. hornemannii Hornemann's willow herb Perennial herb  
Epilobium lactiflorum White flowered willowherb Perennial herb  
Epilobium obcordatum Heart willowweed Perennial herb  
Epilobium oregonense Slimstem willowweed Perennial herb  
Epilobium saximontanum Glandular willowherb Perennial herb  
Epipactis gigantea Stream orchid Perennial herb 16
Eremogone aculeata Prickly sandwort Perennial herb  
Eremogone cliftonii Clifton's eremogone Perennial herb  
Eremogone congesta Capitate sandwort Perennial herb  
Eremogone congesta var. congesta Capitate sandwort Perennial herb  
Eremogone kingii King's sandwort Perennial herb 1
Eremogone kingii var. glabrescens King's smooth sandwort Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. hartwegii Hartweg's fleabane Perennial herb  
Erigeron glacialis Wandering fleabane Perennial herb 3
Erigeron glacialis var. glacialis Wandering fleabane Perennial herb  
Erigeron inornatus Rayless fleabane Perennial herb  
Erigeron inornatus var. calidipetris Hot rock daisy Perennial herb  
Erigeron inornatus var. inornatus Fleabane Perennial herb  
Erigeron lassenianus Mt. lassen fleabane Perennial herb  
Erigeron lassenianus var. lassenianus Mt. lassen daisy Perennial herb  
Erigeron lobatus Lobed fleabane Perennial herb 4
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. sierrensis Northern sierra daisy Perennial herb (rhizomatous)  
Erigeron petrophilus var. viscidulus Klamath daisy Perennial herb (rhizomatous)  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriodictyon lobbii Matted yerba santa Perennial herb 1
Eriogonum lobbii Lobb's buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 26
Eriogonum umbellatum var. ahartii Ahart's buckwheat Perennial herb  
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum umbellatum var. modocense Sulphur flower buckwheat Perennial herb 2
Eriogonum umbellatum var. nevadense Sierra sulfur flower Perennial herb 2
Eriogonum umbellatum var. polyanthum Many flowered sulfur flower Perennial herb 6
Eriogonum umbellatum var. speciosum Showy sulfur buckwheat Perennial herb  
Eriogonum ursinum Bear buckwheat Perennial herb 4
Eriogonum ursinum var. ursinum Bear buckwheat Perennial herb  
Eriogonum wrightii Wright's buckwheat Perennial herb, Shrub 6
Eriogonum wrightii var. trachygonum Wright s buckwheat Perennial herb, Shrub  
Eriophorum gracile Slender cotton grass Perennial grass  
Eriophyllum lanatum Wooly sunflower Perennial herb 27
Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower Perennial herb 2
Eriophyllum lanatum var. croceum Sierra woolly sunflower Perennial herb  
Eriophyllum lanatum var. grandiflorum Large flowered woolly sunflower Perennial herb 1
Eriophyllum lanatum var. integrifolium Oregon sunshine Perennial herb  
Eryngium aristulatum Jepson's button celery Perennial herb 2
Eryngium aristulatum var. aristulatum Jepson's button celery Perennial herb  
Eryngium articulatum Coyote thistle Perennial herb 1
Eryngium castrense Great valley button celery Perennial herb  
Eryngium jepsonii Perennial herb  
Eryngium vaseyi Coyote thistle Perennial herb  
Eryngium vaseyi var. vallicola Coyote thistle Perennial herb  
Erysimum capitatum Wallflower Perennial herb 10
Erysimum capitatum var. angustatum Contra costa wallflower Perennial herb 1
Erysimum capitatum var. bealianum Western wallflower Perennial herb 1
Erysimum capitatum var. capitatum Sanddune wallflower Perennial herb 1
Erysimum capitatum var. lompocense San luis obispo wallflower Perennial herb 1
Erysimum capitatum var. perenne Sanddune wallflower Perennial herb  
Erysimum perenne Sanddune wallflower Perennial herb  
Erythranthe cardinalis Cardinal monkey flower Perennial herb 41
Erythranthe lewisii Lewis' monkey flower Perennial herb 12
Erythranthe moschata Musk monkeyflower Perennial herb 1
Erythranthe nasuta Perennial herb  
Erythranthe primuloides Primrose monkeyflower Perennial herb  
Erythranthe ptilota Muskflower Perennial herb  
Erythranthe tilingii Larger mountain monkeyflower Perennial herb 3
Erythranthe willisii Perennial herb  
Erythronium californicum California fawn lily Perennial herb (bulb) 1
Erythronium citrinum Lemon colored fawn lily Perennial herb (bulb) 1
Erythronium grandiflorum Glacier lily Perennial herb (bulb) 5
Erythronium grandiflorum ssp. grandiflorum Glacier lily Perennial herb (bulb) 1
Erythronium grandiflorum var. pallidum California glacier lily Perennial herb (bulb)  
Erythronium multiscapideum Sierra fawn lily Perennial herb (bulb) 4
Erythronium multiscapoideum Sierra fawn lily Perennial herb (bulb) 4
Erythronium purpurascens Purple fawn lily Perennial herb (bulb) 2
Eschscholzia californica ssp. californica California poppy Perennial herb 2
Eschscholzia procera Kernville poppy Perennial herb 2
Eucephalus breweri Brewer's aster Perennial herb  
Eurybia integrifolia Thickstem aster Perennial herb  
Eurybia radulina Roughleaf aster Perennial herb 3
Euthamia occidentalis Western goldenrod Perennial herb 15
Festuca californica California fescue Perennial grass 48
Festuca californica ssp. californica Perennial grass 6
Festuca elmeri Coast fescue Perennial grass  
Festuca idahoensis Blue fescue Perennial grass 53
Festuca occidentalis Western fescue Perennial grass 8
Festuca roemeri var. klamathensis Idaho fescue Perennial grass 48
Festuca rubra Red fescue Perennial grass 39
Festuca subulata Bearded fescue Perennial grass  
Festuca subuliflora Coast range fescue Perennial grass  
Festuca viridula Mountain bunch fescue Perennial grass  
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca Wild strawberry Perennial herb 35
Fragaria virginiana Mountain strawberry Perennial herb 12
Frankenia salina Yerba reuma, alkali heath Perennial herb 12
Frasera albicaulis Whitestem frasera Perennial herb  
Frasera albicaulis var. modocensis Modoc frasera Perennial herb  
Frasera albicaulis var. nitida Whitestem frasera Perennial herb  
Fritillaria affinis Checker lily Perennial herb (bulb) 7
Fritillaria affinis var. affinis Checker lily Perennial herb (bulb) 4
Fritillaria atropurpurea Spotted mountain bells Perennial herb 2
Fritillaria eastwoodiae Butte county fritillary Perennial herb (bulb) 1
Fritillaria lanceolata var. tristulis Marin checker lily Perennial herb 4
Fritillaria micrantha Brown bells Perennial herb  
Fritillaria pluriflora Adobe lily Perennial herb (bulb) 1
Fritillaria purdyi Purdy's fritillary Perennial herb (bulb) 1
Fritillaria recurva Scarlet fritillary Perennial herb 1
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium grayanum Gray's bedstraw Perennial herb  
Galium grayanum var. grayanum Gray's bedstraw Perennial herb  
Galium mexicanum Mexican bedstraw Perennial herb  
Galium mexicanum ssp. asperulum Mexican bedstraw Perennial herb  
Galium mexicanum var. asperulum Mexican bedstraw Perennial herb  
Galium sparsiflorum Sequoia bedstraw Perennial herb  
Galium sparsiflorum ssp. glabrius Sequoia bedstraw Perennial herb  
Galium sparsiflorum ssp. sparsiflorum Sequoia bedstraw Perennial herb  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum ssp. subbiflorum Threepetal bedstraw Perennial herb  
Galium trifidum var. pacificum Bedstraw Perennial herb  
Galium trifidum var. pusillum Small bedstraw Perennial herb  
Gamochaeta argyrinea Silver Cudweed Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb  
Gentiana calycosa Rainier pleated gentian Perennial herb  
Gentiana newberryi Alpine gentian Perennial herb 2
Gentiana newberryi var. newberryi Alpine gentian Perennial herb  
Gentiana newberryi var. tiogana Sierra alpine gentian Perennial herb  
Geum macrophyllum Large leaved avens Perennial herb 8
Geum macrophyllum var. perincisum Largeleaf avens Perennial herb  
Geum triflorum Old man's beard Perennial herb 7
Glyceria borealis Northern mannagrass Perennial grass 1
Glyceria elata Tall mannagrass Perennial grass 8
Glyceria occidentalis Waxy mannagrass Perennial grass (aquatic) 2
Glyceria striata Fowl mannagrass Perennial grass 8
Glycyrrhiza lepidota Lichorice Perennial herb 1
Gnaphalium canescens Everlasting cudweed Perennial herb 3
Gnaphalium canescens ssp. beneolens Cudweed Perennial herb 1
Gnaphalium canescens ssp. microcephalum White everlasting Perennial herb 1
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Goodyera oblongifolia Rattlesnake plantain Perennial herb 4
Grindelia camporum Gumweed Perennial herb 13
Grindelia camporum var. camporum Great valley gumweed Perennial herb 1
Grindelia hirsutula Gumweed Perennial herb 12
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 12
Hackelia californica California stickseed Perennial herb  
Hackelia micrantha Jessica's stickseed Perennial herb  
Hackelia nervosa Sierran stickseed Perennial herb  
Hastingsia alba White hastingsia Perennial herb 2
Hastingsia serpentinicola Siskiyou hastingsia Perennial herb  
Hazardia whitneyi Whitney's bristleweed Perennial herb  
Hazardia whitneyi var. whitneyi Whitney's goldenbush Perennial herb  
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium puberulum Sneezeweed Perennial herb 9
Helianthella californica California helianthella Perennial herb 5
Helianthella californica var. nevadensis California helianthella Perennial herb 1
Helianthus californicus California sunflower Perennial herb 4
Heliotropium curassavicum Chinese parsley Perennial herb 8
Heliotropium curassavicum var. oculatum Seaside heliotrope Perennial herb 2
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cow parsnip Perennial herb 20
Heteranthera dubia Water star grass Perennial herb  
