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Criteria:   found in Siskiyou County  •   is native  •  group by lifeform
3506  records include photos for these plants # number of sources
Scientific Name Common Name Lifeform #
  Lifeform: Annual680 plants
Achyrachaena mollis Blow wives Annual herb 2
Acmispon americanus American bird's foot trefoil Annual herb 3
Acmispon americanus var. americanus Spanish lotus Annual herb 1
Acmispon brachycarpus Short podded lotus Annual herb  
Acmispon denticulatus Toothed lotus Annual herb  
Acmispon micranthus Small flowered lotus Annual herb 2
Acmispon parviflorus Hill lotus Annual herb  
Acmispon wrangelianus Chilean trefoil Annual herb  
Agoseris heterophylla Mountain dandelion Annual herb  
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb  
Aliciella leptomeria Sand aliciella Annual herb  
Allophyllum divaricatum Purple false gilia Annual herb  
Allophyllum gilioides Dense false gilia Annual herb  
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb  
Alopecurus saccatus Foxtail Annual grass  
Amaranthus blitoides Prostrate pigweed Annual herb  
Amaranthus californicus California amaranth Annual herb  
Amaranthus powellii Powell's amaranth Annual herb  
Amsinckia intermedia Common fiddleneck Annual herb 1
Amsinckia lycopsoides Tarweed fiddleneck Annual herb  
Amsinckia menziesii Fiddleneck Annual herb 1
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb 1
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1
Amsinckia retrorsa Rigid fiddleneck Annual herb  
Amsinckia tessellata Devil's lettuce Annual herb 4
Amsinckia tessellata var. gloriosa Large flowered devil's fiddleneck Annual herb 1
Amsinckia tessellata var. tessellata Devil's lettuce Annual herb 1
Ancistrocarphus filagineus Woolly fishhooks Annual herb  
Androsace elongata California rockjasmine Annual herb  
Androsace elongata ssp. acuta California androsace Annual herb  
Androsace filiformis Slender stemmed androsace Annual herb  
Androsace occidentalis Western rockjasmine Annual herb  
Antirrhinum cornutum Spurred snapdragon Annual herb  
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb  
Antirrhinum vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb  
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb  
Antirrhinum vexillocalyculatum ssp. breweri Wiry snapdragon Annual herb  
Aphyllon corymbosum Flat topped broom rape Annual herb  
Aphyllon epigalium Annual herb  
Aphyllon purpureum Naked broom rape Annual herb  
Aristida oligantha Oldfield three awn Annual grass  
Aster frondosus Short rayed alkali aster Annual herb  
Astragalus gambelianus Loco weed Annual herb  
Astragalus lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. chartaceus Broadleaf milkvetch Annual, Perennial herb  
Astragalus lentiginosus var. lentiginosus Freckled milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. platyphyllidius Volcanic milk vetch Annual, Perennial herb  
Astragalus lentiginosus var. salinus Sagebrush milk vetch Annual, Perennial herb  
Athysanus pusillus Dwarf athysanus Annual herb  
Atriplex patula Spear oracle Annual herb 3
Atriplex pusilla Small scale Annual herb  
Atriplex truncata Wedgescale Annual herb  
Beckmannia syzigachne American sloughgrass Annual grass 5
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 7
Calandrinia menziesii Calandrinia Annual herb 7
Callitriche heterophylla var. bolanderi Bolander's water starwort Annual herb  
Callitriche heterophylla var. heterophylla Varied leaved water starwort Annual herb  
Callitriche palustris Vernal water-starwort Annual herb  
Callitriche verna Water starwort Annual herb  
Calycadenia fremontii Fremont's calycadenia Annual herb  
Calycadenia micrantha Small flowered calycadenia Annual herb  
Calycadenia truncata Rosin weed Annual herb  
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb  
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3
Camissonia contorta Contorted sun cup Annual herb  
Camissonia graciliflora Hill sun cup Annual herb  
Cardamine oligosperma Idaho bittercress Annual, Perennial herb  
Castilleja attenuata Narrow leaved owl's clover Annual herb  
Castilleja campestris Yellow owl's clover Annual herb  
Castilleja campestris ssp. campestris Yellow owl's clover Annual herb  
Castilleja densiflora Dense flower owl's clover Annual herb  
Castilleja exserta Owl's clover Annual herb 10
Castilleja exserta ssp. exserta Purple owl's clover Annual herb 5
Castilleja lacera Foothill owl's clover Annual herb  
Castilleja minor Little paintbrush Annual herb 1
Castilleja minor ssp. minor Lesser paintbrush Annual herb 2
Castilleja tenuis Hairy owl's clover Annual herb  
Centaurium muehlenbergii Monterey centaury Annual herb 2
Centaurium venustum Beautiful centaury Annual herb  
Centromadia fitchii Spikeweed Annual herb  
Centromadia pungens Common tarweed Annual herb 1
Centromadia pungens ssp. maritima Common tarweed Annual herb  
Centromadia pungens ssp. pungens Common tarweed Annual herb  
Centromadia pungens ssp. septentrionalis Common tarweed Annual herb  
Chaenactis carphoclinia Pebble pincushion Annual herb  
Chaenactis douglasii Chaenactis Annual, Perennial herb  
Chaenactis douglasii var. douglasii Dusty pincushions Annual, Perennial herb  
Chamaesyce glyptosperma Rib seed spurge Annual herb  
Chamaesyce ocellata Contura creek spurge Annual herb  
Chamaesyce ocellata ssp. ocellata Contura creek sandmat Annual herb  
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb  
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb  
Chamomilla suaveolens Common pineapple weed Annual herb  
Chenopodium atrovirens Dark green goosefoot Annual herb  
Chenopodium berlandieri Pit seed goosefoot Annual herb  
Chenopodium desiccatum Dry goosefoot Annual herb  
Chenopodium fremontii Fremont's goosefoot Annual herb  
Chenopodium incognitum Masked goosefoot Annual herb  
Chenopodium leptophyllum Thin leaved goosefoot Annual herb  
Chenopodium pratericola Meadow goosefoot Annual herb  
Chenopodium rubrum Red goosefoot Annual herb  
Chenopodium rubrum var. rubrum Red goosefoot Annual herb  
Chenopodium simplex Large seeded goosefoot Annual herb  
Chorizanthe membranacea Pink spineflower Annual herb 1
Clarkia amoena Farewell to spring Annual herb 17
Clarkia amoena ssp. huntiana Farewell to spring Annual herb  
Clarkia borealis Northern clarkia Annual herb  
Clarkia borealis ssp. borealis Northern clarkia Annual herb  
Clarkia concinna Red ribbons Annual herb 5
Clarkia concinna ssp. concinna Red ribbons Annual herb  
Clarkia gracilis Graceful clarkia Annual herb 3
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb  
Clarkia heterandra California gaura Annual herb  
Clarkia lassenensis Lassen clarkia Annual herb  
Clarkia modesta Waltham creek clarkia Annual herb  
Clarkia purpurea Purple clarkia Annual herb 9
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4
Clarkia purpurea ssp. viminea Large godetia Annual herb  
Clarkia rhomboidea Tongue clarkia Annual herb 2
Clarkia stellata Lake almanor clarkia Annual herb  
Claytonia exigua Little spring beauty Annual herb  
Claytonia exigua ssp. exigua Viridis Annual herb  
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1
Claytonia perfoliata Miner's lettuce Annual herb 6
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb  
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb  
Claytonia rubra Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb  
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb  
