Redwood National Park plant list from NPS IRM Illustrated Plant List

Abies grandis Grand fir

native
Tree

Abronia latifolia Coastal sand verbena, Sand verbena, Yellow sand verbena

native
Perennial herb

NYCTAGINACEAE

Abronia umbellata Beach sand verbena, Pink sand verbena, Purple sand verbena

native
Perennial herb

NYCTAGINACEAE

Abronia umbellata var. breviflora Pink sand-verbena

• rare native
Perennial herb

NYCTAGINACEAE

Acacia dealbata Silver wattle

• invasive non-native
Tree, Shrub

Acacia mearnsii Black wattle

non-native
Tree, Shrub

Acer circinatum Vine maple

native
Tree, Shrub

SAPINDACEAE

Acer macrophyllum Big leaf maple, Bigleaf maple

native
Tree

SAPINDACEAE

Achillea millefolium Common yarrow

native
Perennial herb

Achlys triphylla Sweet after death

native
Perennial herb

Achlys triphylla ssp. tryphylla Sweet after death

native
Perennial herb

Acmispon americanus var. americanus American bird's foot trefoil, American trefoil, Spanish lotus

native
Annual herb

Acmispon parviflorus Hill lotus

native
Annual herb

Actaea rubra baneberry, Western baneberry

native
Perennial herb

Adenocaulon bicolor American trailplant, Trail plant

native
Perennial herb

Adiantum aleuticum Five finger fern

native
Fern

Adiantum pedatum Five finger fern

native
Fern

Ageratina occidentalis Western eupatorium, Western joepiweed, Western snakeroot

native
Perennial herb

Agoseris apargioides var. eastwoodiae Beach dandelion, Eastwood's seaside agoseris, Woolly goat chicory

native
Perennial herb

Agoseris grandiflora Bigflower agoseris, California dandelion, Giant mountain dandelion

native
Perennial herb

Agrostis alba Creeping bentgras, Giant bentgrass, Redtop

non-native
Perennial grass

Agrostis capillaris Colonial bentgrass

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 hallii Hall redtop, Hall's bent grass, Hall's bentgrass

native
Perennial grass

Agrostis hallii var. hallii Hall redtop, Hall's bent grass, Hall's bentgrass

native
Perennial grass

Agrostis idahoensis Colonial bentgrass, Idaho bentgrass

native
Perennial grass

Agrostis microphylla Little leaf bentgrass, Small leaf bentgrass, Small leaved bentgrass

native
Annual grass

Agrostis stolonifera Creeping bentgrass, Redtop

• invasive non-native
Perennial grass

Agrostis tenuis var. aristata Colonial bentgrass

non-native
Perennial grass

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

• invasive non-native
Annual grass

Aira praecox Yellow hairgrass

• invasive non-native
Annual grass

Allium

Allium falcifolium Scytheleaf onion, Sickle leaf onion

native
Perennial herb (bulb)

ALLIACEAE

Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion

• invasive non-native
Perennial herb (bulb)

ALLIACEAE

Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick

native
Perennial herb (mycoparasitic)

Alnus rhombifolia White alder

native
Tree

Alnus rubra Oregon alder, Red alder

native
Tree, Shrub

Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail

native
Perennial grass

Alopecurus geniculatus Marsh foxtail, Water foxtail

native
Perennial grass

Alstroemeria

Amaryllis belladonna Belladonna lily

non-native
Perennial herb

AMARYLLIDACEAE

Ambrosia chamissonis Beach bur, Silver beachweed

native
Perennial herb

Amelanchier alnifolia Saskatoon serviceberry, Service berry

native
Shrub

Amelanchier alnifolia var. semiintegrifolia Pacific serviceberry, Service berry

native
Shrub

Amelanchier alnifolia var. semiintegrifolia

Amelanchier pallida Pale serviceberry, Pallid serviceberry, Sarvis

native
Shrub

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

native
Shrub

Ammophila arenaria Beachgrass, European beach grass, European beachgrass

• invasive non-native
Perennial grass

Amsinckia intermedia Common fiddleneck

native
Annual herb

Amsinckia lycopsoides Bugloss fiddleneck, Tarweed fiddleneck

native
Annual herb

Amsinckia menziesii var. intermedia Common fiddleneck

native
Annual herb

Anagallis arvensis Scarlet pimpernel

non-native
Annual herb

MYRSINACEAE

Anaphalis margaritacea Pearly everlasting

native
Perennial herb

Anemone deltoidea Columbian windflower

native
Perennial herb

Anemone oregana Blue windflower, Oregon anemone, Western wood anenome

native
Perennial herb

Anemone oregana var. oregana Blue windflower

native
Perennial herb

Anethum graveolens Dill

non-native
Annual herb

Angelica genuflexa Kneeling angelica

native
Perennial herb

Angelica hendersonii Coast angelica, Henderson's angelica

native
Perennial herb

Angelica tomentosa Woolly angelica

native
Perennial herb

Angelica tomentosa var. hendersonii Coast angelica, Henderson's angelica

native
Perennial herb

Angelica tomentosa var. tomentosa Woolly angelica

native
Perennial herb

Anisocarpus madioides Woodland madia

native
Perennial herb

Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile

• invasive non-native
Annual herb

Anthoxanthum aristatum Annual vernal grass, Annual vernalgrass

non-native
Annual grass

Anthoxanthum occidentale California sweet grass, Vanilla grass

native
Perennial grass

Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass

• invasive non-native
Annual, Perennial grass

Aphanes occidentalis Western lady's mantle

native
Annual, Perennial herb

Apocynum androsaemifolium Bitter dogbane, Spreading dogbane

native
Perennial herb

APOCYNACEAE

Aquilegia formosa Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Aquilegia formosa var. truncata Crimson columbine, Sitka columbine, Western columbine

native
Perennial herb

Arabis glabra Tower rockcress

native
Perennial herb

Arabis glabra var. glabra Tower rockcress

native
Perennial herb

Arabis hirsuta var. glabrata Eschscholtz's hairy rockcress

native
Perennial herb

Aralia californica California spikenard, Elk's clover, Elkclover

native
Perennial herb

ARALIACEAE

Araucaria araucana Small Tree-Mallow

Arbutus menziesii Madrono, Pacific madrone, Madrone

native
Tree

Arbutus unedo Strawberry tree

non-native
Tree

Arceuthobium campylopodum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe

native
Perennial herb (parasitic)

