Modoc NF Illustrated Plant List

Achillea millefolium Common yarrow

native
Perennial herb

Achnatherum hymenoides Indian rice grass, Sand grass

native
Perennial grass

Achnatherum lemmonii Lemmon's needle grass

native
Perennial grass

Achnatherum lettermanii Letterman's needle grass

native
Perennial grass

Achnatherum nelsonii ssp. dorei Mountain needle grass

native
Perennial grass

Achnatherum nevadense Nevada needle grass

native
Perennial grass

Achnatherum occidentale Western needlegrass

native
Perennial grass

Achnatherum occidentale ssp. californicum California needle grass

native
Perennial grass

Achnatherum occidentale ssp. californicum

Achnatherum occidentale ssp. occidentale Western needle grass

native
Perennial grass

Achnatherum occidentale ssp. occidentale

Achnatherum occidentale ssp. pubescens Common western needle grass

native
Perennial grass

Achnatherum thurberianum Thurber's needle grass

native
Perennial grass

Aconitum columbianum Columbian monkshood, Monkshood

native
Perennial herb

Actaea rubra baneberry, Western baneberry

native
Perennial herb

Adenocaulon bicolor American trailplant, Trail plant

native
Perennial herb

Adonis aestivalis Summer pheasant's eye

non-native
Annual herb

Agastache parvifolia Small leaved horsemint, Smallleaf giant hyssop

native
Perennial herb

Agastache urticifolia Horse mint, Horsemint giant hyssop, Nettle leaf giant hyssop

native
Perennial herb

Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot

native
Perennial herb

Agoseris aurantiaca Orange agoseris, Orange flowered agoseris

native
Perennial herb

Agoseris glauca var. glauca Pale agoseris, Short beaked agoseris

native
Perennial herb

Agoseris heterophylla Annual agoseris, Annual mountain dandelion

native
Annual herb

Agoseris retrorsa Spear leaved agoseris, Spearleaf agoseris, Spearleaf mountain dandelion

native
Perennial herb

Agropyron desertorum Crested wheatgrass

non-native
Perennial grass

Agropyron repens Quack grass

non-native
Perennial grass

Agrostis exarata Spike bentgrass, Spike redtop

native
Perennial grass

Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop

non-native
Perennial grass

Agrostis humilis Mountain bent grass

• rare native
Perennial grass

Agrostis idahoënsis Colonial bentgrass, Idaho bentgrass

native
Perennial grass

Agrostis pallens Leafy bent grass, Diego bent grass, Seashore bentgrass

native
Perennial grass

Agrostis scabra Rough bentgrass, Ticklegrass

native
Perennial grass

Agrostis stolonifera Creeping bentgrass, Redtop

• invasive non-native
Perennial grass

Agrostis thurberiana Mountain bent grass

• rare native
Perennial grass

Agrostis variabilis Mountain bentgrass, Mountain redtop

native
Perennial grass

Alisma plantago-aquatica Northern water plantain

native
Perennial herb (aquatic)

Alisma triviale Northern water plantain

native
Perennial herb (aquatic)

Allium acuminatum Taper tipped onion, Tapertip onion

native
Perennial herb (bulb)

Allium atrorubens Dark red onion, Darkred onion

native
Perennial herb (bulb)

Allium bisceptrum Twincrest onion

native
Perennial herb (bulb)

Allium campanulatum Dusky onion, Sierra onion

native
Perennial herb (bulb)

Allium lemmonii Lemmon's onion

native
Perennial herb (bulb)

Allium parvum Dwarf onion, Small onion

native
Perennial herb (bulb)

Allium platycaule Broad stemmed onion, Broadstemmed onion, Flat stemmed onion

native
Perennial herb (bulb)

Allium validum Pacific mountain onion, Pacific onion, Swamp onion

native
Perennial herb (bulb)

Allophyllum gilioides ssp. violaceum Dense false gilia, Dense false gilyflower

native
Annual herb

Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick

native
Perennial herb (mycoparasitic)

Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail

native
Perennial grass

Alopecurus carolinianus Carolina foxtail

native
Annual grass

Alopecurus geniculatus Marsh foxtail, Water foxtail

native
Perennial grass

Alopecurus pratensis Meadow foxtail

• invasive non-native
Perennial grass

Alyssum alyssoides Pale alyssum, Small alyssum, Sweet alyssum

non-native
Annual herb

Alyssum desertorum Desert alyssum, Desert madwort

non-native
Annual herb

Alyssum minus var. micranthum Alyssum

non-native
Annual herb

Alyssum simplex Alyssum

non-native
Annual herb

Amaranthus californicus California amaranth, California pigweed

native
Annual herb

AMARANTHACEAE

Amelanchier alnifolia Saskatoon serviceberry, Service berry

native
Shrub

Amelanchier utahensis Pale leaved serviceberry, Service berry, Utah service berry

native
Shrub

Amsinckia menziesii var. intermedia Common fiddleneck

native
Annual herb

Amsinckia tessellata Bristly fiddleneck, Checker fiddleneck, Devil's lettuce

native
Annual herb

Anemone occidentalis Western anemone, Western pasque flower

native
Perennial herb

Angelica arguta Lyall's angelica

native
Perennial herb

Antennaria argentea Silver pussytoes, Silvery everlasting, Silvery pussytoes

native
Perennial herb

Antennaria dimorpha Gray cushion pussytoes, Low pussytoes

native
Perennial herb

Antennaria geyeri Geyer's pussytoes, Mountain pussytoes

native
Perennial herb

Antennaria luzuloides Rush pussytoes, Silvery brown pussytoes

native
Perennial herb

Antennaria rosea Rose pussytoes, Rosy everlasting, Rosy pussytoes

native
Perennial herb

Antennaria rosea ssp. con?nis Rose pussytoes, Rosy everlasting, Rosy pussytoes

native
Perennial herb

Antennaria rosea ssp. rosea Rosy pussytoes

native
Perennial herb

Antennaria stenophylla Alpine pussytoes, Rocky mountain pussytoes

native
Perennial herb

Apocynum androsaemifolium Bitter dogbane, Spreading dogbane

native
Perennial herb

Apocynum cannabinum Indian hemp, Indianhemp dogbane, Hemp Dogbane

native
Perennial herb

Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Arabis drummondii Drummond's rockcress

native
Perennial herb

Arabis glabra Tower rockcress

native
Perennial herb

Arabis hirsuta var. pycnocarpa Hairy fruit rock cress

native
Perennial herb

Arabis holboellii var. pinetorum Woodland rockcress

native
Perennial herb

Arabis holboellii var. retrofracta Reflexed rockcress

native
Perennial herb

$Arabis holboellii var. retrofracta$
© 2019 Steve Matson

$Arabis holboellii var. retrofracta$
© 2021 Steve Matson

Arabis lyallii var. lyallii Lyall's rockcress

native
Perennial herb

Arabis microphylla var. microphylla Small-leaved rock cress

• rare native
Perennial herb

Arabis platysperma var. howellii Howell's rockcress

native
Perennial herb

Arabis platysperma var. platysperma Elko rockcress

native
Perennial herb

Arabis pulchra Beautiful rockcress

native
Perennial herb

Arabis rectissima var. rectissima Bristly leaf rockcress

native
Perennial herb

Arabis suffrutescens var. suffrutescens Woody rockcress

native
Perennial herb

Arceuthobium americanum American dwarf mistletoe, Lodgepole dwarf mistletoe, Lodgepole pine dwarf mistletoe

native
Perennial herb (parasitic)

VISCACEAE

Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita

native
Shrub

Arctostaphylos patula Green leaf manzanita, Greenleaf manzanita

native
Shrub

Arenaria aculeata Prickly sandwort

native
Perennial herb

Arenaria congesta Ballhead Sandwort

native
Perennial herb

Arenaria congesta var. congesta Capitate sandwort

native
Perennial herb

Arenaria congesta var. simulans Capitate sandwort

native
Perennial herb

Arenaria congesta var. subcongesta Capitate sandwort

native
Perennial herb

Arenaria congesta var. suffrutescens Suffrutescent sandwort

native
Perennial herb

Arenaria kingii ssp. compacta King's smooth sandwort

native
Perennial herb

Arenaria kingii var. glabrescens King's smooth sandwort

native
Perennial herb

Arnica amplexicaulis Clasping arnica

native
Perennial herb

Arnica chamissonis ssp. foliosa Chamisso arnica

native
Perennial herb

Arnica cordifolia Heart leaved arnica, Heartleaf arnica

native
Perennial herb

Arnica dealbata Mock leopardbane

native
Perennial herb

Arnica fulgens Foothill arnica, Hillside arnica

• rare native
Perennial herb (rhizomatous)

Arnica fulgens var. sororia Soro arnica, Twin arnica

native
Perennial herb (rhizomatous)

Arnica latifolia Broadleaf arnica, Mountain arnica

native
Perennial herb

Arnica longifolia Longleaf arnica, Seep spring arnica

native
Perennial herb

Arnica mollis Cordilleran arnica, Cordillerean anica, Hairy arnica

native
Perennial herb

Arnica parryi Nodding arnica, Parry's arnica

native
Perennial herb

Arnica sororia Soro arnica, Twin arnica

native
Perennial herb (rhizomatous)

Arrhenatherum elatius Tall oatgrass

non-native
Perennial grass

Artemisia arbuscula ssp. arbuscula Dwarf sagebrush, Little sagebrush, Low sagebrush

native
Shrub

Artemisia biennis Biennial sagewort

non-native
Annual, Perennial herb

Artemisia cana ssp. bolanderi Bolander silver sagebrush, Bolander's silver sagebrush

native
Shrub

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Artemisia ludoviciana Mugwort, Silver wormwood

native
Perennial herb

Artemisia ludoviciana ssp. candicans Gray mugwort, White sagebrush

native
Perennial herb

Artemisia michauxiana Lemon sagewort, Michally sagewort

native
Perennial herb

Artemisia nova Black sagebrush

native
Shrub

Artemisia tridentata Big sagebrush, Common sagebrush

native
Shrub

Artemisia tridentata ssp. spiciformis Snowfield sagebrush

native
Perennial herb

Artemisia tridentata ssp. tridentata Basin big sagebrush

native
Shrub

Artemisia tridentata ssp. vaseyana Mountain big sagebrush, Mountain sagebrush

native
Shrub

Artemisia tridentata ssp. wyomingensis Wyoming big sagebrush, Wyoming sagebrush

native
Shrub

Asclepias cordifolia Heart leaf milkweed, Heartleaf milkweed, Purple milkweed

native
Perennial herb

Asclepias fascicularis Narrow leaf milkweed

native
Perennial herb

Asclepias speciosa Showy milkweed

native
Perennial herb

Asperugo procumbens German madwort

non-native
Annual herb

Astragalus anxius Troubled milk vetch, Troubled milkvetch

• rare native
Perennial herb

Astragalus curvicarpus var. curvicarpus Coiled locoweed, Curved pod milk vetch, Curvepod milkvetch

native
Perennial herb

Astragalus inversus Susanville milk vetch, Susanville milkvetch

• rare native
Perennial herb

Astragalus lemmonii Lemmon's milk vetch, Lemmon's milkvetch

• rare native
Perennial herb

Astragalus lentiginosus var. lentiginosus Freckled milk vetch, Freckled milkvetch

native
Annual, Perennial herb

Astragalus lentiginosus var. lentiginosus

Astragalus pulsiferae var. coronensis Modoc plateau milk vetch

• rare native
Perennial herb

Astragalus pulsiferae var. suksdor?i Ames' milkvetch, Pulsifer's milk vetch

native
Perennial herb

Astragalus purshii var. purshii Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus purshii var. tinctus Pursh's milk vetch, Woollypod milkvetch

native
Perennial herb

Astragalus whitneyi Balloonpod milkvetch, Whitney's milk vetch

native
Perennial herb

Astragalus whitneyi var. confusus Conelike milkvetch, Whitney's milk vetch

native
Perennial herb

Athyrium americanum American alpine lady fern

native
Fern

ATHYRIACEAE

Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus

native
Annual herb

Balsamorhiza hookeri var. hirsuta Hairy balsam root

native
Perennial herb

Balsamorhiza hookeri var. lagocephala Hooker's balsam root, Hooker's balsamroot

native
Perennial herb

Balsamorhiza macrolepis var. platylepis Hooker's balsam root, Hooker's balsamroot

native
Perennial herb

Balsamorhiza sagittata Arrow leaved balsam root, Arrow leaved balsamroot, Arrowleaf balsamroot

native
Perennial herb

Balsamorhiza serrata Serrate balsam root, Serrate balsamroot

• rare native
Perennial herb

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Beckmannia syzigachne American sloughgrass, Slough grass

native
Annual grass

Berula erecta Cut leaved water parsnip, Cutleaf water parsnip, Cutleaf waterparsnip

native
Perennial herb

Betula glandulosa Resin birch; scrub birch

• rare native
Shrub

Betula glandulosa var. glandulifera Resin birch; scrub birch

• rare native
Shrub

Betula occidentalis Water birch

native
Tree, Shrub

Betula pumila var. glandulifera Resin birch; scrub birch

• rare native
Shrub

Bidens tripartita Threelobe beggarticks, Tickseed

non-native
Annual herb

Blepharipappus scaber Blepharipappus, Rough blepharipappus, Rough eyelashweed

native
Annual herb

Boschniakia strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Botrychium ascendens Upswept moonwort

