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Criteria:   found in Del Norte County  •   is native  •  group by lifeform
2132  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual303 plants
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 micranthus Small flowered lotus Annual herb 2
Acmispon parviflorus Hill lotus Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agrostis microphylla Little leaf bentgrass Annual grass  
Amsinckia intermedia Common fiddleneck Annual herb 1
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb 1
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Aphanes occidentalis Ladie's mantle Annual, Perennial herb  
Aphyllon epigalium Annual herb  
Aphyllon purpureum Naked broom rape Annual herb  
Aristida oligantha Oldfield three awn Annual grass  
Bidens frondosa Sticktight Annual herb  
Blepharipappus scaber Blepharipappus Annual herb  
Bromus orcuttianus Orcutt's brome grass Annual grass 1
Bromus vulgaris Common brome Annual grass 1
Calandrinia ciliata Redmaids Annual herb 6
Calandrinia menziesii Calandrinia Annual herb 6
Callitriche trochlearis Water starwort Annual herb (aquatic)  
Calycadenia truncata Rosin weed Annual herb  
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3
Camissoniopsis cheiranthifolia ssp. cheiranthifolia Beach evening-primrose Annual, Perennial herb 1
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja ambigua Johnny nip Annual herb  
Castilleja ambigua ssp. ambigua Johnny nip Annual herb  
Castilleja ambigua var. ambigua Johnny-nip Annual herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja lacera Foothill owl's clover Annual herb  
Castilleja tenuis Hairy owl's clover Annual herb  
Centaurium davyi Davy's centaury Annual herb  
Chaenactis douglasii Chaenactis Annual, Perennial herb  
Chaenactis douglasii var. douglasii Dusty pincushions Annual, Perennial herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chenopodium rubrum var. rubrum Red goosefoot Annual herb  
Clarkia amoena Farewell to spring Annual herb 16
Clarkia amoena ssp. amoena Farewell to spring Annual herb 1
Clarkia amoena ssp. huntiana Farewell to spring Annual herb  
Clarkia bottae Punch bowl godetia Annual herb 7
Clarkia davyi Davy's clarkia Annual herb 1
Clarkia gracilis Graceful clarkia Annual herb 3
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia rhomboidea Tongue clarkia Annual herb 1
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. 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. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Claytonia saxosa Brandegee's spring beauty Annual herb  
Claytonia washingtoniana Suksdorf's spring beauty Annual herb  
Cochlearia groenlandica Greenland cochlearia Annual herb  
Cochlearia officinalis Spoonwort Annual herb  
Collinsia grandiflora Large flowered collinsia Annual herb 1
Collinsia greenei Greene's collinsia Annual herb  
Collinsia linearis Narrow leaf collinsia Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb  
Collinsia rattanii Rattan's collinsia Annual herb 1
Collinsia torreyi Torrey's collinsia Annual herb  
Collinsia torreyi var. latifolia Broad leaved collinsia Annual herb  
Collinsia torreyi var. torreyi Torrey's collinsia Annual herb  
Collomia grandiflora Large flowered collomia Annual herb 3
Collomia heterophylla Varied leaved collomia Annual herb  
Collomia tinctoria Yellow staining collomia Annual herb  
Collomia tracyi Tracy's collomia Annual herb  
Conyza canadensis Canada horseweed Annual herb  
Conyza canadensis var. canadensis Canadian horseweed Annual herb  
Cordylanthus tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. viscidus Viscid bird's beak Annual herb  
Crocidium multicaule Spring gold Annual herb  
Croton setiger Turkey-mullein Annual herb 4
Croton setigerus Dove weed Annual herb 1
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb  
Cryptantha leiocarpa Popcorn flower Annual herb  
Cryptantha milobakeri Milo baker's cryptantha Annual herb  
Cryptantha 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 campestris Field dodder Annual herb, Vine (parasitic)  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta pacifica Goldenthread Annual herb, Vine (parasitic)  
Cuscuta pacifica var. pacifica Dodder Annual herb, Vine (parasitic)  
Cuscuta salina var. major Dodder Annual herb, Vine (parasitic)  
Daucus pusillus Wild carrot Annual herb 1
Deschampsia danthonioides Annual hairgrass Annual grass  
Diplacus douglasii Purple mouse ears Annual herb 1
Diplacus nanus Dwarf monkey flower Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia elegans Elegant downingia Annual herb  
Downingia willamettensis Cascade downingia Annual herb  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium foliosum California willowherb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Eremocarpus setigerus Turkey mullein Annual herb 4
Erigeron canadensis Canada horseweed Annual herb  
Erigeron strigosus var. septentrionalis Prairie fleabane Annual, Perennial herb  
Erigeron strigosus var. strigosus Prairie fleabane Annual, Perennial herb  
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Erythranthe alsinoides Chickweed monkeyflower Annual herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe grandis Annual herb  
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Eschscholzia californica California poppy Annual, Perennial herb 50
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Festuca microstachys Small fescue Annual grass  
Festuca octoflora Sixweeks grass Annual grass 5
Galium aparine Cleavers Annual herb  
Galium bifolium Low mountain 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 humile Dwarf groundsmoke Annual herb  
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. pacifica Pacific blue field gilia Annual herb  
Gilia millefoliata Manyleaf gilia Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium purpureum Purple cudweed Annual, Perennial herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 3
Gratiola ebracteata Common hedge hyssop Annual herb  
Hemizonella minima Opposite leaved tarweed Annual herb  
Hesperevax sparsiflora Few flowered evax Annual herb  
Hesperevax sparsiflora var. brevifolia Short leaved evax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Isolepis cernua Low bulrush Annual grass 14
Juncus bufonius Common toad rush Annual grass 7
Lagophylla ramosissima Common hareleaf Annual herb  
Lasthenia californica Goldfields Annual herb 12
Lasthenia californica ssp. californica California goldfields Annual herb 2
Lasthenia gracilis Needle goldfields Annual herb  
Lasthenia macrantha Perennial goldfields Annual herb 3
Lasthenia macrantha ssp. macrantha Perennial goldfields Annual herb 3
Lasthenia maritima Maritime goldfields Annual herb  
Layia carnosa Beach layia Annual herb  
Layia chrysanthemoides Smooth tidy tips Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon harknessii Harkness' flaxflower Annual herb  
Leptosiphon latisectus Broad lobed leptosiphon Annual herb  
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus latisectus Napa linanthus Annual herb  
Linaria canadensis Toad flax Annual, Perennial herb  
Linaria canadensis var. texana Toad flax Annual, Perennial 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 unifoliolatus American bird's foot trefoil Annual herb 1
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lupinus bicolor Lupine Annual, Perennial herb 15
Lupinus nanus Valley sky lupine Annual herb 11
Madia anomala Tarweed Annual herb  
Madia elegans Common madia Annual herb 13
Madia exigua Small tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia minima Little tarweed Annual herb  
Matricaria discoidea Pineapple weed Annual herb 3
Micranthes bryophora Bud saxifrage Annual herb  
Micropus californicus Q tips Annual herb 1
Micropus californicus var. californicus Slender cottonweed Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Mimulus alsinoides Chickweed monkeyflower Annual herb  
Mimulus breweri Brewer's monkeyflower Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus microphyllus Small leaved monkeyflower Annual herb 34
Mimulus nanus Dwarf monkey flower Annual herb  
Mimulus nanus var. nanus Dwarf monkey flower Annual herb  
Mimulus parishii Parish mimulus Annual herb 34
Minuartia californica Sandwort Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Minuartia pusilla Annual sandwort Annual herb  
Montia diffusa Diffuse miner's lettuce Annual herb  
Montia fontana Water montia Annual herb  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Myosurus minimus Little mouse tail Annual herb  
Navarretia capillaris Miniature gilia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia divaricata ssp. divaricata Mountain navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia squarrosa Skunkweed Annual herb  
Navarretia subuligera Awl leaved navarretia Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 17
Nemophila menziesii var. atomaria Baby blue eyes Annual herb  
Nemophila parviflora Small flowered nemophila Annual herb  
Nemophila parviflora var. austiniae Rebecca austin's nemophila Annual herb  
Nemophila parviflora var. parviflora Small flowered nemophila Annual herb  
Nuttallanthus texanus Blue toadflax Annual, Perennial herb  
Orthocarpus imbricatus Imbricate owl's clover Annual herb  
Oxalis pilosa Hairy wood sorrel Annual herb  
Panicum capillare Old witch grass Annual grass 2
Pectocarya pusilla Little pectocarya Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia leonis Siskiyou phacelia Annual herb  
Phacelia malvifolia Stinging phacelia Annual herb 1
Phlox gracilis Annual phlox Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys chorisianus Popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys reticulatus var. reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plantago bigelovii Long leaf plantain Annual herb  
Plantago elongata Coastal 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 congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis congesta ssp. congesta Sea blush Annual herb  
Poa bolanderi Bolander's bluegrass Annual grass  
Polygonum douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum minimum Little mountain knotweed Annual herb  
Polygonum polygaloides Milkwort knotweed Annual herb  
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed Annual herb  
Polygonum spergulariiforme Spurry knotweed Annual herb  
Poteridium annuum Western burnet Annual, Perennial herb  
Ranunculus lobbii Lobb's aquatic buttercup Annual herb (aquatic)  
Ranunculus sceleratus Cursed crowfoot Annual herb (aquatic)  
Ranunculus sceleratus var. multifidus 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  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Saxifraga bryophora Bud saxifrage Annual herb  
Scirpus cernuus Low clubrush Annual grass 14
Sidalcea calycosa Checker mallow Annual herb 3
Sidalcea diploscypha Fringed checker mallow Annual herb  
Sidalcea hartwegii Hartweg's checkerbloom Annual herb  
Silene californica California indian pink Annual herb 2
Solanum americanum White nightshade Annual, Perennial herb 1
Spergularia marina Salt sand spurry Annual herb 1
Spergularia salina Salt sandspurry Annual herb 1
Stellaria nitens Shining chickweed Annual herb  
Streptanthus tortuosus Jewelweed Annual, Perennial herb  
Streptanthus tortuosus var. orbiculatus Mountain jewelflower Annual, Perennial herb  
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb  
Symphyotrichum subspicatum Douglas aster Annual herb 9
Thysanocarpus curvipes Common fringe pod Annual herb 2
Tonella tenella Small flowered tonella Annual herb  
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium barbigerum Bearded clover Annual herb  
Trifolium bifidum Notch leaf clover Annual herb 2
Trifolium cyathiferum Cup clover Annual herb  
Trifolium dichotomum Branched indian clover Annual herb  
Trifolium macraei Macrae's clover Annual herb  
Trifolium microcephalum Small head clover Annual herb 4
Trifolium microdon Valparaiso clover Annual herb  
Trifolium obtusiflorum Creek clover Annual herb 4
Trifolium oliganthum Few flowered clover Annual herb 1
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 8
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 eriantha ssp. rosea Pink 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  
Triphysaria versicolor ssp. versicolor Yellow owl's clover Annual herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vulpia microstachys Fescue Annual grass 6