VISCACEAE

Arctium minus Common burdock, Lesser burdock, Small burdock

non-native
Perennial herb

Arctostaphylos canescens Hoary manzanita

native
Shrub

Arctostaphylos columbiana Hairy manzanita, Redwood manzanita

native
Tree, Shrub

Arctostaphylos hispidula Howell's manzanita

• rare native
Shrub

Arctostaphylos manzanita Common manzanita

native
Shrub

Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita

native
Shrub

Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita

native
Shrub

Arctostaphylos nevadensis ssp. nevadensis

Arctostaphylos uva-ursi Bearberry manzanita, Kinnikinnick

native
Shrub

Arctostaphylos viscida Sticky whiteleaf manzanita

native
Tree, Shrub

Arenaria douglasii Douglas' sandwort, Douglas' stitchwort

native
Annual herb

Armeria maritima ssp. californica California sea pink, California seapink, Sea pink or thrift

native
Perennial herb

PLUMBAGINACEAE

Arnica cordifolia Heart leaved arnica, Heartleaf arnica

native
Perennial herb

Arnica spathulata Klamath arnica

• rare native
Perennial herb (rhizomatous)

Arnica Xdiversifolia Sticky leaf arnica

native
Perennial herb

Arrhenatherum elatius Tall oatgrass

non-native
Perennial grass

Artemisia douglasiana California mugwort, Douglas' sagewort

native
Perennial herb

Artemisia suksdorfii Coastal mugwort

native
Perennial herb

Aruncus dioicus var. acuminatus goatsbeard

native
Perennial herb

Asarum caudatum Creeping wild ginger, Longtail wild ginger

native
Perennial herb

ARISTOLOCHIACEAE

Aspidotis densa Cliffbrake, Lace fern

native
Fern

Aster breweri Brewer's aster

native
Perennial herb

Aster spathulatus Western mountain aster

native
Perennial herb

Asyneuma prenanthoides California harebell

native
Perennial herb

CAMPANULACEAE

Athyrium filix-femina Common ladyfern

native
Fern

ATHYRIACEAE

Athyrium filix-femina var. cyclosorum Common lady fern, Subarctic lady fern, Western lady fern

native
Fern

ATHYRIACEAE

Atriplex leucophylla Beach salt bush, Beach saltbush, Sea scale

native
Perennial herb

Avena barbata Slender oat, Slim oat

• invasive non-native
Annual grass

Avena fatua Wild oat, Wildoat

• invasive non-native
Annual grass

Avena sativa Common oats, Cultivated oats, Wild oat

non-native
Annual, Perennial grass

Baccharis pilularis Coyote brush, Dwarf chaparral broom

native
Shrub

Baccharis pilularis ssp. consanguinea Coyote brush

native
Shrub

Bambusa

Barbarea orthoceras American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Barbarea orthoceras var. dolichocarpa American rocket, American wintercress, Erectpod wintercress

native
Perennial herb

Bellis perennis English daisy, English lawn daisy

• invasive non-native
Perennial herb

Berberis aquifolium Mountain grape, Mountaingrape, Oregon grape

native
Shrub

Berberis aquifolium var. aquifolium Oregon grape, Piper's barberry

native
Shrub

Berberis aquifolium var. repens Creeping oregon grape, Dwarf mahonia

native
Shrub

Berberis darwinii Darwin's berberis

• invasive non-native
Shrub

Berberis nervosa Cascades oregon grape, Oregongrape

native
Shrub

Berberis pinnata California barberry, Coast barberry, Shiny leaf mahonia

native
Shrub

Bidens frondosa Devil's beggartick, Sticktight

native
Annual herb

Blechnum spicant Deer fern

native
Fern

BLECHNACEAE

Boykinia elata Brook foam, Coastal brookfoam, Western boykinia

native
Perennial herb

Boykinia major Large boykinia, Mountain boykinia, Stream boykinia

native
Perennial herb

Boykinia occidentalis Brook foam, Coastal brookfoam, Western boykinia

native
Perennial herb

Brassica campestris Field mustard, Turnip

• invasive non-native
Annual herb

Brassica nigra Black mustard

• invasive non-native
Annual herb

Brassica rapa Common mustard, Field mustard, Rape mustard

• invasive non-native
Annual herb

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 elegans Harvest brodiaea

native
Perennial herb

Brodiaea ida-maia Firecracker brodiaea, Firecracker flower

native
Perennial herb

Brodiaea terrestris Dwarf brodiaea

native
Perennial herb

Bromus carinatus California brome

native
Perennial grass

Bromus carinatus var. carinatus California brome, Mountain brome

native
Perennial grass

Bromus carinatus var. maritimus Maritime brome

native
Perennial grass

Bromus catharticus var. elatus Chilean brome

non-native
Annual, Perennial grass

Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass

• invasive non-native
Annual grass

Bromus hordeaceus Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus inermis ssp. inermis Smooth brome

non-native
Perennial grass

Bromus inermis ssp. inermis var. inermis Smooth brome

non-native
Perennial grass

Bromus inermis ssp. inermis var. inermis

Bromus maritimus Maritime brome

native
Perennial grass

Bromus mollis Soft brome, Soft chess

• invasive non-native
Annual grass

Bromus sterilis Poverty brome, Sterile brome

non-native
Annual grass

Bromus vulgaris Columbia brome, Common brome

native
Perennial grass

Buddleja davidii Butterfly bush, Summer lilac

• invasive non-native
Tree, Shrub

Buxus microphylla Small Tree-Mallow

Cakile edentula American searocket, Sea rocket

non-native
Annual herb

Cakile maritima European searocket, Sea rocket

• invasive non-native
Annual herb

Calamagrostis nutkaensis Pacific reedgrass

native
Perennial grass

Calandrinia ciliata red maids, Calandrinia

native
Annual herb

Callitriche heterophylla Varied leaved water starwort, Water starwort

native
Perennial herb

Callitriche heterophylla var. bolanderi Bolander's water starwort

native
Annual herb

Callitriche stagnalis Pond water starwort

non-native
Annual herb (aquatic)