• rare native
Fern (rhizomatous)

Botrychium crenulatum Scalloped moonwort

• rare native
Fern (rhizomatous)

Botrychium lunaria Common moonwort, Moonwort grapefern

• rare native
Fern (rhizomatous)

Botrychium minganense Mingan moonwort

• rare native
Fern (rhizomatous)

Botrychium montanum Western goblin

• rare native
Fern (rhizomatous)

Botrychium pinnatum Northwestern moonwort

• rare native
Fern (rhizomatous)

Botrychium simplex Little grape fern, Little grapefern, Yosemite moonwort

native
Fern

Brassica rapa Common mustard, Field mustard, Rape mustard

• invasive non-native
Annual herb

Brickellia greenei Greene brickellbush, Greene's brickelbush, Greene's brickellia

native
Perennial herb

Brickellia microphylla Little leaved brickellia, Littleleaf brickellbush

native
Shrub

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

• invasive non-native
Annual grass

Briza minor Little quaking grass, Little quakinggrass, Little rattlesnake grass

non-native
Annual grass

Brodiaea coronaria ssp. coronaria Crown brodiaea, Early harvest brodiaea, Harvest brodiaea

native
Perennial herb (bulb)

Brodiaea elegans ssp. elegans Harvest brodiaea

native
Perennial herb

Bromus arvensis Field brome, Soft brome

non-native
Annual grass

Bromus briziformis Rattlesnake brome, Rattlesnake chess

non-native
Annual grass

Bromus carinatus California brome

native
Perennial grass

Bromus inermis ssp. inermis Smooth brome

non-native
Perennial grass

Bromus japonicus Downy sheathed cheat, Hairy chess, Japanese brome

• invasive non-native
Annual grass

Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome

native
Perennial grass

Bromus orcuttianus Orcutt's brome grass

native
Annual grass

Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess

• invasive non-native
Annual grass

Calamagrostis canadensis Bluejoint reedgrass, Canada reedgrass

native
Perennial grass

Calamagrostis stricta Narrow hairgrass

native
Perennial grass (rhizomatous)

Calamagrostis stricta ssp. inexpansa Narrow spiked reedgrass, Northern reedgrass, Thurber's reed grass

native
Perennial grass (rhizomatous)

Calandrinia ciliata red maids, Calandrinia

native
Annual herb

Callitriche marginata California water starwort, Winged water starwort

native
Annual herb (aquatic)

Callitriche palustris Vernal water-starwort

native
Annual herb

Callitriche verna Vernal water-starwort

native
Annual herb

Calocedrus decurrens Incense cedar, Post cedar, White cedar

native
Tree

Calochortus caeruleus Blue star tulip, Beavertail-Grass

native
Perennial herb

Calochortus leichtlinii Leichtlin's mariposa lily, Smokey mariposa

native
Perennial herb

Calochortus longebarbatus var. longebarbatus Long haired star tulip

• rare native
Perennial herb (bulb)

Calochortus longebarbatus var. longebarbatus

Calochortus macrocarpus Sagebrush mariposa lily

native
Perennial herb

Caltha leptosepala ssp. howellii White marsh marigold

native
Perennial herb

Caltha leptosepala var. bi?ora White marsh marigold

native
Perennial herb

Calyptridium umbellatum Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Calystegia occidentalis ssp. occidentalis Chaparral false bindweed, Modoc morning glory, Western morning glory

native
Perennial herb

CONVOLVULACEAE

Calystegia occidentalis ssp. occidentalis

Camassia quamash ssp. brevi?ora Camas, Common camas

native
Perennial herb

AGAVACEAE

Camissonia andina Plateau evening primrose

native
Annual herb

Camissonia subacaulis Long leaved suncup

native
Perennial herb

Camissonia tanacetifolia ssp. tanacetifolia Tansy leaf evening primrose

native
Perennial herb

Camissonia tanacetifolia ssp. tanacetifolia

Campanula scabrella Rough harebell

• rare native
Perennial herb (rhizomatous)

Cardamine breweri var. breweri Brewer's bitter cress, Brewer's bittercress

native
Perennial herb

Cardamine occidentalis Big western bittercress, Western toothwort

native
Perennial herb

Cardaria chalepensis Lens-podded hoary cress

• invasive non-native
Annual, Perennial herb

Cardaria pubescens Hairy whitetop

• invasive non-native
Perennial herb

Carduus nutans Musk thistle, Nodding plumeless thistle

• invasive non-native
Perennial herb

Carex abrupta Abrupt beaked sedge

native
Perennial grasslike herb

Carex angustata Narrow leaved sedge, Wide fruit sedge

native
Perennial grasslike herb

Carex aquatilis var. aquatilis Water sedge

native
Perennial grasslike herb

Carex athrostachya Slender beak sedge, Slender leaved sedge

native
Perennial grasslike herb

Carex aurea Golden fruited sedge, Golden sedge

native
Perennial grasslike herb

Carex brainerdii Brainerd's sedge

native
Perennial grasslike herb

Carex cusickii Cusick's sedge

native
Perennial grasslike herb

Carex deweyana ssp. leptopoda Slender-footed sedge

native
Perennial grasslike herb

Carex diandra Lesser panicled sedge

native
Perennial grasslike herb

Carex douglasii Douglas sedge, Douglas' sedge

native
Perennial grasslike herb

Carex exserta Shorthair sedge, Thread leaf sedge

native
Perennial grasslike herb

Carex geyeri Elk sedge, Elkgrass, Geyer's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex halliana Hall's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex heteroneura var. epapillosa Different nerve sedge, Variable nerved sedge

native
Perennial grasslike herb

Carex heteroneura var. heteroneura Different nerve sedge, Variable nerved sedge

native
Perennial grasslike herb

Carex hoodii Hood's sedge

native
Perennial grasslike herb

Carex illota Sheep sedge, Small headed sedge

native
Perennial grasslike herb

Carex inops ssp. inops Long stolon sedge

native
Perennial grasslike herb

Carex integra Smooth beak sedge

native
Perennial grasslike herb

Carex jonesii Jones' sedge

native
Perennial grasslike herb

Carex lasiocarpa Slender sedge, Woolly fruited sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex lenticularis var. impressa Few ribbed sedge, Lakeshore sedge

native
Perennial grasslike herb

Carex lenticularis var. lipocarpa Fat fruited sedge, Kellogg's sedge

native
Perennial grasslike herb

Carex leporinella Sierra hare sedge

native
Perennial grasslike herb

Carex leptopoda Slender-footed sedge

native
Perennial grasslike herb

Carex limosa Mud sedge, Shore sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex luzulina Wood rush sedge, Woodrush sedge

native
Perennial grasslike herb

Carex luzulina var. ablata Wood rush sedge, Woodrush sedge

native
Perennial grasslike herb

Carex microptera Small wing sedge

native
Perennial grasslike herb

Carex multicaulis Forest sedge, Many stemmed sedge

native
Perennial grasslike herb

Carex multicostata Many ribbed sedge, Manyrib sedge

native
Perennial grasslike herb

Carex nebrascensis Nebraska sedge

native
Perennial grasslike herb

Carex oregonensis Hall's sedge

• rare native
Perennial grasslike herb (rhizomatous)

Carex pachystachya Chamisso sedge, Thick headed sedge

native
Perennial grasslike herb

Carex pellita Woolly sedge

native
Perennial grasslike herb

Carex petasata Liddon sedge, Liddon's sedge

• rare native
Perennial grasslike herb

Carex raynoldsii Raynold's sedge, Raynolds' sedge

native
Perennial grasslike herb

Carex rossii Ross sedge, Ross' sedge

native
Perennial grasslike herb

Carex scopulorum var. bracteosa Bracted sedge, Crater sedge, Mountain sedge

native
Perennial grasslike herb

Carex simulata Analogue sedge, Short beaked sedge

native
Perennial grasslike herb

Carex spectabilis Showy sedge

native
Perennial grasslike herb

Carex subfusca Brown sedge, Rusty slender sedge

native
Perennial grasslike herb

Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge

native
Perennial grasslike herb

Carex utriculata Beaked sedge, Northwest territory sedge

native
Perennial grasslike herb

Carex vallicola Valley sedge

• rare native
Perennial grasslike herb

Carex vernacula Native sedge

native
Perennial grasslike herb

Carex vesicaria Blister sedge

native
Perennial grasslike herb

Carex vesicaria var. vesicaria Blister sedge

native
Perennial grasslike herb

Carex whitneyi Whitney's sedge

native
Perennial grasslike herb

Castilleja applegatei Pine indian paintbrush, Wavy leaf paintbrush, Wavy leaved paintbrush

native
Perennial herb

Castilleja applegatei ssp. pinetorum Pine wavy leaf paintbrush, Wavy leaved indian paintbrush

native
Perennial herb

Castilleja arachnoidea Cobwebby indian paintbrush, Cobwebby paintbrush

native
Perennial herb

Castilleja brevistyla Short style owl's clover, Shortstyle indian paintbrush

native
Annual herb

Castilleja campestris ssp. campestris Field owl clover, Vernal pool indian paintbrush, Yellow owl's clover

native
Annual herb

Castilleja gleasoni Mt. Gleason paintbrush

• rare native
Perennial herb

Castilleja lacera Cut leaved owl's clover, Cutleaf indian paintbrush, Foothill owl's clover

native
Annual herb

Castilleja linariifolia Desert paintbursh, Wyoming paintbrush

native
Perennial herb

Castilleja miniata ssp. miniata Giant red indian paintbrush, Scarlet indian paintbrush

native
Perennial herb

Castilleja pilosa Parrothead indian paintbrush, Pilose paintbrush

native
Perennial herb

Castilleja pruinosa Frosted indian paintbrush, Frosted paintbrush

native
Perennial herb (hemiparasitic)

Castilleja tenuis Hairy indian paintbrush, Hairy owl's clover

native
Annual herb

Castilleja uliginosa Pitkin marsh indian paintbrush

• rare native
Perennial herb (hemiparasitic)