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  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera davyi Davy's centaury Annual herb 1
  Lifeform: Perennial1439 plants
Abronia latifolia Yellow sand verbena Perennial herb 2
Abronia maritima Sticky sand verbena Perennial herb 5
Abronia umbellata Beach sand verbena Perennial herb 1
Abronia umbellata ssp. breviflora Pink sand verbena Perennial herb  
Abronia umbellata var. breviflora Pink sand-verbena Perennial herb  
Achillea millefolium Yarrow Perennial herb 70
Achlys californica California deer foot Perennial herb  
Achlys triphylla Vanilla leaf Perennial herb 8
Achlys triphylla ssp. triphylla Deer foot Perennial herb 8
Achnatherum lemmonii Lemmon's stipa Perennial grass 1
Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Perennial grass  
Achnatherum nelsonii ssp. dorei Mountain needlegrass Perennial grass 1
Achnatherum occidentale ssp. occidentale Western needlegrass Perennial grass  
Acmispon nevadensis Sierra lotus Perennial herb  
Acmispon nevadensis var. nevadensis Sierra nevada lotus Perennial herb  
Aconitum columbianum Monkshood Perennial herb 4
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 apargioides Coast dandelion Perennial herb  
Agoseris apargioides var. maritima Woolly goat chicory Perennial herb  
Agoseris aurantiaca Orange flowered agoseris Perennial herb 1
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
Agrostis exarata Bentgrass Perennial grass 5
Agrostis exarata var. monolepis Spike bentgrass Perennial grass 5
Agrostis hallii Hall's bent grass Perennial grass 2
Agrostis humilis Mountain bent grass Perennial grass  
Agrostis idahoensis Colonial bentgrass Perennial grass 3
Agrostis oregonensis Oregon bentgrass Perennial grass  
Agrostis pallens Diego bent grass Perennial grass 14
Agrostis scabra Rough bentgrass Perennial grass 4
Agrostis thurberiana Thurber's bentgrass Perennial grass  
Agrostis variabilis Mountain bentgrass Perennial grass  
Allium amplectens Narrow leaved onion Perennial herb (bulb) 3
Allium falcifolium Sickle leaf onion Perennial herb (bulb) 4
Allium siskiyouense Siskiyou onion Perennial herb (bulb)  
Allium unifolium One leaf onion Perennial herb (bulb) 15
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 chamissonis Silver beachweed Perennial herb 10
Anaphalis margaritacea Pearly everlasting Perennial herb 18
Anemone deltoidea Windflower Perennial herb 3
Anemone drummondii Drummond's anemone Perennial herb 2
Anemone drummondii var. drummondii Drummond's anemone Perennial herb 2
Anemone grayi Blue windflower Perennial herb  
Anemone lyallii Little mountain thimbleweed Perennial herb  
Anemone multifida Pacific anemone Perennial herb 7
Anemone multifida var. multifida Pacific anemone Perennial herb 1
Anemone oregana Western wood anenome Perennial herb  
Anemone oregana var. oregana Blue windflower Perennial herb  
Angelica arguta Lyall's angelica Perennial herb  
Angelica genuflexa Kneeling angelica Perennial herb 2
Angelica hendersonii Henderson's angelica Perennial herb 11
Angelica lucida Wild celery Perennial herb 1
Angelica tomentosa Woolly angelica Perennial herb 1
Anisocarpus madioides Woodland madia Perennial herb 1
Antennaria argentea Silvery everlasting Perennial herb  
Antennaria howellii Howell's pussytoes Perennial herb  
Antennaria howellii ssp. howellii Howell's pussytoes Perennial herb  
Antennaria microphylla Littleleaf pussytoes Perennial herb 5
Antennaria racemosa Racemose pussytoes Perennial herb  
Antennaria rosea Rosy everlasting Perennial herb 2
Antennaria rosea ssp. rosea Rosy pussytoes Perennial herb  
Antennaria sawyeri Sawyer's pussy-toes Perennial herb  
Antennaria suffrutescens Evergreen pussytoes Perennial herb  
Anthoxanthum nitens Vanilla grass Perennial grass (rhizomatous) 9
Anthoxanthum nitens ssp. nitens Vanilla grass Perennial grass (rhizomatous) 9
Anthoxanthum occidentale California sweet grass Perennial grass 6
Aphyllon californicum California orobanche 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
Aquilegia formosa Columbine Perennial herb 54
Arabis aculeolata Waldo rock cress Perennial herb 1
Arabis breweri Brewer's rock cress Perennial herb 1
Arabis breweri var. breweri Brewer's rock cress Perennial herb  
Arabis glabra Smooth rock cress Perennial herb  
Arabis hirsuta Hairy rock cress Perennial herb 1
Arabis hirsuta var. pycnocarpa Hairy fruit 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 koehleri Koehler's rockcress Perennial herb  
Arabis koehleri var. stipitata Koehler's stipitate rock cress Perennial herb  
Arabis macdonaldiana Mcdonald's rock cress Perennial herb  
Arabis mcdonaldiana Mcdonald's rock cress Perennial herb  
Arabis platysperma Broad seeded rock cress Perennial herb  
Arabis platysperma var. howellii Howell's rockcress Perennial herb  
Arabis pycnocarpa Creamflower rockcress Perennial herb 1
Arabis pycnocarpa var. pycnocarpa Hairy fruit rock cress Perennial herb  
Arabis serpentinicola Preston peak rock cress Perennial herb  
Arabis subpinnatifida Klamath rockcress Perennial herb  
Aralia californica California spikenard Perennial herb 18
Arceuthobium abietinum Fir 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 congesta Capitate sandwort Perennial herb 1
Arenaria congesta var. congesta Capitate sandwort Perennial herb  
Arenaria congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Armeria maritima Thrift seapink Perennial herb 35
Armeria maritima ssp. californica Sea thrift Perennial herb 8
Arnica amplexicaulis Streambank arnica Perennial herb 3
Arnica cernua Serpentine arnica Perennial herb (rhizomatous)  
Arnica cordifolia Heart leaved arnica Perennial herb 1
Arnica discoidea Rayless arnica Perennial herb  
Arnica diversifolia Lawless arnica Perennial herb  
Arnica lanceolata ssp. prima Clasping arnica Perennial herb 3
Arnica latifolia Mountain arnica Perennial herb  
Arnica nevadensis Sierra arnica Perennial herb 1
Arnica ovata Sticky leaf arnica Perennial herb  
Arnica spathulata Klamath arnica Perennial herb (rhizomatous)  
Arnica tomentella Recondite arnica Perennial herb 1
Artemisia douglasiana California mugwort Perennial herb 35
Artemisia pycnocephala Beach sagewort Perennial herb 27
Aruncus dioicus Bride's feathers Perennial herb 11
Aruncus dioicus var. acuminatus Bride's feathers Perennial herb 1
Aruncus dioicus var. pubescens Goats beard Perennial herb  
Asarum caudatum Creeping wild ginger Perennial herb 40
Asarum hartwegii Hartweg's wild ginger Perennial herb 4
Asarum marmoratum Marbled wild ginger Perennial herb (rhizomatous)  
Asclepias californica California milkweed Perennial herb 8
Asclepias cordifolia Purple milkweed Perennial herb 8
Asclepias speciosa Showy milkweed Perennial herb 39
Aster alpigenus var. andersonii Alpine aster Perennial herb 1
Aster brickellioides Rayless leafy aster Perennial herb  
Aster chilensis California aster Perennial herb 40
Aster eatonii Eaton's aster Perennial herb 2
Aster engelmannii Engelmann's aster Perennial herb 2
Aster ledophyllus Cascade 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
Asyneuma prenanthoides California harebell Perennial herb 2
Atriplex leucophylla Sea scale Perennial herb 7
Balsamorhiza deltoidea Deltoid balsam root Perennial herb 2
Barbarea orthoceras Winter cress Perennial herb 1
Bidens cernua Nodding beggartick Perennial herb  
Bidens cernua var. cernua Nodding bur marigold Perennial herb  
Bidens laevis Bur marigold Perennial herb 4
Bistorta bistortoides American bistort Perennial herb  
Boechera breweri Brewer's rock cress Perennial herb 1
Boechera breweri ssp. breweri Brewer's rockcress Perennial herb  
Boechera howellii Howell's rockcress Perennial herb  
Boechera koehleri Koehler's rockcress Perennial herb  
Boechera platysperma Pioneer rockcress Perennial herb  
Boechera retrofracta Reflexed rockcress Perennial herb  
Boechera subpinnatifida Klamath rockcress Perennial herb  
Bolboschoenus maritimus Alkali bulrush Perennial grass 16
Bolboschoenus maritimus ssp. paludosus Saltmarsh bulrush Perennial grass 16
Boschniakia hookeri Small groundcone Perennial herb (parasitic)  
Boschniakia strobilacea Ground cone Perennial herb (parasitic)  
Boykinia major Large boykinia Perennial herb 5
Boykinia occidentalis Western boykinia Perennial herb 6
Boykinia rotundifolia Round leaved boykinia Perennial herb 1
Brickellia greenei Greene's brickelbush Perennial herb  
Brodiaea elegans Harvest brodiaea Perennial herb 6
Brodiaea elegans ssp. elegans Harvest 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 carinatus var. maritimus Seaside brome Perennial grass 1
Bromus laevipes Narrow flowered brome Perennial grass 3
Bromus marginatus Mountain brome Perennial grass 6
Bromus maritimus Maritime brome Perennial grass 1
Bromus pseudolaevipes Southern chinook brome Perennial grass  
Bromus sitchensis var. carinatus California brome Perennial grass 20
Bromus sitchensis var. marginatus Mountain brome Perennial grass 6
Bromus sitchensis var. maritimus Maritime brome Perennial grass 1
Bromus suksdorfii Suksdorf's bromegrass Perennial grass 1
Cacaliopsis nardosmia Cut leaf cacaliopsis Perennial herb  
Calamagrostis canadensis Canada reedgrass Perennial grass 5
Calamagrostis canadensis var. langsdorffii Bluejoint Perennial grass (rhizomatous)  
Calamagrostis canadensis var. langsdorfii Canada reedgrass Perennial grass  
Calamagrostis crassiglumis Thurber's reed grass Perennial grass (rhizomatous) 1
Calamagrostis foliosa Leafy reed grass Perennial grass 20
Calamagrostis koelerioides Fire reedgrass Perennial grass  
Calamagrostis nutkaensis Reedgrass Perennial grass 22
Calamagrostis purpurascens Purple reedgrass Perennial grass  
Calamagrostis rubescens Pinegrass Perennial grass 1
Calamagrostis stricta Narrow hairgrass Perennial grass (rhizomatous) 2
Calamagrostis stricta ssp. inexpansa Thurber's reed grass Perennial grass (rhizomatous) 1
Calliscirpus criniger Cotton grass Perennial grass  
Calochortus coeruleus Blue star tulip Perennial herb 1
Calochortus elegans Elegant star tulip Perennial herb  
Calochortus tolmiei Hairy star tulip Perennial herb 5
Caltha leptosepala White marsh marigold Perennial herb 3
Calypso bulbosa Fairy slipper Perennial herb 1
Calypso bulbosa var. occidentalis Fairy slipper Perennial herb  
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 occidentalis Bush morning glory Perennial herb 2
Calystegia occidentalis ssp. occidentalis Modoc morning glory Perennial herb  
Calystegia soldanella Beach morning glory Perennial herb 3
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 cheiranthifolia Beach evening primrose Perennial herb 11
Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening primrose Perennial herb 2
Camissoniopsis cheiranthifolia Beach evening-primrose Perennial herb 12
Campanula prenanthoides Nodding harebell Perennial herb 2
Campanula scouleri Scouler's harebell Perennial herb  
Cardamine angulata Seaside 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 californica var. sinuata Milk maids Perennial herb  
Cardamine nuttallii Nuttall's toothwort Perennial herb  
Cardamine nuttallii var. covilleana Coville's toothwort Perennial herb  
Cardamine nuttallii var. gemmata Yellow tubered toothwort Perennial herb (rhizomatous)  
Cardamine nuttallii var. nuttallii Nuttall's toothwort Perennial herb  
Cardionema ramosissimum Sand mat Perennial herb 2
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. dives Sitka sedge Perennial grass 3
Carex arcta Bear sedge Perennial grass 1
Carex athrostachya Slender leaved sedge Perennial grass 2
Carex barbarae Valley sedge Perennial grass 23
Carex bolanderi Bolander's sedge Perennial grass  
Carex brainerdii Brainerd's sedge Perennial grass  
Carex brevicaulis Short stem sedge Perennial grass  
Carex buxbaumii Buxbaum's sedge Perennial grass  
Carex concinnoides Northwestern 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 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 echinata ssp. phyllomanica Star sedge Perennial grass  
Carex exsiccata Western inflated sedge Perennial grass 2
Carex feta Green sheathed sedge Perennial grass  
Carex fracta Fragile sheathed sedge Perennial grass 1
Carex garberi Garber's sedge Perennial grass  
Carex gigas Siskiyou sedge Perennial grass (rhizomatous)  
Carex globosa Round fruit sedge Perennial grass 5
Carex gracilior Slender sedge Perennial grass  
Carex gynodynama Olney's hairy sedge Perennial grass 1