Heterotheca oregona Oregon golden aster Perennial herb  
Heterotheca oregona var. compacta Compact oregon goldenaster Perennial herb  
Heuchera micrantha Alum root Perennial herb 34
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 32
Heuchera micrantha var. erubescens Crevice alumroot Perennial herb 31
Hibiscus lasiocarpos Rose mallow Perennial herb (rhizomatous) 6
Hibiscus lasiocarpos var. occidentalis Woolly rose-mallow Perennial herb 12
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium argutum Hawkweed Perennial herb  
Hieracium gracile Alpine hawkweed Perennial herb  
Hieracium parryi Scouler's woollyweed Perennial herb  
Hieracium scouleri Hounds tongue hawkweed Perennial herb  
Hieracium triste Woolly hawkweed Perennial herb  
Hoita macrostachya California hemp Perennial herb 6
Hoita orbicularis Creeping leather root Perennial herb 3
Hoita strobilina Loma prieta psoralea Perennial herb  
Holozonia filipes Holozonia Perennial herb  
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Hordeum brachyantherum ssp. californicum Meadow barley Perennial grass 7
Hordeum jubatum Fox tail barley Perennial grass 7
Horkelia californica California horkelia Perennial herb 10
Horkelia californica ssp. dissita California horkelia Perennial herb  
Horkelia californica var. elata California horkelia Perennial herb  
Horkelia fusca Tawny horkelia Perennial herb  
Horkelia fusca ssp. parviflora Dusky horkelia Perennial herb  
Horkelia fusca ssp. tenella Pinewoods horkelia Perennial herb  
Horkelia fusca var. parviflora Tawny horkelia Perennial herb  
Horkelia fusca var. tenella Tawny horkelia Perennial herb  
Horkelia tridentata Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. tridentata Three toothed horkelia Perennial herb  
Horkelia tridentata var. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata var. tridentata Three toothed horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 6
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia incana Woolly lotus Perennial herb  
Hosackia oblongifolia Narrow leaved lotus Perennial herb 2
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus Perennial herb 1
Hosackia pinnata Pinnate lotus Perennial herb  
Hosackia stipularis Stipulate lotus Perennial herb  
Hosackia stipularis var. ottleyi Ottley's stipulate lotus Perennial herb  
Hosackia stipularis var. stipularis Stipulate lotus Perennial herb  
Hydrocotyle umbellata Marsh pennywort Perennial herb  
Hydrocotyle verticillata Whorled marsh pennywort Perennial herb 2
Hydrophyllum alpestre Alpine breeches Perennial herb  
Hydrophyllum capitatum Ballhead waterleaf Perennial herb  
Hydrophyllum capitatum var. alpinum Woolen breeches Perennial herb  
Hydrophyllum occidentale Western waterleaf Perennial herb 1
Hypericum concinnum Gold wire Perennial herb  
Hypericum formosum St john's wort Perennial herb  
Hypericum formosum var. scouleri Scouler's st. john's wort Perennial herb 2
Hypericum scouleri Scouler's st john's wort Perennial herb 2
Imperata brevifolia Satintail Perennial grass 2
Ipomopsis aggregata Scarlet gilia Perennial herb 7
Ipomopsis aggregata ssp. aggregata Scarlet gilia Perennial herb 2
Ipomopsis aggregata ssp. formosissima Western scarlet gilia Perennial herb  
Iris chrysophylla Golden leaved iris Perennial herb 5
Iris hartwegii Hartweg's iris Perennial herb 4
Iris hartwegii ssp. hartwegii Hartweg's iris Perennial herb 1
Iris hartwegii ssp. pinetorum Hartweg's yellow pine iris Perennial herb  
Iris macrosiphon Ground iris Perennial herb 8
Iris tenuissima Slender iris Perennial herb 1
Iris tenuissima ssp. purdyiformis Slender iris Perennial herb  
Iris tenuissima ssp. tenuissima Slender iris Perennial herb  
Isopyrum occidentale Western false rue anemone Perennial herb  
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus articulatus Jointed rush Perennial grass 2
Juncus articulatus ssp. articulatus Jointed rush Perennial grass  
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus brachyphyllus Short leaved rush Perennial grass  
Juncus bufonius var. occidentalis Round fruited toad rush Perennial grass  
Juncus confusus Colorado rush Perennial grass  
Juncus covillei Coville's rush Perennial grass  
Juncus covillei var. covillei Coville's rush Perennial grass  
Juncus covillei var. obtusatus Coville's rush Perennial grass  
Juncus drummondii Drummond's rush Perennial grass  
Juncus dubius Mariposa rush Perennial grass 1
Juncus effusus Common bog rush Perennial grass 44
Juncus effusus ssp. pacificus Pacific rush Perennial grass 6
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus effusus var. gracilis Slender common rush Perennial grass  
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus ensifolius Sword leaved rush Perennial grass 7
Juncus exiguus Klamath or weak rush Perennial grass  
Juncus howellii Howell's rush Perennial grass  
Juncus laccatus Shiny rush Perennial grass  
Juncus longistylis Long styled rush Perennial grass 1
Juncus mertensianus Merten's rush Perennial grass 1
Juncus mexicanus Mexican rush Perennial grass 10
Juncus nevadensis Sierra rush Perennial grass 1
Juncus nevadensis var. nevadensis Nevada or sierran rush Perennial grass  
Juncus occidentalis Slender juncus Perennial grass 4
Juncus orthophyllus Straight leaved rush Perennial grass 1
Juncus oxymeris Pointed rush Perennial grass 1
Juncus parryi Parry's rush Perennial grass  
Juncus patens Rush Perennial grass 48
Juncus tenuis Slender rush Perennial grass 9
Juncus trilocularis Perennial grass  
Juncus xiphioides Iris leaved rush Perennial grass 15
Kelloggia galioides Kelloggia Perennial herb  
Kochia californica Mojave red sage Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kumlienia hystricula Waterfall false buttercup Perennial herb  
Kyhosia bolanderi Bolander's madia Perennial herb  
Lathyrus brownii Brown's brush pea Perennial herb  
Lathyrus jepsonii Tule pea Perennial herb 1
Lathyrus jepsonii var. californicus California tule pea Perennial herb 1
Lathyrus littoralis Beach pea Perennial herb 1
Lathyrus nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis ssp. lanceolatus Sierra pea Perennial herb  
Lathyrus nevadensis ssp. nevadensis Sierra pea Perennial herb  
Lathyrus nevadensis var. nevadensis Sierra nevada pea Perennial herb  
Lathyrus sulphureus Sulpher pea Perennial herb  
Lathyrus sulphureus var. argillaceus Dubious pea Perennial herb  
Lathyrus sulphureus var. sulphureus Brewer's pea Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Leersia oryzoides Rice cutgrass Perennial grass 2
Lemna aequinoctialis Duckweed Perennial herb  
Lemna gibba Gibbous duckweed Perennial herb  
Lemna minor Smaller duckweed Perennial herb 3
Lemna minuscula Least duckweed Perennial herb  
Lemna minuta Least duckweed Perennial herb  
Lemna trisulca Star duckweed Perennial herb  
Lesquerella occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Lewisia cantelovii Cantelow's lewisia Perennial herb  
Lewisia kelloggii Kellogg's lewisia Perennial herb  
Lewisia kelloggii ssp. hutchisonii Sierra valley lewisia Perennial herb  
Lewisia nevadensis Sierra lewisia Perennial herb 2
Lewisia rediviva Bitter root Perennial herb 4
Lewisia rediviva var. minor Bitter root Perennial herb  
Lewisia rediviva var. rediviva Bitter root Perennial herb  
Lewisia triphylla Three leaved lewisia Perennial herb  
Leymus triticoides Alkali rye Perennial grass 30
Ligusticum californicum California lovage Perennial herb  
Ligusticum grayi Gray's lovage Perennial herb  
Lilium humboldtii Humboldt's lily Perennial herb 8
Lilium humboldtii ssp. humboldtii Humboldt's lily Perennial herb (bulb) 1
Lilium kelleyanum Kelley's lily Perennial herb  
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium pardalinum ssp. shastense Shasta lily Perennial herb 1
Lilium parvum Sierra tiger lily Perennial herb 4
Lilium washingtonianum Washington lily Perennial herb 6
Lilium washingtonianum ssp. washingtonianum Typical washington lily Perennial herb 1
Linnaea borealis Twinflower Perennial herb 8
Linnaea borealis ssp. americana Twinflower Perennial herb 2
Linnaea borealis var. longiflora Twin flower Perennial herb 2
Linum lewisii Lewis' flax Perennial herb 38
Linum lewisii var. alpicola Alpine lewis' flax Perennial herb 1
Linum lewisii var. lewisii Lewis' flax Perennial herb 5
Listera convallarioides Broad lipped twayblade Perennial herb  
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma bolanderi Hillstar Perennial herb  
Lithophragma campanulatum Siskiyou mountain woodland star Perennial herb  
Lithophragma glabrum Bulbed woodland star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithophragma parviflorum var. parviflorum Pink woodland star Perennial herb  
Lithophragma parviflorum var. trifoliatum Prairie woodland star Perennial herb  
Lithophragma tenellum Woodland star Perennial herb  
Lithospermum californicum California gromwell Perennial herb  
Lomatium californicum Celery weed Perennial herb 4
Lomatium caruifolium Caraway leaved lomatium Perennial herb  
Lomatium caruifolium var. denticulatum Caraway leaved lomatium Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 4
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dasycarpum ssp. tomentosum Woolly fruited lomatium Perennial herb  
Lomatium dissectum Fern leaved lomatium Perennial herb 3
Lomatium dissectum var. multifidum Fern leaved lomatium Perennial herb 1
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium marginatum Hartweg's lomatium Perennial herb  