Ceanothus cuneatus var. cuneatus Buck brush, Buckbrush

native
Shrub

Ceanothus diversifolius Pinemat

native
Shrub

Ceanothus prostratus Mahala mats, Pinemat

native
Shrub

Ceanothus velutinus var. velutinus Tobacco brush, snowbrush

native
Tree, Shrub

Centaurea biebersteinii Spotted knapweed

• invasive non-native
Perennial herb

Centaurea diffusa Diffuse knapweed, White knapweed

• invasive non-native
Perennial herb

Centaurea maculosa Spotted knapweed

• invasive non-native
Perennial herb

Centaurea solstitialis Barnaby's thistle, Yellow star thistle

• invasive non-native
Annual herb

Centaurea squarrosa Squarrose knapweed

• invasive non-native
Perennial herb

Centaurea stoebe ssp. micranthos Spotted knapweed

• invasive non-native
Perennial herb

Centaurea triumfettii Squarrose knapweed

• invasive non-native
Perennial herb

Centaurea virgata ssp. squarrosa Squarrose knapweed

• invasive non-native
Perennial herb

Centaurium muehlenbergii Muehlenberg's centaury

native
Annual herb

Cephalanthera austiniae Phantom orchid

native
Perennial herb

Cerastium arvense Field chickweed, Meadow chickweed

native
Perennial herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Ceratocephala testiculata Tubercled crowfoot

non-native
Annual herb

Cercocarpus betuloides var. macrourus Few flowered mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany, Curl leaved mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intermontanus Curl leaf mountain mahogany, Curl leaved mountain mahogany

native
Tree, Shrub

Cercocarpus ledifolius var. intermontanus

Cercocarpus montanus var. macrourus Few flowered mountain mahogany

native
Tree, Shrub

Chaenactis douglasii var. douglasii Hoary chaenactis, Dusty pincushions, False Yarrow

native
Annual, Perennial herb

Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis, Yellow pincushion, Inner Coast Range Pincushion

native
Annual herb

Chaenactis glabriuscula var. heterocarpha

Chamaebatiaria millefolium Desertsweet, Fern bush

native
Shrub

Chamaesaracha nana Dwarf chamaesaracha, Dwarf chamaesarachia

native
Perennial herb

Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge

native
Annual, Perennial herb

Chamaesyce serpyllifolia ssp. serpyllifolia

Chamerion angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Chamerion angustifolium ssp. circumvagum

Cheilanthes gracillima Lace lip fern

native
Fern

Chenopodium atrovirens Dark green goosefoot, Forest goosefoot, Pinyon goosefoot

native
Annual herb

Chenopodium desiccatum Aridland goosefoot, Dry goosefoot

native
Annual herb

Chenopodium fremontii Fremont's goosefoot

native
Annual herb

Chimaphila menziesii Little prince's pine, Pipsissewa

native
Perennial herb

Chimaphila umbellata Blake's prince's pine, Pipsissewa, Prince's Pine

native
Perennial herb

Chrysolepis sempervirens Bush chinquapin, Sierra chinquapin

native
Shrub

FAGACEAE

Chrysothamnus nauseosus Rubber rabbitbrush

native
Shrub

Cicuta douglasii Western water hemlock

native
Perennial herb

Cinna latifolia Drooping wood reed, Wood reedgrass

native
Perennial grass

Circaea alpina ssp. paci?ca Small enchanter's nightshade

native
Perennial herb

Cirsium andersonii Anderson's thistle, Rose thistle

native
Perennial herb

Cirsium arvense Canada thistle

• invasive non-native
Perennial herb

Cirsium canovirens Gray-green thistle

native
Perennial herb

Cirsium cymosum Peregrine thistle

native
Perennial herb

Cirsium douglasii var. breweri Brewer's swamp thistle, Douglas' thistle

native
Perennial herb

Cirsium occidentale var. candidissimum Snowy thistle

native
Perennial herb

Cirsium occidentale var. occidentale Cobweb thistle, Cobwebby thistle

native
Perennial herb

Cirsium pastoris Snowy thistle

native
Perennial herb

Cirsium scariosum Dwarf thistle, Elk thistle

native
Perennial herb

Cirsium undulatum Wavy leaved thistle, Wavyleaf thistle

non-native
Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Cistanthe umbellata Cistanthe, Pussy paws, Pussy toes

native
Annual, Perennial herb

Clarkia gracilis ssp. gracilis Graceful clarkia, Slender clarkia

native
Annual herb

Clarkia lassenensis Lassen clarkia, Lassen godetia

native
Annual herb

Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia

native
Annual herb

Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan

native
Annual herb

Clarkia stellata Lake almanor clarkia

native
Annual herb

Claytonia lanceolata Lanceleaf springbeauty, Western spring beauty, Western springbeauty

native
Perennial herb

Claytonia palustris Jonesville springbeauty, Marsh claytonia

• rare native
Perennial herb

Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce

native
Annual herb

Claytonia rubra ssp. rubra Red stemmed miner's lettuce, Redstem springbeauty

native
Annual herb

Cleome platycarpa Golden bee plant

native
Annual herb

CLEOMACEAE

Collinsia linearis Narrow leaf collinsia, Narrowleaf blue eyed mary

native
Annual herb

Collinsia torreyi var. torreyi Torrey's blue eyed mary, Torrey's collinsia

native
Annual herb

Collinsia torreyi var. wrightii Wright's blue eyed mary, Wright's collinsia

native
Annual herb

Collomia larsenii Talus collomia

• rare native
Perennial herb (rhizomatous)

Collomia linearis Narrow leaved collomia, Slenderleaf collomia, Tiny trumpet

native
Annual herb

Collomia tinctoria Staining Collomia, Yellow staining collomia

native
Annual herb

Collomia tracyi Tracy's collomia

• rare native
Annual herb

Comarum palustre Marsh cinquefoil

native
Perennial herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

CONVOLVULACEAE

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot

native
Perennial herb

Corallorhiza mertensiana Merten's coral root, Pacific coralroot

native
Perennial herb

Corallorhiza striata Hooded coralroot, Striped coral root

native
Perennial herb

Cordylanthus capitatus Yakima bird's beak

• rare native
Annual herb (hemiparasitic)

Cordylanthus ramosus Bushy bird's beak

native
Annual herb

Cornus sericea ssp. sericea American dogwood, Creek dogwood, Red osier dogwood

native
Shrub

CORNACEAE

Crataegus douglasii Black hawthorn, Douglas' hawthorn

native
Tree, Shrub

Crepis acuminata Long leaved hawk's beard, Long leaved hawksbeard, Tall hawksbeard

native
Perennial herb

Crepis bakeri Baker's hawksbeard

native
Perennial herb

Crepis modocensis Modoc hawksbeard

native
Perennial herb

Crepis monticola Mountain hawk's beard, Mountain hawksbeard

native
Perennial herb

Crepis occidentalis Largeflower hawksbeard, Western hawk's beard, Western hawksbeard

native
Perennial herb

Crocidium multicaule Common spring gold

native
Annual herb

Croton setigerus Turkey-mullein

native
Annual herb

Crupina vulgaris Bearded creeper, Common crupina

• invasive non-native
Annual herb

Crypsis alopecuroides Foxtail prickle grass, Foxtail pricklegrass

non-native
Annual grass

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native
Annual grass

Cryptantha humilis Low oreocarya

native
Perennial herb

Cryptantha torreyana Torrey's cryptantha

native
Annual herb

Cryptogramma acrostichoides American parsely fern, American parsley fern, American rockbrake

native
Fern

Cryptogramma cascadensis Cascade parsely fern, Cascade rockbrake

native
Fern

Cuscuta californica var. papillosa Chaparral dodder, Papillate dodder

native
Annual herb, Vine (parasitic)

CONVOLVULACEAE

Cusickiella douglasii Alkali cusickiella, Alkali draba

native
Perennial herb

Cycladenia humilis var. humilis Cycladenia, Sacramento waxydogbane

native
Perennial herb

Cymopterus terebinthinus var. californicus Pteryxia, Turpentine cymopterus

native
Perennial herb

Cymopterus terebinthinus var. californicus

Cypripedium montanum Mountain lady's slipper

• rare native
Perennial herb (rhizomatous)

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Dactylis glomerata Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Damasonium californicum California damsonium

native
Perennial herb (aquatic)

Danthonia californica California oatgrass

native
Perennial grass

Danthonia unispicata One spiked oatgrass, Onespike danthonia, Onespike oatgrass

native
Perennial grass

Dasiphora fruticosa ssp. ?oribunda Shrubby cinquefoil

native
Shrub

Delphinium andersonii Anderson larkspur, Anderson's larkspur

native
Perennial herb

Delphinium decorum Coast larkspur, Coastal larkspur, Larkspur

native
Perennial herb

Delphinium depauperatum Dwarf larkspur, Few flowered larkspur, Slim larkspur

native
Perennial herb

Delphinium nudicaule Canyon larkspur, Red or Orange Larkspur, Red larkspur

native
Perennial herb

Delphinium nuttallianum Low larkspur, Meadow larkspur, Dwarf, Meadow, Slim or Sonne's Larkspur

native
Perennial herb

Delphinium stachydeum Spiked larkspur

• rare native
Perennial herb

Deschampsia caespitosa California hairgrass, Tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Descurainia incana Mountain tansy mustard, Mountain tansymustard, Soft mountain tansy mustard

native
Perennial herb

Descurainia incana ssp. incisa Mountain tansy mustard

native
Annual, Biennial herb

Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard

native
Annual herb

Descurainia sophia Flix weed, Herb sophia

• invasive non-native
Annual herb

Dimeresia howellii Doublet

• rare native
Annual herb

Distichlis spicata Inland saltgrass, Salt grass, Saltgrass

native
Perennial grass

Dodecatheon alpinum Alpine shooting star

native
Perennial herb

Dodecatheon conjugens Bonneville shooting star

native
Perennial herb

Dodecatheon jeffreyi Sierra shooting star

native
Perennial herb

Dodecatheon pulchellum Beautiful shooting star, Dark throat shooting star

• rare native
Perennial herb

Downingia bacigalupii Bach's calicoflower, Bach's downingia

native
Annual herb

Downingia bicornuta Bristled downingia, Doublehorn calicoflower

native
Annual herb

Downingia bicornuta var. bicornuta Bristled downingia, Doublehorn calicoflower

native
Annual herb

Downingia cuspidata Toothed calicoflower, Toothed downingia

native
Annual herb

Downingia insignis Harlequin calicoflower, Harlequin downingia

native
Annual herb

Draba albertina Alaska whitlow grass, Alberta whitlow grass, Slender draba

native
Annual, Perennial herb

Draba densifolia Dense leaved draba, Denseleaf draba

native
Perennial herb

Draba paysonii var. treleasii Payson's draba

native
Perennial herb

Draba verna Spring draba, Whitlow grass, Whitlowgrass

non-native
Annual herb

Drosera anglica English sundew, Long leaved sundew

• rare native
Perennial herb (carnivorous)

DROSERACEAE

Drosera rotundifolia Round leaved sundew, Roundleaf sundew

native
Perennial herb

DROSERACEAE

Eatonella nivea White eatonella, White false tickhead

native
Annual herb

Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass

non-native
Annual grass

Eleocharis acicularis var. acicularis Needle spike rush, Needle spikerush

native
Perennial grasslike herb

Eleocharis acicularis var. bella Beautiful spikerush

native
Perennial grasslike herb

Eleocharis bella Beautiful spikerush

native
Perennial grasslike herb

Eleocharis engelmannii Engelmann's spikerush

native
Annual grasslike herb

Eleocharis palustris Common spikerush

native
Perennial grasslike herb

Elymus caput-medusae Medusa head

• invasive non-native
Annual grass

Elymus elymoides Bottlebrush squirreltail, Squirrel tail grass, Squirreltail

native
Perennial grass

Elymus elymoides ssp. hordeoides Barley squirreltail

native
Perennial grass

Elymus glaucus Blue wildrye

native
Perennial grass

Elymus repens Quack grass

non-native
Perennial grass

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Elytrigia intermedia ssp. intermedia Intermediate wheatgrass

non-native
Perennial grass

Elytrigia repens Quack grass

non-native
Perennial grass

Enemion stipitatum Siskiyou false rue anemone

native
Perennial herb

Epilobium anagallidifolium Alpine willowherb, Pimpernel willowherb

native
Perennial herb

Epilobium angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Epilobium angustifolium ssp. circumvagum