Carex harfordii Monterey sedge Perennial grass 4
Carex hassei Hasse's sedge Perennial grass  
Carex hendersonii Henderson's sedge Perennial grass  
Carex hoodii Hood's 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. limnophila Lakeshore sedge Perennial grass  
Carex lenticularis var. lipocarpa Fat fruited sedge Perennial grass 1
Carex leporina Hare or oval sedge Perennial grass 1
Carex leptalea Flaccid sedge Perennial grass (rhizomatous)  
Carex leptopoda Slender-footed sedge Perennial grass 5
Carex livida Livid sedge Perennial grass (rhizomatous)  
Carex luzulina Wood rush sedge Perennial grass  
Carex luzulina var. ablata American cold loving sedge Perennial grass  
Carex lyngbyei Lyngbye's sedge Perennial grass 4
Carex mariposana Mariposa sedge Perennial grass  
Carex mendocinensis Mendocino sedge Perennial grass  
Carex mertensii Mertens' sedge Perennial grass 3
Carex microptera Small wing sedge Perennial grass 2
Carex multicaulis Forest sedge Perennial grass  
Carex multicostata Many ribbed sedge Perennial grass  
Carex nervina Sierra nerved sedge Perennial grass  
Carex nudata Torrent sedge Perennial grass 14
Carex obnupta Slough sedge Perennial grass 17
Carex ovalis Egg sedge Perennial grass 1
Carex pachystachya Thick headed sedge Perennial grass 2
Carex pansa Sand dune sedge Perennial grass 29
Carex praegracilis Field sedge Perennial grass 27
Carex praticola Meadow sedge Perennial grass  
Carex rossii Ross' sedge Perennial grass 1
Carex scabriuscula Siskiyou sedge Perennial grass (rhizomatous)  
Carex scopulorum Mountain sedge Perennial grass  
Carex serpenticola Serpentine sedge Perennial grass  
Carex serratodens Bifid sedge Perennial grass 2
Carex specifica Narrow fruit sedge Perennial grass  
Carex stipata Awlfruit sedge Perennial grass 5
Carex stipata var. stipata Awl fruited sedge Perennial grass  
Carex subbracteata Small bract sedge Perennial grass 3
Carex subfusca Brown sedge Perennial grass 8
Carex tumulicola Split awn sedge Perennial grass 26
Carex utriculata Beaked sedge Perennial grass 7
Carex vesicaria Blister sedge Perennial grass 3
Carex vesicaria var. major Western blister sedge Perennial grass 2
Carex viridula Little green sedge Perennial grass 1
Carex viridula ssp. viridula Little green sedge Perennial grass  
Carex viridula var. viridula Green sedge Perennial grass  
Cascadia nuttallii Nuttall's saxifrage Perennial herb  
Castilleja affinis Indian paintbrush Perennial herb 1
Castilleja affinis ssp. affinis Coast indian paintbrush Perennial herb 1
Castilleja affinis ssp. litoralis Seashore indian paintbrush Perennial herb  
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 brevilobata Short-lobed paintbrush Perennial herb  
Castilleja elata Siskiyou paintbrush Perennial herb  
Castilleja hispida Harsh indian paintbrush Perennial herb (hemiparasitic)  
Castilleja hispida ssp. brevilobata Short lobed indian paintbrush Perennial herb (hemiparasitic)  
Castilleja inflata Indian paintbrush Perennial herb  
Castilleja litoralis Oregon coast paintbrush Perennial herb  
Castilleja miniata Great red paintbrush Perennial herb 6
Castilleja miniata ssp. elata Siskiyou indian paintbrush Perennial herb (hemiparasitic)  
Castilleja miniata ssp. miniata Scarlet indian paintbrush Perennial herb  
Castilleja pruinosa Frosted paintbrush Perennial herb (hemiparasitic)  
Castilleja subinclusa ssp. franciscana Franciscan paintbrush Perennial herb  
Cephalanthera austiniae Phantom orchid Perennial herb  
Cerastium arvense Meadow chickweed Perennial herb 1
Chamerion angustifolium Fireweed Perennial herb 14
Chamerion angustifolium ssp. circumvagum Fireweed Perennial herb 2
Chimaphila menziesii Little prince's pine Perennial herb  
Chimaphila umbellata Blake's prince's pine Perennial herb  
Chlorogalum pomeridianum Amole Perennial herb 18
Chrysosplenium glechomifolium Pacific golden saxifrage Perennial herb  
Cicuta douglasii Western water hemlock Perennial herb 1
Circaea alpina Small enchanter's nightshade Perennial herb  
Circaea alpina ssp. pacifica Pacific enchanter's nightshade Perennial herb  
Cirsium brevistylum Indian thistle Perennial herb  
Cirsium occidentale Western thistle Perennial herb 10
Cirsium occidentale var. candidissimum Snowy thistle Perennial herb  
Cirsium remotifolium Few leaved thistle Perennial herb  
Cirsium remotifolium var. odontolepis Pacific fringed thistle Perennial herb  
Cirsium remotifolium var. rivulare Klamath thistle Perennial herb  
Claytonia cordifolia Heart leaf spring beauty Perennial herb  
Claytonia lanceolata Western spring beauty Perennial herb  
Claytonia sibirica Candy flower Perennial herb 7
Clematis ligusticifolia Creek clematis Perennial herb, Vine 32
Clinopodium douglasii Yerba buena Perennial herb 34
Clintonia andrewsiana Red clintonia Perennial herb 4
Clintonia uniflora Bride's bonnet Perennial herb 1
Comarum palustre Marsh cinquefoil Perennial herb 5
Conioselinum pacificum Hemlock parsley Perennial herb  
Coptis laciniata Oregon golden thread Perennial herb  
Corallorhiza maculata Summer coral root Perennial herb  
Corallorhiza maculata var. maculata Summer coralroot Perennial herb  
Corallorhiza mertensiana Merten's coral root Perennial herb  
Corallorhiza striata Striped coral root Perennial herb  
Corethrogyne filaginifolia Common sandaster Perennial herb 9
Cornus canadensis Bunch berry Perennial herb 9
Crepis acuminata Tall hawksbeard Perennial herb  
Crepis occidentalis Western hawk's beard Perennial herb  
Crepis occidentalis ssp. conjuncta Largeflower hawksbeard Perennial herb  
Crepis pleurocarpa Naked stemmed hawksbeard Perennial herb  
Cycladenia humilis Cycladenia Perennial herb 1
Cycladenia humilis var. humilis Cycladenia Perennial herb  
Cyperus eragrostis Tall cyperus Perennial grass 12
Cypripedium californicum California lady's slipper Perennial herb (rhizomatous)  
Cypripedium fasciculatum Clustered lady's slipper Perennial herb (rhizomatous)  
Cypripedium montanum Mountain lady's slipper Perennial herb (rhizomatous)  
Danthonia californica California oatgrass Perennial grass 21
Danthonia californica var. americana American oatgrass Perennial grass 21
Danthonia californica var. californica California oatgrass Perennial grass 21
Danthonia intermedia Timber oatgrass Perennial grass 2
Danthonia intermedia ssp. intermedia Intermediate oat grass Perennial grass  
Danthonia unispicata One spiked oatgrass Perennial grass  
Darlingtonia californica California pitcherplant Perennial herb (carnivorous) 2
Delphinium andersonii Anderson larkspur Perennial herb 4
Delphinium decorum Larkspur Perennial herb  
Delphinium decorum ssp. decorum Coastal larkspur Perennial herb  
Delphinium decorum ssp. tracyi Tracy's larkspur Perennial herb  
Delphinium depauperatum Few flowered larkspur Perennial herb  
Delphinium glaucum Sierra larkspur Perennial herb 3
Delphinium nudicaule Canyon larkspur Perennial herb 3
Delphinium nuttallianum Nuttall's larkspur Perennial herb 2
Delphinium trolliifolium Cow poison Perennial herb 3
Deschampsia cespitosa Tufted hair grass Perennial grass 49
Deschampsia cespitosa ssp. beringensis Tufted hair grass Perennial grass  
Deschampsia cespitosa ssp. cespitosa Tufted hairgrass Perennial grass 24
Deschampsia cespitosa ssp. holciformis Coastal tufted hair grass Perennial grass 8
Deschampsia elongata Hairgrass Perennial grass 17
Dicentra formosa Pacific bleedinghearts Perennial herb 25
Dicentra formosa ssp. oregana Oregon bleeding heart Perennial herb  
Dichelostemma Xvenustum Rose firecracker flower Perennial herb  
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 ida-maia Firecracker flower Perennial herb 7
Dichondra donelliana Dichondra Perennial herb, Vine 5
Dipterostemon capitatus Blue dicks Perennial herb 15
Dipterostemon capitatus ssp. capitatus Perennial herb 2
Disporum hookeri Fairy bells Perennial herb 12
Disporum smithii Fairy lantern Perennial herb 6
Distichlis spicata Salt grass Perennial grass 25
Dodecatheon hendersonii Shooting star Perennial herb 11
Dodecatheon jeffreyi Jeffrey's shooting star Perennial herb 3
Dodecatheon pulchellum Dark throated shooting star Perennial herb 6
Doellingeria engelmannii Perennial herb 2
Doellingeria glabrata Siskiyou aster Perennial herb  
Doellingeria ledophylla var. covillei Perennial herb  
Doellingeria tomentella Brickellbush aster Perennial herb  
Draba carnosula Mt. eddy draba Perennial herb  
Draba howellii Howell's draba Perennial herb  
Drosera rotundifolia Round leaved sundew Perennial herb 1
Drymocallis glandulosa Sticky cinquefoil Perennial herb 12
Drymocallis glandulosa var. glandulosa Sticky cinquefoil Perennial herb  
Drymocallis glandulosa var. reflexa Sticky cinquefoil Perennial herb  
Drymocallis lactea Perennial herb 1
Drymocallis lactea var. austiniae Austin's woodbeauty Perennial herb  
Drymocallis lactea var. lactea Sierran woodbeauty Perennial herb  
Drymocallis rhomboidea Common cinquefoil Perennial herb  
Dudleya farinosa Sea lettuce Perennial herb 17
Dulichium arundinaceum Three way sedge Perennial grass 1
Eleocharis acicularis Needle spikerush Perennial grass 2
Eleocharis acicularis var. acicularis Needle spike rush Perennial grass  
Eleocharis macrostachya Spike rush Perennial grass 18
Eleocharis palustris Common spikerush Perennial grass 8
Eleocharis parishii Parish's spike rush Perennial grass  
Elymus elymoides Squirrel tail grass Perennial grass 14
Elymus elymoides ssp. californicus California squirreltail Perennial grass  
Elymus elymoides ssp. elymoides Squirreltail 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 glaucus ssp. virescens Virginia wildrye Perennial grass  
Elymus mollis American dune grass Perennial grass 5
Elymus mollis ssp. mollis American dune grass, sea lyme grass Perennial grass 4
Elymus multisetus Big squirreltail grass Perennial grass 12
Elymus trachycaulus Slender wheatgrass Perennial grass 8
Elymus trachycaulus ssp. subsecundus Bearded wheatgrass Perennial grass 2
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass Perennial grass 7
Elymus triticoides Beardless wild rye Perennial grass 29
Epilobium 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. 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 ciliatum ssp. watsonii Willow herb Perennial herb  
Epilobium glaberrimum Smooth willowherb Perennial herb  
Epilobium glaberrimum ssp. fastigiatum 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 luteum Yellow willowherb Perennial herb  
Epilobium oreganum Oregon fireweed Perennial herb  
Epilobium oregonense Slimstem willowweed Perennial herb  
Epilobium rigidum Siskiyou mtns. willowherb Perennial herb  
Epilobium septentrionale Humboldt county fuchsia Perennial herb 9
Epipactis gigantea Stream orchid Perennial herb 17
Eremogone congesta Capitate sandwort Perennial herb  
Eremogone congesta var. congesta Capitate sandwort Perennial herb  
Eremogone congesta var. suffrutescens Suffrutescent sandwort Perennial herb  
Erigeron aliceae Alice eastwood's fleabane Perennial herb  
Erigeron bloomeri Scabland fleabane Perennial herb  
Erigeron bloomeri var. bloomeri Scabland fleabane Perennial herb  
Erigeron bloomeri var. nudatus Waldo daisy Perennial herb  
Erigeron breweri var. klamathensis Klamath fleabane Perennial herb  
Erigeron cervinus Siskiyou daisy Perennial herb (rhizomatous)  
Erigeron elegantulus Volcanic daisy Perennial herb  
Erigeron filifolius Threadleaf fleabane Perennial herb  
Erigeron foliosus Leafy daisy Perennial herb  
Erigeron foliosus var. confinis Leafy fleabane Perennial herb  
Erigeron foliosus var. foliosus Thread stemmed fleabane Perennial herb, Shrub  
Erigeron foliosus var. hartwegii Hartweg's fleabane Perennial herb  
Erigeron foliosus var. mendocinus Mendocino fleabane Perennial herb  
Erigeron glacialis Wandering fleabane Perennial herb 3
Erigeron glacialis var. glacialis Wandering fleabane Perennial herb  
Erigeron glaucus Seaside daisy Perennial herb 41
Erigeron inornatus Rayless fleabane Perennial herb  
Erigeron klamathensis Klamath fleabane Perennial herb  
Erigeron lassenianus Mt. lassen fleabane Perennial herb  
Erigeron lassenianus var. deficiens Mt. lassen fleabane Perennial herb  
Erigeron lassenianus var. lassenianus Mt. lassen daisy Perennial herb  
Erigeron peregrinus Wandering fleabane Perennial herb 3
Erigeron peregrinus var. callianthemus Wandering fleabane Perennial herb  
Erigeron petrophilus Cliff fleabane Perennial herb  
Erigeron petrophilus var. viscidulus Klamath daisy Perennial herb (rhizomatous)  