Claytonia saxosa Brandegee's spring beauty Annual herb  
Cleome platycarpa Golden bee plant Annual herb  
Collinsia grandiflora Large flowered collinsia Annual herb 2
Collinsia greenei Greene's collinsia Annual herb  
Collinsia linearis Narrow leaf collinsia Annual herb  
Collinsia parviflora Few flowered blue eyed mary Annual herb 1
Collinsia rattanii Rattan's collinsia Annual herb 1
Collinsia sparsiflora Few flowered collinsia Annual herb  
Collinsia sparsiflora var. collina Hillside collinsia Annual herb  
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  
Collinsia torreyi var. wrightii Wright's collinsia Annual herb  
Collomia diversifolia Serpentine collomia Annual herb  
Collomia grandiflora Large flowered collomia Annual herb 4
Collomia heterophylla Varied leaved collomia Annual herb  
Collomia linearis Narrow 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 pilosus Hairy bird's beak Annual herb  
Cordylanthus pilosus ssp. pilosus Hairy bird's beak Annual herb  
Cordylanthus ramosus Bushy bird's beak Annual herb  
Cordylanthus tenuis Slender bird's beak Annual herb  
Cordylanthus tenuis ssp. brunneus Serpentine bird's beak Annual herb (hemiparasitic)  
Cordylanthus tenuis ssp. pallescens Pallid bird's beak Annual herb (hemiparasitic)  
Cordylanthus tenuis ssp. 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 affinis Common cryptantha Annual herb  
Cryptantha ambigua Wilkes' cryptantha Annual herb  
Cryptantha circumscissa Western forget me not Annual herb  
Cryptantha clevelandii var. dissita Serpentine cryptantha Annual herb  
Cryptantha dissita Serpentine cryptantha Annual herb  
Cryptantha flaccida Beaked cryptantha Annual herb  
Cryptantha incana Tulare cryptantha Annual herb  
Cryptantha intermedia Common cryptanth Annual herb  
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb  
Cryptantha intermedia var. intermedia Common cryptantha Annual herb  
Cryptantha milobakeri Milo baker's cryptantha Annual herb  
Cryptantha muricata Prickly cryptantha Annual herb 2
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2
Cryptantha rostellata Beaked cryptantha Annual herb  
Cryptantha simulans Pine cryptantha Annual herb  
Cryptantha subretusa Crater lake cryptantha Annual herb  
Cryptantha torreyana Torrey's cryptantha Annual herb  
Cryptantha torreyana var. torreyana Torrey's cryptantha Annual herb  
Cryptantha watsonii Watson'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 cephalanthi Buttonbush dodder Annual herb, Vine (parasitic)  
Cuscuta jepsonii Jepson's dodder Annual herb, Vine  
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii Mountain dodder Annual herb, Vine (parasitic)  
Cuscuta suksdorfii var. subpedicellata Mountain dodder Annual herb, Vine (parasitic)  
Cyperus acuminatus Short pointed cyperus Annual grass  
Cyperus bipartitus Slender flatsedge Annual grass  
Cyperus erythrorhizos Red rooted cyperus Annual grass 2
Cyperus odoratus Fragrant flatsedge Annual grass  
Cyperus squarrosus Awned cyperus Annual grass  
Daucus pusillus Wild carrot Annual herb 1
Deschampsia danthonioides Annual hairgrass Annual grass  
Descurainia incisa Mountain tansy mustard Annual herb  
Descurainia incisa ssp. filipes Erect fruited mountain tansy mustard Annual herb  
Descurainia longipedicellata Annual herb  
Descurainia pinnata Yellow tansy mustard Annual herb  
Descurainia pinnata ssp. brachycarpa Western tansymustard Annual herb  
Descurainia pinnata ssp. halictorum Alkali western tansy mustard Annual herb  
Descurainia pinnata ssp. intermedia Intermediate western tansy mustard Annual herb  
Dimeresia howellii Doublet Annual herb  
Diplacus douglasii Purple mouse ears Annual herb 1
Diplacus jepsonii Jepson's monkeyflower Annual herb  
Diplacus kelloggii Kellogg's monkeyflower Annual herb  
Diplacus layneae Layne's monkeyflower Annual herb  
Diplacus mephiticus Skunky monkeyflower Annual herb  
Diplacus nanus Dwarf monkey flower Annual herb  
Diplacus pygmaeus Egg Lake monkeyflower Annual herb  
Diplacus torreyi Torrey's monkeyflower Annual herb  
Diplacus tricolor Tricolor monkeyflower Annual herb  
Downingia bacigalupii Bach's downingia Annual herb  
Downingia bicornuta Bristled downingia Annual herb  
Downingia concolor Spotted throat downingia Annual herb  
Downingia concolor var. concolor Spotted throat downingia Annual herb  
Downingia cuspidata Toothed downingia Annual herb  
Downingia elegans Elegant downingia Annual herb  
Downingia elegans var. corymbosa Elegant downingia Annual herb  
Downingia elegans var. elegans Elegant calicoflower Annual herb  
Downingia insignis Harlequin downingia Annual herb  
Downingia montana Sierra downingia Annual herb  
Downingia pulcherrima Calicoflower Annual herb  
Downingia yina Cascade downingia Annual herb  
Draba albertina Alberta whitlow grass Annual, Perennial herb  
Draba stenoloba var. ramosa Alaska draba Annual, Perennial herb  
Echinochloa muricata var. microstachya Rough barnyardgrass Annual grass  
Elatine californica California waterwort Annual, Perennial herb  
Elatine chilensis Chilean waterwort Annual, Perennial herb (aquatic)  
Elatine gracilis Sierra waterwort Annual, Perennial herb (aquatic)  
Elatine rubella Southwestern waterwort Annual herb  
Eleocharis decumbens Decumbent spikerush Annual grass  
Eleocharis engelmannii Engelmann's spikerush Annual grass  
Eleocharis engelmannii var. detonsa Engelmann's spikerush Annual grass  
Eleocharis obtusa Broad spiked spikerush Annual grass 3
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass  
Epilobium brachycarpum Willow herb Annual herb 1
Epilobium campestre Smooth boisduvalia Annual herb  
Epilobium densiflorum Willow herb Annual herb 1
Epilobium foliosum California willowherb Annual herb  
Epilobium minutum Minute willowherb Annual herb  
Epilobium pallidum Pale boisduvalia Annual herb  
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1
Epilobium pygmaeum Smooth boisduvalia Annual herb  
Eragrostis hypnoides Teal lovegrass Annual grass  
Eragrostis mexicana Mexican lovegrass Annual grass  
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass  
Eragrostis pectinacea Tufted lovegrass Annual grass  
Eragrostis pectinacea var. miserrima Desert lovegrass Annual grass  
Eragrostis pectinacea var. pectinacea Tufted lovegrass Annual grass  
Eremocarpus setigerus Turkey mullein Annual herb 4
Eriastrum signatum Maroon-spotted Woollystar Annual herb  
Eriastrum sparsiflorum Great basin eriastrum Annual herb  
Eriastrum wilcoxii Wilcox's eriastrum Annual herb  
Erigeron canadensis Canada horseweed Annual herb  
Eriogonum baileyi Bailey buckwheat Annual herb  
Eriogonum baileyi var. baileyi Bailey's buckwheat Annual herb  
Eriogonum hirtiflorum Hairy flowered buckwheat Annual herb  
Eriogonum luteolum Wicker buckwheat Annual herb  
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb  
Eriogonum maculatum Angle stermed buckwheat Annual herb  
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb  
Eriogonum roseum Wand buckwheat Annual herb 3
Eriogonum spergulinum Wild buckwheat Annual herb  
Eriogonum spergulinum var. reddingianum Spurry buckwheat Annual herb  
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 1
Erythranthe alsinoides Chickweed monkeyflower Annual herb  
Erythranthe arvensis Annual herb  
Erythranthe bicolor Yellow and white monkeyflower Annual herb  
Erythranthe breviflora Short flowered monkeyflower Annual herb  
Erythranthe breweri Brewer's monkeyflower Annual herb  