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native
Annual herb

Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb

native
Perennial herb

Epilobium ciliatum ssp. glandulosum Fringed willowherb, Glandular willowherb

native
Perennial herb

Epilobium glaberrimum Glaucous willow herb, Glaucus willowherb, Smooth willowherb

native
Perennial herb

Epilobium halleanum Hall's willowherb

native
Perennial herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

Epilobium obcordatum Heart willowweed, Rockfringe

native
Perennial herb

Epilobium oregonense Oregon willowherb, Slimstem willowweed

native
Perennial herb

Epilobium pygmaeum Smooth boisduvalia

native
Annual herb

Epilobium torreyi Narrow boisduvalia, Narrow leaved boisduvalia, Torrey's willowherb

native
Annual herb

Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail

native
Fern

EQUISETACEAE

Equisetum hyemale var. af?ne Scouringrush horsetail

native
Fern

EQUISETACEAE

Eremocarpus setigerus Turkey-mullein

native
Annual herb

Ericameria bloomeri Bloomer's goldenbush, Goldenweed, Rabbitbush

native
Shrub

Ericameria cuneata var. cuneata Cliff goldenbush, Rock goldenbush

native
Shrub

Ericameria discoidea Macronema goldenbush, Rayless goldenbush, Whitestem goldenbush

native
Shrub

Ericameria greenei Greene's goldenbush, Greene's goldenweed

native
Shrub

Ericameria nauseosa ssp. nauseosa var. speciosa Showy Rabbitbrush

native
Shrub

Ericameria nauseosa ssp. nauseosa var. speciosa

Erigeron acris ssp. debilis Northern daisy

• rare native
Perennial herb

Erigeron austiniae Rebecca austin's fleabane

native
Perennial herb

Erigeron bloomeri var. bloomeri Scabland fleabane

native
Perennial herb

Erigeron compositus Cut leaved daisy, Cutleaf daisy, Cut-leaf Fleabane

native
Perennial herb

Erigeron coulteri Coulter's daisy, Coulter's fleabane, Large mountain fleabane

native
Perennial herb

Erigeron eatonii var. plantagineus Eaton's daisy, Eaton's fleabane

native
Perennial herb

Erigeron elegantulus Blue dwarf fleabane, Volcanic daisy

• rare native
Perennial herb

Erigeron foliosus Leafy daisy, Leafy fleabane

native
Perennial herb

Erigeron inornatus var. inornatus California rayless daisy, California rayless fleabane, Fleabane

native
Perennial herb

Erigeron linearis Desert yellow fleabane, Narrow leaved fleabane

native
Perennial herb

Erigeron peregrinus ssp. callianthemus Wandering fleabane

native
Perennial herb

Erigeron philadelphicus Philadelphia fleabane

native
Perennial herb

Erigeron pumilus ssp. intermedius Shaggy fleabane

native
Perennial herb

Erigeron strigosus Prairie fleabane

non-native
Annual, Perennial herb

Erigeron tener Slender fleabane

native
Perennial herb

Eriogonum caespitosum Clumping buckwheat, Matted buckwheat

native
Perennial herb

Eriogonum douglasii var. douglasii Douglas' buckwheat

native
Perennial herb

Eriogonum elatum var. elatum Tall buckwheat, Tall woolly buckwheat

native
Perennial herb

Eriogonum heracleoides var. heracleoides Parsnip flowered buckwheat, Parsnipflower buckwheat

• rare native
Perennial herb

Eriogonum heracleoides var. heracleoides

Eriogonum marifolium Marum leaved buckwheat, Marumleaf buckwheat

native
Shrub

Eriogonum microthecum var. ambiguum Yellow-flowered wild buckwheat

native
Perennial herb

Eriogonum microthecum var. laxi?orum Slender buckwheat

native
Perennial herb

Eriogonum nudum var. deductum Naked buckwheat

native
Shrub

Eriogonum nudum var. nudum Naked buckwheat, Naked Wild Buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. oblongifolium Naked buckwheat, Oblong leaved buckwheat

native
Shrub

Eriogonum nudum var. pubi?orum Naked buckwheat, Nude buckwheat

native
Shrub

Eriogonum nudum var. westonii Weston's buckwheat

native
Shrub

Eriogonum ovalifolium var. nivale Cushion buckwheat

native
Perennial herb

Eriogonum ovalifolium var. ovalifolium Cushion buckwheat

native
Perennial herb

Eriogonum ovalifolium var. purpureum Purple cushion buckwheat

native
Perennial herb

Eriogonum polyanthum Many flowered sulfur flower

native
Perennial herb

Eriogonum prociduum Prostrate buckwheat

• rare native
Perennial herb

Eriogonum pyrolifolium Shasta buckwheat

native
Perennial herb, Shrub

Eriogonum spergulinum var. reddingianum Redding buckwheat, Spurry buckwheat, Redding's Wild Buckwheat

native
Annual herb

Eriogonum sphaerocephalum var. halimioides Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. halimioides

Eriogonum sphaerocephalum var. sphaerocephalum Rock buckwheat, Round headed buckwheat

native
Perennial herb

Eriogonum sphaerocephalum var. sphaerocephalum

Eriogonum strictum ssp. proliferum var. anserinum Blue mountain buckwheat

native
Perennial herb

Eriogonum strictum ssp. proliferum var. anserinum

Eriogonum strictum ssp. proliferum var. proliferum Greene's buckwheat

• rare native
Perennial herb

Eriogonum strictum ssp. proliferum var. proliferum

Eriogonum umbellatum var. covillei Coville's sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. dichrocephalum Sulphur buckwheat, Sulphur flower buckwheat

native
Perennial herb

Eriogonum umbellatum var. dichrocephalum

Eriogonum umbellatum var. glaberrimum Green buckwheat

• rare native
Perennial herb

Eriogonum umbellatum var. modocense Sulphur flower buckwheat, Modoc Sulphur Flower

native
Perennial herb

Eriogonum umbellatum var. nevadense Nevada buckwheat, Sierra sulfur flower, Sulphur flower buckwheat

native
Perennial herb

Eriogonum ursinum Bear buckwheat, Bear valley buckwheat

native
Perennial herb

Eriogonum vimineum Wicker buckwheat, Wicker stemmed eriogonum, Wickerstem buckwheat

native
Annual herb

Eriophorum gracile Cottongrass, Slender cotton grass, Slender cottongrass

• rare native
Perennial grasslike herb

Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. achillaeoides Yarrow leaved woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. croceum Common woolly sunflower, Sierra woolly sunflower

native
Perennial herb

Eriophyllum lanatum var. integrifolium Common woolly sunflower, Oregon sunshine

native
Perennial herb

Eriophyllum lanatum var. lanceolatum Common woolly sunflower, Lance leaved woolly sunflower

native
Perennial herb

Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree

non-native
Annual herb

Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill

• invasive non-native
Annual herb

Eryngium alismifolium Alisma leaved coyote thistle, Coyote thistle, Modoc eryngo

native
Perennial herb

Eryngium articulatum Beethistle, Coyote thistle

native
Perennial herb

Eryngium mathiasiae Mathias' button celery, Mathias' eryngo

native
Perennial herb

Erysimum capitatum var. capitatum Sanddune wallflower

native
Perennial herb

Eschscholzia californica California poppy

native
Annual, Perennial herb

PAPAVERACEAE

Euphorbia crenulata Chinese caps, Chinesecaps

native
Annual, Perennial herb

Eurybia integrifolia Thickstem aster

native
Perennial herb

Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop

native
Perennial herb

Festuca idahoënsis Blue bunchgrass, Blue fescue, Idaho fescue

native
Perennial grass

Festuca rubra Red fescue

native
Perennial grass

Floerkea proserpinacoides False mermaidweed

native
Annual herb

LIMNANTHACEAE

Fragaria virginiana Mountain strawberry, Scarlet strawberry, Virginia strawberry

native
Perennial herb

Frangula rubra Red buckthorn

native
Shrub

Frasera albicaulis var. albicaulis Whitestem frasera

native
Perennial herb

Frasera albicaulis var. nitida Whitestem frasera

native
Perennial herb

Frasera speciosa Monument plant

native
Perennial herb

Fraxinus latifolia Oregon ash

native
Tree

OLEACEAE

Fritillaria atropurpurea Mountain fritillary, Purple fritillary, Spotted fritillary

native
Perennial herb

Fritillaria pudica Gold bell, Yellow fritillary

native
Perennial herb

Fritillaria recurva Scarlet fritillary

native
Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

Galium bifolium Low mountain bedstraw, Twinleaf bedstraw

native
Annual herb

Galium boreale Northern bedstraw

native
Perennial herb

Galium glabrescens ssp. modocense Modoc bedstraw

• rare native
Perennial herb

Galium murale Tiny bedstraw, Yellow wall bedstraw

non-native
Annual herb

Galium serpenticum ssp. warnerense Warner mountains bedstraw, Warner mtns. bedstraw

• rare native
Perennial herb (rhizomatous)

Garrya fremontii Bearbrush, Fremont's silk tassel

native
Shrub

GARRYACEAE

Gayophytum diffusum ssp. parvi?orum Diffuse gayophytum, Gayophytum, Spreading groundsmoke

native
Annual herb

Gayophytum humile Dwarf groundsmoke, Gayophytum, Low gayophytum

native
Annual herb

Gentianopsis simplex Hiker's fringed gentian, One flowered fringed gentian, Oneflower fringed gentian

native
Annual herb

Geranium richardsonii Richardson's geranium

native
Perennial herb

Geranium viscosissimum Sticky geranium, Sticky purple geranium

native
Perennial herb

Geum aleppicum Aleppo avens, Yellow avens

• rare native
Perennial herb

Geum macrophyllum Large leaved avens, Largeleaf avens

native
Perennial herb

Gilia capitata Blue field gilia, Bluehead gilia

native
Annual herb

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

Glyceria borealis Northern mannagrass, Small floating mannagrass

native
Perennial grass

Glyceria elata Fowl mannagrass, Tall mannagrass

native
Perennial grass

Glyceria striata Fowl mannagrass

native
Perennial grass

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

Gnaphalium stramineum Cottonbatting plant

native
Perennial herb

Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Gratiola ebracteata Bractless hedge hyssop, Common hedge hyssop

native
Annual herb

Gratiola heterosepala Boggs lake hedge hyssop

• rare native
Annual herb

Gratiola neglecta Clammy hedge hyssop, Clammy hedgehyssop

native
Annual herb

Grindelia nana Idaho gumweed, Idaho resinweed

native
Perennial herb

Hackelia californica California stickseed

native
Perennial herb

Hackelia cusickii Cusick stickweed, Cusick's stickseed

• rare native
Perennial herb

Hackelia micrantha Jessica sticktight, Jessica's stickseed, Small flowered stickseed

native
Perennial herb

Hackelia setosa Bristly stickseed

native
Perennial herb

Hackelia velutina Velvet stickseed, Velvety stickseed

native
Perennial herb

Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower

native
Annual herb

Heliotropium europaeum European heliotrope

non-native
Annual herb

HELIOTROPIACEAE

Hemizonella minima Opposite leaved tarweed

native
Annual herb

Heracleum maximum Common cow parsnip

native
Perennial herb

Hesperochiron californicus California hesperochiron

native
Perennial herb

Hesperochiron pumilus Dwarf hesperochiron

native
Perennial herb

Hesperostipa comata ssp. comata Needle & thread grass

native
Perennial grass

Heuchera cylindrica var. alpina Roundleaf alumroot, Alpine alumroot

native
Perennial herb

Heuchera micrantha Alum root, Crevice alumroot

native
Perennial herb

Hieracium horridum Prickly hawkweed, Shaggy hawkweed

native
Perennial herb

Hieracium scouleri Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed

native
Perennial herb

Hierochloë odorata Vanilla grass

• rare native
Perennial grass (rhizomatous)

Hippuris vulgaris Common mare's tail, Common mares tail, Mare's tail

native
Perennial herb (aquatic)