Calochortus tolmiei Hairy star tulip, Tolmie star tulip, Tolmie's star tulip

native
Perennial herb

Caltha leptosepala White marsh marigold

native
Perennial herb

Caltha leptosepala var. biflora White marsh marigold

native
Perennial herb

Calypso bulbosa Fairy slipper, Fairyslipper orchid

native
Perennial herb

Calypso bulbosa var. occidentalis Fairy slipper

native
Perennial herb

Calystegia atriplicifolia Nightblooming false bindweed

native
Perennial herb (rhizomatous)

Calystegia atriplicifolia ssp. buttensis Butte county morning glory

• rare native
Perennial herb (rhizomatous)

Calystegia atriplicifolia ssp. buttensis

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

native
Perennial herb

Calystegia occidentalis ssp. occidentalis

Calystegia soldanella Beach morning glory, Beach morningglory

native
Perennial herb

Camassia leichtlinii ssp. suksdorfii Suksdorf's large camas

native
Perennial herb

Camellia japonica Small Tree-Mallow

Camissonia cheiranthifolia Beach evening-primrose

native
Perennial herb

Camissonia cheiranthifolia ssp. cheiranthifolia Beach evening-primrose

native
Perennial herb

Camissonia cheiranthifolia ssp. cheiranthifolia

Capsella bursa-pastoris Shepherd's purse

non-native
Annual herb

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

native
Perennial herb

Cardamine californica California toothwort, milkmaids

native
Perennial herb

Cardamine integrifolia California toothwort, milkmaids

native
Perennial herb

Cardamine oligosperma Bitter cress, Idaho bittercress

native
Annual, Perennial herb

Cardionema ramosissimum Sand mat, Sandcarpet

native
Perennial herb

Carex aquatilis var. dives Sitka sedge

native
Perennial grasslike herb

Carex concinnoides Northwestern sedge

native
Perennial grasslike herb

Carex deweyana ssp. leptopoda Slender-footed sedge

native
Perennial grasslike herb

Carex dudleyi Dense sedge, Sedge

native
Perennial grasslike herb

Carex globosa Round fruit sedge

native
Perennial grasslike herb

Carex hendersonii Henderson's sedge

native
Perennial grasslike herb

Carex leporina Hare or oval sedge

native
Perennial grasslike herb

Carex leptopoda Slender-footed sedge

native
Perennial grasslike herb

Carex mendocinensis Mendocino sedge

native
Perennial grasslike herb

Carex obnupta Coast carex, Slough sedge

native
Perennial grasslike herb

Carex ovalis Hare or oval sedge

native
Perennial grasslike herb

Carex praegracilis Clustered field sedge, Field sedge

native
Perennial grasslike herb

Carex simulata Analogue sedge, Short beaked sedge

native
Perennial grasslike herb

Carex sitchensis Sitka sedge

native
Perennial grasslike herb

Carex stipata Awlfruit sedge

native
Perennial grasslike herb

Carex stipata var. stipata Awl fruited sedge, Owlfruit sedge

native
Perennial grasslike herb

Carex tumulicola Foothill sedge, Slender sedge, Split awn sedge

native
Perennial grasslike herb

Carpobrotus chilensis Sea fig

• invasive non-native
Perennial herb

AIZOACEAE

Castanopsis chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Castilleja affinis Indian paintbrush

native
Perennial herb

Castilleja affinis ssp. affinis Coast indian paintbrush

native
Perennial herb

Castilleja attenuata Narrow leaved owl's clover, Valley tassels

native
Annual herb

Castilleja miniata ssp. elata Siskiyou indian paintbrush

native
Perennial herb (hemiparasitic)

Caucalis microcarpa California hedge parsley, False carrot

native
Annual herb

Ceanothus pumilus Dwarf ceanothus, Siskiyou mat

native
Shrub

Ceanothus thyrsiflorus Blueblossom

native
Tree, Shrub

Ceanothus velutinus var. hookeri Tobacco brush, snowbrush

native
Tree, Shrub

Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote

• invasive non-native
Annual herb

Centaurea stoebe ssp. micranthos Spotted knapweed

• invasive non-native
Perennial herb

Centaurium erythraea Common centaury, European centaury

non-native
Annual herb

Centaurium floribundum Muehlenberg's centaury

native
Annual herb

Centaurium muehlenbergii Muehlenberg's centaury

native
Annual herb

Centranthus ruber Jupiter's beard, Red valerian

non-native
Annual, Perennial herb

Cephalanthera austiniae Phantom orchid

native
Perennial herb

Cerastium arvense Field chickweed, Meadow chickweed

native
Perennial herb

Cerastium arvense ssp. strictum Field chickweed

native
Perennial herb

Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Cerastium viscosum Large mouse ears, Mouseear chickweed, Sticky chickweed

non-native
Annual herb

Ceratophyllum demersum Coon's tail, Hornwort

native
Perennial herb

CERATOPHYLLACEAE

Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany

native
Tree, Shrub

Chamaecyparis lawsoniana Port orford cedar

native
Tree

Chamerion angustifolium ssp. circumvagum Fireweed

native
Perennial herb

Chamerion angustifolium ssp. circumvagum

Cheilanthes gracillima Lace lip fern

native
Fern

Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot

non-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

Chimaphila umbellata ssp. occidentalis Blake's prince's pine, Pipsissewa, Prince's Pine