Erythranthe floribunda Many flowered monkey flower Annual herb 1
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Erythranthe inflatula ephemeral monkeyflower Annual herb  
Erythranthe microphylla Small leaved monkeyflower Annual herb  
Erythranthe pulsiferae Candelabrum monkey flower Annual herb  
Erythranthe rubella Red stemmed himulus Annual herb  
Erythranthe suksdorfii Suksdorf's monkeyflower Annual herb  
Erythranthe taylorii Shasta limestone monkeyflower Annual herb  
Erythranthe trinitiensis Pink-margined monkeyflower Annual herb  
Eschscholzia californica California poppy Annual, Perennial herb 50
Euphorbia crenulata Chinesecaps Annual, Perennial herb  
Euphorbia glyptosperma Ridge-seeded spurge Annual herb  
Euphorbia ocellata Contura creek spurge Annual herb  
Euphorbia ocellata ssp. ocellata Valley spurge Annual, Perennial herb  
Euphorbia serpillifolia Thyme-leafed spurge Annual herb  
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb  
Euphorbia spathulata Reticulate seeded spurge Annual herb  
Festuca microstachys Small fescue Annual grass  
Floerkea proserpinacoides False mermaid Annual herb  
Galium aparine Cleavers Annual herb  
Galium bifolium Low mountain bedstraw Annual herb  
Galium tricornutum Rough bedstraw Annual herb  
Galium triflorum Sweet bedstraw Annual herb  
Gayophytum diffusum Spreading groundsmoke Annual herb  
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb  
Gayophytum heterozygum Zig zag gayophytum Annual herb  
Gayophytum humile Dwarf groundsmoke Annual herb  
Gayophytum racemosum Black foot gayophytum Annual herb  
Gayophytum ramosissimum Pinyon gayophytum Annual herb  
Gentianella amarella Autumn dwarf gentian Annual herb  
Gentianella amarella ssp. acuta Autumn dwarf gentian Annual herb  
Gentianopsis simplex Hiker's fringed gentian Annual herb  
Geranium bicknellii Bicknell's geranium Annual herb  
Geranium carolinianum Carolina geranium Annual herb  
Gilia brecciarum Small gilia Annual herb  
Gilia brecciarum ssp. brecciarum Nevada gilia Annual herb  
Gilia capillaris Smooth leaved gilia Annual herb  
Gilia capitata Blue field gilia Annual herb 19
Gilia capitata ssp. capitata Blue field gilia Annual herb 2
Gilia leptalea Bridges' gilia Annual herb  
Gilia leptalea ssp. leptalea Bridges gilia Annual herb  
Gilia leptomeria Tooth leaved gilia Annual herb  
Gilia sinistra Clockwise gilia Annual herb  
Gilia sinistra ssp. sinistra Clockwise gilia Annual herb  
Gilia sinuata Cinder gilia Annual herb  
Gilia tenuiflora Slender flowered gilia Annual herb  
Githopsis specularioides Venus' looking glass Annual herb  
Gnaphalium palustre Lowland cudweed Annual herb  
Gnaphalium stramineum Cotton batting Annual, Perennial herb 4
Gratiola ebracteata Common hedge hyssop Annual herb  
Gratiola heterosepala Boggs lake hedge hyssop Annual herb  
Gratiola neglecta Clammy hedge hyssop Annual herb  
Gymnosteris parvula Small flowered gymnosteris Annual herb  
Helianthus annuus Hairy leaved sunflower Annual herb 16
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2
Helianthus exilis Serpentine sunflower Annual herb 2
Hemizonella minima Opposite leaved tarweed Annual herb  
Hemizonia congesta Hayfield tarweed Annual herb 5
Hemizonia congesta ssp. clevelandii Cleveland's tarweed Annual herb  
Hemizonia fitchii Spikeweed Annual herb  
Hemizonia pungens Common spikeweed Annual herb 1
Hemizonia pungens ssp. maritima Maritime spikeweed Annual herb  
Hemizonia pungens ssp. pungens Common tarweed Annual herb  
Hemizonia pungens ssp. septentrionalis Northern spikeweed Annual herb  
Hesperocnide tenella Western stinging nettle Annual herb  
Hesperolinon micranthum Small flower western flax Annual herb  
Heterocodon rariflorum Heterocodon Annual herb  
Hordeum depressum Alkali barley Annual grass 3
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1
Idahoa scapigera Oldstem idahoa Annual herb  
Juncus bufonius Common toad rush Annual grass 6
Juncus bufonius var. bufonius Toad rush Annual grass  
Juncus hemiendytus Dwarf rush Annual grass  
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass  
Juncus kelloggii Kellogg's dwarf rush Annual grass  
Juncus leiospermus Dwarf rush Annual grass  
Juncus leiospermus var. leiospermus Red bluff dwarf rush Annual grass  
Juncus tiehmii Tiehm's rush Annual grass  
Lagophylla ramosissima Common hareleaf Annual herb  
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb  
Landoltia punctata Dotted duckmeat Annual, Perennial herb  
Lappula redowskii Stickweed Annual herb  
Lasthenia californica Goldfields Annual herb 13
Lasthenia californica ssp. californica California goldfields Annual herb 2
Layia glandulosa White layia Annual herb 5
Lepidium densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. densiflorum Common pepper grass Annual herb  
Lepidium densiflorum var. macrocarpum Bigseed pepper grass Annual herb  
Lepidium oblongum Veiny pepper grass Annual herb  
Lepidium ruderale Roadside pepperweed Annual herb 1
Lepidium virginicum Wild pepper grass Annual herb 1
Lepidium virginicum ssp. menziesii Robinson's pepper grass Annual herb  
Lepidium virginicum var. pubescens Wild pepper grass Annual herb  
Leptochloa fascicularis Sprangletop Annual grass  
Leptochloa fusca Sprangletop Annual grass  
Leptochloa fusca ssp. fascicularis Bearded sprangletop Annual grass  
Leptosiphon androsaceus False babystars Annual herb 1
Leptosiphon bicolor True babystars Annual herb  
Leptosiphon bolanderi Bolander's linanthus Annual herb  
Leptosiphon ciliatus Whiskerbrush Annual herb 1
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb  
Leptosiphon filipes Thread linanthus Annual herb  
Leptosiphon harknessii Harkness' flaxflower Annual herb  
Leptosiphon rattanii Rattan's leptosiphon Annual herb  
Leptosiphon septentrionalis Northern linanthus Annual herb  
Lessingia nemaclada Thread stem lessingia Annual herb  
Lessingia ramulosa Sonoma lessingia Annual herb  
Limnanthes alba White meadowfoam Annual herb 1
Limnanthes floccosa Woolly meadowfoam Annual herb  
Limnanthes floccosa ssp. bellingeriana Bellinger's meadowfoam Annual herb  
Limnanthes floccosa ssp. floccosa Woolly meadowfoam Annual herb  
Limosella aquatica Northern mudwort Annual herb (aquatic)  
Linanthus androsaceus Common linanthus Annual herb 1
Linanthus bicolor True baby stars Annual herb  
Linanthus bolanderi Bolander's linanthus Annual herb  
Linanthus ciliatus Whisker brush linanthus Annual herb 1
Linanthus filipes Filiform linanthus Annual herb  
Linanthus harknessii Harkness linanthus Annual herb  
Linanthus rattanii Rattan's linanthus Annual herb  
Linanthus septentrionalis Northern linanthus Annual herb  
Lindernia dubia False pimpernel Annual herb  
Lindernia dubia var. dubia False pimpernel Annual herb  
Lotus denticulatus Toothed lotus Annual herb  
Lotus hamatus Small flowered lotus Annual herb 2
Lotus humistratus Short podded lotus Annual herb  
Lotus micranthus Hill lotus Annual herb  
Lotus purshianus Bird's foot trefoil Annual herb 6
Lotus purshianus var. purshianus Spanish lotus Annual herb 1
Lotus unifoliolatus American bird's foot trefoil Annual herb 2
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb  
Lotus wrangelianus Chilean trefoil Annual herb  
Lupinus bicolor Lupine Annual, Perennial herb 16
Lupinus luteolus Butter lupine Annual herb 1
Lupinus microcarpus Chick lupine Annual herb 9
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 13
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3