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native
Shrub

Holodiscus microphyllus var. glabrescens Rock spiraea

native
Shrub

Holodiscus microphyllus var. glabrescens

Holosteum umbellatum Jagged chickweed

non-native
Annual herb

Hordeum brachyantherum Meadow barley

native
Perennial grass

Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley

native
Perennial grass

Horkelia fusca ssp. capitata Tawny horkelia

native
Perennial herb

Horkelia fusca ssp. parvi?ora Dusky horkelia, Pinewoods horkelia, Tawny horkelia

native
Perennial herb

Hulsea nana Dwarf alpinegold, Dwarf hulsea

• rare native
Perennial herb

Hydrophyllum capitatum var. alpinum Alpine breeches

native
Perennial herb

Hymenoxys hoopesii Owl's claws

native
Perennial herb

Hypericum anagalloides Creeping st. john's wort, Tinker's penny

native
Annual, Perennial herb

Hypericum formosum var. scouleri Scouler's St John's wort

native
Perennial herb

Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed

• invasive non-native
Perennial herb

Hypericum scouleri ssp. scouleri Scouler's St John's wort

native
Perennial herb

Idahoa scapigera Oldstem idahoa

native
Annual herb

Iliamna bakeri Baker's globe mallow, Baker's wild hollyhock

• rare native
Perennial herb

Ionactis alpina Lava aster

native
Perennial herb

Ipomopsis aggregata ssp. formosissima Scarlet gilia

native
Perennial herb

Ipomopsis congesta ssp. congesta Ball headed gilia, Ballhead ipomopsis

native
Perennial herb

Ipomopsis congesta ssp. montana Ball headed ipomopsis, Ballhead ipomopsis, Many flowered gilia

native
Perennial herb

Iris missouriensis Rocky mountain iris, Western blue flag

native
Perennial herb

Isatis tinctoria Dyer's woad, Dyers woad

• invasive non-native
Biennial, Perennial herb

Isoëtes bolanderi Bolander's quillwort

native

ISOETACEAE

Isoëtes howellii Howell's quillwort, Quillwort

native

ISOETACEAE

Isopyrum stipitatum Siskiyou false rue anemone

native
Perennial herb

Iva axillaris Povertyweed

native
Perennial herb

Iva axillaris ssp. robustior Povertyweed

native
Perennial herb

Ivesia baileyi var. beneolens Bailey's ivesia, Owyhee ivesia

• rare native
Perennial herb

Ivesia gordonii Alpine ivesia, Gordon's ivesia

native
Perennial herb

Ivesia paniculata Ash creek ivesia, Ash creek mousetail

• rare native
Perennial herb

Ivesia shockleyi var. shockleyi Shockley's ivesia, Sky mousetail

native
Perennial herb

Juncus arcticus ssp. littoralis Baltic rush, Wire rush

native
Perennial grasslike herb

Juncus balticus Baltic rush, Wire rush

native
Perennial grasslike herb

Juncus brachyphyllus Short leaved rush, Tuftedstem rush

native
Perennial grasslike herb

Juncus bufonius var. occidentalis Round fruited toad rush, Western toad rush

native
Perennial grasslike herb

Juncus confusus Colorado rush

native
Perennial grasslike herb

Juncus covillei Coville's rush

native
Perennial grasslike herb

Juncus drummondii Drummond's rush

native
Perennial grasslike herb

Juncus ensifolius Sword leaved rush, Swordleaf rush, Three stamened rush

native
Perennial grasslike herb

Juncus mertensianus Merten's rush, Mertens' rush

native
Perennial grasslike herb

Juncus mexicanus Mexican rush

native
Perennial grasslike herb

Juncus nevadensis Sierra rush

native
Perennial grasslike herb

Juncus orthophyllus Straight leaved rush, Straightleaf rush

native
Perennial grasslike herb

Juncus parryi Parry's rush

native
Perennial grasslike herb

Juncus saximontanus Rocky mountain rush

native
Perennial grasslike herb

Juncus tenuis Poverty rush, Slender rush

native
Perennial grasslike herb

Juniperus communis Common juniper, Dwarf juniper

native
Shrub

Juniperus occidentalis var. australis Sierra juniper

native
Tree

Juniperus occidentalis var. occidentalis Western juniper

native
Tree

Juniperus occidentalis var. occidentalis

Kalmia microphylla Mountain laurel, Bog laurel

native
Shrub

Kalmia polifolia Mountain laurel, Bog laurel

native
Shrub

Kelloggia galioides Milk kelloggia

native
Perennial herb

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

Lactuca serriola Prickly lettuce, Prickly wild lettuce

• invasive non-native
Annual herb

Lagophylla ramosissima ssp. ramosissima Branched lagophylla, Common hareleaf

native
Annual herb

Lathyrus lanszwertii var. brownii Brown's brush pea

native
Perennial herb

Lathyrus lanszwertii var. lanszwertii Lanszwert's pea, Nevada pea

native
Perennial herb

Lathyrus nevadensis ssp. nevadensis Sierra nevada pea, Sierra pea

native
Perennial herb

Lathyrus rigidus Rigid pea, Stiff pea

• rare native
Perennial herb

Ledum glandulosum Western labrador tea

native
Shrub

Lepidium campestre Cow cress, English pepper grass, Field pepper grass

non-native
Annual, Perennial herb

Lepidium perfoliatum Clasping pepperweed, Klamath pepper grass, Shield cress

non-native
Annual herb

Lepidium virginicum Virginia pepperweed, Wild pepper grass

native
Annual herb

Leptodactylon pungens Granite prickly phlox

native
Shrub

Leptosiphon ciliatus Whiskerbrush

native
Annual herb

Leptosiphon harknessii Harkness' flaxflower

native
Annual herb

Leptosiphon nuttallii ssp. nuttallii Nuttall's linanthus

native
Perennial herb

Leucanthemum vulgare Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Leucocrinum montanum Common starlily, Sand lily

native
Perennial herb

AGAVACEAE

Leucophysalis nana Dwarf chamaesaracha, Dwarf chamaesarachia

native
Perennial herb

Lewisia nevadensis Nevada bitter root, Nevada lewisia, Sierra lewisia

native
Perennial herb

Lewisia pygmaea Alpine lewisia, Pigmy bitter root

native
Perennial herb

Lewisia rediviva Bitter root

native
Perennial herb

Lewisia triphylla Three leafed lewisia, Three leaved lewisia, Threeleaf lewisia

native
Perennial herb

Leymus cinereus Great basin wild rye

native
Perennial grass

Libocedrus decurrens Incense cedar, Post cedar, White cedar

native
Tree

Ligusticum grayi Gray's licorice root, Gray's lovage, Gray's wild lovage

native
Perennial herb

Lilium pardalinum ssp. shastense Shasta lily

native
Perennial herb

Lilium washingtonianum ssp. washingtonianum Typical washington lily

native
Perennial herb

Lilium washingtonianum ssp. washingtonianum

Limosella aquatica Northern mudwort, Water mudwort

native
Annual herb (aquatic)

SCROPHULARIACEAE

Linanthus ciliatus Whiskerbrush

native
Annual herb

Linanthus nuttallii ssp. nuttallii Nuttall's linanthus

native
Perennial herb

Linanthus pungens Granite prickly phlox

native
Shrub

Linaria dalmatica ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Linaria genistifolia ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Linum lewisii var. lewisii Lewis' flax, Prairie flax

native
Perennial herb

LINACEAE

Lithophragma glabrum Bulbed woodland star, Bulbous woodland star, Bulbous woodlandstar

native
Perennial herb

Lithophragma tenellum Slender woodland star, Slender woodlandstar, Woodland star

native
Perennial herb

Lithospermum californicum California gromwell, California stoneseed, Gromwell

native
Perennial herb

Lithospermum ruderale Columbia puccoon, Western gromwell, Western stoneseed

native
Perennial herb

Lomatium bicolor var. leptocarpum Slender fruited lomatium, Wasatch desertparsley

native
Perennial herb

Lomatium canbyi Canby's biscuitroot, Canby's lomatium

• rare native
Perennial herb

Lomatium dissectum var. multi?dum Fern leaved lomatium, Fernleaf biscuitroot

native
Perennial herb

Lomatium foeniculaceum Desert biscuitroot, Fennel leaved lomatium

native
Perennial herb

Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium

• rare native
Perennial herb

Lomatium grayi Gray's lomatium

• rare native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium nevadense var. nevadense Nevada biscuitroot, Nevada lomatium

native
Perennial herb

Lomatium nevadense var. parishii Parish's biscuitroot, Parish's lomatium

native
Perennial herb

Lomatium nudicaule Barestem biscuitroot, Pestle lomatium, Pestle parsnip

native
Perennial herb

Lomatium piperi Indian biscuitroot, Piper's lomatium

native
Perennial herb

Lomatium ravenii Lassen parsley, Raven's lomatium

• rare native
Perennial herb

Lomatium triternatum Lewis' lomatium, Lewis's lomatium, Lomatium

native
Perennial herb

Lomatium triternatum var. triternatum Lewis' lomatium, Nineleaf biscuitroot

native
Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native
Perennial herb

Lomatium vaginatum Broadsheath desertparsley, Sheathed lomatium

native
Perennial herb

Lonicera conjugialis Double honeysuckle, Purpleflower honeysuckle

native
Shrub

Lonicera involucrata var. involucrata Twinberry honeysuckle

native
Shrub

Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil

• invasive non-native
Perennial herb

Lotus denticulatus Toothed lotus

native
Annual herb

Lotus micranthus Hill lotus

native
Annual herb

Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil, American trefoil, Spanish lotus

native
Annual herb

Lotus wrangelianus Wrangel lotus

native
Annual herb

Lupinus arbustus Long spurred lupine, Longspur lupine

native
Perennial herb

Lupinus argenteus ssp. argenteus Silvery lupine

native
Perennial herb

Lupinus argenteus var. heteranthus Silvery lupine

native
Perennial herb

Lupinus burkei Largeleaf lupine

non-native
Annual herb

Lupinus caudatus ssp. caudatus Silvery lupine

native
Perennial herb

Lupinus confertus Clustered tidy lupine

native
Perennial herb

Lupinus latifolius ssp. latifolius Broad leaf lupine

native
Perennial herb

Lupinus latifolius ssp. viridifolius Green leaf lupine

native
Perennial herb

Lupinus latifolius ssp. viridifolius var. barbatus Green leaf lupine

native
Perennial herb

Lupinus latifolius ssp. viridifolius var. barbatus

Lupinus lepidus var. confertus Clustered tidy lupine

native
Perennial herb

Lupinus lepidus var. lobbii Lobb's lupine, Lobb's tidy lupine

native
Perennial herb

Lupinus lepidus var. sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine

native
Perennial herb

Lupinus polyphyllus var. burkei Burke's lupine, Meadow lupine

native
Perennial herb

Lupinus saxosus

native
perennial herb

Lupinus sellulus ssp. sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. lobbii Lobb's lupine, Lobb's tidy lupine

native
Perennial herb

Lupinus sellulus ssp. sellulus var. lobbii

Luzula comosa Common wood rush, Hairy wood rush, Pacific woodrush

native
Perennial grasslike herb

Luzula subcongesta Donner wood rush, Donner woodrush

native
Perennial grasslike herb

Lygodesmia spinosa Thorn skeletonweed

native
Perennial herb

Lythrum tribracteatum Three bracted loosestrife, Threebract loosestrife

non-native
Annual herb

LYTHRACEAE

Machaeranthera canescens ssp. canescens Hoary aster

native
Perennial herb

Machaeranthera canescens ssp. canescens var. shastensis Hoary aster

native
Perennial herb

Machaeranthera canescens ssp. canescens var. shastensis

Madia citriodora Lemon scented tarweed, Lemonscented madia

native
Annual herb

Madia glomerata Mountain tarweed

native
Annual herb

Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed

native
Annual herb

Madia minima Opposite leaved tarweed

native
Annual herb

Mahonia aquifolium Mountain grape, Mountaingrape, Oregon grape

native
Shrub

Mahonia nervosa Cascades oregon grape, Oregongrape

native
Shrub

Mahonia repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Mahonia sonnei Creeping oregon grape, Dwarf mahonia

native
Shrub

Maianthemum racemosum Feathery false lily of the valley

native
Perennial herb

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

Malus pumila Paradise apple

non-native
Tree

Malus sylvestris Paradise apple

non-native
Tree

Marrubium vulgare White horehound

• invasive non-native
Perennial herb

Marsilea oligospora Nelson's pepperwort, Pacific waterclover

native
Fern

Marsilea vestita Hairy waterclover

native
Fern

Marsilea vestita ssp. vestita Hairy pepperwort, Hairy waterclover

native
Fern

Medicago sativa Alfalfa

non-native
Perennial herb

Melica bulbosa Big oniongrass

native
Perennial grass

Melica fugax Little oniongrass, Small melic, Small onion grass

native
Perennial grass

Melica spectabilis Purple onion grass, Purple oniongrass

• rare native
Perennial grass (rhizomatous)