native
Perennial herb

Chlorogalum pomeridianum Amole, Soap plant, Soaproot

native
Perennial herb

Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant

native
Perennial herb

Chlorogalum pomeridianum var. pomeridianum

Chrysanthemum leucanthemum Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Chrysolepis chrysophylla Giant chinquapin, Golden chinquapin

native
Tree, Shrub

Chrysolepis chrysophylla var. minor Bush chinquapin, Giant chinquapin

native
Tree, Shrub

Chrysosplenium glechomifolium Pacific golden saxifrage

• rare native
Perennial herb

Cichorium intybus Chicory

non-native
Perennial herb

Circaea alpina ssp. pacifica Pacific enchanter's nightshade, Small enchanter's nightshade

native
Perennial herb

Cirsium acanthodontum Few leaved thistle, Fewleaf thistle

native
Perennial herb

Cirsium arvense Canada thistle

• invasive non-native
Perennial herb

Cirsium brevistylum Clustered thistle, Indian thistle

native
Perennial herb

Cirsium occidentale var. venustum Cobwebby thistle, Red thistle, Venus thistle

native
Perennial herb

Cirsium pastoris Snowy thistle

native
Perennial herb

Cirsium proteanum Cobwebby thistle, Red thistle, Venus thistle

native
Perennial herb

Cirsium remotifolium Few leaved thistle, Fewleaf thistle

native
Perennial herb

Cirsium vulgare Bull thistle

• invasive non-native
Perennial herb

Clarkia amoena Farewell to spring

native
Annual herb

Clarkia amoena ssp. amoena Farewell to spring

native
Annual herb

Clarkia purpurea Purple clarkia, Winecup clarkia

native
Annual herb

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

native
Annual herb

Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)

native
Annual herb

Claytonia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty

native
Perennial herb

Claytonia sibirica var. sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty

native
Perennial herb

Claytonia washingtoniana Suksdorf's spring beauty, Washington springbeauty

native
Annual herb

Clematis ligusticifolia Creek clematis, Western white clematis, Yerba de chiva

native
Perennial herb, Vine

Clinopodium douglasii Yerba buena

native
Perennial herb

Clintonia andrewsiana Andrew's clintonia, Blue bead lily, Red clintonia

native
Perennial herb

Collinsia linearis Narrow leaf collinsia, Narrowleaf blue eyed mary

native
Annual herb

Collomia heterophylla Variableleaf collomia, Varied leaved collomia

native
Annual herb

Conium maculatum Poison hemlock

• invasive non-native
Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

• invasive non-native
Perennial herb, Vine

Coptis laciniata Oregon golden thread, Oregon goldthread

• rare native
Perennial herb

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 tenuis ssp. viscidus Slender bird's beak, Sticky bird's beak, Viscid bird's beak

native
Annual herb

Corethrogyne filaginifolia Common sandaster

native
Perennial herb

Cornus capitata Small Tree-Mallow

Cornus glabrata Brown dogwood

native
Tree, Shrub

Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain dogwood

native
Shrub

Cornus sericea American dogwood, Creek dogwood, Redosier dogwood

native
Shrub

Cornus sericea ssp. occidentalis Western dogwood

native
Shrub

Cornus sessilis Blackfruit dogwood, Miners dogwood, Western cornelian cherry

native
Tree

Cortaderia jubata Pampas grass, Purple pampas grass, Pampasgrass

• invasive non-native
Perennial grass

Corylus cornuta Beaked hazelnut

native
Shrub

Corylus cornuta ssp. californica Beaked hazelnut

native
Shrub

Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster

• invasive non-native
Shrub

Cotoneaster integrifolius Entire-leaved cotoneaster

non-native
Shrub

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

• invasive non-native
Shrub

Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons

non-native
Annual herb

Cotula coronopifolia Brass buttons, Common brassbuttons

• invasive non-native
Perennial herb

Crataegus monogyna Hawthorn

• invasive non-native
Shrub

Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard

non-native
Annual, Perennial herb

Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars

• invasive non-native
Perennial herb

Crypsis schoenoides Swamp grass, Swamp picklegrass, Swamp pricklegrass

non-native
Annual grass

Cryptantha leiocarpa Coast cryptantha, Coastal cryptantha, Popcorn flower

native
Annual herb

Cupressus lawsoniana Port orford cedar

native
Tree

Cuscuta pentagona Five angled dodder, Fiveangled dodder, Western field dodder

native
Annual herb, Vine (parasitic)

Cymbalaria muralis Kenilworth ivy

non-native
Annual, Perennial herb

Cynoglossum grande Hound's tongue, Western houndstongue, Adelinia

native
Perennial herb

Cynosurus cristatus Crested dogstail grass, Crested dogtail grass

non-native
Perennial grass

Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass

• invasive non-native
Annual grass

Cyperus

Cyperus eragrostis Tall cyperus, Tall flatsedge

native
Perennial grasslike herb

Cyperus niger Black cyperus, Black flatsedge, Brown cyperus

native
Perennial grasslike herb

Cypripedium californicum California lady's slipper

• rare native
Perennial herb (rhizomatous)