Lupinus nanus Valley sky lupine Annual herb 11
Madia citrigracilis Shasta tarweed Annual herb  
Madia citriodora Lemon scented tarweed Annual herb  
Madia elegans Common madia Annual herb 14
Madia elegans ssp. densifolia Leafy common madia Annual herb 12
Madia elegans ssp. elegans Common madia Annual herb 1
Madia exigua Small tarweed Annual herb 1
Madia glomerata Mountain tarweed Annual herb  
Madia gracilis Gumweed Annual herb 1
Madia minima Little tarweed Annual herb  
Madia sativa Coastal tarweed Annual herb  
Malacothrix clevelandii Cleveland's malacothrix Annual herb  
Malacothrix floccifera Woolly malacothrix Annual herb 1
Malacothrix sonchoides Sow thistle malacothrix Annual herb 1
Matricaria discoidea Pineapple weed Annual herb 3
Mentzelia albicaulis White stemmed blazing star Annual herb 2
Mentzelia congesta Clustered blazing star Annual herb  
Mentzelia dispersa Scattered blazing star Annual herb  
Mentzelia micrantha Small flowered stickleaf Annual herb 2
Mentzelia montana Mountain blazing star Annual herb  
Micranthes bryophora Bud saxifrage Annual herb  
Micropus californicus Q tips Annual herb 1
Micropus californicus var. californicus Slender cottonweed Annual herb  
Microsteris gracilis Slender phlox Annual herb  
Microsteris gracilis var. gracilis Slender phlox Annual herb  
Microsteris gracilis var. humilior Slender phlox Annual herb  
Mimetanthe pilosa Snouted monkey flower Annual herb  
Mimulus alsinoides Chickweed monkeyflower Annual herb  
Mimulus bicolor Yellow and white monkeyflower Annual herb  
Mimulus brachiatus Serpentine monkeyflower Annual herb  
Mimulus breviflorus Short flowered monkeyflower Annual herb  
Mimulus breweri Brewer's monkeyflower Annual herb  
Mimulus douglasii Purple mouse ears Annual herb 1
Mimulus evanescens Disappearing monkeyflower Annual herb  
Mimulus floribundus Many flowered monkey flower Annual herb 1
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36
Mimulus jepsonii Jepson's monkeyflower Annual herb  
Mimulus kelloggii Kellogg's monkeyflower Annual herb  
Mimulus layneae Layne's monkeyflower Annual herb  
Mimulus mephiticus Skunky monkeyflower Annual herb  
Mimulus microphyllus Small leaved monkeyflower Annual herb 35
Mimulus nanus Dwarf monkey flower Annual herb  
Mimulus nanus var. jepsonii Jepson's monkeyflower Annual herb  
Mimulus nanus var. mephiticus Skunky monkeyflower Annual herb  
Mimulus nanus var. nanus Dwarf monkey flower Annual herb  
Mimulus parishii Parish mimulus Annual herb 35
Mimulus pilosus Snouted monkey flower Annual herb  
Mimulus pulsiferae Candelabrum monkey flower Annual herb  
Mimulus pygmaeus Egg lake monkeyflower Annual herb  
Mimulus rubellus Red stemmed himulus Annual herb  
Mimulus suksdorfii Suksdorf's monkeyflower Annual herb  
Mimulus torreyi Torrey's monkeyflower Annual herb  
Mimulus tricolor Tricolor monkeyflower Annual herb  
Minuartia douglasii Douglas' sandwort Annual herb  
Minuartia pusilla Annual sandwort Annual herb  
Monolepis nuttalliana Nuttall's poverty weed Annual herb  
Montia dichotoma Dwarf miner's lettuce Annual herb  
Montia diffusa Diffuse miner's lettuce Annual herb  
Montia fontana Water montia Annual herb  
Montia linearis Narrow leaved water chickweed Annual herb  
Muhlenbergia filiformis Slender muhly Annual, Perennial grass  
Muhlenbergia minutissima Annual muhly Annual grass  
Myosurus apetalus Mouse tail Annual herb  
Myosurus apetalus var. montanus Bristly mousetail Annual herb  
Myosurus minimus Little mouse tail Annual herb  
Myosurus sessilis Tiny mouse tail Annual herb  
Najas flexilis Slender water nymph Annual herb  
Nama densa Leafy Nama Annual herb  
Nama densa var. densa Leafy Nama Annual herb  
Nama densa var. parviflora Leafy Nama Annual herb  
Nama densum Purple mat Annual herb  
Nama densum var. densum Purple mat Annual herb  
Nama densum var. parviflorum Few flowered purple mat Annual herb  
Navarretia aeroides Annual herb  
Navarretia capillaris Miniature gilia Annual herb  
Navarretia divaricata Mountain navarretia Annual herb  
Navarretia heterandra Tehama navarretia Annual herb  
Navarretia intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb  
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb  
Navarretia leptalea Bridges' pincushionplant Annual herb  
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb  
Navarretia leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. bakeri Baker's navarretia Annual herb  
Navarretia leucocephala ssp. leucocephala White headed navarretia Annual herb  
Navarretia leucocephala ssp. minima Little white navarretia Annual herb  
Navarretia linearifolia Navarretia Annual herb  
Navarretia linearifolia ssp. linearifolia Navarretia Annual herb  
Navarretia paradoxiclara Navarretia Annual herb  
Navarretia paradoxinota Navarretia Annual herb  
Navarretia propinqua Annual herb  
Navarretia prostrata Prostrate navarretia Annual herb  
Navarretia pubescens Purple navarretia Annual herb  
Navarretia sinistra Alva day's pincushionplant Annual herb  
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb  
Navarretia tagetina Marigold navarretia Annual herb  
Nemophila heterophylla Canyon nemophila Annual herb  
Nemophila menziesii Baby blue eyes Annual herb 18
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  
Nemophila pedunculata Meadow nemophila Annual herb  
Nemophila spatulata Sierra nemophila Annual herb  
Nicotiana attenuata Coyote tobacco Annual herb  
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb  
Nicotiana quadrivalvis Indian tobacco Annual herb 2
Orcuttia tenuis Slender orcutt grass Annual grass  
Orobanche corymbosa Flat topped broom rape Annual herb  
Orthocarpus bracteosus Bracted owl's clover Annual herb  
Orthocarpus cuspidatus Broad scaled owl's clover Annual herb 1
Orthocarpus cuspidatus ssp. copelandii Copeland's owl's clover Annual herb  
Orthocarpus cuspidatus ssp. cuspidatus Siskiyou mtns. orthocarpus Annual herb  
Orthocarpus imbricatus Imbricate owl's clover Annual herb  
Orthocarpus pachystachyus Shasta orthocarpus Annual herb  
Panicum capillare Old witch grass Annual grass 2
Panicum oligosanthes Heller's rosette grass Annual grass  
Panicum oligosanthes var. scribnerianum Scribner's rosette grass Annual grass  
Pectocarya penicillata Winged pectocarya Annual herb  
Pectocarya pusilla Little pectocarya Annual herb  
Peritoma platycarpa Golden bee plant Annual herb  
Persicaria lapathifolia Common knotweed Annual herb  
Phacelia bicolor Twocolor phacelia Annual herb  
Phacelia cookei Cooke's phacelia Annual herb  
Phacelia glandulifera Sticky phacelia Annual herb  
Phacelia greenei Scott valley phacelia Annual herb  
Phacelia humilis Low phacelia Annual herb  
Phacelia inundata Playa phacelia Annual herb  
Phacelia leonis Siskiyou phacelia Annual herb  
Phacelia linearis Thread leaf phacelia Annual herb  
Phacelia pringlei Pringle's phacelia Annual herb  
Phacelia rattanii Rattan's phacelia Annual herb  
Phacelia thermalis Heat phacelia Annual herb  
Phalaris angusta Timothy canarygrass Annual grass  
Phlox gracilis Annual phlox Annual herb  
Pholistoma auritum Fiesta flower Annual herb  
Plagiobothrys bracteatus Bracted allocarya Annual herb  
Plagiobothrys canescens Valley popcorn Annual herb 1
Plagiobothrys cognatus Popcorn flower Annual herb  
Plagiobothrys cusickii Cusick's popcorn flower Annual herb  
Plagiobothrys greenei Greene's allocarya Annual herb  
Plagiobothrys hispidulus Harsh allocarya Annual herb  
Plagiobothrys hispidus Cascade popcorn flower Annual herb  