Melica stricta Nodding melica, Rock melicgrass

native
Perennial grass

Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass

native
Perennial grass

Melilotus alba Yellow sweetclover

• invasive non-native
Annual, Biennial herb

Mentha arvensis American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentzelia albicaulis Small flowered blazing star, White stemmed blazing star, White stemmed stickleaf

native
Annual herb

LOASACEAE

Mentzelia laevicaulis Blazing star, Giant blazingstar, Smooth stem blazing star

native
Perennial herb

LOASACEAE

Menyanthes trifoliata Bogbean, Buck bean, Buckbean

native
Perennial herb

MENYANTHACEAE

Mertensia ciliata Ciliate lungwort, Streamside bluebells, Tall fringed bluebells

native
Perennial herb

Mertensia oblongifolia Oblongleaf bluebells, Sagebrush bluebells

native
Perennial herb

Microseris laciniata ssp. laciniata Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris nutans Nodding microceris, Nodding scorzonella, Perennial nodding microseris

native
Perennial herb

Microsteris gracilis Slender phlox

native
Annual herb

Mimulus bicolor Yellow and white monkeyflower

native
Annual herb

Mimulus breweri Brewer's monkeyflower

native
Annual herb

Mimulus evanescens ephemeral monkeyflower

• rare native
Annual herb

Mimulus guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Mimulus jepsonii Jepson's monkeyflower

native
Annual herb

Mimulus layneae Layne's monkeyflower

native
Annual herb

Mimulus lewisii Lewis' monkey flower

native
Perennial herb

Mimulus moschatus Musk monkeyflower

native
Perennial herb

Mimulus nanus Dwarf monkeyflower, Dwarf monkey flower

native
Annual herb

Mimulus primuloides var. primuloides Primrose monkeyflower

native
Perennial herb

Mimulus pygmaeus Egg Lake monkeyflower

• rare native
Annual herb

Mimulus tricolor Tricolor monkeyflower

native
Annual herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Minuartia nuttallii Nuttall's Sandwort

native
Perennial herb

Mitella pentandra Alpine mitrewort

native
Perennial herb

Monardella odoratissima Desert mint, Mountain monardella, Coyote-Mint

native
Perennial herb

Monardella odoratissima ssp. odoratissima Mountain monardella

native
Perennial herb

Monardella odoratissima ssp. odoratissima

Monardella odoratissima ssp. pallida Pale mountain monardella, Pallid mountain monardella

native
Perennial herb

Monolepis nuttalliana Nuttall's poverty weed, Nuttall's povertyweed

native
Annual herb

Monotropa hypopithys Pinesap

native
Perennial herb (mycoparasitic)

Montia chamissoi Spring beauty, Toad lily, Water minerslettuce

native
Perennial herb

Montia dichotoma Dwarf miner's lettuce, Dwarf minerslettuce

native
Annual herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Montia linearis Linear leaved montia, Narrow leaved water chickweed, Narrowleaf minerslettuce

native
Annual herb

Muhlenbergia jonesii Jones' muhly, Modoc muhly

• rare native
Perennial grass

Muhlenbergia richardsonis Mat muhly, Matted muhly, Richardson's muhly

native
Perennial grass

Myosurus apetalus Bristly mousetail, Mouse tail

native
Annual herb

Nama lobbii Matted yerba santa

native
Perennial herb

NAMACEAE

Navarretia breweri Brewer's navarretia

native
Annual herb

Navarretia divaricata Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia divaricata ssp. vividior Divaricate navarretia, Mountain navarretia

native
Annual herb

Navarretia intertexta ssp. intertexta Interwoven navarretia, Needleleaf navarretia

native
Annual herb

Navarretia intertexta ssp. propinqua

native
Annual herb

Navarretia leucocephala ssp. minima Least navarretia, Little white navarretia

native
Annual herb

Nemophila pedunculata Littlefoot nemophila, Meadow nemophila

native
Annual herb

Nicotiana acuminata var. multi?ora Manyflower tobacco

non-native
Annual herb

Nicotiana attenuata Coyote tobacco

native
Annual herb

Nothocalais alpestris Alpine lake prairie dandelion, Alpine prairie dandelion

native
Perennial herb

Nothocalais troximoides False agoseris, Weevil prairie dandelion

native
Perennial herb

Olsynium douglasii var. douglasii Douglas' grasswidow

native
Perennial herb

Onopordum acanthium Scotch cottonthistle

• invasive non-native
Perennial herb

Orcuttia tenuis Slender orcutt grass

• rare native
Annual grass

Orobanche californica ssp. grayana Gray's california broom rape

native
Perennial herb (parasitic)

Orobanche corymbosa Flat topped broom rape

native
Annual herb

Orobanche fasciculata Clustered broomrape

native
Perennial herb (parasitic)

Orobanche pinorum Pinewoods broom rape

native
Perennial herb (parasitic)

Orthilia secunda One sided wintergreen, Sidebells wintergreen

native
Perennial herb

Orthocarpus cuspidatus ssp. cryptanthus Cryptantha owl's clover, Short flowered owl's clover

native
Annual herb

Orthocarpus luteus Yellow owl's clover

native
Annual herb

Osmorhiza berteroi Sweet cicely

native
Perennial herb

Osmorhiza occidentalis Mountain sweet cicely, Western sweet cicely, Western sweetroot

native
Perennial herb

Oxyria digyna Alpine mountain sorrel, Alpine mountainsorrel, Mountain sorrel

native
Perennial herb

Packera cana Woolly groundsel

native
Perennial herb

Packera eurycephala var. eurycephala Widehead groundsel

native
Perennial herb

Packera indecora Elegant groundsel, Rayless mountain ragwort

• rare native
Perennial herb

Packera multilobata Lobeleaf groundsel

native
Perennial herb

Paeonia brownii Brown's peony, Mountain peony, Western paeony

native
Perennial herb

PAEONIACEAE

Paxistima myrsinites Oregon boxleaf, Oregon boxwood

native
Shrub

CELASTRACEAE

Pedicularis attollens Attol lousewort, Little elephant head, Little elephant's head

native
Perennial herb

Pedicularis groenlandica Elephant head lousewort, Elephant heads, Elephant's head

native
Perennial herb

Pedicularis semibarbata Bearded lousewort, Pine lousewort, Pine woods lousewort

native
Perennial herb

Pellaea breweri Brewer's cliff brake, Brewer's cliffbrake

native
Fern

Penstemon cinereus Gray beardtongue

• rare native
Perennial herb

Penstemon cinicola Ash beardtongue, Ash penstemon

• rare native
Perennial herb

Penstemon confertus Yellow penstemon

non-native
Perennial herb

Penstemon davidsonii var. davidsonii Davidson's beardtongue, Davidson's penstemon

native
Perennial herb

Penstemon deustus var. pedicellatus Hot rock beardtongue, Scabland penstemon

native
Perennial herb

Penstemon deustus var. suffrutescens Hot rock beardtongue, Scabland penstemon

native
Perennial herb

Penstemon gracilentus Slender beardtongue, Slender penstemon

native
Perennial herb

Penstemon heterodoxus var. heterodoxus Sierra beardtongue

native
Perennial herb

Penstemon heterodoxus var. shastensis Shasta beardtongue

• rare native
Perennial herb

Penstemon humilis ssp. humilis Low beardtongue

native
Perennial herb

Penstemon laetus ssp. sagittatus Mountain blue penstemon

native
Perennial herb

Penstemon roezlii Regel's mountain penstemon

native
Perennial herb

Penstemon rydbergii var. oreocharis Herbaceous penstemon, Meadow beardtongue, Mountain meadow beardtongue

native
Perennial herb

Penstemon speciosus Royal beardtongue, Royal penstemon, Showy penstemon

native
Perennial herb

Peraphyllum ramosissimum Wild crab apple

native
Shrub

Perideridia bolanderi ssp. bolanderi Bolander's yampah

native
Perennial herb

Perideridia gairdneri ssp. borealis Common yampah, Northern gairdner's yampah

native
Perennial herb

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Perideridia lemmonii Lemmon's yampah

native
Perennial herb

Perideridia oregana Oregon yampah

native
Perennial herb

Perideridia parishii ssp. latifolia Parish's yampah, Wide leaved parish's yampah

native
Perennial herb

Phacelia hastata Mountain phacelia, Silverleaf phacelia, Timberline phacelia

native
Perennial herb

Phacelia hastata var. compacta Timberline phacelia

native
Perennial herb

Phacelia hastata var. hastata Mountain phacelia

native
Perennial herb

Phacelia heterophylla ssp. virgata Varied leaf phacelia

native
Perennial herb

Phacelia humilis var. humilis Low phacelia

native
Annual herb

Phacelia inundata Playa phacelia, Playa yellow phacelia

• rare native
Annual herb

Phacelia linearis Linear leaf phacelia, Narrow leafed phacelia, Thread leaf phacelia

native
Annual herb

Phacelia mutabilis Changeable phacelia

native
Perennial herb

Phacelia purpusii Purpus' phacelia

native
Annual herb

Phacelia ramosissima var. eremophila Branching phacelia

native
Perennial herb

Phacelia ramosissima var. ramosissima Branching phacelia

native
Perennial herb

Phacelia sericea ssp. ciliosa Blue alpine phacelia

• rare native
Perennial herb

Phacelia sericea var. ciliosa Blue alpine phacelia

• rare native
Perennial herb

Phacelia thermalis Heat phacelia, Heated phacelia

native
Annual herb

Phalaris arundinacea Reed canarygrass

native
Perennial grass

Phleum alpinum Alpine timothy, Mountain timothy, Timothy grass

native
Perennial grass

Phleum pratense Common timothy, Cultivated timothy, Timothy

non-native
Perennial grass

Phlox diffusa Spreading phlox

native
Perennial herb

Phlox gracilis Slender phlox

native
Annual herb

Phlox hoodii ssp. canescens Carpet phlox, Gray phlox, Hood's phlox

native
Perennial herb

Phlox hoodii ssp. muscoides Moss phlox

• rare native
Perennial herb

Phlox muscoides Moss phlox

• rare native
Perennial herb

Phlox rigida Douglas' phlox

native
Perennial herb

Phlox speciosa ssp. occidentalis Showy phlox

native
Perennial herb

Phlox stansburyi Cold desert phlox

native
Perennial herb

Phoenicaulis cheiranthoides Common phoenicaulis, Dagger pod, Wallflower phoenicaulis

native
Perennial herb

Pilularia americana American pillwort

native
Fern

Pinus albicaulis Alpine white pine, Dwarf pine, Whitebark pine

native
Tree

Pinus attenuata Knobcone pine, Scrub pine

native
Tree

Pinus contorta var. murrayana Lodgepole pine, Tamarack

native
Tree

Pinus jeffreyi Jeffrey pine

native
Tree

Pinus lambertiana Sugar pine

native
Tree

Pinus monticola Mountain pine, Western white pine

native
Tree

Pinus ponderosa Ponderosa pine, Western yellow pine

native
Tree

Piperia unalascensis Alaska piperia, Alaska rein orchid, Rein orchid

native
Perennial herb

Plagiobothrys leptocladus Alkali plagiobothrys, Finebranched popcornflower

native
Annual herb

Plagiobothrys mollis Downy popcorn flower, Soft popcornflower

native
Perennial herb

Plagiobothrys scouleri Cognate popcorn flower, Popcorn flower, Sleeping popcorn flower

native
Annual herb

Plagiobothrys scouleri var. cusickii Cusick's popcorn flower

native
Annual herb

Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya, Stalked popcornflower

native
Annual herb

Plagiobothrys stipitatus var. micranthus

Platanthera dilatata var. leucostachys Sierra bog orchid, White Flowered Bog-Orchid

native
Perennial herb

Platanthera leucostachys Sierra bog orchid, White Flowered Bog-Orchid

native
Perennial herb

Platanthera stricta Slender bog orchid

• rare native
Perennial herb

Plectritis brachystemon Shortspur seablush

native
Annual herb

Plectritis congesta ssp. brachystemon Shortspur seablush

native
Annual herb

Plectritis macrocera Long horn plectritis, Longhorn plectritis, White plectritis

native
Annual herb

Pleiacanthus spinosus Thorn skeletonweed

native
Perennial herb

Poa bolanderi Bolander's blue grass, Bolander's bluegrass

native
Annual grass

Poa bulbosa Bulbous blue grass, Bulbous bluegrass

non-native
Perennial grass

Poa cusickii Cusick's bluegrass

native
Perennial grass

Poa leptocoma Marsh bluegrass

native
Perennial grass

Poa palustris Fowl blue grass, Fowl bluegrass

non-native
Perennial grass

Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass

• invasive non-native
Perennial grass

Poa secunda One sided blue grass, Pine bluegrass, Sandberg bluegrass

native
Perennial grass

Poa wheeleri Hooker's bluegrass, Wheeler's blue grass, Wheeler's bluegrass

native
Perennial grass

Polemonium micranthum Annual polemonium, Annual sky pilot, Small jacob's ladder

native
Annual herb

Polemonium occidentale Great polemonium, Western polemonium, Western sky pilot

native
Perennial herb

Polemonium pulcherrimum Jacob's ladder, Sky pilot

native
Perennial herb

Polemonium pulcherrimum ssp. pulcherrimum Sky pilot

native
Perennial herb

Polemonium pulcherrimum ssp. pulcherrimum

Polyctenium fremontii var. fremontii Fremont's combleaf, Fremont's polyctenium

• rare native
Perennial herb

Polygonum amphibium var. emersum Water smartweed

native
Perennial herb (aquatic)