Lomatium marginatum var. marginatum Hartweg's lomatium Perennial herb  
Lomatium marginatum var. purpureum Jepson's lomatium Perennial herb  
Lomatium multifidum Fern leaved lomatium Perennial herb 1
Lomatium nevadense Nevada lomatium Perennial herb  
Lomatium nevadense var. parishii Parish's lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lomatium vaginatum Sheathed lomatium Perennial herb  
Lotus argophyllus Silver birds foot trefoil Perennial herb 1
Lotus argophyllus var. fremontii Fremont's silver lotus Perennial herb  
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus grandiflorus Large leaved lotus Perennial herb 3
Lotus grandiflorus var. grandiflorus Chaparral lotus Perennial herb 1
Lotus grandiflorus var. macranthus Mountain chaparral lotus Perennial herb  
Lotus incanus Woolly lotus Perennial herb  
Lotus nevadensis Sierra lotus Perennial herb  
Lotus nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Lotus oblongifolius Narrow leaved lotus Perennial herb  
Lotus oblongifolius var. oblongifolius Narrow leaved lotus Perennial herb 1
Lotus pinnatus Pinnate lotus Perennial herb  
Lotus scoparius Deerweed Perennial herb 22
Lotus scoparius var. scoparius Deerweed Perennial herb  
Lotus stipularis Stipulate lotus Perennial herb  
Lotus stipularis var. ottleyi Ottley's stipulate lotus Perennial herb  
Lotus stipularis var. stipularis Stipulate lotus Perennial herb  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Ludwigia peploides ssp. peploides Floating water primrose Perennial herb  
Lupinus adsurgens Drew's silky lupine Perennial herb  
Lupinus albicaulis White stemmed lupine Perennial herb 8
Lupinus albicaulis var. albicaulis Sicklekeel lupine Perennial herb  
Lupinus albicaulis var. shastensis Shasta lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus angustiflorus Narrow flowered lupine Perennial herb  
Lupinus apertus Naked lupine Perennial herb  
Lupinus arbustus Long spurred lupine Perennial herb  
Lupinus argenteus Silvery lupine Perennial herb 7
Lupinus argenteus var. argenteus Silvery lupine Perennial herb  
Lupinus formosus Western lupine Perennial herb 6
Lupinus formosus var. robustus Giant western lupine Perennial herb  
Lupinus grayi Gray's lupine Perennial herb 3
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. columbianus Broad leaved lupine Perennial herb  
Lupinus latifolius var. latifolius Broad leaf lupine Perennial herb  
Lupinus lepidus Tidy lupine Perennial herb 1
Lupinus lepidus var. confertus Clustered tidy lupine Perennial herb  
Lupinus lepidus var. sellulus Stool lupine Perennial herb  
Lupinus obtusilobus Satin lupine Perennial herb  
Lupinus polyphyllus Bog lupine Perennial herb 26
Lupinus polyphyllus var. burkei Large leaved lupine Perennial herb 5
Lupinus rivularis Riverbank lupine Perennial herb 8
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. comosa Hairy wood rush Perennial grass  
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Luzula divaricata Forked wood rush Perennial grass  
Luzula parviflora Small flowered wood rush Perennial grass 2
Luzula parviflora ssp. fastigiata Forked wood rush Perennial grass  
Luzula subsessilis Pacific woodrush Perennial grass 3
Lycopus americanus Bugleweed Perennial herb 2
Lycopus asper Rough bugleweed Perennial herb  
Lysimachia latifolia Pacific starflower Perennial herb 2
Lythrum californicum Common loosestrife Perennial herb  
Machaeranthera canescens Hoary aster Perennial herb 1
Machaeranthera canescens var. shastensis Shasta aster Perennial herb  
Madia bolanderi Bolander's tarweed Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum racemosum Feathery false lily of the valley Perennial herb 19
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley Perennial herb 3
Maianthemum stellatum Starry false lily of the valley Perennial herb 17
Malvella leprosa Alkali mallow Perennial herb 3
Marah fabacea California man-root Perennial herb, Vine 5
Marah fabaceus Manroot Perennial herb, Vine 5
Marah fabaceus var. agrestis Wild cucumber Perennial herb, Vine 3
Marah fabaceus var. fabaceus California manroot Perennial herb, Vine 3
Marah macrocarpa Chilicothe Perennial herb, Vine 5
Marah macrocarpus Southern wild cucumber Perennial herb, Vine 5
Marah watsonii Watson's wild cucumber Perennial herb, Vine  
Melica aristata Awned melic Perennial grass 1
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica californica var. californica California melicgrass Perennial grass 2
Melica californica var. nevadensis Few flowered california melic Perennial grass  
Melica fugax Small onion grass Perennial grass  
Melica geyeri Geyer's onion grass Perennial grass  
Melica harfordii Harford's melic Perennial grass 2
Melica imperfecta Coast range melic Perennial grass 20
Melica stricta Nodding melica Perennial grass  
Melica subulata Alaska melic Perennial grass 1
Melica torreyana Torrey's melica Perennial grass 13
Mentha arvensis American wild mint Perennial herb 6
Mentha canadensis Wild mint Perennial herb 6
Mentzelia laevicaulis Giant blazingstar Perennial herb 5
Menyanthes trifoliata Bogbean Perennial herb 2
Mertensia ciliata Ciliate lungwort Perennial herb  
Mertensia ciliata var. stomatechoides Streamside bluebells Perennial herb  
Micranthes aprica Sierra saxifrage Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Micranthes fragosa Perennial herb  
Micranthes integrifolia Smooth leaf saxifrage Perennial herb  
Micranthes nidifica Peak saxifrage Perennial herb  
Micranthes odontoloma Brook saxifrage Perennial herb 1
Micranthes oregana Bog saxifrage Perennial herb  
Microseris nutans Nodding microceris Perennial herb  
Microseris sylvatica Sylvan scorzonella Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 41
Mimulus lewisii Lewis' monkey flower Perennial herb 12
Mimulus moschatus Musk monkeyflower Perennial herb 1
Mimulus moschatus var. longiflorus Muskflower Perennial herb  
Mimulus moschatus var. sessilifolius Muskflower Perennial herb  
Mimulus primuloides Primrose monkeyflower Perennial herb 3
Mimulus primuloides ssp. primuloides Primrose monkeyflower Perennial herb  
Mimulus primuloides var. pilosellus Primrose monkeyflower Perennial herb  
Mimulus primuloides var. primuloides Primrose monkeyflower Perennial herb  
Mimulus tilingii Larger mountain monkeyflower Perennial herb 3
Minuartia cismontana Cismontane minuartia Perennial herb  
Mitella breweri Brewer's miterwort Perennial herb  
Mitella pentandra Alpine bishop's cap Perennial herb 1
Moehringia macrophylla Large leaved sandwort Perennial herb  
Monardella antonina San antonio hills monardella Perennial herb (rhizomatous) 5
Monardella antonina ssp. antonina San antonio hills monardella Perennial herb (rhizomatous) 4
Monardella antonina ssp. benitensis San Benito monardella Perennial herb (rhizomatous) 3
Monardella glauca Grey monardella Perennial herb 1
Monardella odoratissima Mountain monardella Perennial herb 21
Monardella odoratissima ssp. glauca Mountain mint Perennial herb 1
Monardella odoratissima ssp. odoratissima Mountain monardella Perennial herb  
Monardella odoratissima ssp. pallida Pale mountain monardella Perennial herb  
Monardella odoratissima ssp. parvifolia Matted mountain monardella Perennial herb  
Monardella sheltonii Shelton's coyote mint Perennial herb 1
Monardella siskiyouensis Siskiyou coyote mint Perennial herb 3
Monardella villosa Coyote mint Perennial herb 27
Monardella villosa ssp. franciscana San Francisco coyote mint Perennial herb 4
Monardella villosa ssp. globosa Robust monardella Perennial herb (rhizomatous) 3
Monardella villosa ssp. villosa Coyote mint Perennial herb 5
Monardella villosa var. subglabra Coyote mint Perennial herb 3
Montia chamissoi Spring beauty Perennial herb  
Montia parvifolia Showy rock montia Perennial herb 4
Muhlenbergia andina Foxtail muhly Perennial grass  
Muhlenbergia asperifolia Scratchgrass Perennial grass 1
Muhlenbergia mexicana Mexican muhly Perennial grass 1
Muhlenbergia richardsonis Richardson's muhly Perennial grass  
Muhlenbergia rigens Deergrass Perennial grass 63
Myosotis laxa Forget me not Perennial herb  
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Nama lobbii Lobb's nama Perennial herb 1
Narthecium californicum California bog asphodel Perennial herb  
Nassella cernua Nodding needlegrass Perennial grass 23
Nassella pulchra Purple needlegrass Perennial grass 42
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Nothocalais alpestris Alpine prairie dandelion Perennial herb  
Nuphar luteum ssp. polysepalum Indian pond lily Perennial herb (aquatic)  
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Odontostomum hartwegii Hartweg's odontostomum Perennial herb 4
Oenothera elata Evening primrose Perennial herb 16
Oenothera elata ssp. hirsutissima Evening primrose Perennial herb 3
Oenothera elata ssp. hookeri Evening primrose Perennial herb 18
Oenothera villosa ssp. strigosa Hairy evening primrose Perennial herb 20
Oreostemma alpigenum Tundra aster Perennial herb 3
Oreostemma alpigenum var. andersonii Tundra aster Perennial herb 1
Orobanche californica California orobanche Perennial herb (parasitic)  
Orobanche californica ssp. grayana Gray's california broom rape Perennial herb (parasitic)  
Orobanche californica ssp. jepsonii Jepson's california broom rape Perennial herb (parasitic)  
Orobanche fasciculata Clustered broomrape Perennial herb (parasitic)  
Orobanche pinorum Pinewoods broom rape Perennial herb (parasitic)  