Plagiobothrys infectivus Dye popcorn flower Annual herb  
Plagiobothrys kingii Great basin popcorn flower Annual herb  
Plagiobothrys kingii var. harknessii Harkness' great basin popcorn flower Annual herb  
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb  
Plagiobothrys reticulatus Reticulate popcorn flower Annual herb  
Plagiobothrys scouleri Scouler's popcornflower Annual herb  
Plagiobothrys scouleri var. cusickii Cusick's popcornflower Annual herb  
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb  
Plagiobothrys shastensis Shasta popcorn flower Annual herb  
Plagiobothrys stipitatus Vernal pool allocarya Annual herb  
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb  
Plagiobothrys tenellus Slender popcorn flower Annual herb  
Plagiobothrys tener Slender allocarya Annual herb  
Plagiobothrys tener var. tener Slender popcornflower Annual herb  
Platystemon californicus Cream cups Annual herb 3
Plectritis brachystemon Short spurred plectritis Annual herb  
Plectritis ciliosa Long spurred plectritis Annual herb  
Plectritis congesta Sea blush Annual herb 1
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb  
Plectritis macrocera Plectritis Annual herb  
Poa bolanderi Bolander's bluegrass Annual grass  
Poa howellii Howell's blue grass Annual grass  
Pogogyne floribunda Profuse flowered pogogyne Annual herb  
Pogogyne serpylloides Thyme leaf mesa mint Annual herb  
Pogogyne zizyphoroides Sacramento mint Annual herb  
Polemonium micranthum Annual sky pilot Annual herb  
Polygonum austiniae Rebecca austin's knotweed Annual herb  
Polygonum californicum California knotweed Annual herb  
Polygonum douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. austiniae Rebecca austin's knotweed Annual herb  
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb  
Polygonum douglasii ssp. johnstonii Knotweed Annual herb  
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb  
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb  
Polygonum lapathifolium Common knotweed Annual herb  
Polygonum majus Large douglas' knotweed Annual herb  
Polygonum minimum Little mountain knotweed Annual herb  
Polygonum polygaloides Milkwort knotweed Annual herb  
Polygonum polygaloides ssp. confertiflorum Dense knotweed Annual herb  
Polygonum polygaloides ssp. esotericum Modoc county knotweed Annual herb  
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed Annual herb  
Polygonum sawatchense Knotweed Annual herb  
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb  
Polygonum sawatchense ssp. sawatchense Knotweed Annual, Perennial herb  
Polygonum spergulariiforme Spurry knotweed Annual herb  
Porterella carnosula Porterella Annual herb  
Potentilla rivalis Brook cinquefoil Annual, Perennial herb  
Poteridium annuum Western burnet Annual, Perennial herb  
Pseudobahia peirsonii San joaquin adobe sunburst Annual herb  
Psilocarphus brevissimus Woolly marbles Annual herb  
Psilocarphus brevissimus var. brevissimus Woolly heads Annual herb  
Psilocarphus oregonus Woolly marbles Annual herb  
Psilocarphus tenellus Slender woolly heads Annual herb  
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb  
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. parviflorus Small flowered hooked fruit buttercup Annual, Perennial herb  
Ranunculus uncinatus var. uncinatus Woodland buttercup Annual, Perennial herb  
Rigiopappus leptocladus Wire weed Annual herb  
Rorippa curvipes var. truncata Blunt yellow cress Annual herb  
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb  
Rorippa palustris ssp. palustris Bog yellowcress Annual, Perennial herb  
Rorippa palustris var. occidentalis Western bog yellow cress Annual, Perennial herb  
Rotala ramosior Lowland rotala Annual herb  
Rumex fueginus Golden dock Annual, Perennial herb  
Rumex maritimus Golden dock Annual, Perennial herb  
Rumex persicarioides Golden dock Annual, Perennial herb  
Sagina decumbens Trailing pearlwort Annual herb  
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb  
Saxifraga bryophora Bud saxifrage Annual herb  
Sclerolinon digynum Digynum flax Annual herb  
Scribneria bolanderi Scribneria Annual grass  
Sedum radiatum Coast range stonecrop Annual herb  
Silene antirrhina Sleepy catch fly Annual herb  
Silene californica California indian pink Annual herb 2
Solanum americanum White nightshade Annual, Perennial herb 2
Spirodela punctata Dotted duckmeat Annual, Perennial herb  
Stellaria nitens Shining chickweed Annual herb  
Stephanomeria paniculata Stiff branched stephanomeria Annual herb  
Stephanomeria virgata Twiggy wreath plant Annual herb 1
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb  
Streptanthus polygaloides Milkwort jewelflower 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  
Suaeda calceoliformis Horned sea blite Annual herb 1
Suaeda occidentalis Western horned sea blite Annual herb 1
Swertia perennis Star green gentian Annual herb  
Symphyotrichum frondosum Short rayed alkali aster Annual herb  
Symphyotrichum hendersonii Henderson's aster Annual herb  
Symphyotrichum subspicatum Douglas aster Annual herb 9
Tetrapteron graciliflorum Hill sun cup Annual herb  
Thysanocarpus curvipes Common fringe pod Annual herb 2
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb  
Thysanocarpus radians Showy fringe pod Annual herb 1
Tonella tenella Small flowered tonella Annual herb  
Trichostema lanceolatum Vinegarweed Annual herb 2
Trichostema oblongum Mountain bluecurls Annual herb  
Trichostema simulatum Siskiyou bluecurls Annual herb  
Trifolium albopurpureum Indian clover Annual herb 2
Trifolium albopurpureum var. dichotomum Clover Annual herb  
Trifolium cyathiferum Cup clover Annual herb  
Trifolium dichotomum Branched indian clover Annual herb  
Trifolium gracilentum Pin point clover Annual herb 4
Trifolium microcephalum Small head clover Annual herb 4
Trifolium obtusiflorum Creek clover Annual herb 5
Trifolium variegatum Variegated clover Annual herb 1
Trifolium variegatum var. major Large variegated clover Annual herb 1
Trifolium variegatum var. variegatum Variegated clover Annual herb  
Trifolium willdenovii Tomcat clover Annual herb 8
Triodanis perfoliata Clasping venus looking glass Annual herb 1
Uropappus lindleyi Silver puffs Annual herb 1
Utricularia minor Lesser bladderwort Annual herb  
Verbena bracteata Bracted verbena Annual, Perennial herb  
Veronica peregrina Neckweed Annual herb  
Veronica peregrina ssp. xalapensis Speedwell Annual herb  
Vulpia microstachys Fescue Annual grass 6
Vulpia microstachys var. ciliata Eastwood fescue Annual grass  
Vulpia microstachys var. confusa Tracy's fescue Annual grass  
Vulpia microstachys var. microstachys Small fescue Annual grass  
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass  
Xanthium strumarium Cocklebur Annual herb  
Yabea microcarpa Hedge parsley Annual herb  
Zeltnera davyi Davy's centaury Annual herb 1
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2
Zeltnera venusta Charming centaury Annual herb  
  Lifeform: Biennial2 plants
Descurainia incisa ssp. incisa Mountain tansy mustard Biennial herb  
Erigeron divergens Diffuse daisy Biennial, Perennial herb 4
  Lifeform: Perennial2288 plants
  Lifeform: Fern79 plants
Adiantum aleuticum Five finger fern Fern 9
Adiantum capillus-veneris Venus hair Fern 14
Adiantum shastense Shasta adiantum Fern  
Aspidotis densa Lace fern Fern 1
Asplenium septentrionale Northern spleenwort Fern (rhizomatous)  