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native
Fern

CYSTOPTERIDACEAE

Cytisus multiflorus Spanish broom, White spanishbroom

• invasive non-native
Shrub

Cytisus scoparius Scotch broom, Scotchbroom

• invasive non-native
Shrub

Dactylis glomerata Orchard grass, Orchardgrass

• invasive non-native
Perennial grass

Danthonia californica California oatgrass

native
Perennial grass

Daucus carota Queen Anne's lace, Wild carrot

• invasive non-native
Perennial herb

Daucus pusillus American wild carrot, Rattlesnake weed

native
Annual herb

Delairea odorata Cape ivy

• invasive non-native
Perennial herb

Delphinium decorum Coast larkspur, Coastal larkspur, Larkspur

native
Perennial herb

Delphinium decorum ssp. tracyi Coastal larkspur, Tracy's larkspur

native
Perennial herb

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

native
Perennial herb

Delphinium trolliifolium Columbian larkspur, Cow poison

native
Perennial herb

Deschampsia caespitosa California hairgrass, Tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia cespitosa ssp. cespitosa Tufted hair grass, Tufted hairgrass

native
Perennial grass

Deschampsia danthonioides Annual hairgrass

native
Annual grass

Deschampsia elongata Hairgrass, Slender hairgrass

native
Perennial grass

Dicentra formosa Pacific bleeding heart, Pacific bleedinghearts

native
Perennial herb

PAPAVERACEAE

Dichelostemma capitatum Blue dicks

native
Perennial herb

Dichelostemma congestum Fork toothed ookow, Ookow

native
Perennial herb

Dichelostemma ida-maia Firecracker brodiaea, Firecracker flower

native
Perennial herb

Dichelostemma Xvenustum Rose firecracker flower

native
Perennial herb

Digitalis purpurea Purple foxglove

• invasive non-native
Perennial herb

Dipsacus fullonum Fuller's teasel, Fullers' teasel, Wild teasel

• invasive non-native
Perennial herb

DIPSACACEAE

Disporum smithii Largeflower fairybells

native
Perennial herb

Dodecatheon hendersonii Mosquito bill

native
Perennial herb

PRIMULACEAE

Drymocallis glandulosa var. glandulosa Sticky cinquefoil

native
Perennial herb

Drymocallis glandulosa var. reflexa Sticky cinquefoil

native
Perennial herb

Dryopteris arguta California wood fern, Coastal wood fern, Shield fern

native
Fern

Dryopteris expansa Common wood fern, Spreading wood fern, Spreading woodfern

native
Fern

Dudleya farinosa Bluff lettuce, North coast dudleya, Powdery liveforever

native
Perennial herb

Dysphania ambrosioides Mexican tea

non-native
Annual, Perennial herb

Dysphania botrys Jerusalem oak goosefoot

non-native
Annual herb

Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush

native
Perennial grasslike herb

Eleocharis parvula Dwarf spikerush, Small spikerush

• rare native
Perennial grasslike herb

Elodea canadensis Canadian waterweed, Common water weed, Elodea

native
Perennial herb

HYDROCHARITACEAE

Elymus caput-medusae Medusa head

• invasive non-native
Annual grass

Elymus glaucus Blue wildrye

native
Perennial grass

Elymus glaucus ssp. virescens Blue wildrye, Virginia wildrye

native
Perennial grass

Elymus mollis ssp. mollis American dune grass, sea lyme grass

native
Perennial grass

Elymus spicatus Blue bunch wheat grass

native
Perennial grass

Elymus trachycaulus Slender wheatgrass

native
Perennial grass

Elymus trachycaulus ssp. trachycaulus Slender wheatgrass

native
Perennial grass

Enemion stipitatum Siskiyou false rue anemone

native
Perennial herb

Epilobium angustifolium Fireweed

native
Perennial herb

Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb

native
Annual herb

Epilobium ciliatum Fringed willowherb, Northern willow herb, Slender willow herb

native
Perennial herb

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

native
Perennial herb

Epilobium ciliatum ssp. watsonii Fringed willowherb, Watson's willowherb, Willow herb

native
Perennial herb

Epilobium halleanum Hall's willowherb

native
Perennial herb

Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb

native
Annual herb

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

native
Fern

Equisetum hyemale ssp. affine Giant scouring rush

native
Fern

Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush

native
Fern

Equisetum telmateia ssp. braunii Giant horse tail, Giant horsetail

native
Fern

Erechtites arguta Cutleaf burnweed

• invasive non-native
Annual, Perennial herb

Erica lusitanica Spanish heather

• invasive non-native
Shrub

Erigeron canadensis Canada horseweed

native
Annual herb

Erigeron foliosus Leafy daisy, Leafy fleabane

native
Perennial herb

Erigeron glaucus Seaside daisy, Seaside fleabane

native
Perennial herb

Erigeron inornatus California rayless daisy, California rayless fleabane, Western Rayless Fleabane

native
Perennial herb

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

native
Perennial herb

Erigeron philadelphicus Philadelphia fleabane

native
Perennial herb

Erigeron reductus var. reductus California rayless daisy, Lesser california rayless fleabane

native
Perennial herb

Eriogonum latifolium Coast buckwheat, Coast eriogonum, Seaside buckwheat

native
Perennial herb

Eriogonum nudum Naked buckwheat, Nude 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

Eriophyllum lanatum Common woolly sunflower, Common woollysunflower, Wooly sunflower

native
Perennial herb

Eriophyllum lanatum var. achilleoides Yarrow leaved woolly sunflower

native
Perennial herb

Eriophyllum staechadifolium Lizard tail, Seaside golden yarrow, Seaside woolly sunflower

native
Perennial herb

Eriophyllum stoechadifolium var. artemisiifolium Small Tree-Mallow

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

Erysimum capitatum Sanddune wallflower, Western wallflower

native
Perennial herb

Erysimum capitatum ssp. capitatum Sanddune wallflower, Western wallflower

native
Perennial herb

Erythronium californicum California fawn lily, California fawnlily

native
Perennial herb (bulb)

Erythronium oregonum Giant white fawnlily, Oregon fawn lily

• rare native
Perennial herb (bulb)

Erythronium revolutum Mahogany fawn lily

• rare native
Perennial herb (bulb)