Orobanche uniflora Naked broom rape Perennial herb (parasitic)  
Orobanche uniflora var. purpurea Naked broom rape Perennial herb (parasitic)  
Orthilia secunda One sided wintergreen Perennial herb  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza brachypoda California sweet cicely Perennial herb  
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Osmorhiza occidentalis Western sweet cicely Perennial herb 2
Oxalis oregana Redwood sorrel Perennial herb 34
Oxypolis occidentalis Western cow bane Perennial herb  
Packera eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. eurycephala Widehead groundsel Perennial herb  
Packera eurycephala var. lewisrosei Lewis' groundsel Perennial herb  
Packera streptanthifolia Rocky mountain groundsel Perennial herb  
Packera subnuda Buek's groundsel Perennial herb  
Packera subnuda var. subnuda Cleftleaf groundsel Perennial herb  
Paeonia brownii Peony Perennial herb 1
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass Perennial grass  
Panicum acuminatum var. thermale Geysers panicum Perennial grass  
Parnassia californica Grass of parnassus Perennial herb  
Parnassia palustris Marsh grass of parnassus Perennial herb  
Paspalum distichum Knot grass Perennial grass 2
Pectiantia breweri Brewer's miterwort Perennial herb  
Pectiantia pentandra Alpine mitrewort Perennial herb 1
Pedicularis attollens Attol lousewort Perennial herb  
Pedicularis densiflora Indian warrior Perennial herb 1
Pedicularis racemosa Leafy lousewort Perennial herb  
Pedicularis semibarbata Pine woods lousewort Perennial herb  
Penstemon azureus Blue penstemon Perennial herb 12
Penstemon azureus var. angustissimus Azure penstemon Perennial herb 4
Penstemon azureus var. azureus Azure penstemon Perennial herb 2
Penstemon deustus Rock penstemon Perennial herb 2
Penstemon deustus var. deustus Scabland penstemon Perennial herb  
Penstemon deustus var. suffrutescens Hot rock beardtongue Perennial herb  
Penstemon gracilentus Slender beardtongue Perennial herb 1
Penstemon heterodoxus Sierra penstemon Perennial herb  
Penstemon heterodoxus var. shastensis Shasta beardtongue Perennial herb  
Penstemon heterophyllus Foothill penstemon Perennial herb 40
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon heterophyllus var. purdyi Purdy's foothill penstemon Perennial herb 1
Penstemon laetus Mountain blue penstemon Perennial herb 1
Penstemon laetus var. laetus Mountain blue penstemon Perennial herb  
Penstemon laetus var. leptosepalus Mountain blue penstemon Perennial herb  
Penstemon neotericus Derived penstemon Perennial herb 1
Penstemon newberryi Mountain pride Perennial herb 15
Penstemon newberryi var. newberryi Newberry's penstemon Perennial herb 1
Penstemon parvulus Short stalk penstemon Perennial herb 1
Penstemon personatus Closed throated beardtongue Perennial herb  
Penstemon procerus Small flowered penstemon Perennial herb 7
Penstemon rydbergii Rydberg's penstemon Perennial herb 23
Penstemon rydbergii var. oreocharis Meadow beardtongue Perennial herb 1
Perideridia bacigalupii Bacigalupi's yampah Perennial herb  
Perideridia bolanderi Bolander's yampah Perennial herb 2
Perideridia bolanderi ssp. bolanderi Bolander's yampah Perennial herb  
Perideridia bolanderi ssp. involucrata Bolander's yampah Perennial herb  
Perideridia howellii Howell's yampah Perennial herb  
Perideridia kelloggii Yampah Perennial herb 4
Perideridia lemmonii Lemmon's yampah Perennial herb  
Perideridia oregana Oregon yampah Perennial herb 1
Perideridia parishii Parish's yampah Perennial herb  
Perideridia parishii ssp. latifolia Parish's yampah Perennial herb  
Persicaria amphibia Water smartweed Perennial herb (aquatic) 2
Persicaria hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Phacelia cinerea Ashy phacelia Perennial herb 3
Phacelia corymbosa Serpentine phacelia Perennial herb  
Phacelia egena Rock phacelia Perennial herb 3
Phacelia hastata White leafed phacelia Perennial herb  
Phacelia hastata ssp. hastata Mountain phacelia Perennial herb  
Phacelia hastata var. hastata Mountain phacelia Perennial herb  
Phacelia heterophylla Varileaf phacelia Perennial herb 1
Phacelia heterophylla ssp. virgata Varied leaf phacelia Perennial herb  
Phacelia heterophylla var. virgata Varied leaf phacelia Perennial herb  
Phacelia imbricata Imbricate phacelia Perennial herb 3
Phacelia mutabilis Changeable phacelia Perennial herb  
Phacelia procera Tall phacelia Perennial herb  
Phacelia ramosissima Branching phacelia Perennial herb 3
Phacelia ramosissima var. ramosissima Branching phacelia Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phleum alpinum Timothy grass Perennial grass 2
Phlox austromontana Southern mountain phlox Perennial herb  
Phlox caespitosa Tufted phlox Perennial herb  
Phlox diffusa Spreading phlox Perennial herb 3
Phlox speciosa Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
Phoradendron densum Dense mistletoe Perennial herb  
Phoradendron pauciflorum Fir mistletoe Perennial herb  
Phyla lanceolata Lance leaf lippia Perennial herb  
Phyla nodiflora Common lippia Perennial herb 13
Phyla nodiflora var. nodiflora Common lippia Perennial herb 12
Phyla nodiflora var. rosea Garden lippia Perennial herb 12
Physaria occidentalis Western bladderpod Perennial herb  
Physaria occidentalis ssp. occidentalis Western bladder pod Perennial herb  
Piperia colemanii Coleman's piperia Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia leptopetala Rein orchid Perennial herb  
Piperia michaelii Michael's rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Piptatherum micranthum Small flowered rice grass Perennial grass  
Platanthera dilatata Scentbottle Perennial herb  
Platanthera dilatata var. leucostachys Sierra bog orchid Perennial herb  
Platanthera leucostachys White flowered bog orchid Perennial herb  
Platanthera sparsiflora Bog orchid Perennial herb  
Pleuricospora fimbriolata Fringed pinesap Perennial herb (mycoparasitic)  
Poa ampla Western blue grass Perennial grass 14
Poa cusickii Cusick's bluegrass Perennial grass  
Poa cusickii ssp. epilis Skyline bluegrass Perennial grass  
Poa juncifolia Western blue grass Perennial grass 13
Poa nevadensis Sierra blue grass Perennial grass 13
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa pringlei Pringle's blue grass Perennial grass  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 17
Poa sierrae Sierra blue grass Perennial grass  
Poa tenerrima Delicate blue grass Perennial grass  
Poa wheeleri Hooker's bluegrass Perennial grass 1
Polemonium occidentale Great polemonium Perennial herb 3
Polemonium occidentale ssp. occidentale Western polemonium Perennial herb 2
Polemonium pulcherrimum Sky pilot Perennial herb 3
Polemonium pulcherrimum var. pulcherrimum Sky pilot Perennial herb  
Polygala californica Milkwort Perennial herb  
Polygala cornuta Sierra milkwort Perennial herb  
Polygala cornuta var. cornuta Sierra milkwort Perennial herb  
Polygonum amphibium Water smartweed Perennial herb 2
Polygonum amphibium var. emersum Water smartweed Perennial herb (aquatic) 1
Polygonum amphibium var. stipulaceum Water smartweed Perennial herb 1
Polygonum bistortoides Western knotweed Perennial herb  
Polygonum bolanderi Bolander's polygonum Perennial herb  
Polygonum davisiae Davis knotweed Perennial herb  
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum newberryi Newberry's smartweed Perennial herb  
Polygonum phytolaccifolium Pokeweed knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Polygonum shastense Shasta knotweed Perennial herb  
Potamogeton berchtoldii Narrow leaved pondweed Perennial herb (aquatic)  
Potamogeton diversifolius Rafinesque's pondweed Perennial herb (aquatic)  
Potamogeton filiformis Slender leaved pondweed Perennial herb (rhizomatous)  
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus var. foliosus Pondweed Perennial herb (aquatic)  
Potamogeton gramineus Grass leaf pondweed Perennial herb (aquatic)  
Potamogeton illinoensis Pondweed Perennial herb (aquatic)  
Potamogeton natans Floating leaved pondweed Perennial herb (aquatic)  
Potamogeton nodosus Pondweed Perennial herb (aquatic)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. pusillus Small pondweed Perennial herb (aquatic)  
Potamogeton pusillus var. tenuissimus Narrow leaved pondweed Perennial herb (aquatic)  
Potentilla biennis Biennial cinquefoil Perennial herb 1
Potentilla breweri Brewer's cinquefoil Perennial herb 1
Potentilla bruceae Bruce's cinquefoil Perennial herb 1
Potentilla drummondii Drummond's cinquefoil Perennial herb 2
Potentilla drummondii ssp. breweri Brewer's cinquefoil Perennial herb 1
Potentilla drummondii ssp. bruceae Bruce's cinquefoil Perennial herb 1
Potentilla flabellifolia Fan leaved cinquefoil Perennial herb  
Potentilla glandulosa Gland cinquefoil Perennial herb 12
Potentilla glandulosa ssp. ashlandica Mountain cinquefoil Perennial herb  
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. hansenii Hansen's cinquefoil Perennial herb  
Potentilla glandulosa ssp. nevadensis Nevada cinquefoil Perennial herb  
Potentilla glandulosa ssp. reflexa Sticky cinquefoil Perennial herb  
Potentilla gracilis Northwest cinquefoil Perennial herb 15
Potentilla gracilis var. fastigiata Slender cinquefoil Perennial herb  
Potentilla millefolia Cut leaf cinquefoil Perennial herb  
Primula clevelandii Padre's shooting star Perennial herb 7
Primula clevelandii var. patula Padre's shooting star Perennial herb  
Primula hendersonii Mosquito bill Perennial herb 11