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
Azolla mexicana Mexican mosquito fern Fern  
Azolla microphylla Mexican mosquito fern Fern  
Botrychium crenulatum Scalloped moonwort Fern (rhizomatous)  
Botrychium minganense Mingan moonwort Fern (rhizomatous)  
Botrychium montanum Western goblin Fern (rhizomatous)  
Botrychium multifidum Common grapefern Fern  
Botrychium pinnatum Northwestern moonwort Fern (rhizomatous)  
Botrychium pumicola Crater lake grapefern Fern  
Botrychium simplex Little grape fern Fern  
Botrychium simplex var. compositum Little grapefern Fern  
Botrychium simplex var. simplex Least moonwort Fern  
Botrychium virginianum Rattlesnake fern Fern  
Botrypus virginianus Rattlesnake fern Fern  
Cheilanthes gracillima Lace lip fern Fern 1
Cheilanthes intertexta Coastal lipfern Fern  
Cryptogramma acrostichoides American parsley fern Fern  
Cryptogramma cascadensis Cascade parsely fern Fern  
Cystopteris fragilis Brittle fern Fern 1
Dryopteris arguta Wood fern Fern 7
Dryopteris expansa Spreading wood fern Fern 4
Equisetum arvense Common horsetail Fern 6
Equisetum hyemale Scouringrush horsetail Fern 31
Equisetum hyemale ssp. affine Giant scouring rush Fern 7
Equisetum hyemale var. affine Scouringrush horsetail Fern 4
Equisetum laevigatum Smooth scouring rush Fern 2
Equisetum telmateia Giant horsetail Fern 3
Equisetum telmateia ssp. braunii Giant horsetail Fern 1
Equisetum telmateia var. braunii Giant horsetail Fern 1
Isoetes bolanderi Bolander's quillwort Fern  
Isoetes bolanderi var. pygmaea Bolander's quillwort Fern  
Isoetes echinospora Spiny spored quillwort Fern  
Isoetes howellii Quillwort Fern  
Isoetes nuttallii Nuttall's quillwort Fern  
Isoetes occidentalis Western quillwort Fern  
Isoetes tenella Spiny spore quillwort Fern  
Marsilea vestita Hairy waterclover Fern 6
Marsilea vestita ssp. vestita Hairy pepperwort Fern 5
Myriopteris gracillima Lace lip fern Fern 1
Myriopteris intertexta Coastal lip fern Fern  
Ophioglossum pusillum Northern adder's tongue Fern (rhizomatous)  
Pellaea brachyptera Sierra cliff brake Fern  
Pellaea breweri Brewer's cliff brake Fern  
Pellaea mucronata Bird's foot fern Fern 2
Pentagramma triangularis Gold back fern Fern 3
Pentagramma triangularis ssp. triangularis Gold back fern Fern  
Polypodium californicum California polypody Fern 12
Polypodium calirhiza Licorice fern Fern 3
Polypodium glycyrrhiza Licorice fern Fern 8
Polypodium hesperium Western polypody Fern  
Polystichum californicum California sword fern Fern  
Polystichum imbricans Narrow leaved sword fern Fern 1
Polystichum imbricans ssp. curtum Cliff sword fern Fern  
Polystichum imbricans ssp. imbricans Rock sword fern Fern  
Polystichum kruckebergii Kruckeberg's sword fern Fern (rhizomatous)  
Polystichum lemmonii Lemmon's sword fern Fern 1
Polystichum lonchitis Holly fern Fern (rhizomatous)  
Polystichum munitum Western sword fern Fern 43
Polystichum scopulinum Mountain holly fern Fern  
Pteridium aquilinum Western brackenfern Fern 5
Pteridium aquilinum var. pubescens Western bracken fern Fern  
Selaginella densa Lesser spikemoss Fern (mosslike)  
Selaginella densa var. scopulorum Rocky mountain spike moss Fern (mosslike)  
Selaginella wallacei Wallace's spike moss Fern (mosslike)  
Thelypteris nevadensis Sierra marsh fern Fern  
Woodsia oregana Cliff fern Fern  
Woodsia scopulina Cliff fern Fern  
Woodwardia fimbriata Western chain fern Fern 31
  Lifeform: Shrub365 plants
Acer circinatum Vine maple Tree, Shrub 33
Acer glabrum Mountain maple Tree, Shrub 11
Acer glabrum var. diffusum Mountain maple Tree, Shrub  
Acer glabrum var. glabrum Rocky mountain maple Tree, Shrub  
Acer glabrum var. greenei Greene's mountain maple Tree, Shrub  
Acer glabrum var. torreyi Torrey's mountain maple Tree, Shrub  
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. pumila Dwarf service berry Shrub  
Amelanchier alnifolia var. semiintegrifolia Service berry Shrub  
Amelanchier pallida Pallid service berry Shrub 3
Amelanchier utahensis Pale leaved serviceberry Shrub 10
Arctostaphylos Xknightii Hybrid manzanita Shrub  
Arctostaphylos glandulosa Eastwood manzanita Shrub 6
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub  
Arctostaphylos hispidula Howell's manzanita Shrub  
Arctostaphylos klamathensis Klamath manzanita Shrub  
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 patula Green leaf manzanita Shrub 14
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
Artemisia arbuscula Black sagebrush Shrub 6
Artemisia arbuscula ssp. arbuscula Low sagebrush Shrub 1
Artemisia arbuscula ssp. thermopola Warm springs low sagebrush Shrub  
Artemisia cana Silver sagebrush Shrub 5
Artemisia cana ssp. bolanderi Bolander's silver sagebrush Shrub  
Artemisia nova Black sagebrush Shrub 4
Artemisia tridentata Common sagebrush Shrub 26
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8
Berberis aquifolium Mountain grape Shrub 46
Berberis aquifolium var. aquifolium Oregon grape Shrub 36
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3
Berberis aquifolium var. repens Creeping oregon grape Shrub 30
Berberis nervosa Oregon grape Shrub 14
Berberis pinnata Shiny leaf mahonia Shrub 8
Betula glandulosa Resin birch Shrub 6
Betula occidentalis Water birch Tree, Shrub 22
Cassiope mertensiana Western moss heather Shrub 1
Cassiope mertensiana ssp. californica California moss heather Shrub  
Ceanothus Xarcuatus Shrub  
Ceanothus Xlorenzenii Whitethorn x tobacco brush Tree, 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 incanus Coast whitethorn Shrub 1
Ceanothus integerrimus Deer brush Shrub 15
Ceanothus integerrimus var. integerrimus Deer brush Shrub  
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15
Ceanothus lemmonii Lemmon's ceanothus Shrub 3
Ceanothus pinetorum Kern ceanothus Shrub  
Ceanothus prostratus Mahala mats Shrub 10
Ceanothus prostratus var. laxus Large leaved carpet Shrub 10
Ceanothus prostratus var. prostratus Mahala mat Shrub  
Ceanothus pumilus Siskiyou mat Shrub  
Ceanothus sanguineus Red stem ceanothus Shrub 5
Ceanothus thyrsiflorus Blueblossom Tree, Shrub 42
Ceanothus tomentosus Woolly leaf ceanothus Shrub 7
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
Cercis occidentalis Western redbud Tree, Shrub 66
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2
Cercocarpus betuloides var. macrourus Few flowered mountain mahogany Tree, Shrub  
Cercocarpus ledifolius Desert mountainmahogany Tree, Shrub 18
Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany Tree, Shrub  
Cercocarpus ledifolius var. intermontanus Curl leaved mountain mahogany Tree, Shrub  
Cercocarpus ledifolius var. ledifolius Curl leaf mountain mahogany Tree, Shrub  
Chamaebatiaria millefolium Fern bush Shrub 6
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 humilis Truckee rabbitbrush Shrub  
Chrysothamnus nauseosus Common rabbitbrush Shrub 25
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub  
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub  
Chrysothamnus parryi Parry's rabbit brush Shrub  
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub  
Chrysothamnus viscidiflorus Green rabbitbrush Shrub 5
Chrysothamnus viscidiflorus ssp. latifolius Sticky leaved rabbitbrush Shrub  
Chrysothamnus viscidiflorus ssp. viscidiflorus Sticky leaved rabbitbrush Shrub  
Cornus glabrata Brown dogwood Tree, Shrub 10
Cornus nuttallii Mountain dogwood Shrub 25
Cornus sericea American dogwood Shrub 43
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 11