Erigeron philadelphicus Philadelphia fleabane Perennial herb  
Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Perennial herb  
Eriogonum compositum Arrowleaf buckwheat Perennial herb 3
Eriogonum compositum var. compositum Arrow leaf buckwheat Perennial herb  
Eriogonum elatum Tall buckwheat Perennial herb  
Eriogonum elatum var. elatum Tall buckwheat Perennial herb  
Eriogonum hirtellum Klamath mtn. buckwheat Perennial herb (rhizomatous)  
Eriogonum latifolium Coast buckwheat Perennial herb 21
Eriogonum lobbii Lobb's buckwheat Perennial herb  
Eriogonum nudum var. paralinum Del norte buckwheat Perennial herb  
Eriogonum oblongifolium Coast buckwheat Perennial herb 21
Eriogonum pendulum Waldo buckwheat Perennial herb  
Eriogonum ternatum Ternate buckwheat Perennial herb  
Eriogonum umbellatum Sulphur buckwheat Perennial herb 27
Eriogonum umbellatum var. argus Sulphur buckwheat Perennial herb  
Eriogonum umbellatum var. dumosum Many flowered sulfur flower Perennial herb 3
Eriogonum umbellatum var. furcosum Desert sulfur buckwheat Perennial herb  
Eriogonum umbellatum var. goodmanii Serpentine sulphur 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 ursinum Bear buckwheat Perennial herb 4
Eriophorum criniger Cotton grass Perennial grass  
Eriophorum crinigerum Fringed cottongrass 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. arachnoideum Wooly sunflower Perennial herb 4
Eriophyllum lanatum var. grandiflorum Large flowered woolly sunflower Perennial herb 1
Eriophyllum lanatum var. lanceolatum Lance leaved woolly sunflower Perennial herb  
Eriophyllum staechadifolium Lizard tail Perennial herb 17
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 concinnum Headland wallflower Perennial herb 10
Erysimum menziesii Menzies' wallflower Perennial herb 7
Erysimum menziesii ssp. concinnum Headland wallflower Perennial herb 10
Erysimum perenne Sanddune wallflower Perennial herb  
Erythranthe cardinalis Cardinal monkey flower Perennial herb 40
Erythranthe dentata Tooth leaved monkeyflower Perennial herb 1
Erythranthe moschata Musk monkeyflower Perennial herb 1
Erythranthe nasuta Perennial herb  
Erythronium californicum California fawn lily Perennial herb (bulb) 1
Erythronium citrinum Lemon colored fawn lily Perennial herb (bulb) 1
Erythronium citrinum var. citrinum Lemon colored fawn lily Perennial herb (bulb)  
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 hendersonii Henderson's fawn lily Perennial herb (bulb)  
Erythronium howellii Howell's fawn lily Perennial herb (bulb)  
Erythronium multiscapideum Sierra fawn lily Perennial herb (bulb) 4
Erythronium multiscapoideum Sierra fawn lily Perennial herb (bulb) 4
Erythronium oregonum Oregon fawn lily Perennial herb (bulb) 8
Erythronium revolutum Mahogany fawn lily Perennial herb (bulb) 5
Eucephalus engelmannii Engelmann's aster Perennial herb 1
Eucephalus glabratus Smooth aster Perennial herb  
Eucephalus ledophyllus Cascade aster Perennial herb  
Eucephalus ledophyllus var. covillei Cascade aster Perennial herb  
Eucephalus tomentellus Rayless aster Perennial herb  
Eucephalus vialis Wayside aster Perennial herb  
Eurybia radulina Roughleaf aster Perennial herb 3
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 chiloensis Beach strawberry Perennial herb 35
Fragaria crinita Beach strawberry Perennial herb 34
Fragaria vesca Wild strawberry Perennial herb 35
Fragaria virginiana Mountain strawberry Perennial herb 12
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 glauca Siskiyou missionbells Perennial herb 1
Fritillaria lanceolata var. tristulis Marin checker lily Perennial herb 4
Galium ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum ssp. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum ssp. siskiyouense Siskiyou bedstraw Perennial herb  
Galium ambiguum var. ambiguum Yolla bolly bedstraw Perennial herb  
Galium ambiguum var. siskiyouense Siskiyou bedstraw Perennial herb  
Galium bolanderi Bolander's bedstraw Perennial herb  
Galium boreale Northern bedstraw Perennial herb  
Galium boreale ssp. septentrionale Northern bedstraw Perennial herb  
Galium glabrescens Castle lake bedstraw Perennial herb  
Galium glabrescens ssp. glabrescens Castle lake bedstraw Perennial herb  
Galium 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 oreganum Oregon bedstraw Perennial herb (rhizomatous)  
Galium trifidum Three petaled bedstraw Perennial herb  
Galium trifidum ssp. columbianum Threepetal bedstraw Perennial herb  
Galium trifidum var. pacificum Bedstraw Perennial herb  
Gamochaeta ustulata Featherweed Perennial herb  
Gentiana affinis Pleated gentian Perennial herb 1
Gentiana affinis var. ovata Gentian Perennial herb 1
Gentiana affinis var. parvidentata Small toothed prairie gentian Perennial herb 1
Gentiana calycosa Rainier pleated gentian Perennial herb  
Gentiana sceptrum King's scepter gentian Perennial herb 2
Gentiana setigera Mendocino gentian Perennial herb 1
Geum macrophyllum Large leaved avens Perennial herb 8
Geum macrophyllum var. macrophyllum Largeleaf avens Perennial herb 1
Glehnia littoralis American silvertop Perennial herb 1
Glehnia littoralis ssp. leiocarpa American glehnia Perennial herb  
Glyceria elata Tall mannagrass Perennial grass 8
Glyceria striata Fowl mannagrass Perennial grass 8
Gnaphalium canescens ssp. thermale Small headed cudweed Perennial herb  
Goodyera oblongifolia Rattlesnake plantain Perennial herb 4
Grindelia camporum Gumweed Perennial herb 13
Grindelia hirsutula Gumweed Perennial herb 12
Grindelia hirsutula var. davyi Davy's gumweed Perennial herb 12
Grindelia nana Idaho gumweed Perennial herb  
Grindelia stricta Gumweed Perennial herb 28
Grindelia stricta var. platyphylla Gumplant Perennial herb 17
Hackelia micrantha Jessica's stickseed Perennial herb  
Hackelia setosa Bristly 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. discoidea Rayless whitney's goldenbush Perennial herb  
Helenium autumnale Common sneezeweed Perennial herb 8
Helenium bigelovii Bigelow's sneezeweed Perennial herb 8
Helenium bolanderi Bolander's sneezeweed Perennial herb  
Helenium puberulum Sneezeweed Perennial herb 9
Hemieva ranunculifolia Buttercup-leaf suksdorfia Perennial herb  
Hemitomes congestum Gnome plant Perennial herb (mycoparasitic)  
Heracleum lanatum Cow parsnip Perennial herb 20
Heracleum maximum Common cow parsnip Perennial herb 20
Heterotheca oregona Oregon golden aster Perennial herb  
Heterotheca oregona var. oregona Oregon goldenaster Perennial herb  
Heuchera chlorantha Green flowered alumroot Perennial herb (rhizomatous) 2
Heuchera merriamii Merriam's alumroot Perennial herb 1
Heuchera micrantha Alum root Perennial herb 33
Heuchera micrantha var. diversifolia Crevice alumroot Perennial herb 31
Heuchera micrantha var. erubescens Crevice alumroot Perennial herb 30
Heuchera pringlei Merriam's alumroot Perennial herb 1
Heuchera rubescens Pink alumroot Perennial herb 6
Hieracium albiflorum White flowered hawkweed Perennial herb 1
Hieracium bolanderi Bolander's hawkweed Perennial herb  
Hieracium greenei Greene's hawkweed Perennial herb  
Hieracium horridum Shaggy hawkweed Perennial herb  
Hieracium parryi Scouler's woollyweed Perennial herb  
Hieracium scouleri Hounds tongue hawkweed Perennial herb  
Hieracium scouleri var. nudicaule Naked stemmed scouler's hawkweed Perennial herb  
Hierochloe hirta Northern sweetgrass Perennial grass 1
Hierochloe occidentalis Western sweetgrass Perennial grass 6
Hierochloe odorata Vanilla grass Perennial grass (rhizomatous) 9
Hippuris vulgaris Mare's tail Perennial herb (aquatic) 1
Hordeum brachyantherum Meadow barley Perennial grass 25
Hordeum brachyantherum ssp. brachyantherum Meadow barley Perennial grass 4
Horkelia congesta Sierra horkelia Perennial herb  
Horkelia congesta ssp. nemorosa Josephine horkelia Perennial herb  
Horkelia congesta var. nemorosa Josephine horkelia Perennial herb  
Horkelia daucifolia Carrot leafed horkelia Perennial herb  
Horkelia howellii Howell's horkelia Perennial herb  
Horkelia sericata Howell's horkelia Perennial herb  
Horkelia tridentata Three toothed horkelia Perennial herb  
Horkelia tridentata ssp. flavescens Three toothed horkelia Perennial herb  
Horkelia tridentata var. flavescens Three toothed horkelia Perennial herb  
Hosackia crassifolia Broad leaved lotus Perennial herb 6
Hosackia crassifolia var. crassifolia Broad leaved lotus Perennial herb 2
Hosackia gracilis Harlequin lotus Perennial herb 9
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 rosea Rose flowered lotus Perennial herb 1
Hydrophyllum occidentale Western waterleaf Perennial herb 1
Hydrophyllum tenuipes Pacific waterleaf Perennial herb 3
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
Iliamna latibracteata California globe mallow Perennial herb  
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 bracteata Siskiyou iris Perennial herb (rhizomatous) 2
Iris chrysophylla Golden leaved iris Perennial herb 5
Iris douglasiana Douglas iris Perennial herb 52
Iris innominata Del norte county iris Perennial herb (rhizomatous) 7
Iris macrosiphon Ground iris Perennial herb 8
Iris missouriensis Western blue flag Perennial herb 25
Iris tenax Toughleaf iris Perennial herb (rhizomatous) 13
Iris tenax ssp. klamathensis Orleans iris Perennial herb (rhizomatous)  
Iris tenuissima Slender iris Perennial herb 1
Iris thompsonii Thompson's iris Perennial herb  
Juncus acuminatus Sharp fruited rush Perennial grass 3
Juncus articulatus Jointed rush Perennial grass 2
Juncus balticus Wire rush Perennial grass 19
Juncus balticus ssp. ater Baltic rush Perennial grass 2
Juncus bolanderi Bolander's rush Perennial grass 4
Juncus breweri Brewer's 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. obtusatus Coville'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. brunneus Common bog rush Perennial grass 3
Juncus effusus var. exiguus Common bog rush Perennial grass  
Juncus effusus var. gracilis Slender common rush Perennial grass  
Juncus effusus var. pacificus Pacific bog rush Perennial grass 6
Juncus ensifolius Sword leaved rush Perennial grass 7
Juncus exiguus Klamath or weak rush Perennial grass  
Juncus falcatus Falcate rush Perennial grass 1
Juncus falcatus ssp. sitchensis Alaskan sickleleaved rush Perennial grass  
Juncus hesperius Coast or bog rush Perennial grass 3
Juncus howellii Howell's rush Perennial grass  
Juncus laccatus Shiny rush Perennial grass  
Juncus lescurii Dune rush Perennial grass 2
Juncus lesueurii Dune rush Perennial grass 2
Juncus mertensianus Merten's rush Perennial grass 1
Juncus nevadensis Sierra rush Perennial grass 1
Juncus nevadensis var. inventus Dune rush Perennial grass  
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 phaeocephalus Brown headed rush Perennial grass 9
Juncus regelii Regel's rush Perennial grass (rhizomatous)  
Juncus supiniformis Hair leaved rush Perennial grass (rhizomatous) 1
Juncus tenuis Slender rush Perennial grass 9
Juncus torreyi Torrey's rush Perennial grass 5
Juncus xiphioides Iris leaved rush Perennial grass 15
Kelloggia galioides Kelloggia Perennial herb  
Koeleria macrantha June grass Perennial grass 29
Kopsiopsis hookeri Small groundcone Perennial herb  
Kopsiopsis strobilacea California ground-cone Perennial herb (parasitic)  
Kyhosia bolanderi Bolander's madia Perennial herb  
Lasthenia californica ssp. macrantha Perennial goldfields Perennial herb 3
Lathyrus brownii Brown's brush pea Perennial herb  
Lathyrus delnorticus Del norte pea Perennial herb  
Lathyrus japonicus Sea pea Perennial herb 2
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 palustris Marsh pea Perennial herb  
Lathyrus polyphyllus Oregon pea Perennial herb  
Lathyrus rigidus Rigid pea Perennial herb  
Lathyrus sulphureus Sulpher pea Perennial herb  
Lathyrus torreyi Redwood pea Perennial herb  
Lathyrus vestitus Common pacific pea Perennial herb 7
Lathyrus vestitus var. ochropetalus Bolander's pacific pea Perennial herb  
Lathyrus vestitus var. vestitus Hillside pea Perennial herb 2
Lemna minor Smaller duckweed Perennial herb 3
Lessingia filaginifolia var. californica Beach aster Perennial herb 9
Lessingia filaginifolia var. filaginifolia Common california aster Perennial herb 8
Lewisia cotyledon Cliff lewisia Perennial herb 21
Lewisia cotyledon var. cotyledon Cliff lewisia Perennial herb 3
Lewisia cotyledon var. heckneri Heckner's lewisia Perennial herb  
Lewisia leana Quill leaved lewisia Perennial herb 2