Primula jeffreyi Sierra shooting star Perennial herb 3
Primula suffrutescens Sierran primrose Perennial herb  
Primula tetrandra Alpine shooting star Perennial herb 2
Prosartes hookeri Drops of gold Perennial herb 11
Prosartes hookeri var. hookeri Drops of gold Perennial herb 6
Prunella vulgaris Self heal Perennial herb 18
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 8
Pseudognaphalium beneolens Cudweed Perennial herb 1
Pseudognaphalium canescens Wright's cudweed Perennial herb 2
Pseudognaphalium canescens ssp. beneolens Wright's cudweed Perennial herb 1
Pseudognaphalium canescens ssp. canescens Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. microcephalum Wright's cudweed Perennial herb  
Pseudognaphalium canescens ssp. thermale Wright's cudweed Perennial herb  
Pseudognaphalium microcephalum Wright's cudweed Perennial herb 3
Pseudognaphalium stramineum Cottonbatting plant Perennial herb 3
Pseudognaphalium thermale Small headed cudweed Perennial herb  
Pseudostellaria jamesiana Tubered starwort Perennial herb  
Pseudostellaria sierrae Sierra starwort Perennial herb (rhizomatous)  
Pterospora andromedea Pine drops Perennial herb (parasitic)  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Pycnanthemum californicum California mint Perennial herb 4
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola asarifolia Bog wintergreen Perennial herb  
Pyrola asarifolia ssp. asarifolia Bog wintergreen Perennial herb  
Pyrola dentata Toothed wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Ranunculus alismifolius Common water plantain buttercup Perennial herb  
Ranunculus alismifolius var. alismellus Slender buttercup Perennial herb  
Ranunculus alismifolius var. alismifolius Water plantain buttercup Perennial herb  
Ranunculus alismifolius var. hartwegii Common water plantain buttercup Perennial herb  
Ranunculus aquatilis white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. aquatilis White water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. capillaceus Threadleaf crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. diffusus white water butter cup Perennial herb (aquatic)  
Ranunculus aquatilis var. hispidulus White water crowfoot Perennial herb (aquatic)  
Ranunculus aquatilis var. subrigidus Longbeak buttercup Perennial herb (aquatic)  
Ranunculus californicus Common buttercup Perennial herb 12
Ranunculus canus Hartweg's buttercup Perennial herb  
Ranunculus canus var. canus Hartweg's buttercup Perennial herb  
Ranunculus cymbalaria Alkali buttercup Perennial herb  
Ranunculus cymbalaria var. saximontanus Rocky mountain buttercup Perennial herb  
Ranunculus flammula Spearwort Perennial herb 1
Ranunculus flammula var. ovalis Greater creeping spearwort Perennial herb  
Ranunculus hydrocharoides Frog's bit buttercup Perennial herb (aquatic)  
Ranunculus hystriculus Waterfall false buttercup Perennial herb  
Ranunculus longirostris Longbeak buttercup Perennial herb (aquatic)  
Ranunculus occidentalis Western buttercup Perennial herb 6
Ranunculus occidentalis var. occidentalis Western buttercup Perennial herb  
Ranunculus occidentalis var. ultramontanus Western buttercup Perennial herb  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup Perennial herb  
Ranunculus populago Cusick's buttercup Perennial herb  
Rhynchospora californica California beaked rush Perennial grass (rhizomatous)  
Rhynchospora capitellata Capitate beaked rush Perennial grass  
Romneya coulteri Coulter's matilija poppy Perennial herb (rhizomatous) 44
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rudbeckia californica California cone flower Perennial herb 6
Rudbeckia californica var. californica California cone flower Perennial herb  
Rudbeckia occidentalis Western coneflower Perennial herb 10
Rudbeckia occidentalis var. occidentalis Western cone flower Perennial herb 10
Rumex californicus California dock Perennial herb  
Rumex lacustris Lake dock Perennial herb (aquatic)  
Rumex occidentalis Western dock Perennial herb 1
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. denticulatus Smooth valved willow dock Perennial herb  
Rumex salicifolius var. lacustris Lake dock Perennial herb (aquatic)  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. transitorius Willow dock Perennial herb  
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex transitorius Willow dock Perennial herb  
Rumex triangulivalvis Willow dock Perennial herb  
Rumex utahensis Toothed willow dock Perennial herb  
Rupertia hallii Hall's rupertia Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Sagina procumbens Arctic pearlwort Perennial herb  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria cuneata Tule potato Perennial herb 1
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria longiloba Long lobed arrowhead Perennial herb (aquatic)  
Sagittaria montevidensis Giant arrowhead Perennial herb (aquatic) 1
Sagittaria montevidensis ssp. calycina Montevideo arrowhead Perennial herb (aquatic)  
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Salvia sonomensis Sonoma sage Perennial herb 19
Samolus parviflorus Water pimpernel Perennial herb  
Sanicula bipinnata Poison sanicle Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula tracyi Tracy's sanicle Perennial herb  
Sanicula tuberosa Turkey pea Perennial herb  
Sarcodes sanguinea Snow plant Perennial herb (mycoparasitic)  
Satureja douglasii Yerba buena Perennial herb 34
Saxifraga aprica Sierra saxifrage Perennial herb  
Saxifraga californica Greene's saxifrage Perennial herb  
Saxifraga fallax California saxifrage Perennial herb  
Saxifraga integrifolia Smooth leaf saxifrage Perennial herb  
Saxifraga nidifica Peak saxifrage Perennial herb  
Saxifraga nidifica var. nidifica Peak saifrage Perennial herb  
Saxifraga odontoloma Brook saxifrage Perennial herb 1
Saxifraga oregana Bog saxifrage Perennial herb  
Schoenoplectiella mucronata Bog Bulrush Perennial grass  
Schoenoplectiella saximontana Rocky Mountain Bulrush Perennial grass  
Schoenoplectus acutus Hardstem bulrush Perennial grass 24
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus californicus California bulrush Perennial grass 15
Schoenoplectus fluviatilis River bulrush Perennial grass 1
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus subterminalis Swaying bulrush Perennial grass (rhizomatous)  
Schoenoplectus tabernaemontani Softstem bulrush Perennial grass 12
Scirpus acutus var. occidentalis Hard stemmed tule Perennial grass 1
Scirpus americanus American tule Perennial grass 17
Scirpus californicus California tule Perennial grass 15
Scirpus congdonii Congdon's bulrush Perennial grass  
Scirpus diffusus Diffuse rush Perennial grass  
Scirpus fluviatilis River bulrush Perennial grass 2
Scirpus maritimus Prairie bulrush Perennial grass 14
Scirpus microcarpus Small fruited bulrush Perennial grass 19
Scirpus pungens Three square Perennial grass 2
Scirpus robustus Big bulrush Perennial grass 10
Scirpus subterminalis Water bulrush Perennial grass (rhizomatous)  
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
Scrophularia californica California bee plant Perennial herb 30
Scrophularia californica ssp. floribunda Common california figwort Perennial herb 29
Scutellaria antirrhinoides Snapdragon skullcap Perennial herb 2
Scutellaria californica California skullcap Perennial herb 4
Scutellaria siphocampyloides Gray leaved skullcap Perennial herb 5
Scutellaria tuberosa Danny's scullcap Perennial herb 1
Sedum albomarginatum Feather river stonecrop Perennial herb  
Sedum spathulifolium Pacific stonecrop Perennial herb 29
Senecio aronicoides Butterweed Perennial herb  
Senecio cymbalarioides Cleft leaved groundsel Perennial herb  
Senecio eurycephalus Cut leaved butterweed Perennial herb  
Senecio eurycephalus var. eurycephalus Broadhead ragwort Perennial herb  
Senecio eurycephalus var. lewisrosei Cut leaved ragwort Perennial herb  
Senecio hydrophiloides Sweet marsh ragwort Perennial herb  
Senecio integerrimus Mountain butterweed Perennial herb  
Senecio integerrimus var. exaltatus Columbia mountain butterweed Perennial herb  
Senecio integerrimus var. major Lambstongue groundsel Perennial herb  
Senecio triangularis Groundsel Perennial herb  
Sericocarpus oregonensis Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis ssp. californicus Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis ssp. oregonensis Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis var. californicus Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis var. oregonensis Oregon whitetop aster Perennial herb  
Setaria gracilis Perennial foxtail Perennial grass  
Setaria parviflora Marsh bristlegrass Perennial grass  
Sibbaldia procumbens Sibbaldia Perennial herb  
Sidalcea asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea asprella ssp. asprella Harsh checkerbloom, sierra foothills checkerbloom Perennial herb  
Sidalcea celata Redding checkerbloom Perennial herb  
Sidalcea gigantea Giant checkerbloom Perennial herb  
Sidalcea glaucescens Glaucous checker mallow Perennial herb  
Sidalcea malviflora Wild hollyhock Perennial herb 20
Sidalcea malviflora ssp. asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea oregana Oregon checker mallow Perennial herb 4
Sidalcea oregana ssp. oregana Oregon checker mallow Perennial herb  
Sidalcea oregana ssp. spicata Oregon checker mallow Perennial herb 1
Sidalcea robusta Butte county checkerbloom Perennial herb (rhizomatous)  
Silene bernardina Palmer's campion Perennial herb  