Polygonum arenastrum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum bistortoides Western Bistort

native
Perennial herb

Polygonum douglasii Douglas' knotweed

native
Annual herb

Polygonum douglasii ssp. austiniae Rebecca austin's knotweed

native
Annual herb

Polygonum douglasii ssp. douglasii Douglas' knotweed

native
Annual herb

Polygonum douglasii ssp. spergulariiforme Spurry knotweed

native
Annual herb

Polygonum douglasii ssp. spergulariiforme

Polygonum minimum Broadleaf knotweed, Leafy dwarf knotweed, Little mountain knotweed

native
Annual herb

Polygonum parryi Parry's knotweed

native
Annual herb

Polygonum polygaloides ssp. conferti?orum Milkwort knotweed

native
Annual herb

Polygonum polygaloides ssp. conferti?orum

Polygonum polygaloides ssp. esotericum Modoc county knotweed, Whitemargin knotweed

• rare native
Annual herb

Polygonum polygaloides ssp. kelloggii Kellogg's knotweed

native
Annual herb

Polystichum imbricans Cliff sword fern, Narrow leaved sword fern, Narrowleaf swordfern

native
Fern

DRYOPTERIDACEAE

Polystichum kruckebergii Kruckeberg's hollyfern, Kruckeberg's sword fern

• rare native
Fern (rhizomatous)

DRYOPTERIDACEAE

Polystichum scopulinum Mountain holly fern, Mountain hollyfern

native
Fern

DRYOPTERIDACEAE

Populus alba Silver poplar, White poplar

non-native
Tree

Populus balsamifera ssp. trichocarpa Black cottonwood

native
Tree

Populus tremuloides Quaking aspen

native
Tree

Porterella carnosula Fleshy porterella, Porterella

native
Annual herb

Potamogeton alpinus Alpine pondweed

native
Perennial herb (aquatic)

Potamogeton alpinus ssp. tenuifolius Alpine pondweed

native
Perennial herb (aquatic)

Potamogeton diversifolius Diverse leaved pondweed, Rafinesque's pondweed, Waterthread pondweed

native
Perennial herb (aquatic)

Potamogeton natans Floating leaved pondweed, Floating pondweed

native
Perennial herb (aquatic)

Potamogeton zosteriformis Eel grass pondweed, Flatstem pondweed

• rare native
Annual herb (aquatic)

Potentilla biennis Biennial cinquefoil

native
Perennial herb

Potentilla drummondii ssp. breweri Brewer's cinquefoil

native
Perennial herb

Potentilla drummondii ssp. bruceae Bruce's cinquefoil

native
Perennial herb

Potentilla fruticosa Shrubby cinquefoil

native
Shrub

Potentilla glandulosa Sticky cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. ashlandica Austin's woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. nevadensis Sierran woodbeauty

native
Perennial herb

Potentilla glandulosa ssp. pseudorupestris False rock loving cinquefoil

native
Perennial herb

Potentilla glandulosa ssp. pseudorupestris

Potentilla glandulosa ssp. re?exa Sticky cinquefoil

native
Perennial herb

Potentilla gracilis var. ?abelliformis Northwest cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. fastigiata Slender cinquefoil

native
Perennial herb

Potentilla millefolia Cut leaf cinquefoil, Cut leaved cinquefoil, Cutleaf cinquefoil

native
Perennial herb

Potentilla newberryi Newberry's cinquefoil

• rare native
Perennial herb

Potentilla palustris Marsh cinquefoil

native
Perennial herb

Potentilla rivalis Brook cinquefoil

native
Annual, Perennial herb

Prunella vulgaris ssp. lanceolata Lance leaf self heal, Mountain selfheal

native
Perennial herb

Prunus emarginata Bitter cherry

native
Tree, Shrub

Prunus subcordata Klamath plum, Sierra plum

native
Tree, Shrub

Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry

native
Tree, Shrub

Pseudognaphalium stramineum Cottonbatting plant

native
Perennial herb

Pseudoroegneria spicata ssp. spicata Blue bunch wheat grass

native
Perennial grass

Pseudostellaria jamesiana Tuber starwort

native
Perennial herb

Pseudotsuga menziesii Douglas fir

native
Tree

Psilocarphus brevissimus var. brevissimus Short woollyheads, Woolly heads, Woolly marbles

native
Annual herb

Psilocarphus brevissimus var. brevissimus

Psilocarphus elatior Meadow woollyheads, Tall woolly marbles

• rare native
Annual herb

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native
Fern

DENNSTAEDTIACEAE

Pterospora andromedea Pine drops, Pine drops, Woodland pinedrops

native
Perennial herb (parasitic)

Pteryxia terebinthina var. californica Pteryxia, Turpentine cymopterus

native
Perennial herb

Pulsatilla occidentalis Western anemone, Western pasque flower

native
Perennial herb

Purshia tridentata Antelope bitterbrush, Antelope bush, Bitterbrush

native
Shrub

Pyrola aphylla Leafless wintergreen

native
Perennial herb

Pyrola asarifolia Bog wintergreen, Liverleaf wintergreen

native
Perennial herb

Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf

native
Perennial herb

Pyrrocoma carthamoides var. cusickii Cusick's columbia pyrrocoma, Largeflower goldenweed

native
Perennial herb

Pyrrocoma hirta var. lanulosa Tacky goldenweed, Woolly pyrrocoma

native
Perennial herb

Quercus kelloggii Black oak, California black oak

native
Tree

FAGACEAE

Raillardella argentea Silky raillardella

native
Perennial herb

Ranunculus alismifolius var. alismifolius Plantainleaf buttercup, Water plantain buttercup

native
Perennial herb

Ranunculus alismifolius var. alismifolius

Ranunculus andersonii Anderson's buttercup

native
Perennial herb

Ranunculus aquatilis white water buttercup

native
Perennial herb (aquatic)

Ranunculus glaberrimus var. ellipticus Elliptical buttercup, Narrow leaved smooth buttercup

native
Perennial herb

Ranunculus glaberrimus var. glaberrimus Sagebrush buttercup, Smooth buttercup

native
Perennial herb

Ranunculus occidentalis Western buttercup

native
Perennial herb

Ranunculus testiculatus Tubercled crowfoot

non-native
Annual herb

Ranunculus uncinatus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup

native
Annual, Perennial herb

Rhamnus rubra Red buckthorn

native
Shrub

Rhodiola integrifolia ssp. integrifolia Ledge stonecrop

native
Perennial herb

CRASSULACEAE

Ribes aureum var. aureum Golden currant

native
Shrub

Ribes cereum var. cereum Wax currant

native
Shrub

Ribes cruentum Sierra gooseberry, Spiny fruited gooseberry

native
Shrub

Ribes hudsonianum var. petiolare Western black currant

• rare native
Shrub

Ribes inerme var. inerme White stemmed gooseberry, Whitestem gooseberry

native
Shrub

Ribes lacustre Prickly currant, Swamp currant

native
Shrub

Ribes montigenum Alpine prickly current, Gooseberry currant, Mountain gooseberry

native
Shrub

Ribes roezlii Sierra gooseberry, Sierran Gooseberry

native
Shrub

Ribes roezlii var. cruentum Sierra gooseberry, Spiny fruited gooseberry

native
Shrub

Ribes roezlii var. roezlii Sierra gooseberry

native
Shrub

Ribes velutinum Desert gooseberry

native
Shrub

Ribes viscosissimum Sticky currant, Sticky flowering currant

native
Shrub

Robinia pseudoacacia Black locust

• invasive non-native
Tree

Rorippa columbiae Columbia yellow cress, Columbian yellowcress

• rare native
Perennial herb (rhizomatous)

Rorippa curvisiliqua Curvepod yellow cress, Curvepod yellowcress, Western yellow cress

native
Annual, Perennial herb

Rorippa nasturtium-aquaticum Watercress

native
Perennial herb (aquatic)

Rorippa palustris Bog yellow cress, Bog yellowcress

native
Annual, Perennial herb

Rorippa sinuata Spreading yellow cress, Spreading yellowcress

native
Perennial herb (aquatic)

Rosa californica California wild rose, California wildrose

native
Shrub

Rosa gymnocarpa Dwarf rose, Baldhip rose

native
Shrub

Rosa woodsii var. ultramontana Interior rose

native
Shrub

Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry

native
Shrub

Rumex acetosella Common sheep sorrel

• invasive non-native
Perennial herb

Rumex aquaticus var. fenestratus Western dock

native
Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

• invasive non-native
Perennial herb

Rumex occidentalis Western dock

native
Perennial herb

Rumex venosus Veiny dock, Winged dock

• rare native
Perennial herb

Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort

native
Perennial herb

Sagittaria cuneata Arum leaved arrowhead, Arumleaf arrowhead, Tule potato

native
Perennial herb

Salix alba White willow

non-native
Shrub, Tree

Salix bebbiana Bebb willow, Gray willow

• rare native
Tree

Salix boothii Booth's willow

native
Shrub

Salix eastwoodiae Mountain willow

native
Shrub

Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow

native
Tree, Shrub

Salix geyeriana Geyer's willow

native
Shrub

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salix lemmonii Lemmon's willow

native
Shrub

Salix lucida ssp. caudata Shining willow

native
Shrub

Salix lucida ssp. lasiandra Pacific willow

native
Tree

Salix planifolia Diamondleaf willow

native
Shrub

Salix prolixa Mackenzie's willow

native
Tree, Shrub

Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow

native
Tree, Shrub

Salsola iberica Prickly russian thistle, Russianthistle, Tumbleweed

• invasive non-native
Annual herb

Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed

• invasive non-native
Annual herb

Salvia aethiopis Mediterranean sage

• invasive non-native
Perennial herb

Salvia dorrii ssp. dorrii var. incana Desert sage, Fleshy sage, Great basin sage

• rare native
Shrub

Salvia dorrii var. incana Desert sage, Fleshy sage, Great basin sage

• rare native
Shrub

Salvia dorrii var. pilosa Hairy sage

native
Shrub

Sambucus nigra ssp. canadensis Blue elderberry

native
Shrub

VIBURNACEAE

Sambucus racemosa var. racemosa Pacific red elderberry

native
Shrub

VIBURNACEAE

Sanguisorba annua Western burnet

native
Annual, Perennial herb

Sanguisorba occidentalis Western burnet

native
Annual, Perennial herb

Sanicula graveolens Northern sanicle, Sierra sanicle

native
Perennial herb

Saxifraga aprica Sierra saxifrage

native
Perennial herb

Saxifraga oregana Bog saxifrage

native
Perennial herb

Schoenoplectus acutus var. occidentalis Tule

native
Perennial grasslike herb

Scirpus acutus var. occidentalis Tule

native
Perennial grasslike herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native
Perennial grasslike herb

Sclerolinon digynum Digynum flax

native
Annual herb

LINACEAE

Scrophularia californica California bee plant, California figwort

native
Perennial herb

SCROPHULARIACEAE

Scutellaria antirrhinoides Nose skullcap, Snapdragon skullcap

native
Perennial herb

Scutellaria galericulata Marsh skullcap

• rare native
Perennial herb (rhizomatous)

Scutellaria nana Dwarf skullcap, Little skullcap

native
Perennial herb (rhizomatous)