Lewisia leeana Quill leaf lewisia Perennial herb 2
Lewisia nevadensis Sierra lewisia Perennial herb 2
Lewisia oppositifolia Opposite leaved lewisia Perennial herb  
Lewisia triphylla Three leaved lewisia Perennial herb  
Leymus mollis American dunegrass Perennial grass 4
Leymus mollis ssp. mollis American dune grass Perennial grass  
Leymus triticoides Alkali rye Perennial grass 30
Ligusticum apiifolium Celery leaved lovage Perennial herb 2
Ligusticum californicum California lovage Perennial herb  
Ligusticum grayi Gray's lovage Perennial herb  
Lilaeopsis occidentalis Lilaeopsis Perennial herb  
Lilium bolanderi Bolander's lily Perennial herb (bulb) 2
Lilium columbianum Columbia lily Perennial herb 13
Lilium kelleyanum Kelley's lily Perennial herb  
Lilium kelloggii Kellogg's lily Perennial herb (bulb) 1
Lilium maritimum Coast lily Perennial herb (bulb) 1
Lilium occidentale Western lily Perennial herb (bulb)  
Lilium pardalinum California tiger lily Perennial herb 23
Lilium pardalinum ssp. pardalinum Leopard lily Perennial herb 3
Lilium pardalinum ssp. vollmeri Vollmer's lily Perennial herb (bulb) 2
Lilium pardalinum ssp. wigginsii Wiggins' lily Perennial herb (bulb) 2
Lilium rubescens Chaparral lily Perennial herb (bulb) 2
Lilium washingtonianum Washington lily Perennial herb 6
Lilium washingtonianum ssp. purpurascens Purple flowered washington lily Perennial herb (bulb)  
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. lewisii Lewis' flax Perennial herb 5
Listera banksiana Northwest twayblade Perennial herb  
Listera caurina Northwest twayblade Perennial herb  
Listera convallarioides Broad lipped twayblade Perennial herb  
Listera cordata Heart leaved twayblade Perennial herb  
Listera cordata var. nephrophylla Heartleaf twayblade Perennial herb  
Lithophragma affine Common woodland star Perennial herb 1
Lithophragma campanulatum Siskiyou mountain woodland star Perennial herb  
Lithophragma heterophyllum Woodland star Perennial herb 1
Lithophragma parviflorum Pink woodland star Perennial herb 1
Lithospermum californicum California gromwell Perennial herb  
Lomatium californicum Celery weed Perennial herb 4
Lomatium ciliolatum Yolla bolly lomatium Perennial herb  
Lomatium dasycarpum Lace parsnip Perennial herb 4
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium Perennial herb  
Lomatium dissectum Fern leaved lomatium Perennial herb 3
Lomatium fusiformis California indian potato Perennial herb  
Lomatium hallii Hall's lomatium Perennial herb  
Lomatium howellii Howell's lomatium Perennial herb  
Lomatium macrocarpum Large fruited lomatium Perennial herb 2
Lomatium martindalei Coast range lomatium Perennial herb  
Lomatium nudicaule Pestle lomatium Perennial herb 3
Lomatium tracyi Tracy's lomatium Perennial herb  
Lomatium triternatum Lewis's lomatium Perennial herb 1
Lomatium triternatum var. macrocarpum Large fruited lewis' lomatium Perennial herb  
Lomatium triternatum var. triternatum Lewis' lomatium Perennial herb  
Lomatium utriculatum Hog fennel Perennial herb 2
Lotus aboriginus Rose flowered lotus Perennial herb 1
Lotus crassifolius Broad leaved lotus Perennial herb 7
Lotus crassifolius var. crassifolius Broad leaved lotus Perennial herb 2
Lotus formosissimus Coast lotus Perennial herb 9
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  
Ludwigia palustris Marsh purslane Perennial herb (aquatic)  
Luina hypoleuca Little leaf luina Perennial herb  
Lupinus adsurgens Drew's silky lupine Perennial herb  
Lupinus adsurgens var. adsurgens Drew's silky lupine Perennial herb  
Lupinus albicaulis White stemmed lupine Perennial herb 8
Lupinus albicaulis var. shastensis Shasta lupine Perennial herb  
Lupinus andersonii Anderson's lupine Perennial herb  
Lupinus argenteus Silvery lupine Perennial herb 7
Lupinus breweri Brewer's lupine Perennial herb 2
Lupinus formosus Western lupine Perennial herb 6
Lupinus lapidicola Mt. Eddy lupine Perennial herb  
Lupinus latifolius Broad leaf lupine Perennial herb 9
Lupinus latifolius var. viridifolius Green leaf lupine Perennial herb  
Lupinus lepidus Tidy lupine Perennial herb 1
Lupinus lepidus var. sellulus Stool lupine Perennial herb  
Lupinus littoralis Seashore lupine Perennial herb 3
Lupinus obtusilobus Satin lupine Perennial herb  
Lupinus onustus Northern lupine Perennial herb 1
Lupinus polyphyllus Bog lupine Perennial herb 26
Lupinus polyphyllus var. polyphyllus Meadow lupine Perennial herb 1
Lupinus rivularis Riverbank lupine Perennial herb 8
Lupinus tracyi Tracy's lupine Perennial herb  
Luzula comosa Hairy wood rush Perennial grass 4
Luzula comosa var. laxa Hairy wood rush Perennial grass 3
Luzula multiflora Common woodrush Perennial grass 1
Luzula parviflora Small flowered wood rush Perennial grass 2
Luzula spicata Spiked wood rush Perennial grass  
Luzula subcongesta Donner wood rush Perennial grass  
Luzula subsessilis Pacific woodrush Perennial grass 3
Lycopus uniflorus Northern bugleweed Perennial herb  
Lysichiton americanus Yellow skunk cabbage Perennial herb 8
Lysimachia europaea Arctic starflower Perennial herb 1
Lysimachia latifolia Pacific starflower Perennial herb 2
Madia bolanderi Bolander's tarweed Perennial herb  
Madia madioides Forest madia Perennial herb 1
Maianthemum dilatatum Pacific may lily Perennial herb 11
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
Marah oregana Coast man-root Perennial herb, Vine 3
Marah oreganus Manroot Perennial herb, Vine 3
Melica bulbosa Oniongrass Perennial grass 1
Melica californica California melic Perennial grass 25
Melica geyeri Geyer's onion grass Perennial grass  
Melica geyeri var. aristulata Geyer's onion grass Perennial grass  
Melica geyeri var. geyeri Geyer's oniongrass Perennial grass  
Melica harfordii Harford's melic Perennial grass 2
Melica subulata Alaska melic Perennial grass 1
Mentha canadensis Wild mint Perennial herb 6
Menyanthes trifoliata Bogbean Perennial herb 2
Mertensia bella Oregon lungwort Perennial herb  
Micranthes californica Greene's saxifrage Perennial herb  
Micranthes ferruginea Rusty hair saxifrage Perennial herb  
Micranthes fragosa Perennial herb  
Micranthes howellii Howell's saxifrage Perennial herb  
Micranthes integrifolia Smooth leaf saxifrage Perennial herb  
Micranthes marshallii Marshall's saxifrage Perennial herb  
Micranthes nidifica Peak saxifrage Perennial herb  
Micranthes odontoloma Brook saxifrage Perennial herb 1
Microseris laciniata Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. leptosepala Cut leaved scorzonella Perennial herb  
Microseris laciniata ssp. siskiyouensis Siskiyou microseris Perennial herb  
Microseris nutans Nodding microceris Perennial herb  
Mimulus cardinalis Cardinal monkey flower Perennial herb 40
Mimulus dentatus Tooth leaved monkeyflower Perennial herb 1
Mimulus moschatus Musk monkeyflower Perennial herb 1
Minuartia howellii Howell's sandwort Perennial herb  
Minuartia nuttallii Nuttall sandwort Perennial herb  
Minuartia nuttallii ssp. gracilis Nuttall's sandwort Perennial herb  
Minuartia nuttallii ssp. gregaria Gregarious sandwort Perennial herb  
Minuartia nuttallii var. gracilis Nuttall sandwort Perennial herb  
Minuartia nuttallii var. gregaria Nuttall sandwort Perennial herb  
Mitella caulescens Stemmed miterwort Perennial herb  
Mitella diversifolia Angle leafed miterwort Perennial herb  
Mitella ovalis Coastal miterwort Perennial herb 2
Mitella pentandra Alpine bishop's cap Perennial herb 1
Mitella trifida Three parted miterwort Perennial herb  
Mitellastra caulescens Leafy-stemmed mitrewort Perennial herb  
Moehringia macrophylla Large leaved sandwort Perennial herb  
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. parvifolia Matted mountain monardella Perennial herb  
Monardella purpurea Siskiyou monardella Perennial herb 4
Monardella villosa Coyote mint Perennial herb 28
Moneses uniflora Woodnymph Perennial herb  
Monotropa hypopitys Pinesap Perennial herb (mycoparasitic)  
Monotropa uniflora Indian pipe Perennial herb (mycoparasitic)  
Montia parvifolia Showy rock montia Perennial herb 4
Muhlenbergia andina Foxtail muhly Perennial grass  
Muhlenbergia mexicana Mexican muhly Perennial grass 1
Myosotis laxa Forget me not Perennial herb  
Myriophyllum hippuroides Western milfoil Perennial herb (aquatic)  
Myriophyllum sibiricum Siberian water milfoil Perennial herb (aquatic)  
Myriophyllum verticillatum Verticillate milfoil Perennial herb (aquatic)  
Narthecium californicum California bog asphodel Perennial herb  
Nasturtium officinale Watercress Perennial herb (aquatic) 3
Noccaea fendleri Pennycress Perennial herb  
Noccaea fendleri ssp. californica Kneeland prairie pennycress Perennial herb  
Noccaea fendleri ssp. glauca Pennycress Perennial herb 1
Nothochelone nemorosa False turtlehead Perennial herb 1
Nuphar polysepala Rocky mountain pond-lily Perennial herb (aquatic) 3
Oenanthe sarmentosa Water parsley Perennial herb 8
Oenothera wolfii Wolf's evening primrose Perennial herb  
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. californica Broomrape 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)  
Orogenia fusiformis California indian potato Perennial herb  
Orthilia secunda One sided wintergreen Perennial herb  
Osmorhiza berteroi Sweet cicely Perennial herb 3
Osmorhiza chilensis Western sweet cicely Perennial herb 3
Osmorhiza occidentalis Western sweet cicely Perennial herb 2
Osmorhiza purpurea Purple sweet cicely Perennial herb  
Oxalis albicans Hairywood sorrell Perennial herb  
Oxalis albicans ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis californica Californica wood sorrel Perennial herb  
Oxalis corniculata ssp. pilosa Hairy wood sorrel Perennial herb  
Oxalis oregana Redwood sorrel Perennial herb 33
Oxalis suksdorfii Suksdorf woodsorrel Perennial herb  
Oxypolis occidentalis Western cow bane Perennial herb  
Ozomelis diversifolia Angle leafed miterwort Perennial herb  
Ozomelis trifida Three parted miterwort Perennial herb  
Packera bolanderi Bolander's ragwort Perennial herb  
Packera bolanderi var. bolanderi Bolander's ragwort Perennial herb  
Packera cana Woolly groundsel Perennial herb  
Packera hesperia Western ragwort Perennial herb  
Packera macounii Siskiyou mountain ragwort Perennial herb  
Panicum acuminatum Western witch grass Perennial grass  
Panicum acuminatum var. fasciculatum Pacific panic grass 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 ovalis Coastal miterwort Perennial herb 2
Pectiantia pentandra Alpine mitrewort Perennial herb 1
Pedicularis howellii Howell's lousewort Perennial herb  
Pedicularis racemosa Leafy lousewort Perennial herb  
Penstemon anguineus Siskiyou beardtongue Perennial herb 1
Penstemon azureus Blue penstemon Perennial herb 12
Penstemon azureus var. azureus Azure penstemon Perennial herb 2
Penstemon davidsonii Davidson's penstemon Perennial herb 8
Penstemon davidsonii var. davidsonii Davidson's beardtongue Perennial herb 2
Penstemon deustus Rock penstemon Perennial herb 2
Penstemon deustus var. pedicellatus Hot rock beardtongue Perennial herb  
Penstemon heterophyllus Foothill penstemon Perennial herb 41
Penstemon heterophyllus var. heterophyllus Foothill penstemon Perennial herb 1
Penstemon laetus Mountain blue penstemon Perennial herb 1
Penstemon laetus var. sagittatus Mountain blue penstemon Perennial herb  
Penstemon newberryi Mountain pride Perennial herb 16
Penstemon newberryi var. berryi Berry's mountain pride Perennial herb  
Penstemon parvulus Short stalk penstemon Perennial herb 1
Penstemon procerus Small flowered penstemon Perennial herb 7
Penstemon procerus var. brachyanthus Small flowered penstemon Perennial herb 1
Penstemon rattanii Rattan's beardtongue Perennial herb  
Penstemon rattanii var. rattanii Rattan's beardtongue Perennial herb  
Penstemon roezlii Regel's mountain penstemon Perennial herb 1
Penstemon rupicola Rock penstemon Perennial herb 4
Perideridia gairdneri Gairdner's yampah Perennial herb 2
Perideridia gairdneri ssp. borealis Northern gairdner's yampah Perennial herb  
Perideridia gairdneri ssp. gairdneri Gairdner'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 hydropiperoides Water pepper Perennial herb  
Persicaria punctata Dotted smartweed Perennial herb 4
Petasites frigidus Arctic sweet coltsfoot Perennial herb 3
Petasites frigidus var. palmatus Western coltsfoot Perennial herb 10
Phacelia argentea Sand dune phacelia Perennial herb  
Phacelia bolanderi Bolander's phacelia Perennial herb 13