Silene bridgesii Bridges' campion Perennial herb  
Silene douglasii Douglas' campion Perennial herb 1
Silene douglasii var. douglasii Douglas's catchfly Perennial herb  
Silene laciniata Cardinal catchfly Perennial herb 6
Silene laciniata ssp. californica California indian pink Perennial herb 2
Silene lemmonii Lemmon's catchfly Perennial herb  
Silene nuda Naked campion Perennial herb  
Silene occidentalis Western campion Perennial herb 1
Silene occidentalis ssp. longistipitata Western campion Perennial herb 1
Silene occidentalis ssp. occidentalis Western campion Perennial herb 1
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium elmeri Elmer's golden eyed grass Perennial herb 1
Sisyrinchium idahoense Idaho blue eyed grass Perennial herb 5
Sisyrinchium idahoense var. occidentale Idaho blue eyed grass Perennial herb  
Smilacina racemosa Western false solomon's seal Perennial herb 19
Smilacina stellata Star flowered false solomon's seal Perennial herb 17
Smilax californica Greenbriar Perennial herb, Vine  
Solanum xanti Nightshade Perennial herb, Shrub 13
Solidago californica Oreja de liebre Perennial herb 27
Solidago canadensis Canada goldenrod Perennial herb 16
Solidago canadensis ssp. elongata Canada goldenrod Perennial herb 4
Solidago canadensis var. salebrosa Rough canada goldenrod Perennial herb 1
Solidago elongata West coast canada goldenrod Perennial herb 4
Solidago sparsiflora Great basin goldenrod Perennial herb 4
Solidago velutina Threenerve goldenrod Perennial herb 8
Solidago velutina ssp. californica Oreja de liebre Perennial herb 27
Sparganium angustifolium Narrow leaved bur reed Perennial herb 2
Sparganium emersum Emersed bur-reed Perennial herb 2
Sparganium eurycarpum Broadfruit bur reed Perennial herb 5
Sparganium eurycarpum ssp. eurycarpum Bur reed Perennial herb 3
Sparganium eurycarpum var. eurycarpum Broadfruit bur reed Perennial herb  
Sphenosciadium capitellatum Grayswamp whiteheads Perennial herb 2
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
Spiranthes stellata Star Shaped Spiranthes Perennial herb  
Spirodela polyrhiza Giant duckmeat Perennial herb  
Spirodela polyrrhiza Giant duckmeat Perennial herb  
Sporobolus airoides Alkali sacaton Perennial grass 20
Sporobolus cryptandrus Sand dropseed Perennial grass 11
Stachys ajugoides Hedge nettle Perennial herb 6
Stachys ajugoides var. ajugoides Ajuga hedge nettle Perennial herb 6
Stachys ajugoides var. rigida Hedge nettle Perennial herb  
Stachys bergii Berg's hedgenettle Perennial herb  
Stachys mexicana Mexican hedgenettle Perennial herb  
Stachys pycnantha Short spike hedge nettle Perennial herb 2
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stachys rigida var. rigida Rough hedgenettle Perennial herb  
Stachys stricta Sonoma hedge nettle Perennial herb  
Stanleya pinnata Prince's plume Perennial herb, Shrub 7
Stellaria borealis Boreal starwort Perennial herb  
Stellaria borealis ssp. sitchana Boreal starwort Perennial herb  
Stellaria calycantha Northern bogwort Perennial herb  
Stellaria crispa Ruffled starwort Perennial herb  
Stellaria longifolia Long leaved starwort Perennial herb (rhizomatous)  
Stellaria longipes Longstalk starwort Perennial herb  
Stellaria longipes ssp. longipes Chickweed, starwort Perennial herb  
Stellaria longipes var. longipes Long stalked starwort Perennial herb  
Stellaria obtusa Obtuse starwort Perennial herb (rhizomatous)  
Stellaria umbellata Umbellate chickweed Perennial herb  
Stephanomeria lactucina Large flowered stephanomeria Perennial herb  
Stephanomeria tenuifolia Narrow leaved wire lettuce Perennial herb  
Stipa cernua Nodding needle grass Perennial grass 23
Stipa divaricata Small-flowered rice grass Perennial grass  
Stipa latiglumis Wide-glumed needle grass Perennial grass  
Stipa lemmonii Lemmon's needle grass Perennial grass 1
Stipa lemmonii var. lemmonii Lemmon's needle grass Perennial grass  
Stipa lettermanii Letterman's needle grass Perennial grass 1
Stipa nelsonii Mountain needle grass Perennial grass  
Stipa nelsonii var. dorei Mountain needle grass Perennial grass 4
Stipa occidentalis Western needlegrass Perennial grass 1
Stipa occidentalis var. californica California needle grass Perennial grass  
Stipa occidentalis var. occidentalis Western needle grass Perennial grass  
Stipa occidentalis var. pubescens Common western needle grass Perennial grass  
Stipa pulchra Purple needle grass Perennial grass 42
Stipa stillmanii Stillman's needle grass Perennial grass 1
Streptanthus longisiliquus Long-fruit jewel-flower Perennial herb  
Streptopus amplexifolius Claspleaf twistedstalk Perennial herb 1
Streptopus amplexifolius var. americanus Twisted stalk Perennial herb  
Stuckenia filiformis Fineleaf pondweed Perennial herb (rhizomatous)  
Stuckenia filiformis ssp. alpina Fineleaf pondweed Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Swertia albicaulis Whitestem gentian Perennial herb  
Swertia albicaulis var. albicaulis White stem green gentian Perennial herb  
Swertia albicaulis var. nitida Shining swertia Perennial herb  
Symphyotrichum ascendens Western aster Perennial herb 1
Symphyotrichum bracteolatum Eaton's aster Perennial herb 2
Symphyotrichum chilense Pacific aster Perennial herb 36
Symphyotrichum chilense var. chilense Pacific aster Perennial herb 14
Symphyotrichum chilense var. invenustum Pacific aster Perennial herb 12
Symphyotrichum eatonii Eaton's aster Perennial herb 2
Symphyotrichum foliaceum Alpine leafybract aster Perennial herb 2
Symphyotrichum foliaceum var. parryi Parry's aster Perennial herb 1
Symphyotrichum lanceolatum White panicle aster Perennial herb  
Symphyotrichum lanceolatum var. hesperium Western lance leaf aster Perennial herb  
Symphyotrichum spathulatum Western mountain aster Perennial herb 1
Symphyotrichum spathulatum var. intermedium Larger western mountain aster Perennial herb  
Symphyotrichum spathulatum var. spathulatum Western mountain aster Perennial herb  
Symphyotrichum spathulatum var. yosemitanum Western bog aster Perennial herb  
Symphyotrichum subulatum var. parviflorum Eastern annual saltmarsh aster Perennial herb  
Taraxia tanacetifolia Tansy leaf evening primrose Perennial herb  
Tauschia hartwegii Hartweg's umbrellawort Perennial herb 1
Tauschia kelloggii Kellogg's tauschia Perennial herb  
Tellima grandiflora Fringe cups Perennial herb 30
Thalictrum fendleri Fendler's meadow rue Perennial herb 10
Thalictrum fendleri var. fendleri Fendler's meadow rue Perennial herb  
Thalictrum fendleri var. polycarpum Torrey's meadow rue Perennial herb 13
Thalictrum occidentale Western meadow rue Perennial herb 6
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 13
Thalictrum sparsiflorum Few flowered meadow rue Perennial herb  
Tofieldia occidentalis ssp. occidentalis Western tofieldia Perennial herb  
Torreyochloa pallida Pale false mannagrass Perennial grass (rhizomatous)  
Torreyochloa pallida var. pauciflora Mannagrass Perennial grass (rhizomatous)  
Toxicoscordion exaltatum Giant death camas Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion paniculatum Foothill deathcamas Perennial herb 2
Toxicoscordion venenosum Meadow deathcamas Perennial herb  
Toxicoscordion venenosum var. venenosum Meadow deathcamas Perennial herb  
Trautvetteria caroliniensis Carolina bugbane Perennial herb 1
Trautvetteria caroliniensis var. occidentalis Western trautvetteria Perennial herb 1
Triantha occidentalis Western false asphodel Perennial herb  
Triantha occidentalis ssp. occidentalis Western false asphodel Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium breweri Brewer's clover Perennial herb  
Trifolium kingii King's clover Perennial herb  
Trifolium kingii var. productum King's clover Perennial herb  
Trifolium longipes Long stalked clover Perennial herb  
Trifolium longipes ssp. hansenii Hansen's clover Perennial herb  
Trifolium longipes var. longipes Long stalked clover Perennial herb  
Trifolium longipes var. nevadense Mountain clover Perennial herb  
Trifolium macrocephalum Big headed clover Perennial herb  
Trifolium monanthum Carpet clover Perennial herb  
Trifolium monanthum ssp. monanthum Carpet clover Perennial herb  
Trifolium monanthum ssp. parvum Small carpet clover Perennial herb  
Trifolium monanthum var. monanthum Mountain carpet clover Perennial herb  
Trifolium productum Productive clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 7
Trillium albidum Giant white wakerobin Perennial herb 3
Trillium angustipetalum Narrow petaled wakerobin Perennial herb 3
Trillium chloropetalum Giant wakerobin Perennial herb 7
Trillium ovatum Western wakerobin Perennial herb 10
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum Nodding oatgrass Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Trisetum projectum Perennial grass  
Trisetum spicatum Narrow oatgrass Perennial grass  
Trisetum wolfii Beardless oatgrass Perennial grass  
Triteleia bridgesii Bridges' brodiaea Perennial herb 3
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia ixioides Pretty face Perennial herb 7
Triteleia ixioides ssp. anilina Mountain pretty face Perennial herb 1
Triteleia ixioides ssp. scabra Foothill triteleia Perennial herb 1
Triteleia ixioides ssp. unifolia Prettyface Perennial herb  
Triteleia laxa Ithuriel's spear Perennial herb 12
Triteleia lilacina Lilac pretty face Perennial herb (bulb) 2
Triteleia montana Slender triplet lily Perennial herb  
Turritis glabra Tower rockcress Perennial herb  
Typha domingensis Cattail Perennial herb 5