Sedum lanceolatum Lance leaf stonecrop, Spearleaf stonecrop

native
Perennial herb

CRASSULACEAE

Sedum stenopetalum Narrow leaf stonecrop, Wormleaf stonecrop

native
Perennial herb

CRASSULACEAE

Senecio aronicoides California butterweed, California groundsel, California rayless butterweed

native
Perennial herb

Senecio fremontii Dwarf mountain ragwort, Fremont's groundsel

native
Perennial herb

Senecio hydrophiloides Sweet marsh ragwort, Tall groundwel

• rare native
Perennial herb

Senecio hydrophilus Alkali marsh ragwort, Water groundsel, Water ragwort

native
Perennial herb

Senecio indecorus Elegant groundsel, Rayless mountain ragwort

• rare native
Perennial herb

Senecio integerrimus var. exaltatus Columbia mountain butterweed, Columbia ragwort, Groundsel

native
Perennial herb

Senecio integerrimus var. major Lambstongue groundsel, Lambstongue ragwort

native
Perennial herb

Senecio multilobatus Lobeleaf groundsel

native
Perennial herb

Senecio serra var. serra Tall ragwort

native
Perennial herb

Senecio triangularis Arrow leaved ragwort, Arrowhead butterweed, Arrowleaf ragwort

native
Perennial herb

Sibbaldia procumbens Creeping sibbaldia, Sibbaldia

native
Perennial herb

Sidalcea glaucescens Glaucous checker mallow, Waxy checkerbloom, Waxy checkermallow

native
Perennial herb

Sidalcea oregana ssp. oregana Oregon checker mallow, Oregon checkerbloom

native
Perennial herb

Sidalcea oregana ssp. spicata Oregon checker mallow, Oregon checkerbloom, Spicate checker mallow

native
Perennial herb

Silene bridgesii Bridges campion, Bridges' campion, Bridges' catchfly

native
Perennial herb

Silene douglasii Douglas catchfly, Douglas' campion, Douglas's catchfly

native
Perennial herb

Silene lemmonii Lemmon campion, Lemmon's catchfly

native
Perennial herb

Silene menziesii Menzies' campion

native
Perennial herb

Silene nuda Naked campion, Western fringed catchfly

native
Perennial herb

Silene verecunda ssp. platyota Dolores campion, San Francisco campion

native
Perennial herb

Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard

non-native
Annual herb

Sisyrinchium douglasii var. douglasii Douglas' grasswidow

native
Perennial herb

Sisyrinchium idahoënse var. idahoënse Idaho blue eyed grass

native
Perennial herb

Smilacina racemosa Feathery false lily of the valley

native
Perennial herb

Smilacina stellata Starry false lily of the valley

native
Perennial herb

Solanum physalifolium Hoe nightshade

non-native
Shrub

Solanum sarrachoides Hoe nightshade

non-native
Shrub

Solidago canadensis ssp. elongata West coast canada goldenrod

native
Perennial herb

Solidago canadensis var. salebrosa Western goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago multiradiata Northern goldenrod, Rocky mountain goldenrod

native
Perennial herb

Solidago velutina Threenerve goldenrod

native
Perennial herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native
Annual herb

Sorbus scopulina var. scopulina Greene's mountain ash

native
Shrub

Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed

native
Perennial herb

TYPHACEAE

Sparganium emersum ssp. emersum European bur reed

native
Perennial herb

TYPHACEAE

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

Sphenosciadium capitellatum Ranger's Buttons, Swamp White Heads

native
Perennial herb

Spiraea douglasii Douglas spiraea, Douglas' spirea, Douglas's spirea

native
Shrub

Spiranthes porrifolia Creamy ladies tresses, Creamy ladies' tresses, Western ladies tresses

native
Perennial herb

Stachys ajugoides var. rigida Mexican hedgenettle

native
Perennial herb

Stachys palustris ssp. pilosa Prairie woundwort

• rare native
Perennial herb

Stachys pilosa var. pilosa Prairie woundwort

• rare native
Perennial herb

Stachys rigida var. rigida Rough hedgenettle

native
Perennial herb

Stellaria crispa Curled starwort, Ruffled starwort

native
Perennial herb

Stellaria longipes Longstalk starwort

native
Perennial herb

Stellaria media Chickweed

non-native
Annual herb

Stellaria umbellata Umbellate chickweed, Umbrella starwort

native
Perennial herb

Stenotus acaulis Stemless mock goldenweed

native
Perennial herb

Stenotus stenophyllus Narrowleaf mock goldenweed

native
Perennial herb

Stephanomeria lactucina Forest stephanomeria, Large flowered stephanomeria, Wirelettuce

native
Perennial herb

Stephanomeria minor var. minor Narrow leaved stephanomeria, Narrow leaved wire lettuce, Wire lettuce

native
Perennial herb

Stephanomeria spinosa Thorn skeletonweed

native
Perennial herb

Streptanthus cordatus var. cordatus Heartleaf jewelflower, Heartleaf twistflower

native
Perennial herb

Streptanthus tortuosus var. orbiculatus Jewelweed, Mountain jewelflower, Shieldplant

native
Annual, Perennial herb

Swertia albicaulis var. albicaulis Whitestem frasera

native
Perennial herb

Swertia albicaulis var. nitida Whitestem frasera

native
Perennial herb

Swertia radiata Monument plant

native
Perennial herb

Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry, Snowberry

native
Shrub

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

Symphoricarpos rotundifolius Mountain snowberry, Roundleaf snowberry

native
Shrub

Symphoricarpos rotundifolius var. rotundifolius Mountain snowberry, Roundleaved snowberry

native
Shrub

Symphoricarpos rotundifolius var. rotundifolius

Symphyotrichum ascendens Western aster

native
Perennial herb

Symphyotrichum eatonii Eaton's aster

native
Perennial herb

Symphyotrichum foliaceum Alpine leafybract aster

native
Perennial herb

Symphyotrichum spathulatum var. spathulatum Western mountain aster

native
Perennial herb

Symphyotrichum spathulatum var. spathulatum

Synthyris missurica Tailed kittentails

native
Perennial herb

Taeniatherum caput-medusae Medusa head

• invasive non-native
Annual grass

Tetradymia canescens Gray horsebrush, Spineless horsebrush

native
Shrub

Thalictrum fendleri var. fendleri Fendler's meadow rue

native
Perennial herb

Thalictrum occidentale Western meadow rue

native
Perennial herb

Thermopsis californica var. argentata Silvery false lupine

• rare native
Perennial herb (rhizomatous)

Thermopsis macrophylla var. argentata Silvery false lupine

• rare native
Perennial herb (rhizomatous)

Thinopyrum intermedium Intermediate wheatgrass

non-native
Perennial grass

Torreyochloa erecta Spiked false mannagrass, Spiked mannagrass, Upright mannagrass

native
Perennial grass

Torreyochloa pallida var. pauci?ora Pale false mannagrass

native
Perennial grass (rhizomatous)

Tragopogon dubius Goat's beard, Yellow salsify

• invasive non-native
Perennial herb

Tragopogon porrifolius Purple salsify

non-native
Perennial herb

Tribulus terrestris Puncture vine, Puncturevine

• invasive non-native
Annual herb

ZYGOPHYLLACEAE

Trichostema lanceolatum Vinegarweed

native
Annual herb

Trichostema oblongum Mountain bluecurls, Oblong bluecurls

native
Annual herb

Trifolium andersonii ssp. andersonii Anderson's clover

• rare native
Perennial herb

Trifolium beckwithii Beckwith's clover

native
Perennial herb

Trifolium ciliolatum Foothill clover, Tree clover

native
Annual herb

Trifolium kingii var. productum Productive clover

native
Perennial herb

Trifolium longipes ssp. hansenii Hansen's clover

native
Perennial herb

Trifolium longipes var. nevadense Hansen's clover

native
Perennial herb

Trifolium macrocephalum Big headed clover, Largehead clover

native
Perennial herb

Trifolium polyodon Pacific grove clover

• rare native
Annual herb

Trifolium pratense Red clover

non-native
Perennial herb

Trifolium productum Productive clover

native
Perennial herb

Trifolium repens White clover

non-native
Perennial herb

Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover

native
Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native
Perennial herb

Trimorpha acris var. debilis Northern daisy

• rare native
Perennial herb

Triphysaria eriantha ssp. eriantha Butter 'n' eggs, Johnny tuck

native
Annual herb

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Trisetum cernuum Nodding oatgrass, Nodding trisetum

native
Perennial grass

Trisetum spicatum Narrow oatgrass, Spike trisetum

native
Perennial grass

Triteleia hyacinthina White brodiaea, Wild hyacinth, White Brodiaea, Fool's Onion

native
Perennial herb

Triteleia ixioides ssp. anilina Mountain pretty face, Prettyface

native
Perennial herb

Tsuga mertensiana Mountain hemlock

native
Tree

Typha latifolia Broadleaf cattail, Common cattail, Soft flag

native
Perennial herb (aquatic)

TYPHACEAE

Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle

native
Perennial herb

URTICACEAE

Utricularia macrorhiza Common bladderwort

native
Perennial herb

LENTIBULARIACEAE

Utricularia minor Lesser bladderwort

• rare native
Annual herb

LENTIBULARIACEAE

Utricularia vulgaris Common bladderwort

native
Perennial herb

LENTIBULARIACEAE

Vaccinium caespitosum Dwarf bilberry, Huckleberry

native
Shrub

Vaccinium deliciosum Cascade bilberry

native
Shrub (stem succulent)

Vaccinium membranaceum Thin leaf huckleberry, Thinleaf huckleberry

native
Shrub

Valeriana californica California valerian

native
Perennial herb

Veratrum californicum var. californicum California corn lily, California false hellebore, Western false hellebore

native
Perennial herb

MELANTHIACEAE

Verbascum thapsus Common mullein, Woolly mullein

• invasive non-native
Perennial herb

SCROPHULARIACEAE

Veronica americana American brooklime, American speedwell, Brooklime

native
Perennial herb

Veronica cusickii Cusick's speedwell

• rare native
Perennial herb

Veronica peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell

native
Annual herb

Veronica scutellata Marsh speedwell, Skullcap speedwell

native
Perennial herb

Veronica serpyllifolia ssp. humifusa Bright blue speedwell, Brightblue speedwell, Sprawling speedwell

native
Perennial herb

Vicia americana ssp. americana American vetch

native
Perennial herb, Vine

Viola adunca Blue violet, Dog violet, Hookedspur violet

native
Perennial herb

Viola beckwithii Beckwith's violet, Great basin violet

native
Perennial herb

Viola lobata ssp. integrifolia Delta leafed forest violet, Pine violet, Yellow violet

native
Perennial herb

Viola macloskeyi Macloskey's violet, Small white violet

native
Perennial herb

Viola nephrophylla Leconte violet, Northern bog violet

native
Perennial herb

Viola praemorsa ssp. linguifolia Astoria violet, Upland yellow violet

native
Perennial herb

Viola praemorsa ssp. praemorsa Astoria violet, Canary violet

native
Perennial herb

Viola purpurea ssp. integrifolia Goosefoot violet, Smooth leaved violet

native
Perennial herb

Viola purpurea ssp. purpurea Goosefoot violet, Mountain Violet

native
Perennial herb

Viola purpurea ssp. venosa Desert violet, Goosefoot violet, Goosefoot yellow violet

native
Perennial herb

Viola sororia ssp. af?nis Common blue violet

native
Perennial herb

Vulpia microstachys Small fescue

native
Annual grass

Vulpia microstachys var. pauci?ora Small fescue

native
Annual grass

Whitneya dealbata Mock leopardbane

native
Perennial herb

Woodsia oregana Cliff fern, Oregon cliff fern, Oregon woodsia

native
Fern

WOODSIACEAE

Woodsia scopulina Cliff fern, Mountain cliff fern, Rocky mountain woodsia

native
Fern

WOODSIACEAE

Wyethia angustifolia California compassplant, Narrow leaf mule ears, Narrow leaved mule ears

native
Perennial herb

Wyethia mollis Mountain mule ears, Mule ears, Woolly mule ears

native
Perennial herb

Xanthium spinosum Spiny clotbur, Spiny cockleburr

non-native
Annual herb

Xanthium strumarium Rough cockleburr

native
Annual herb