Crataegus douglasii Douglas' hawthorn Tree, Shrub 12
Crataegus gaylussacia Klamath hawthorn Tree, Shrub 3
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3
Cupressus macnabiana Macnab's cypress Tree, Shrub 7
Dasiphora fruticosa Shrubby cinquefoil Shrub 13
Ericameria bloomeri Bloomer's goldenbrush Shrub  
Ericameria greenei Greene's goldenbush Shrub 1
Ericameria nauseosa Rubber rabbitbrush Shrub 25
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub  
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub  
Ericameria parryi Parry's rabbitbrush Shrub  
Ericameria parryi var. latior Parry's rabbitbrush Shrub  
Ericameria pinifolia Pine bush Shrub 4
Ericameria suffruticosa Heath goldenrod Shrub  
Erigeron concinnus Navajo fleabane Shrub (stem succulent)  
Erigeron concinnus var. concinnus Shaggy daisy Shrub (stem succulent)  
Eriodictyon californicum Yerba santa Shrub 11
Eriogonum congdonii Congdon's buckwheat Shrub  
Eriogonum marifolium Marum leaved buckwheat Shrub  
Eriogonum marifolium var. cupulatum Marum leaved buckwheat Shrub  
Eriogonum marifolium var. marifolium Marum leaved buckwheat Shrub  
Eriogonum microthecum Slender buckwheat Shrub  
Eriogonum microthecum var. ambiguum Obscure buckwheat Shrub  
Eriogonum microthecum var. laxiflorum Bush eriogonum Shrub  
Eriogonum nudum Naked buckwheat Shrub 15
Eriogonum nudum var. nudum Nude buckwheat Shrub 1
Eriogonum nudum var. oblongifolium Oblong leaved buckwheat Shrub 1
Euonymus occidentalis Western burning bush Tree, Shrub 7
Euonymus occidentalis var. occidentalis Western burning bush Tree, Shrub 1
Frangula californica California coffeeberry Shrub 50
Frangula californica ssp. californica California coffeeberry Shrub 43
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. modocensis Modoc buckthorn Shrub  
Frangula rubra ssp. obtusissima Obtuse buckthorn Shrub  
Frangula rubra ssp. rubra Red buckthorn Shrub 3
Frangula rubra ssp. yosemitana Yosemite buckthorn Shrub  
Fraxinus dipetala Two petaled ash Tree, Shrub 7
Fraxinus jonesii California ash Tree, Shrub 7
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 flavescens Ashy silk tassel Shrub 1
Garrya fremontii Fremont's silk tassel Shrub 5
Gaultheria humifusa Alpine wintergreen Shrub  
Gaultheria ovatifolia Western wintergreen Shrub 1
Gaultheria shallon Salal Shrub 25
Glossopetalon spinescens Nevada greasewood Shrub  
Glossopetalon spinescens var. aridum Spiny greasebush Shrub  
Grayia spinosa Hop sage Shrub 7
Hesperocyparis macnabiana Macnab cypress Tree, Shrub 7
Heteromeles arbutifolia Toyon Shrub 64
Holodiscus discolor Oceanspray Shrub 42
Holodiscus discolor var. discolor Oceanspray Shrub 2
Holodiscus discolor var. glabrescens Rock spiraea Shrub 40
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1
Holodiscus microphyllus Oceanspray Shrub 40
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40
Juniperus californica California juniper Shrub 4
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
Kalmia polifolia Mountain laurel Shrub 2
Kalmia polifolia ssp. microphylla Bog laurel Shrub 2
Kalmia polifolia ssp. polifolia Mountain laurel Shrub 1
Keckiella breviflora Gaping keckiella Shrub 4
Keckiella breviflora var. breviflora Gaping penstemon Shrub  
Keckiella corymbosa Red beardtongue Shrub 2
Keckiella lemmonii Lemmon's keckiella Shrub  
Ledum glandulosum Western labrador tea Shrub 1
Leptodactylon californicum Prickly phlox Shrub 5
Leptodactylon pungens Prickly phlox Shrub  
Leucothoe davisiae Sierra laurel Shrub 2
Linanthus californicus Prickly phlox Shrub 5
Linanthus pungens Granite prickly phlox Shrub  
Lithocarpus densiflorus Tanbark oak Tree, Shrub 14
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Lithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Lonicera ciliosa Orange honeysuckle Vine, Shrub 10
Lonicera conjugialis Purpleflower honeysuckle Shrub 3
Lonicera hispidula Pink honeysuckle Vine, Shrub 33
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5
Lonicera involucrata Coast twinberry Shrub 42
Lonicera involucrata var. involucrata Twinberry Shrub 3
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 albifrons var. collinus Silver bush lupine Shrub 8
Monardella follettii Follett's monardella Shrub 1
Notholithocarpus densiflorus Tanoak Tree, Shrub 12
Notholithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3
Notholithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4
Oemleria cerasiformis Oso berry Shrub 18
Opuntia fragilis Brittle prickly pear Shrub (stem succulent) 4
Paxistima myrsinites Oregon boxwood Shrub 5
Penstemon sudans Volcanic beardtongue Shrub (stem succulent)  
Philadelphus lewisii Wild mock orange Shrub 47
Philadelphus lewisii ssp. gordonianus Gordon's wild mock orange Shrub 47
Phoradendron bolleanum Bollean mistletoe Shrub (parasitic)  
Phoradendron juniperinum Mistletoe Shrub (parasitic)  
Phoradendron leucarpum American mistletoe Shrub (parasitic)  
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)  
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)  
Phoradendron serotinum Mistletoe Shrub (parasitic)  
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)  
Phoradendron villosum Hairy mistletoe Shrub (parasitic)  
Phyllodoce breweri Brewer's mountain heather Shrub  
Phyllodoce empetriformis Klamath mountain heather Shrub 4
Physocarpus capitatus Ninebark Shrub 40
Potentilla fruticosa Shrubby cinquefoil Shrub 13
Prunus emarginata Bitter cherry Tree, Shrub 15
Prunus subcordata Sierra plum Tree, Shrub 4
Prunus virginiana Chokecherry Tree, Shrub 29
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8
Ptelea crenulata Hop tree Tree, Shrub 4
Purshia tridentata Antelope bush Shrub 18
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18
Quercus sadleriana Sadler oak Shrub 4
Quercus vacciniifolia Huckleberry oak Shrub 5
Rhamnus californica Coffee berry Shrub 61
Rhamnus californica ssp. californica California coffeeberry Shrub 10
Rhamnus californica ssp. occidentalis Wetern california coffeeberry Shrub 2
Rhamnus ilicifolia Evergreen buckthorn Shrub 17
Rhamnus purshiana Cascara sagrada Tree, Shrub 17
Rhamnus rubra Sierra coffeeberry Shrub 3
Rhamnus rubra ssp. rubra Sierra coffeeberry Shrub  
Rhododendron columbianum Western labrador tea Shrub 1
Rhododendron macrophyllum California rose bay Shrub 9
Rhododendron occidentale Western azalea Tree, Shrub 22
Rhododendron occidentale var. paludosum Western azalea Tree, Shrub  
Rhus aromatica Fragrant sumac Shrub 32
Rhus trilobata Skunkbrush Shrub 32
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7
Ribes aureum Golden currant Shrub 50
Ribes aureum var. aureum Golden currant Shrub 6
Ribes binominatum Trailing gooseberry Shrub  
Ribes bracteosum Stink currant Shrub 6
Ribes cereum Wax currant Shrub 16
Ribes cereum var. cereum Wax currant Shrub 2
Ribes divaricatum Spreading gooseberry Shrub 9
Ribes divaricatum var. parishii Parish's gooseberry Shrub  
Ribes hudsonianum Northern black currant Shrub  
Ribes hudsonianum var. petiolare Western black currant Shrub  
Ribes inerme White stemmed gooseberry Shrub 2
Ribes inerme var. inerme White stemmed gooseberry Shrub  
Ribes inerme var. klamathense Klamath gooseberry Shrub  
Ribes lacustre Swamp currant Shrub 6
Ribes lobbii Gummy gooseberry Shrub 2
Ribes marshallii Marshall's gooseberry Shrub  
Ribes montigenum Mountain gooseberry Shrub 2
Ribes nevadense Mountain pink currant Shrub 11
Ribes quercetorum Oak gooseberry Shrub 2
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 54