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 10
Urtica dioica ssp. holosericea Stinging nettle Perennial herb 5
Utricularia gibba Gibbous bladderwort Perennial herb  
Utricularia macrorhiza Common bladderwort Perennial herb  
Valeriana californica California valerian Perennial herb  
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Verbena hastata Swamp verbena Perennial herb 8
Verbena lasiostachys Western vervain Perennial herb 17
Verbena lasiostachys var. lasiostachys Vervain Perennial herb 17
Verbena lasiostachys var. scabrida Robust vervain Perennial herb 17
Veronica americana American brooklime Perennial herb 6
Veronica scutellata Marsh speedwell Perennial herb  
Veronica serpyllifolia Thymeleaf speedwell Perennial herb  
Veronica serpyllifolia ssp. humifusa Sprawling speedwell Perennial herb  
Vicia americana American vetch Perennial herb, Vine 4
Vicia americana ssp. americana American vetch Perennial herb, Vine  
Vicia americana var. americana Vetch Perennial herb, Vine  
Viola adunca Western dog violet Perennial herb 18
Viola adunca ssp. adunca Western dog violet Perennial herb 1
Viola adunca var. adunca Western bog violet Perennial herb 1
Viola adunca var. kirkii Yosemite dog violet Perennial herb 1
Viola bakeri Baker's violet Perennial herb 1
Viola douglasii Douglas' violet Perennial herb 2
Viola glabella Stream violet Perennial herb 10
Viola lobata Moose horn violet Perennial herb  
Viola lobata ssp. integrifolia Delta leafed forest violet Perennial herb  
Viola lobata ssp. lobata Moose horn violet Perennial herb  
Viola macloskeyi Macloskey's violet Perennial herb 1
Viola pedunculata California golden violet Perennial herb  
Viola pinetorum Pine violet Perennial herb 2
Viola pinetorum ssp. pinetorum Pine violet Perennial herb  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. dimorpha Goosefoot violet Perennial herb  
Viola purpurea ssp. integrifolia Smooth leaved violet Perennial herb  
Viola purpurea ssp. mesophyta Goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola purpurea ssp. venosa Desert violet Perennial herb  
Viola sheltonii Shelton's violet Perennial herb  
Viola sororia Common blue violet Perennial herb 2
Whitneya dealbata Whitneya Perennial herb  
Wolffia borealis Northern water meal Perennial herb  
Wolffia brasiliensis South american water meal Perennial herb  
Wolffia globosa Water meal Perennial herb  
Wolffiella oblonga Mud midget Perennial herb  
Wyethia angustifolia Narrow leaved mule ears Perennial herb 9
Wyethia bolanderi Bolander's wyethia Perennial herb  
Wyethia mollis Woolly mule's ears Perennial herb 7
Xerophyllum tenax Beargrass Perennial herb 10
Zannichellia palustris Horned pondweed Perennial herb  
Zigadenus exaltatus Giant death camas Perennial herb  
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus paniculatus Sand corn Perennial herb 2
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern77 plants
Adiantum aleuticum Five finger fern Fern 9
Adiantum capillus-veneris Venus hair Fern 14
Adiantum jordanii Adiantum Fern 4
Aspidotis californica California lace fern Fern 1
Aspidotis carlotta-halliae Carlotta hall's lace fern Fern (rhizomatous)  
Aspidotis densa Lace fern Fern 1
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  
Athyrium filix-femina var. cyclosorum Western lady fern Fern 1
Azolla filiculoides Mosquito fern Fern  
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 minganense Mingan moonwort Fern (rhizomatous)  
Botrychium montanum Western goblin Fern (rhizomatous)  
Botrychium multifidum Common grapefern Fern  
Botrychium simplex Little grape fern Fern  
Botrychium simplex var. compositum Little grapefern Fern  
Cheilanthes cooperae Mrs. cooper's lipfern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
Cheilanthes intertexta Coastal lipfern Fern  
Cryptogramma acrostichoides American parsley fern Fern  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Dryopteris filix-mas Male fern Fern (rhizomatous) 5
Equisetum arvense Common horsetail Fern 7
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 7
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 2
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes bolanderi Bolander's quillwort Fern  
Isoetes howellii Quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Isoetes orcuttii Orcutt's quillwort Fern (aquatic)  
Marsilea oligospora Nelson's pepperwort Fern  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris cooperae Cooper's lip fern Fern  
Myriopteris gracillima Lace lip fern Fern 1
Myriopteris intertexta Coastal lip fern Fern  
Ophioglossum californicum California adder's tongue Fern (rhizomatous)  
Pellaea andromedifolia Coffee fern Fern 3
Pellaea brachyptera Sierra cliff brake Fern  
Pellaea breweri Brewer's cliff brake Fern  
Pellaea mucronata Bird's foot fern Fern 2
Pellaea mucronata var. californica Bird's foot fern Fern  
Pellaea mucronata var. mucronata Bird's foot fern Fern  
Pentagramma pallida Silver back fern Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. semipallida Pale gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Pilularia americana Pillwort Fern  
Polypodium californicum California polypody Fern 12
Polypodium calirhiza Licorice fern Fern 3
Polypodium glycyrrhiza Licorice fern Fern 8
Polystichum californicum California sword fern Fern  
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum kruckebergii Kruckeberg's sword fern Fern (rhizomatous)  
Polystichum lemmonii Lemmon's sword fern Fern 1
Polystichum lonchitis Holly fern Fern (rhizomatous)  
Polystichum munitum Western sword fern Fern 43
Polystichum scopulinum Mountain holly fern Fern  
Pteridium aquilinum Western brackenfern Fern 5
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella hansenii Hansen's spike moss Fern (mosslike)  
Selaginella wallacei Wallace's spike moss Fern (mosslike)  
Thelypteris nevadensis Sierra marsh fern Fern  
Woodsia scopulina Cliff fern Fern  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub326 plants
Acer circinatum Vine maple Tree, Shrub 33
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 15
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2
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 pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Amorpha californica False indigo Shrub 3
Amorpha californica var. californica California false indigo Shrub  
Amorpha fruticosa Western false indigo Shrub 9
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1
Arctostaphylos manzanita ssp. roofii Roof's manzanita Shrub  
Arctostaphylos manzanita ssp. wieslanderi Wieslander's 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 tomentosa Woolly leaf manzanita Shrub 7
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. mariposa Mariposa manzanita Tree, Shrub 1
Arctostaphylos viscida ssp. pulchella White leaf manzanita Tree, Shrub  
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Aristolochia californica California pipevine Vine, Shrub 23
Artemisia arbuscula Black sagebrush Shrub 6
Artemisia californica Coastal sage brush Shrub 44
Artemisia cana Silver sagebrush Shrub 5
Artemisia cana ssp. bolanderi Bolander's silver sagebrush Shrub  
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Atriplex canescens Hoary saltbush Shrub 22
Atriplex lentiformis Big saltbush Shrub 34
Atriplex lentiformis ssp. lentiformis Brewer's saltbrush Shrub 3
Baccharis pilularis Coyote brush Shrub 58
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49
Baccharis pilularis ssp. pilularis Coyote brush Shrub 5
Baccharis salicifolia Mule fat Shrub 26
Baccharis salicifolia ssp. salicifolia Mule fat Shrub 8
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Betula glandulosa Resin birch Shrub 6
Betula occidentalis Water birch Tree, Shrub 22
Calycanthus occidentalis Spicebush Shrub 40
Carpenteria californica Tree anemone Shrub 42
Ceanothus cordulatus Snow bush Shrub 7
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3
Ceanothus diversifolius Pinemat Shrub 1
Ceanothus integerrimus Deer brush Shrub 14
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 14
Ceanothus jepsonii Musk brush Shrub  
Ceanothus lemmonii Lemmon's ceanothus Shrub 3
Ceanothus leucodermis Chaparral whitethorn Shrub 8
Ceanothus oliganthus Hairy ceanothus Shrub 5
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus parryi Parry ceanothus Shrub  
Ceanothus parvifolius Little leaf ceanothus Shrub  
Ceanothus prostratus Mahala mats Shrub 11
Ceanothus prostratus var. laxus Large leaved carpet Shrub 11
Ceanothus prostratus var. occidentalis Mahala mats Shrub 11
Ceanothus prostratus var. prostratus Mahala mat Shrub  
Ceanothus tomentosus Woolly leaf ceanothus Shrub 7
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 11
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 11
Cephalanthus occidentalis Common buttonbush Shrub 14
Cephalanthus occidentalis var. californicus California buttonbush Shrub 14
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 46
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Chamaebatia foliolosa Sierran mountain misery Shrub  
Chilopsis linearis Desert willow Shrub 39
Chrysolepis sempervirens Sierra chinquapin Shrub 2
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Chrysothamnus viscidiflorus Green rabbitbrush Shrub 5
Chrysothamnus viscidiflorus ssp. puberulus Sticky leaved rabbitbrush Shrub  
Cornus glabrata Brown dogwood Tree, Shrub 11
Cornus nuttallii Mountain dogwood Shrub 25
Cornus sericea American dogwood Shrub 42