Phacelia californica Rock phacelia Perennial herb 17
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. compacta Timberline 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 mutabilis Changeable phacelia Perennial herb  
Phacelia nemoralis Woods phacelia Perennial herb  
Phacelia nemoralis ssp. oregonensis Oregon woods phacelia Perennial herb  
Phacelia nemoralis var. oregonensis Oregon woods phacelia Perennial herb  
Phacelia procera Tall phacelia Perennial herb  
Phalaris arundinacea Reed canarygrass Perennial grass 8
Phalaris californica Canarygrass Perennial grass 2
Phleum alpinum Timothy grass Perennial grass 2
Phlox adsurgens Northern phlox Perennial herb 3
Phlox diffusa Spreading phlox Perennial herb 3
Phlox douglasii Douglas' phlox Perennial herb 1
Phlox douglasii ssp. rigida Stiff douglas' phlox Perennial herb 1
Phlox speciosa Showy phlox Perennial herb  
Phlox speciosa ssp. nitida Showy phlox Perennial herb  
Phlox speciosa ssp. occidentalis Western showy phlox Perennial herb  
Phragmites australis Common reed Perennial grass 1
Pinguicula macroceras California butterwort Perennial herb (carnivorous)  
Pinguicula macroceras var. macroceras California butterwort Perennial herb (carnivorous)  
Pinguicula vulgaris ssp. macroceras Horned butterwort Perennial herb (carnivorous)  
Piperia candida White flowered rein orchid Perennial herb  
Piperia elegans Rein orchid Perennial herb  
Piperia elongata Dense flowered rein orchid Perennial herb  
Piperia michaelii Michael's rein orchid Perennial herb  
Piperia transversa Mountain piperia Perennial herb  
Piperia unalascensis Alaska piperia Perennial herb  
Pityopus californica Pityopus Perennial herb (mycoparasitic)  
Pityopus californicus Perennial herb (mycoparasitic)  
Plantago eriopoda Hairy fruited plantain Perennial herb  
Plantago maritima Maritime plantain Perennial herb 4
Plantago subnuda Coastal plantain Perennial herb 6
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)  
Pleuropogon refractus Nodding semaphore grass Perennial grass (rhizomatous)  
Poa ampla Western blue grass Perennial grass 14
Poa confinis Beach blue grass Perennial grass  
Poa douglasii Sand dune blue grass Perennial grass  
Poa fendleriana Muttongrass Perennial grass 4
Poa juncifolia Western blue grass Perennial grass 13
Poa leptocoma Marsh bluegrass Perennial grass  
Poa macrantha Large flowered sand dune blue grass Perennial grass  
Poa nevadensis Sierra blue grass Perennial grass 13
Poa piperi Piper's blue grass Perennial grass (rhizomatous)  
Poa pratensis ssp. agassizensis Agassiz kentucky blue grass Perennial grass  
Poa rhizomata Timber blue grass Perennial grass (rhizomatous)  
Poa secunda Pine bluegrass Perennial grass 17
Poa secunda ssp. secunda Sandberg's bluegrass Perennial grass 17
Polemonium carneum Great polemonium Perennial herb 3
Polygala californica Milkwort Perennial herb  
Polygala cornuta Sierra milkwort Perennial herb  
Polygala cornuta var. cornuta Sierra milkwort Perennial herb  
Polygonum bistortoides Western knotweed Perennial herb  
Polygonum davisiae Davis knotweed Perennial herb  
Polygonum hydropiperoides Water pepper Perennial herb  
Polygonum newberryi Newberry's smartweed Perennial herb  
Polygonum paronychia Dune knotweed Perennial herb 4
Polygonum phytolaccifolium Pokeweed knotweed Perennial herb  
Polygonum punctatum Punctate smartweed Perennial herb 4
Potamogeton foliosus Leafy pondweed Perennial herb (aquatic)  
Potamogeton foliosus ssp. fibrillosus Fibrous pondweed Perennial herb  
Potamogeton foliosus var. fibrillosus Fibrous pondweed Perennial herb (rhizomatous)  
Potamogeton pectinatus Fennel pondweed Perennial herb (aquatic)  
Potamogeton robbinsii Robbins's pondweed Perennial herb (rhizomatous)  
Potentilla anserina Silver weed cinquefoil Perennial herb 15
Potentilla anserina ssp. anserina Silver weed cinquefoil Perennial herb 2
Potentilla anserina ssp. pacifica Silverweed Perennial herb 4
Potentilla breweri Brewer's cinquefoil Perennial herb 1
Potentilla drummondii Drummond's cinquefoil Perennial herb 2
Potentilla drummondii ssp. breweri Brewer's cinquefoil Perennial herb 1
Potentilla glandulosa Gland cinquefoil Perennial herb 13
Potentilla glandulosa ssp. ashlandica Mountain cinquefoil Perennial herb  
Potentilla glandulosa ssp. glandulosa Sticky cinquefoil Perennial herb  
Potentilla glandulosa ssp. globosa Common 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 gracilis var. gracilis Slender cinquefoil Perennial herb  
Potentilla palustris Marsh cinquefoil Perennial herb 5
Primula hendersonii Mosquito bill Perennial herb 11
Primula jeffreyi Sierra shooting star Perennial herb 3
Primula pauciflora Beautiful shootingstar Perennial herb 6
Primula tetrandra Alpine shooting star Perennial herb 2
Prosartes hookeri Drops of gold Perennial herb 12
Prosartes hookeri var. hookeri Drops of gold Perennial herb 7
Prosartes hookeri var. parvifolia Drops of gold Perennial herb  
Prosartes hookeri var. trachyandra Drops of gold Perennial herb 7
Prosartes parvifolia Siskiyou bells Perennial herb  
Prosartes smithii Largeflower fairybells Perennial herb 6
Prunella vulgaris Self heal Perennial herb 19
Prunella vulgaris var. lanceolata Mountain selfheal Perennial herb 9
Pseudognaphalium canescens ssp. microcephalum 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  
Pseudotrillium rivale Siskiyou wakerobin Perennial herb 1
Pterospora andromedea Pine drops Perennial herb (parasitic)  
Puccinellia californica Sierra nevada alkali grass Perennial grass (rhizomatous)  
Pyrola aphylla Leafless wintergreen Perennial herb  
Pyrola asarifolia Bog wintergreen Perennial herb  
Pyrola asarifolia ssp. bracteata Bog wintergreen Perennial herb  
Pyrola crypta Cryptic wintergreen Perennial herb  
Pyrola dentata Toothed wintergreen Perennial herb  
Pyrola picta White veined shinleaf Perennial herb  
Pyrrocoma racemosa Racemose pyrrocoma Perennial herb  
Pyrrocoma racemosa var. congesta Del norte pyrrocoma Perennial herb  
Pyrrocoma racemosa var. racemosa Racemose pyrrocoma Perennial herb  
Ranunculus californicus Common buttercup Perennial herb 12
Ranunculus californicus var. californicus Common buttercup Perennial herb 2
Ranunculus californicus var. cuneatus Common buttercup Perennial herb 10
Ranunculus flammula Spearwort Perennial herb 1
Ranunculus flammula var. ovalis Greater creeping spearwort Perennial herb  
Ranunculus gormanii Gorman's buttercup Perennial herb  
Ranunculus occidentalis Western buttercup Perennial herb 6
Ranunculus occidentalis var. howellii Western buttercup Perennial herb  
Ranunculus occidentalis var. occidentalis Western buttercup Perennial herb  
Ranunculus orthorhynchus Bloomer's buttercup Perennial herb  
Ranunculus orthorhynchus var. orthorhynchus Straight beaked buttercup Perennial herb  
Rhynchospora alba White beaked rush Perennial grass (rhizomatous)  
Romanzoffia californica California romanzoffia Perennial herb 4
Romanzoffia sitchensis Sitka romanzoffia Perennial herb 1
Romanzoffia tracyi Tracy's romanzoffia Perennial herb  
Rorippa nasturtium-aquaticum Water cress Perennial herb (aquatic) 3
Rudbeckia californica California cone flower Perennial herb 6
Rudbeckia californica var. glauca Serpentine cone flower Perennial herb  
Rudbeckia californica var. intermedia California cone flower Perennial herb  
Rudbeckia glaucescens Waxy coneflower Perennial herb  
Rudbeckia klamathensis Klamath coneflower Perennial herb  
Rudbeckia occidentalis Western coneflower Perennial herb 10
Rumex crassus Willow leaved dock Perennial herb  
Rumex occidentalis Western dock Perennial herb 1
Rumex paucifolius Few leaved dock Perennial herb  
Rumex salicifolius Willow leaved dock Perennial herb 6
Rumex salicifolius var. crassus Willow leaved dock Perennial herb  
Rumex salicifolius var. salicifolius Willow dock Perennial herb 6
Rumex salicifolius var. triangulivalvis Willow dock Perennial herb  
Rumex triangulivalvis Willow dock Perennial herb  
Rupertia physodes Common rupertia Perennial herb 1
Ruppia cirrhosa Ditch grass Perennial herb (aquatic)  
Sabulina howellii Howell's sandwort Perennial herb  
Sagina maxima Stickystem pearlwort Perennial herb  
Sagina maxima ssp. crassicaulis Beach pearlwort Perennial herb  
Sagina procumbens Arctic pearlwort Perennial herb  
Sagina saginoides Alpine pearlwort Perennial herb  
Sagittaria latifolia Broad leaf arrowhead Perennial herb (aquatic) 11
Sagittaria sanfordii Sanford's arrowhead Perennial herb (rhizomatous)  
Sanguisorba officinalis Great burnet Perennial herb (rhizomatous) 2
Sanguisorba officinalis ssp. microcephala Great burnet Perennial herb (rhizomatous) 2
Sanicula arctopoides Yellow mats Perennial herb  
Sanicula bipinnatifida Purple sanicle Perennial herb  
Sanicula crassicaulis Pacific sanicle Perennial herb 2
Sanicula graveolens Sierra sanicle Perennial herb  
Sanicula laciniata Coast sanicle Perennial herb  
Sanicula maritima Adobe sanicle Perennial herb  
Sanicula peckiana Peck's 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 californica Greene's saxifrage Perennial herb  
Saxifraga ferruginea Rusty hair saxifrage Perennial herb  
Saxifraga howellii Howell's saxifrage Perennial herb (rhizomatous)  
Saxifraga integrifolia Smooth leaf saxifrage Perennial herb  
Saxifraga marshallii Marshall's saxifrage Perennial herb  
Saxifraga mertensiana Wood saxifrage Perennial herb  
Saxifraga nidifica Peak saxifrage Perennial herb  
Saxifraga nuttallii Nuttall's saxifrage Perennial herb (rhizomatous)  
Saxifraga odontoloma Brook saxifrage Perennial herb 1
Saxifragopsis fragarioides Strawberry saxifrage Perennial herb  
Schoenoplectus acutus Hardstem bulrush Perennial grass 25
Schoenoplectus acutus var. occidentalis Tule Perennial grass 1
Schoenoplectus americanus Chairmaker's bulrush Perennial grass 17
Schoenoplectus pungens Common threesquare Perennial grass 2
Schoenoplectus pungens var. badius Common threesquare Perennial grass  
Schoenoplectus pungens var. longispicatus 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 congdonii Congdon's bulrush Perennial grass  
Scirpus maritimus Prairie bulrush Perennial grass 15
Scirpus microcarpus Small fruited bulrush Perennial grass 20
Scirpus pungens Three square Perennial grass 2
Scirpus subterminalis Water bulrush Perennial grass (rhizomatous)  
Scirpus tabernaemontani Mountain bulrush Perennial grass 4
Scrophularia californica California bee plant Perennial herb 30
Scutellaria antirrhinoides Snapdragon skullcap Perennial herb 2
Sedum citrinum Blue creek stonecrop Perennial herb  
Sedum divergens Cascade stonecrop Perennial herb 13
Sedum eastwoodiae Red Mtn. stonecrop Perennial herb 1
Sedum laxum Rose flowered stonecrop Perennial herb 4
Sedum laxum ssp. eastwoodiae Red mountain stonecrop Perennial herb 1
Sedum laxum ssp. flavidum Pale yellow stonecrop Perennial herb  
Sedum laxum ssp. heckneri Heckner's stonecrop Perennial herb 2
Sedum laxum ssp. laxum Rose flowered stonecrop Perennial herb 2
Sedum obtusatum Sierra stonecrop Perennial herb 7
Sedum obtusatum ssp. boreale Small flowered sierra stonecrop Perennial herb 1
Sedum obtusatum ssp. obtusatum Sierra stonecrop Perennial herb  
Sedum obtusatum ssp. retusum Klamath stonecrop Perennial herb  
Sedum oregonense Cream stonecrop Perennial herb 4
Sedum spathulifolium Pacific stonecrop Perennial herb 29
Senecio bolanderi var. bolanderi Bolander's ragwort Perennial herb  
Senecio canus Woolly 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 macounii Siskiyou mtns. ragwort Perennial herb  
Senecio triangularis Groundsel Perennial herb  
Sericocarpus oregonensis Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis ssp. oregonensis Oregon whitetop aster Perennial herb  
Sericocarpus oregonensis var. oregonensis Oregon whitetop aster Perennial herb  
Sidalcea asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea asprella ssp. asprella Harsh checkerbloom, sierra foothills checkerbloom Perennial herb  
Sidalcea asprella ssp. nana Dwarf sierran checkerbloom Perennial herb  
Sidalcea calycosa ssp. rhizomata Pt. reyes sidalcea Perennial herb (rhizomatous) 4
Sidalcea celata Redding checkerbloom Perennial herb  
Sidalcea elegans Del norte checkerbloom Perennial herb  
Sidalcea glaucescens Glaucous checker mallow Perennial herb  
Sidalcea malachroides Maple leaved checkerbloom Perennial herb  
Sidalcea malviflora Wild hollyhock Perennial herb 21
Sidalcea malviflora ssp. asprella Harsh checker mallow Perennial herb (rhizomatous)  