Escallonia rubra Red claws

non-native
Shrub

Eschscholzia californica California poppy

native
Annual, Perennial herb

PAPAVERACEAE

Eschscholzia californica ssp. californica Kernville poppy

• rare native
Perennial herb

PAPAVERACEAE

Eucalyptus pulverulenta Money tree, Silverleaf mountain gum

non-native
Tree

MYRTACEAE

Eucalyptus sideroxylon Red iron bark, Red ironbark

non-native
Tree

MYRTACEAE

Euchiton gymnocephalus Creeping cudweed

non-native
Perennial herb

Euchiton sphaericus Tropical creeping cudweed

non-native
Annual herb

Euonymus occidentalis Burning bush, Western burning bush

native
Tree, Shrub

CELASTRACEAE

Euonymus occidentalis var. occidentalis Western burning bush

native
Tree, Shrub

CELASTRACEAE

Euphorbia crenulata Chinese caps, Chinesecaps

native
Annual, Perennial herb

EUPHORBIACEAE

Euphorbia lathyris Compass plant, Gopher plant, Moleplant

• invasive non-native
Annual, Perennial herb

EUPHORBIACEAE

Eurybia radulina Roughleaf aster

native
Perennial herb

Fallopia convolvulus Black bindweed

non-native
Annual herb

Fallopia sachalinensis Giant knotweed

• invasive non-native
Perennial herb

Festuca arundinacea Alta fescue, Reed fescue, Tall fescue

• invasive non-native
Perennial grass

Festuca bromoides Brome fescue

non-native
Annual grass

Festuca californica California fescue

native
Perennial grass

Festuca californica var. californica California fescue

native
Perennial grass

Festuca elmeri Coast fescue, Elmer fescue

native
Perennial grass

Festuca elmeri var. elmeri Coast fescue, Elmer fescue

native
Perennial grass

Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue

native
Perennial grass

Festuca myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Festuca occidentalis Western fescue

native
Perennial grass

Festuca perennis Italian rye grass

• invasive non-native
Annual, Perennial grass

Festuca pratensis Meadow fescue

non-native
Perennial grass

Festuca rubra Red fescue

native
Perennial grass

Festuca rubra ssp. rubra Red fescue

native
Perennial grass

Festuca subulata Bearded fescue, Nodding fescue

native
Perennial grass

Festuca subuliflora Coast range fescue, Crinkleawn fescue

native
Perennial grass

Festuca temulenta Darnel, tares

non-native
Annual grass

Foeniculum vulgare Biscuit root, Sweet fennel

• invasive non-native
Perennial herb

Forsythia Xintermedia Small Tree-Mallow

Fragaria chiloensis Beach strawberry

native
Perennial herb

Fragaria vesca California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Fragaria vesca ssp. californica California strawberry, Wild strawberry, Wood strawberry

native
Perennial herb

Frangula californica ssp. californica California coffeeberry

native
Shrub

Frangula californica ssp. occidentalis Western california coffeeberry

native
Shrub

Frangula purshiana Cascara buckthorn

native
Tree, Shrub

Fraxinus latifolia Oregon ash

native
Tree

OLEACEAE

Fritillaria affinis Checker lily, Mission bells

native
Perennial herb (bulb)

Galium ambiguum Yolla bolly bedstraw

native
Perennial herb

Galium ambiguum ssp. siskiyouense Siskiyou bedstraw

native
Perennial herb

Galium aparine Cleavers, Common bedstraw, Goose grass

native
Annual herb

Galium bolanderi Bolander galium, Bolander's bedstraw

native
Perennial herb

Galium californicum California bedstraw

native
Perennial herb

Galium divaricatum Lamarck's bedstraw

non-native
Annual herb

Galium parisiense Wall bedstraw

non-native
Annual herb

Galium porrigens Climbing bedstraw, Graceful bedstraw, Nuttall's bedstraw

native
Vine, Shrub

Galium trifidum Three petaled bedstraw, Threepetal bedstraw, Trifid bedstraw

native
Perennial herb

Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw

native
Annual herb

Gamochaeta ustulata Featherweed

native
Perennial herb

Garrya buxifolia Boxleaf silk tassel, Boxleaf silktassel, Dwarf silktassel

native
Shrub

GARRYACEAE

Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush

native
Tree, Shrub

GARRYACEAE

Gastridium phleoides Nit grass

non-native
Annual grass

Gaultheria shallon Salal

native
Shrub

Genista monspessulana French broom

• invasive non-native
Shrub

Gentiana affinis var. ovata Gentian, Pleated gentian

native
Perennial herb

Geranium carolinianum Carolina geranium

native
Annual herb

Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium

• invasive non-native
Annual herb

Geranium lucidum Shiny geranium, Shining geranium

• invasive non-native
Annual, Biennial herb

Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium

• invasive non-native
Annual, Perennial herb

Geranium oreganum Oregon geranium

native
Perennial herb

Geranium pusillum Small flowered geranium, Small geranium

non-native
Annual herb

Geranium robertianum herb Robert

• invasive non-native
Annual herb

Geum macrophyllum Large leaved avens, Largeleaf avens

native
Perennial herb

Gilia capitata Blue field gilia, Bluehead gilia

native
Annual herb

Gilia capitata ssp. pacifica Pacific blue field gilia, Pacific gilia

• rare native
Annual herb

Githopsis specularioides Common bluecup, Venus' looking glass

native
Annual herb

CAMPANULACEAE

Glechoma hederacea Ground ivy

non-native
Perennial herb

Glehnia littoralis American silvertop

native
Perennial herb

Glehnia littoralis ssp. leiocarpa American glehnia, American silvertop

• rare native
Perennial herb

Glyceria elata Fowl mannagrass, Tall mannagrass

native
Perennial grass

Glyceria fluitans Water mannagrass

non-native
Perennial grass

Glyceria Xoccidentalis Western manna grass

non-native
Perennial grass (aquatic)