Ribes sanguineum var. glutinosum Flowering currant Shrub 25
Ribes sanguineum var. sanguineum Red flowering currant Shrub 7
Ribes velutinum Desert gooseberry Shrub  
Ribes viscosissimum Sticky currant Shrub  
Ribes viscosissimum var. hallii Hall's sticky currant Shrub  
Rosa bridgesii Wood rose Shrub 1
Rosa californica California wild rose Shrub 52
Rosa gymnocarpa Wood rose Shrub 21
Rosa gymnocarpa var. serpentina Gasquet rose Shrub  
Rosa nutkana Nootka rose Shrub 17
Rosa nutkana ssp. macdougalii Nootka rose Shrub  
Rosa pinetorum Pine rose Shrub 1
Rosa pisocarpa Cluster rose Shrub 10
Rosa pisocarpa ssp. ahartii Ahart rose Shrub  
Rosa pisocarpa ssp. pisocarpa Cluster or pea rose Shrub  
Rosa spithamea Sonoma rose Shrub 1
Rosa woodsii Woods' rose Shrub 28
Rosa woodsii ssp. ultramontana Interior rose Shrub 4
Rosa woodsii var. gratissima Tehachapi rose Shrub 2
Rosa woodsii var. ultramontana Wild rose Shrub 4
Rosa yainacensis Cascade rose Shrub 1
Rubus glaucifolius Wax leaf raspberry Shrub  
Rubus lasiococcus Rough fruit berry Vine, Shrub  
Rubus leucodermis White bark raspberry Shrub 8
Rubus parviflorus Thimbleberry Vine, Shrub 38
Rubus parviflorus var. parviflorus Thimbleberry Vine, Shrub 1
Rubus ursinus California blackberry Vine, Shrub 38
Salix boothii Booth's willow Shrub  
Salix delnortensis Del norte willow Shrub  
Salix eastwoodiae Mountain willow Shrub 1
Salix exigua Narrowleaf willow Tree, Shrub 26
Salix exigua var. exigua Narrowleaf willow Tree, Shrub 2
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25
Salix geyeriana Geyer's willow Shrub 2
Salix hindsiana Sandbar willow Tree, Shrub 25
Salix hookeriana Coastal willow Tree, Shrub 10
Salix jepsonii Jepson's willow Shrub  
Salix lasiandra var. caudata Shining willow Shrub  
Salix lasiolepis Arroyo willow Tree, Shrub 23
Salix lasiolepis var. bigelovii Arroyo willow Tree, Shrub 23
Salix lemmonii Lemmon's willow Shrub 2
Salix ligulifolia Strapleaf willow Shrub  
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 sitchensis Coulter willow Tree, Shrub 14
Salvia dorrii Dorr's sage Shrub 10
Salvia dorrii var. dorrii Dorr's sage Shrub 2
Salvia dorrii var. incana Fleshy sage Shrub  
Salvia dorrii var. pilosa Hairy sage Shrub  
Sambucus melanocarpa Black elderberry Shrub 3
Sambucus mexicana Elderberry Tree, Shrub 40
Sambucus nigra Black elderberry Shrub 13
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60
Sambucus racemosa Red elderberry Shrub 30
Sambucus racemosa var. melanocarpa Rocky mountain elder Shrub 3
Sambucus racemosa var. microbotrys Red elderberry Shrub 3
Sambucus racemosa var. racemosa Red elderberry Shrub 5
Sarcobatus vermiculatus Greasewood Shrub 3
Shepherdia canadensis Russet buffaloberry Tree, Shrub 4
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
Sorbus scopulina var. scopulina Mountain ash Shrub  
Sorbus sitchensis Western mountain ash Tree, Shrub 5
Sorbus sitchensis var. grayi Sitka mountain ash Tree, Shrub  
Sorbus sitchensis var. sitchensis Sitka mountain ash Tree, Shrub  
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
Staphylea bolanderi Bladdernut Tree, Shrub 1
Symphoricarpos acutus Creeping snowberry Shrub 17
Symphoricarpos albus Common snowberry Shrub 41
Symphoricarpos albus var. laevigatus Snowberry Shrub 12
Symphoricarpos hesperius Creeping snowberry Shrub 17
Symphoricarpos mollis Snowberry Shrub 18
Symphoricarpos rotundifolius Mountain snowberry Shrub 3
Symphoricarpos rotundifolius var. parishii Parish's snowberry Shrub  
Symphoricarpos rotundifolius var. rotundifolius Snowberry Shrub  
Tetradymia canescens Gray horsebrush Shrub 1
Tetradymia glabrata Little leaf horsebrush Shrub  
Toxicodendron diversilobum Poison oak Vine, Shrub 7
Vaccinium cespitosum Dwarf bilberry Shrub 2
Vaccinium coccineum Siskiyou Mtns. huckleberry Shrub 5
Vaccinium deliciosum Cascade bilberry Shrub (stem succulent)  
Vaccinium membranaceum Thin leaf huckleberry Shrub 5
Vaccinium ovatum Evergreen huckleberry Shrub 38
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
Viburnum edule Squashberry Shrub 4
Vitis californica California wild grape Vine, Shrub 39
Whipplea modesta Modesty Vine, Shrub 7
  Lifeform: Tree74 plants
Abies Xshastensis Shasta red fir Tree  
Abies amabilis Lovely fir Tree 6
Abies concolor White fir Tree 22
Abies grandis Grand fir Tree 16
Abies lasiocarpa Subalpine fir Tree 11
Abies lasiocarpa var. lasiocarpa Subalpine fir Tree  
Abies magnifica Magnificant silver fir Tree 3
Abies magnifica var. magnifica California red fir Tree  
Abies magnifica var. shastensis Shasta red fir Tree  
Abies procera Noble fir Tree 14
Acer macrophyllum Bigleaf maple Tree 52
Acer negundo Boxelder Tree 30
Acer negundo var. californicum California box elder Tree 30
Acer negundo var. interius Boxelder Tree 27
Alnus rhombifolia White alder Tree 38
Arbutus menziesii Madrono Tree 36
Callitropsis bakeri Modoc cypress Tree 2
Callitropsis nootkatensis Alaska cedar Tree 10
Calocedrus decurrens Incense cedar Tree 40
Chamaecyparis lawsoniana Port orford cedar Tree 14
Cupressus bakeri Baker's cypress Tree 7
Cupressus lawsoniana Port orford cedar Tree 14
Cupressus nootkatensis Alaska cedar Tree 1
Fraxinus latifolia Oregon ash Tree 29
Hesperocyparis bakeri Baker's cypress Tree 7
Juglans californica var. hindsii Northern california black walnut Tree 13
Juglans hindsii Northern california black walnut Tree 13
Juniperus grandis Sierra juniper Tree  
Juniperus occidentalis Western juniper Tree 2
Juniperus occidentalis var. australis Sierra juniper Tree  
Juniperus occidentalis var. occidentalis Western juniper Tree 2
Picea breweriana Weeping spruce Tree 1
Picea engelmannii Engelmann spruce Tree 7
Pinus albicaulis Whitebark pine Tree 1
Pinus attenuata Knobcone pine Tree 6
Pinus balfouriana Foxtail pine Tree 1
Pinus balfouriana ssp. balfouriana Klamath foxtail pine Tree  
Pinus contorta Lodgepole pine Tree 30
Pinus contorta ssp. bolanderi Bolander's beach pine Tree 1
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
Pinus ponderosa var. ponderosa North plateau ponderosa pine Tree 2
Pinus ponderosa var. washoensis Washoe pine Tree  
Pinus sabiniana Gray pine Tree 28
Pinus washoensis Washoe pine Tree  
Populus balsamifera ssp. trichocarpa Black cottonwood Tree 27
Populus fremontii Fremont cottonwood Tree 32
Populus fremontii ssp. fremontii Cottonwood Tree 4
Populus tremuloides Quaking aspen Tree 28
Populus trichocarpa Black cottonwood Tree 27
Pseudotsuga menziesii Douglas fir Tree 31
Pseudotsuga menziesii var. menziesii Douglas fir Tree 4
Quercus Xmorehus Oracle oak Tree 1
Quercus chrysolepis Gold cup live oak Tree 24
Quercus chrysolepis var. nana Canyon live oak Tree 25
Quercus garryana Oregon oak Tree 24
Quercus garryana var. breweri Oregon oak Tree 2
Quercus garryana var. garryana Oregon oak Tree 1
Quercus garryana var. semota Oregon white oak Tree  
Quercus kelloggii California black oak Tree 24
Salix bebbiana Gray willow Tree 2
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
Taxus brevifolia California yew Tree 11
Taxus brevifolia var. brevifolia Tree 11
Taxus brevifolia var. reptaneta Pacific yew Tree 11
Tsuga heterophylla Western hemlock Tree 14
Tsuga mertensiana Patton spruce Tree 13
Umbellularia californica California bay Tree 40
  Lifeform: Vine2 plants
Cuscuta howelliana Boggs lake dodder Vine  
Rubus nivalis Snow dwarf bramble Vine  
 
Pink background indicates a plant is non-native.
! indicates a plant is potentially invasive.
NB: found in Siskiyou 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.