Sidalcea malviflora ssp. malviflora Checker mallow Perennial herb (rhizomatous) 1
Sidalcea malviflora ssp. patula Siskiyou checkerbloom Perennial herb (rhizomatous) 1
Sidalcea oregana Oregon checker mallow Perennial herb 4
Sidalcea oregana ssp. eximia Coast checkerbloom Perennial herb  
Sidalcea oregana ssp. spicata Oregon checker mallow Perennial herb 1
Silene bernardina Palmer's campion Perennial herb  
Silene campanulata Campanulate campion Perennial herb  
Silene campanulata ssp. campanulata Red mtn. catchfly Perennial herb  
Silene campanulata ssp. glandulosa Campanulate catchfly Perennial herb  
Silene grayi Gray's campion Perennial herb  
Silene hookeri Hooker's campion Perennial herb 1
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 scouleri Simple campion Perennial herb 1
Silene scouleri ssp. grandis Scouler's campion Perennial herb  
Silene scouleri ssp. scouleri Simple campion Perennial herb  
Silene serpentinicola Serpentine catchfly Perennial herb (rhizomatous) 2
Sisyrinchium bellum Blue eyed grass Perennial herb 62
Sisyrinchium californicum California golden eyed grass Perennial herb 42
Sisyrinchium idahoense Idaho blue eyed grass Perennial herb 5
Sisyrinchium idahoense var. idahoense Idaho blue eyed grass Perennial herb 1
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  
Smilax jamesii English peak greenbriar Perennial herb (rhizomatous)  
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 emersum Emersed bur-reed Perennial herb 2
Sparganium erectum Simplestem bur reed Perennial herb  
Sparganium erectum ssp. stoloniferum Bur reed Perennial herb 2
Sparganium eurycarpum var. greenei Bur reed Perennial herb 2
Spergularia macrotheca Sticky sand spurry Perennial herb 1
Spergularia macrotheca var. macrotheca Sticky sand spurry Perennial herb  
Spiranthes porrifolia Western ladies tresses Perennial herb  
Spiranthes romanzoffiana Ladies' tresses Perennial herb  
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 bullata Southern hedge nettle Perennial herb 16
Stachys mexicana Mexican hedgenettle Perennial herb  
Stachys rigida Rough hedgenettle Perennial herb 3
Stachys rigida var. quercetorum Rough hedgenettle Perennial herb  
Stachys rigida var. rigida Rough hedgenettle Perennial herb  
Stellaria borealis Boreal starwort Perennial herb  
Stellaria borealis ssp. sitchana Boreal starwort Perennial herb  
Stellaria crispa Ruffled starwort Perennial herb  
Stenanthium occidentale Western stenanthium Perennial herb  
Stipa lemmonii Lemmon's needle grass Perennial grass 1
Stipa lemmonii var. lemmonii Lemmon's needle grass Perennial grass  
Stipa occidentalis Western needlegrass Perennial grass 1
Streptanthus howellii Howell's jewel flower Perennial herb  
Streptopus amplexifolius Claspleaf twistedstalk Perennial herb 1
Streptopus amplexifolius var. americanus Twisted stalk Perennial herb  
Stuckenia pectinata Sago pondweed Perennial herb (aquatic)  
Suksdorfia ranunculifolia Buttercup suksdorfia Perennial herb  
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 eatonii Eaton's aster Perennial herb 2
Symphyotrichum laeve Smooth blue aster Perennial herb  
Symphyotrichum laeve var. geyeri Geyer's aster Perennial herb  
Symphyotrichum spathulatum Western mountain aster Perennial herb 1
Symphyotrichum spathulatum var. spathulatum Western mountain aster Perennial herb  
Symphyotrichum spathulatum var. yosemitanum Western bog aster Perennial herb  
Synthyris cordata Serpentine snow queen Perennial herb  
Synthyris reniformis Snow queen Perennial herb 1
Synthyris reniformis var. cordata Snow queen Perennial herb  
Tanacetum bipinnatum Dune tansy Perennial herb 10
Tanacetum camphoratum Dune tansy Perennial herb 10
Tauschia glauca Glaucous tauschia Perennial herb  
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. polycarpum Torrey's meadow rue Perennial herb 13
Thalictrum polycarpum Fendler's meadow-rue Perennial herb 13
Thermopsis californica California goldenbanner Perennial herb 1
Thermopsis californica var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis californica var. californica California goldenbanner Perennial herb (rhizomatous)  
Thermopsis gracilis Slender goldenbanner Perennial herb (rhizomatous) 1
Thermopsis gracilis var. gracilis Slender false lupine Perennial herb (rhizomatous) 1
Thermopsis macrophylla Santa ynez false lupine Perennial herb 2
Thermopsis macrophylla var. argentata Silvery false lupine Perennial herb (rhizomatous)  
Thermopsis macrophylla var. macrophylla Common false lupine Perennial herb (rhizomatous) 2
Thermopsis macrophylla var. venosa Klamath false lupine Perennial herb (rhizomatous) 1
Thermopsis robusta Robust false lupine Perennial herb (rhizomatous)  
Tiarella trifoliata Sugar scoop Perennial herb 8
Tiarella trifoliata var. unifoliata Foamflower Perennial herb 4
Tofieldia occidentalis ssp. occidentalis Western tofieldia Perennial herb  
Tolmiea diplomenziesii Perennial herb 14
Tolmiea menziesii Pig a back plant Perennial herb 14
Torreyochloa pallida Pale false mannagrass Perennial grass (rhizomatous)  
Torreyochloa pallida var. pauciflora Mannagrass Perennial grass (rhizomatous)  
Toxicoscordion fontanum Marsh zigadenus Perennial herb  
Toxicoscordion fremontii Fremont's star lily Perennial herb 5
Toxicoscordion micranthum Small flowered star lily Perennial herb  
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 arctica Arctic starflower Perennial herb 1
Trientalis europaea Arctic starflower Perennial herb  
Trientalis europaea ssp. arctica Arctic starflower Perennial herb  
Trientalis latifolia Western star flower Perennial herb 2
Trifolium breweri Brewer's clover Perennial herb  
Trifolium eriocephalum Woollyhead clover Perennial herb  
Trifolium eriocephalum ssp. eriocephalum Woollyhead clover Perennial herb  
Trifolium eriocephalum var. eriocephalum Hairy head clover Perennial herb  
Trifolium howellii Howell's clover Perennial herb  
Trifolium longipes Long stalked clover Perennial herb  
Trifolium longipes ssp. elmeri Elmer's clover Perennial herb  
Trifolium longipes ssp. hansenii Hansen's clover Perennial herb  
Trifolium longipes ssp. oreganum Oregon clover Perennial herb  
Trifolium longipes ssp. shastense Longstalk clover Perennial herb  
Trifolium longipes var. elmeri Elmer's clover Perennial herb  
Trifolium longipes var. longipes Long stalked clover Perennial herb  
Trifolium longipes var. nevadense Mountain clover Perennial herb  
Trifolium longipes var. shastense Shasta clover Perennial herb  
Trifolium macrocephalum Big headed clover Perennial herb  
Trifolium wormskioldii Cow clover Perennial herb 7
Triglochin maritima Seaside arrow grass Perennial herb (aquatic) 6
Triglochin striata Three ribbed arrow grass Perennial herb (aquatic)  
Trillium albidum Giant white wakerobin Perennial herb 3
Trillium angustipetalum Narrow petaled wakerobin Perennial herb 3
Trillium ovatum Western wakerobin Perennial herb 10
Trillium ovatum ssp. ovatum Western wakerobin Perennial herb 2
Trillium rivale Siskiyou wakerobin Perennial herb 1
Trisetum canescens Nodding trisetum Perennial grass  
Trisetum cernuum Nodding oatgrass Perennial grass  
Trisetum cernuum var. projectum Nodding oatgrass Perennial grass  
Triteleia bridgesii Bridges' brodiaea Perennial herb 3
Triteleia crocea Yellow brodiaea Perennial herb  
Triteleia crocea var. crocea Yellow triteleia Perennial herb (bulb)  
Triteleia hyacinthina Wild hyacinth Perennial herb 9
Triteleia laxa Ithuriel's spear Perennial herb 12
Turritis glabra Tower rockcress Perennial herb  
Typha latifolia Broadleaf cattail Perennial herb (aquatic) 22
Urtica dioica Stinging nettle Perennial herb 10
Urtica dioica ssp. gracilis Nettle Perennial herb  
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  
Valeriana hookeri Scouler's valerian Perennial herb  
Valeriana sitchensis Sitka valerian Perennial herb 1
Valeriana sitchensis ssp. scouleri Scouler's valerian Perennial herb  
Valeriana sitchensis ssp. sitchensis Sitka valerian Perennial herb 1
Vancouveria chrysantha Siskiyou inside out flower Perennial herb (rhizomatous) 2
Vancouveria hexandra Northern vancouveria Perennial herb 21
Vancouveria planipetala Inside out flower Perennial herb 4
Veratrum californicum California false hellebore Perennial herb 3
Veratrum californicum var. californicum California corn lily Perennial herb  
Veratrum insolitum Siskiyou false hellebore Perennial herb  
Veratrum viride American false hellebore Perennial herb 4
Verbena lasiostachys Western vervain Perennial herb 17
Verbena lasiostachys var. lasiostachys 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  
Veronica wormskjoldii American alpine 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  
Vicia gigantea Giant vetch Perennial herb 3
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 cuneata Wedge leaf violet Perennial herb  
Viola glabella Stream violet Perennial herb 10
Viola hallii Hall's violet Perennial herb  
Viola langsdorffii Aleutian violet Perennial herb  
Viola langsdorfii Langsdorf's violet Perennial herb  
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 ocellata Western heart's ease Perennial herb 1
Viola palustris Marsh violet Perennial herb (rhizomatous) 4
Viola praemorsa Astoria violet Perennial herb 1
Viola praemorsa ssp. linguifolia Astoria violet Perennial herb  
Viola praemorsa ssp. praemorsa Astoria violet Perennial herb  
Viola primulifolia Perennial herb (rhizomatous)  
Viola primulifolia ssp. occidentalis Western bog violet Perennial herb (rhizomatous)  
Viola purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. purpurea Goosefoot violet Perennial herb  
Viola purpurea ssp. quercetorum Goosefoot yellow violet Perennial herb  
Viola sempervirens Redwood violet Perennial herb 7
Wyethia angustifolia Narrow leaved mule ears Perennial herb 10
Xerophyllum tenax Beargrass Perennial herb 10
Zigadenus fremontii Fremont's death camas Perennial herb 5
Zigadenus micranthus Small flowered death camas Perennial herb  
Zigadenus micranthus var. fontanus Fountain death camas Perennial herb  
Zigadenus micranthus var. micranthus Little flowered death camas Perennial herb  
Zigadenus venenosus Meadow deathcamas Perennial herb 2
Zigadenus venenosus var. venenosus Death camas Perennial herb  
  Lifeform: Fern51 plants
Adiantum aleuticum Five finger fern Fern 9
Aspidotis californica California lace fern Fern 1
Aspidotis densa Lace fern Fern 1
Asplenium trichomanes spleenwort Fern (rhizomatous) 3
Asplenium trichomanes ssp. trichomanes spleenwort Fern (rhizomatous)  
Athyrium distentifolium Fern  
Athyrium distentifolium var. americanum American alpine lady fern Fern  
Athyrium filix-femina Common ladyfern Fern 19
Athyrium filix-femina ssp. cyclosorum Subarctic ladyfern Fern  
Athyrium filix-femina var. cyclosorum Western lady fern Fern 1
Blechnum spicant Deer fern Fern 30
Botrychium multifidum Common grapefern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
Cryptogramma acrostichoides American parsley fern Fern  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Dryopteris expansa Spreading wood fern Fern 4
Equisetum Xferrissii Ferris' horsetail Fern  
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 echinospora Spiny spored quillwort Fern  
Isoetes howellii Quillwort Fern  
Lycopodium clavatum Running pine Fern (rhizomatous)  
Myriopteris gracillima Lace lip fern Fern 1
Pellaea brachyptera Sierra cliff brake Fern  
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Polypodium californicum California polypody Fern 12
Polypodium glycyrrhiza Licorice fern Fern 8
Polypodium scouleri Leather 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 lemmonii Lemmon's sword fern Fern 1
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 oregana Oregon spike moss Fern (mosslike)  
Selaginella wallacei Wallace's spike moss Fern (mosslike)  
Struthiopteris spicant Deer fern Fern 30
Thelypteris nevadensis Sierra marsh fern Fern  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub276 plants
Acer circinatum Vine maple Tree, Shrub 33
Acer glabrum Mountain maple Tree, Shrub 11
Acer glabrum var. douglasii Douglas maple Tree, Shrub 2
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  
Alnus incana Gray alder Tree, Shrub 6
Alnus incana ssp. tenuifolia Creek alder Tree, Shrub 9
Alnus rubra Red alder Tree, Shrub 29
Alnus viridis Green alder Tree, Shrub 1
Alnus viridis ssp. sinuata Sitka alder Tree, Shrub 10
Amelanchier alnifolia Service berry Shrub 31