Cornus sericea ssp. occidentalis Western dogwood Shrub 9
Cornus sericea ssp. sericea Red osier dogwood Shrub 33
Corylus cornuta Beaked hazelnut Shrub 19
Corylus cornuta ssp. californica Beaked hazelnut Shrub 16
Corylus cornuta var. californica California hazelnut Shrub 9
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Dendromecon rigida Bush poppy Shrub 14
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Diplacus grandiflorus Sticky monkeyflower Shrub 9
Diplacus longiflorus southern bush monkeyflower Shrub 13
Ephedra trifurca Long leafed ephedra Tree, Shrub 1
Ericameria arborescens Golden fleece Shrub 3
Ericameria bloomeri Bloomer's goldenbrush Shrub  
Ericameria cuneata Rock goldenbush Shrub 2
Ericameria ericoides Mock heather Shrub 17
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub  
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub  
Ericameria parryi Parry's rabbitbrush Shrub  
Ericameria parryi var. latior Parry's rabbitbrush Shrub  
Eriodictyon californicum Yerba santa Shrub 11
Eriogonum fasciculatum California buckwheat Shrub 43
Eriogonum marifolium Marum leaved buckwheat Shrub  
Eriogonum marifolium var. marifolium Marum leaved buckwheat Shrub  
Eriogonum nudum Naked buckwheat Shrub 16
Eriogonum nudum var. deductum Naked buckwheat Shrub  
Eriogonum nudum var. nudum Nude buckwheat Shrub 1
Eriogonum nudum var. oblongifolium Oblong leaved buckwheat Shrub  
Euonymus occidentalis Western burning bush Tree, Shrub 7
Euonymus occidentalis var. occidentalis Western burning bush Tree, Shrub 1
Frangula californica California coffeeberry Shrub 51
Frangula californica ssp. californica California coffeeberry Shrub 43
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13
Frangula purshiana Cascara sagrada Tree, Shrub 19
Frangula purshiana ssp. purshiana Cascara sagrada Shrub 1
Frangula purshiana ssp. ultramafica Caribou coffeeberry Shrub 1
Frangula rubra Red buckthorn Shrub 3
Frangula rubra ssp. obtusissima Obtuse buckthorn Shrub  
Frangula rubra ssp. rubra Red buckthorn Shrub 3
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
Fremontodendron californicum California fremontia Shrub 30
Fremontodendron californicum ssp. decumbens Pine hill fremontia Shrub 4
Fremontodendron decumbens Pine hill flannelbush Shrub 4
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. tenue Graceful bedstraw Vine, Shrub  
Garrya congdonii Silk tassel 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 26
Hesperocyparis macnabiana Macnab cypress Tree, Shrub 7
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 42
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. glabrescens Rock spiraea Shrub 40
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 40
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40
Isocoma acradenia Alkali goldenbush Shrub  
Juniperus californica California juniper Shrub 4
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. glabrisepala Hairless gaping keckiella Shrub  
Keckiella corymbosa Red beardtongue Shrub 3
Keckiella lemmonii Lemmon's keckiella Shrub  
Ledum glandulosum Western labrador tea Shrub 1
Lepechinia calycina Pitcher sage Shrub 15
Leptodactylon pungens Prickly phlox Shrub  
Leucothoe davisiae Sierra laurel Shrub 2
Linanthus pungens Granite prickly phlox Shrub  
Lithocarpus densiflorus Tanbark oak Tree, Shrub 14
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Lithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Lonicera cauriana Sweet berry honeysuckle Shrub  
Lonicera ciliosa Orange honeysuckle Vine, Shrub 10
Lonicera conjugialis Purpleflower honeysuckle Shrub 3
Lonicera hispidula Pink honeysuckle Vine, Shrub 33
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 41
Lonicera involucrata var. involucrata Twinberry Shrub 3
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5
Lupinus albifrons var. collinus Silver bush lupine Shrub 8
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. grandiflorus Sticky monkeyflower Shrub 1
Mimulus bifidus Sticky monkeyflower Shrub 9
Mimulus longiflorus Sticky monkeyflower Shrub 12
Mimulus puniceus Red bush monkeyflower Shrub 51
Monardella follettii Follett's monardella Shrub 1
Notholithocarpus densiflorus Tanoak Tree, Shrub 12
Notholithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Notholithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Oemleria cerasiformis Oso berry Shrub 18
Paxistima myrsinites Oregon boxwood Shrub 5
Philadelphus lewisii Wild mock orange Shrub 47
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Phyllodoce breweri Brewer's mountain heather Shrub  
Physocarpus capitatus Ninebark Shrub 40
Pickeringia montana Chaparral pea Shrub 3
Pickeringia montana var. montana Chaparral pea Shrub  
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus ilicifolia Holly leaf cherry Tree, Shrub 35
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry Tree, Shrub 11
Prunus subcordata Sierra plum Tree, Shrub 4
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Ptelea crenulata Hop tree Tree, Shrub 4
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18
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 23
Quercus wislizeni var. frutescens Live oak Tree, Shrub 1
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 3
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus crocea Redberry Shrub 18
Rhamnus ilicifolia Evergreen buckthorn Shrub 16
Rhamnus purshiana Cascara sagrada Tree, Shrub 17
Rhamnus rubra Sierra coffeeberry Shrub 3
Rhamnus rubra ssp. rubra Sierra coffeeberry Shrub  
Rhamnus tomentella Hoary coffeeberry Shrub 10
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6
Rhododendron columbianum Western labrador tea Shrub 1
Rhododendron occidentale Western azalea Tree, Shrub 23
Rhododendron occidentale var. occidentale Western azalea Tree, Shrub  
Rhus aromatica Fragrant sumac Shrub 32
Rhus aromatica var. simplicifolia Single-leaved skunkbrush Shrub 7
Rhus ovata Sugar bush Shrub 31
Rhus trilobata Skunkbrush Shrub 32
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7
Ribes amarum Bitter gooseberry Shrub 4
Ribes aureum Golden currant Shrub 50
Ribes bracteosum Stink currant Shrub 6
Ribes californicum California gooseberry Shrub 8
Ribes cereum Wax currant Shrub 16
Ribes inerme White stemmed gooseberry Shrub 2
Ribes inerme var. inerme White stemmed gooseberry Shrub  
Ribes inerme var. klamathense Klamath gooseberry Shrub  
Ribes laxiflorum Trailing black currant Shrub 1
Ribes menziesii Gooseberry Shrub 6
Ribes nevadense Mountain pink currant Shrub 11
Ribes quercetorum Oak gooseberry Shrub 2
Ribes roezlii Sierra gooseberry Shrub 10
Ribes roezlii var. roezlii Sierra gooseberry Shrub 3
Ribes viscosissimum Sticky currant Shrub  
Ribes viscosissimum var. hallii Hall's sticky currant Shrub  
Rosa bridgesii Wood rose Shrub 1
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa pisocarpa Cluster rose Shrub 10
Rosa pisocarpa ssp. ahartii Ahart rose Shrub  
Rosa pisocarpa ssp. pisocarpa Cluster or pea rose Shrub  
Rosa spithamea Sonoma rose Shrub 1
Rosa woodsii Woods' rose Shrub 28
Rosa woodsii ssp. ultramontana Interior rose Shrub 4
Rosa woodsii var. gratissima Tehachapi rose Shrub 2
Rosa woodsii var. ultramontana Wild rose Shrub 4
Rosa yainacensis Cascade rose Shrub 1
Rubus glaucifolius Wax leaf raspberry Shrub  
Rubus lasiococcus Rough fruit berry Vine, Shrub  
Rubus leucodermis White bark raspberry Shrub 8
Rubus parviflorus Thimbleberry Vine, Shrub 38
Rubus parviflorus var. parviflorus Thimbleberry Vine, Shrub 1
Rubus ursinus California blackberry Vine, Shrub 38
Salix boothii Booth's willow Shrub  
Salix eastwoodiae Mountain willow Shrub 1
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. exigua Narrowleaf willow Tree, Shrub 2
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix geyeriana Geyer's willow Shrub 2
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix jepsonii Jepson's willow Shrub  
Salix lasiolepis Arroyo willow Tree, Shrub 22
Salix lemmonii Lemmon's willow Shrub 2
Salix ligulifolia Strapleaf willow Shrub  
Salix lucida Shining willow Tree, Shrub 19
Salix lutea Yellow willow Shrub 1
Salix melanopsis Dusky willow Tree, Shrub 4
Salix orestera Sierra willow Shrub  
Salix scouleriana Scouler willow Tree, Shrub 17
Salix sitchensis Coulter willow Tree, Shrub 14
Salvia dorrii Dorr's sage Shrub 10
Sambucus melanocarpa Black elderberry Shrub 3
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Sambucus racemosa Red elderberry Shrub 30
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
Solanum parishii Parish's purple nightshade Shrub 3
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
Spiraea densiflora Dense flowered spiraea Shrub 17
Spiraea densiflora ssp. splendens Mountain spirea Shrub 5
Spiraea douglasii Douglas spiraea Shrub 26
Spiraea splendens Rose meadowsweet Shrub 17
Styrax redivivus California snowdrop bush Shrub 10
Suaeda taxifolia Seablite Shrub 4
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 42
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Tetracoccus dioicus Parry's tetracoccus Shrub  
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium cespitosum Dwarf bilberry Shrub 2
Vaccinium membranaceum Thin leaf huckleberry Shrub 5
Vaccinium parvifolium Red huckleberry Shrub 11
Vaccinium shastense Shrub  
Vaccinium shastense ssp. nevadense Shrub  
Vaccinium uliginosum Blueberry Shrub 2
Vaccinium uliginosum ssp. occidentale Western blueberry Shrub 2
Vitis californica California wild grape Vine, Shrub 39
Whipplea modesta Modesty Vine, Shrub 7