Amelanchier alnifolia var. semiintegrifolia Service berry Shrub  
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Arctostaphylos Xcinerea Del norte manzanita Shrub  
Arctostaphylos Xknightii Hybrid manzanita Shrub  
Arctostaphylos Xparvifolia Hybrid manzanita Shrub  
Arctostaphylos canescens Hoary manzanita Shrub 1
Arctostaphylos canescens ssp. canescens Hoary manzanita Shrub  
Arctostaphylos columbiana Redwood manzanita Tree, Shrub 5
Arctostaphylos crustacea Brittle leaf manzanita Shrub 6
Arctostaphylos crustacea ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos densiflora Vine hill manzanita Shrub 24
Arctostaphylos glandulosa Eastwood manzanita Shrub 6
Arctostaphylos glandulosa f. cushingiana Cushing's manzanita Shrub  
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 3
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 3
Arctostaphylos hispidula Howell's manzanita Shrub  
Arctostaphylos hookeri Raven's manzanita Tree, Shrub 18
Arctostaphylos manzanita Common manzanita Shrub 26
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1
Arctostaphylos nevadensis Pine mat manzanita Shrub 6
Arctostaphylos nevadensis ssp. knightii Knight's manzanita Shrub  
Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita Shrub  
Arctostaphylos nortensis Del norte manzanita Shrub  
Arctostaphylos patula Green leaf manzanita Shrub 14
Arctostaphylos stanfordiana Stanford's manzanita Tree, Shrub 4
Arctostaphylos tomentosa ssp. crustacea Brittle leaf manzanita Shrub 5
Arctostaphylos uva-ursi Kinnikinnick Shrub 48
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6
Arctostaphylos viscida ssp. pulchella White leaf manzanita Tree, Shrub  
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2
Baccharis pilularis Coyote brush Shrub 58
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49
Baccharis pilularis ssp. pilularis Coyote brush Shrub 6
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. aquifolium Oregon grape Shrub 36
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis nervosa Oregon grape Shrub 14
Berberis pinnata Shiny leaf mahonia Shrub 8
Berberis pinnata ssp. pinnata Coast barberry Shrub  
Cassiope mertensiana Western moss heather Shrub 1
Ceanothus Xarcuatus Shrub  
Ceanothus arcuatus Arching ceanothus Tree, Shrub  
Ceanothus cordulatus Snow bush Shrub 7
Ceanothus cuneatus Buck brush Shrub 24
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3
Ceanothus integerrimus Deer brush Shrub 14
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 14
Ceanothus lemmonii Lemmon's ceanothus Shrub 3
Ceanothus oliganthus var. sorediatus Jim brush Shrub  
Ceanothus prostratus Mahala mats Shrub 11
Ceanothus pumilus Siskiyou mat Shrub  
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 42
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 11
Ceanothus velutinus var. hookeri Hooker's tobacco brush Tree, Shrub 10
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 10
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 11
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Chrysolepis chrysophylla Golden chinquapin Tree, Shrub 4
Chrysolepis chrysophylla var. chrysophylla Golden chinquapin Tree, Shrub 1
Chrysolepis chrysophylla var. minor Bush chinquapin Tree, Shrub  
Chrysolepis sempervirens Sierra chinquapin Shrub 2
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
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
Crataegus columbiana Columbia hawthorn Tree, Shrub 12
Crataegus douglasii Douglas' hawthorn Tree, Shrub 13
Crataegus gaylussacia Klamath hawthorn Tree, Shrub 3
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3
Diplacus aurantiacus Sticky monkeyflower Shrub 49
Empetrum nigrum Black crowberry Shrub 1
Empetrum nigrum ssp. hermaphroditum Black crowberry Shrub 1
Ericameria arborescens Golden fleece Shrub 3
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub  
Eriodictyon californicum Yerba santa Shrub 10
Eriogonum nudum Naked buckwheat Shrub 16
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. crassifolia Serpentine hoary coffeeberry Shrub  
Frangula californica ssp. occidentalis Wetern california coffeeberry Shrub 2
Frangula purshiana Cascara sagrada Tree, Shrub 19
Frangula purshiana ssp. purshiana Cascara sagrada Shrub 1
Frangula rubra Red buckthorn Shrub 3
Frangula rubra ssp. obtusissima Obtuse buckthorn Shrub  
Frangula rubra ssp. rubra Red buckthorn Shrub 3
Galium porrigens Climbing bedstraw Vine, Shrub  
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub  
Garrya buxifolia Boxleaf silk tassel Shrub  
Garrya elliptica Coast silk tassel Tree, Shrub 31
Garrya fremontii Fremont's silk tassel Shrub 5
Gaultheria ovatifolia Western wintergreen Shrub 1
Gaultheria shallon Salal Shrub 26
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
Juniperus communis Common juniper Shrub 14
Juniperus communis var. depressa Common juniper Shrub 2
Juniperus communis var. jackii Common juniper Shrub 2
Juniperus communis var. saxatilis Common juniper Shrub 2
Keckiella corymbosa Red beardtongue Shrub 2
Keckiella lemmonii Lemmon's keckiella Shrub  
Ledum glandulosum Western labrador tea Shrub 1
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 ciliosa Orange honeysuckle Vine, Shrub 10
Lonicera conjugialis Purpleflower honeysuckle Shrub 3
Lonicera hispidula Pink honeysuckle Vine, Shrub 34
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 34
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 41
Lonicera involucrata var. ledebourii Coast twinberry Shrub 2
Luetkea pectinata Partridge foot Shrub 3
Lupinus albifrons Silver bush lupine Shrub 34
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5
Lupinus arboreus Coastal bush lupine Shrub 27
Lupinus chamissonis Beach blue lupine Shrub 16
Lupinus littoralis var. variicolor Shrub 6
Lupinus variicolor Varied lupine Shrub 6
Malus fusca Oregon crab apple Tree, Shrub 13
Menziesia ferruginea Mock azalea Shrub 3
Mimulus aurantiacus Sticky monkeyflower Shrub 55
Mimulus aurantiacus var. aurantiacus Sticky monkeyflower Shrub 4
Mimulus puniceus Red bush monkeyflower Shrub 51
Monardella follettii Follett's monardella Shrub 1
Morella californica California wax myrtle Shrub 54
Myrica californica Wax myrtle Shrub 54
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
Philadelphus lewisii ssp. gordonianus Gordon's wild mock orange Shrub 47
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phyllodoce empetriformis Klamath mountain heather Shrub 4
Physocarpus capitatus Ninebark Shrub 40
Prunus emarginata Bitter cherry Tree, Shrub 15
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
Quercus sadleriana Sadler oak Shrub 4
Quercus vacciniifolia Huckleberry oak Shrub 5
Quercus wislizeni Interior live oak Tree, Shrub 22
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus californica ssp. occidentalis Wetern california coffeeberry Shrub 2
Rhamnus purshiana Cascara sagrada Tree, Shrub 17
Rhamnus rubra Sierra coffeeberry Shrub 3
Rhododendron columbianum Western labrador tea Shrub 1
Rhododendron macrophyllum California rose bay Shrub 9
Rhododendron occidentale Western azalea Tree, Shrub 23
Rhododendron occidentale var. occidentale Western azalea Tree, Shrub  
Rhododendron occidentale var. paludosum Western azalea Tree, Shrub  
Ribes binominatum Trailing gooseberry Shrub  
Ribes bracteosum Stink currant Shrub 6
Ribes divaricatum Spreading gooseberry Shrub 10
Ribes divaricatum var. divaricatum Spreading gooseberry Shrub  
Ribes divaricatum var. pubiflorum Spreading gooseberry Shrub 2
Ribes hudsonianum var. petiolare Western black currant Shrub  
Ribes lacustre Swamp currant Shrub 6
Ribes laxiflorum Trailing black currant Shrub 1
Ribes lobbii Gummy gooseberry Shrub 2
Ribes marshallii Marshall's gooseberry Shrub  
Ribes menziesii Gooseberry Shrub 6
Ribes montigenum Mountain gooseberry Shrub 2
Ribes nevadense Mountain pink currant Shrub 11
Ribes roezlii Sierra gooseberry Shrub 10
Ribes roezlii var. cruentum Spiny fruited gooseberry Shrub 3
Ribes roezlii var. roezlii Sierra gooseberry Shrub 3
Ribes sanguineum Flowering currant Shrub 53
Ribes sanguineum var. glutinosum Flowering currant Shrub 25
Ribes sanguineum var. sanguineum Red flowering currant Shrub 7
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa gymnocarpa var. gymnocarpa Wood rose Shrub 2
Rosa gymnocarpa var. serpentina Gasquet rose Shrub  
Rosa nutkana Nootka rose Shrub 17
Rosa nutkana ssp. nutkana Nootka rose Shrub  
Rosa nutkana var. muriculata Nootka rose Shrub  
Rosa nutkana var. nutkana Nootka rose Shrub  
Rosa nutkana var. setosa Nootka rose Shrub  
Rosa pinetorum Pine rose Shrub 1
Rosa pisocarpa Cluster rose Shrub 10
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
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 parviflorus var. velutinus Thimbleberry Vine, Shrub 38
Rubus spectabilis Salmon berry Shrub 21
Rubus ursinus California blackberry Vine, Shrub 38
Salix delnortensis Del norte willow Shrub  
Salix eastwoodiae Mountain willow Shrub 1
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix hookeriana Coastal willow Tree, Shrub 10
Salix lasiandra var. caudata Shining willow Shrub  
Salix lasiolepis Arroyo willow Tree, Shrub 22
Salix lasiolepis var. bigelovii Arroyo willow Tree, Shrub 22
Salix lucida Shining willow Tree, Shrub 19
Salix lucida ssp. caudata Shining willow Shrub  
Salix melanopsis Dusky willow Tree, Shrub 4
Salix scouleriana Scouler willow Tree, Shrub 17
Salix sessilifolia Northern sandbar willow Shrub 4
Salix sitchensis Coulter willow Tree, Shrub 15
Salix tracyi Tracy's willow Tree, Shrub  
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. 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
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
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium cespitosum Dwarf bilberry Shrub 2
Vaccinium coccineum Siskiyou Mtns. huckleberry Shrub 5
Vaccinium membranaceum Thin leaf huckleberry Shrub 5
Vaccinium ovatum Evergreen huckleberry Shrub 39
Vaccinium parvifolium Red huckleberry Shrub 11
Vaccinium scoparium Little leaf huckleberry Shrub 1
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
  Lifeform: Tree50 plants
Abies concolor White fir Tree 22
Abies grandis Grand fir Tree 16
Abies magnifica Magnificant silver fir Tree 3
Abies procera Noble fir Tree 14
Acer macrophyllum Bigleaf maple Tree 52
Aesculus californica Buckeye Tree 46
Alnus rhombifolia White alder Tree 38
Arbutus menziesii Madrono Tree 36
Callitropsis macrocarpa Monterey cypress Tree 5
Callitropsis nootkatensis Alaska cedar Tree 10
Calocedrus decurrens Incense cedar Tree 40
Chamaecyparis lawsoniana Port orford cedar Tree 14
Cornus sessilis Western cornelian cherry Tree 6
Cupressus lawsoniana Port orford cedar Tree 14
Cupressus macrocarpa Monterey cypress Tree 24
Cupressus nootkatensis Alaska cedar Tree 1
Fraxinus latifolia Oregon ash Tree 29
Hesperocyparis macrocarpa Monterey cypress Tree 24
Juniperus occidentalis Western juniper Tree 2
Picea breweriana Weeping spruce Tree 1
Picea sitchensis Sitka spruce Tree 18
Pinus attenuata Knobcone pine Tree 6
Pinus contorta Lodgepole pine Tree 30
Pinus contorta ssp. contorta Shore pine Tree 12
Pinus contorta ssp. murrayana Lodgepole pine Tree 4
Pinus jeffreyi Jeffrey pine Tree 17
Pinus lambertiana Sugar pine Tree 13
Pinus monticola Western white pine Tree 10
Pinus ponderosa Yellow pine Tree 29
Populus balsamifera ssp. trichocarpa Black cottonwood Tree 27
Populus trichocarpa Black cottonwood Tree 27
Pseudotsuga menziesii Douglas fir Tree 31
Pseudotsuga menziesii var. menziesii Douglas fir Tree 4
Quercus agrifolia Coast live oak Tree 52
Quercus chrysolepis Gold cup live oak Tree 24
Quercus chrysolepis var. nana Canyon live oak Tree 24
Quercus garryana Oregon oak Tree 24
Quercus garryana var. breweri Oregon oak Tree 2
Quercus garryana var. garryana Oregon oak Tree 1
Quercus kelloggii California black oak Tree 24
Salix laevigata Polished willow Tree 17
Salix lasiandra Pacific willow Tree 20
Salix lasiandra var. lasiandra Pacific willow Tree 6
Salix lucida ssp. lasiandra Shining willow Tree 6
Sequoia sempervirens Coast redwood Tree 34
Taxus brevifolia California yew Tree 11
Thuja plicata Western red cedar Tree 22
Tsuga heterophylla Western hemlock Tree 14
Tsuga mertensiana Patton spruce Tree 13
Umbellularia californica California bay Tree 40
  Lifeform: Vine1 plant
Rubus nivalis Snow dwarf bramble Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Del Norte County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.