Gnaphalium palustre Lowland cudweed, Western marsh cudweed

native
Annual herb

Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain

native
Perennial herb

Grindelia stricta Coastal gumweed, Gumweed, Oregon gumweed

native
Perennial herb

Grindelia stricta var. platyphylla Gumplant, Gumweed, Oregon gumweed

native
Perennial herb

Hastingsia alba Reed lily, White bog hastingsia, White hastingsia

native
Perennial herb

Hastingsia serpenticola Klamath rushlily, Siskiyou hastingsia

native
Perennial herb

Hastingsia serpentinicola Klamath rushlily, Siskiyou hastingsia

native
Perennial herb

Hedera helix English ivy

• invasive non-native
Vine, Shrub

ARALIACEAE

Helenium puberulum Rosilla, Sneezeweed

native
Perennial herb

Helminthotheca echioides Bristly ox-tongue

• invasive non-native
Annual, Perennial herb

Hemitomes congestum Coneplant, Gnome plant

native
Perennial herb (mycoparasitic)

Hemizonia congesta Hayfield tarweed

native
Annual herb

Hemizonia congesta ssp. tracyi Hayfield tarweed, Tracy's tarplant

• rare native
Annual herb

Hemizonia tracyi Hayfield tarweed, Tracy's tarplant

• rare native
Annual herb

Heracleum maximum Common cow parsnip

native
Perennial herb

Hesperocyparis macrocarpa Monterey cypress

native
Tree

Heterotheca oregona var. oregona Oregon false goldenaster, Oregon goldenaster

native
Perennial herb

Heuchera micrantha Alum root, Crevice alumroot

native
Perennial herb

Hieracium albiflorum White flowered hawkweed, White hawkweed

native
Perennial herb

Hieracium bolanderi Bolander's hawkweed

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb (aquatic)

Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass

• invasive non-native
Perennial grass

Holodiscus discolor Cream bush, Ocean spray, Oceanspray

native
Shrub

Hordeum brachyantherum Meadow barley

native
Perennial grass

Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley

native
Perennial grass

Hordeum marinum ssp. gussonianum Seaside barley

• invasive non-native
Annual grass

Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley

• invasive non-native
Annual grass

Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley

non-native
Annual grass

Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley

non-native
Annual grass

Hordeum murinum ssp. murinum Wall barley

non-native
Annual grass

Horkelia sericata Howell's horkelia, Silky horkelia

• rare native
Perennial herb

Hosackia gracilis Harlequin lotus

• rare native
Perennial herb

Hosackia oblongifolia Narrow leaved lotus

native
Perennial herb

Hosackia pinnata Pinnate lotus

native
Perennial herb

Hosackia rosea Rose flowered lotus

native
Perennial herb

Hydrocotyle

Hydrocotyle ranunculoides Floating marsh pennywort, Floating marshpennywort, Marsh pennywort

native
Perennial herb

ARALIACEAE

Hydrophyllum occidentale California waterleaf, Western waterleaf

native
Perennial herb

Hydrophyllum tenuipes Pacific waterleaf

native
Perennial herb

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

native
Annual, Perennial herb

Hypericum beanii Small Tree-Mallow

Hypericum calycinum Aaron's beard

non-native
Shrub

Hypericum formosum St john's wort

native
Perennial herb

Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed

• invasive non-native
Perennial herb

Hypericum scouleri Scouler's St John's wort

native
Perennial herb

Hypochaeris glabra Smooth cat's ear

• invasive non-native
Annual herb

Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear

• invasive non-native
Perennial herb

Ilex aquifolium English holly, Holly

• invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Iris douglasiana Douglas iris, Douglas' iris

native
Perennial herb

Iris innominata Del norte county iris

• rare native
Perennial herb (rhizomatous)

Iris tenax ssp. klamathensis Klamath iris, Orleans iris

• rare native
Perennial herb (rhizomatous)

Iris tenuissima Iris, Longtube iris, Slender iris

native
Perennial herb

Isatis tinctoria Dyer's woad, Dyers woad

• invasive non-native
Biennial, Perennial herb

Isolepis setacea Bristleleaf bulrush

non-native
Perennial grasslike herb

Juglans

Juglans regia English walnut

non-native
Tree

JUGLANDACEAE

Juncus bolanderi Bolander's rush

native
Perennial grasslike herb

Juncus breweri Brewer's rush

native
Perennial grasslike herb

Juncus bufonius Common toad rush, Toad rush

native
Annual grasslike herb

Juncus bufonius var. bufonius Toad rush

native
Annual grasslike herb

Juncus confusus Colorado rush

native
Perennial grasslike herb

Juncus effusus Bog rush, Common bog rush, Common rush

native
Perennial grasslike herb

Juncus effusus ssp. pacificus Pacific rush

native
Perennial grasslike herb

Juncus hesperius Coast or bog rush

native
Perennial grasslike herb

Juncus lesueurii Dune rush

native
Perennial grasslike herb

Juncus occidentalis Rush, Slender juncus, Western rush

native
Perennial grasslike herb

Juncus patens Common rush, Spreading rush

native
Perennial grasslike herb

Juncus tenuis Poverty rush, Slender rush

native
Perennial grasslike herb

Juncus tenuis var. congestus Rush, Slender juncus, Western rush

native
Perennial grasslike herb

Juncus xiphioides Iris leaved rush, Irisleaf rush

native
Perennial grasslike herb

Juniperus communis Common juniper, Dwarf juniper

native
Shrub

Juniperus communis var. saxatilis Common juniper

native
Shrub

Keckiella corymbosa Red beardtongue, Redwood keckiella

native
Shrub

Koeleria cristata June grass, Prairie junegrass

native
Perennial grass

Koeleria macrantha June grass, Prairie junegrass

native
Perennial grass

Kopsiopsis strobilacea ground cone, groundcone , California ground-cone

native
Perennial herb (parasitic)

Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce

non-native
Annual herb

Lapsana communis Common nipplewort, Nipplewort

non-native
Annual herb

Lathyrus brownii Brown's brush pea

native
Perennial herb

Lathyrus delnorticus Del norte pea

• rare native
Perennial herb

Lathyrus japonicus Beach pea, Sea pea

• rare native
Perennial herb

Lathyrus japonicus var. glaber Beach pea, Sea pea

• rare native
Perennial herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

non-native
Perennial herb

Lathyrus littoralis Beach pea, Silky beach pea

native
Perennial herb

Lathyrus nevadensis ssp. nevadensis Sierra nevada pea, Sierra pea

native
Perennial herb

Lathyrus nevadensis var. nevadensis Sierra nevada pea, Sierra pea

native
Perennial herb

Lathyrus palustris Marsh pea

• rare native
Perennial herb

Lathyrus pauciflorus ssp. brownii Brown's brush pea

native
Perennial herb

Lathyrus sphaericus Grass peavine

non-native
Annual herb

Lathyrus torreyi Redwood pea, Torrey's pea

native
Perennial herb

Lathyrus vestitus Bolander's pea, Common pacific pea, Pacific peavine

native
Perennial herb

Lathyrus vestitus var. ochropetalus Bolander's pacific pea, Bolander's pea, Pale pacific pea

native
Perennial herb

Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea

native
Perennial herb

Layia carnosa Beach layia, Beach tidytips

• rare native
Annual herb

Lemna

Leontodon leysseri

non-native
Perennial herb

Leontodon saxatilis Hawkbit

non-native
Annual herb

Lepidium didymum Lesser swine cress

non-native
Annual herb

Leptosiphon androsaceus False babystars

native
Annual herb

Leptosiphon bicolor True babystars

native
Annual herb

Leucanthemum vulgare Oxe eye daisy, Oxeye daisy

• invasive non-native
Perennial herb

Ligusticum apiifolium Celery leaved lovage, Celeryleaf licorice root, Lovage

native
Perennial herb

Ligusticum californicum California licorice root, California lovage

native
Perennial herb

Lilium bolanderi Bolander's lily

• rare native
Perennial herb (bulb)

Lilium columbianum Columbia lily, Columbian lily, Oregon lily

native
Perennial herb

Limnanthes douglasii ssp. nivea Snow white meadowfoam

native
Annual herb

LIMNANTHACEAE

Linanthus bicolor ssp. bicolor True babystars

native
Annual herb

Linaria dalmatica Dalmatian toadflax

non-native
Perennial herb

Linaria genistifolia ssp. dalmatica Dalmatian toadflax

• invasive non-native
Perennial herb

Linum bienne Narrow leaved flax, Pale flax, Small flowered flax

non-native
Annual herb

LINACEAE

Liriodendron tulipifera Tuliptree

non-native
Tree

MAGNOLIACEAE

Listera banksiana Northwest twayblade

native
Perennial herb

Listera cordata Heart leaved twayblade, Heartleaf twayblade

• rare native
Perennial herb

Lithocarpus densiflorus Tanoak

native
Tree, Shrub

Lithophragma affine Common woodland star, San Francisco woodland star

native
Perennial herb

Lithophragma affine ssp. affine Common woodland star, San Francisco woodland star

native
Perennial herb

Lithophragma parviflorum Pink woodland star, Prairie star, Smallflower woodland star

native
Perennial herb

Logfia gallica Narrowleaf cottonrose

non-native
Annual herb

Lolium perenne ssp. multiflorum Italian rye grass

• invasive non-native
Annual, Perennial grass

Lomatium dissectum Fern leaved lomatium, Fernleaf biscuitroot

native
Perennial herb

Lomatium macrocarpum Bigseed biscuitroot, Large fruited lomatium

native
Perennial herb

Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel

native
Perennial herb

Lonicera hispidula Pink honeysuckle

native
Vine, Shrub

Lonicera hispidula var. vacillans Pink honeysuckle

native
Vine, Shrub

Lonicera involucrata Coast twinberry, Twin berry, Twinberry honeysuckle

native
Shrub

Lonicera involucrata var. ledebourii Coast twinberry, Twinberry honeysuckle

native
Shrub

Lonicera nitida Small Tree-Mallow

Lophochlaena refracta Nodding semaphore grass, Nodding semaphoregrass

• rare native
Perennial grass (rhizomatous)

$Lophochlaena refracta$
© 2022 R.A. Chasey

$Lophochlaena refracta$
© 2018 Claire Brown

Lotus aboriginum Small Tree-Mallow

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

• invasive non-native
Perennial herb

Lotus purshianus American bird's foot trefoil, Spanish lotus

native
Annual herb

Lotus uliginosus Marsh lotus

non-native
Perennial herb

Ludwigia peploides Floating primrose willow, Floating water primrose, Marsh purslane

• invasive non-native
Perennial herb

Luina hypoleuca Little leaf luina, Littleleaf silverback

native
Perennial herb

Lupinus andersonii Anderson's lupine

native
Perennial herb

Lupinus arboreus Coastal bush lupine, Yellow bush lupine

native
Shrub

Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus bicolor ssp. umbellatus Annual lupine, Bicolored lupine, Miniature lupine

native
Annual, Perennial herb

Lupinus latifolius Bigleaf lupine, Broad leaf lupine, Broadleaf lupine

native
Perennial herb

Lupinus latifolius ssp. latifolius Broad leaf lupine

native
Perennial herb

Lupinus littoralis Seashore lupine

native
Perennial herb

Lupinus nanus Sky lupine

native
Annual herb

Lupinus rivularis Riverbank lupine

native
Perennial herb

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

native
Perennial grasslike herb

Luzula parviflora Small flowered wood rush, Smallflowered woodrush

native
Perennial grasslike herb

Luzula subsessilis Pacific woodrush

native
Perennial grasslike herb

Lycopodium clavatum Running clubmoss, Running pine

• rare native

LYCOPODIACEAE

Lysichiton americanus American skunkcabbage, Yellow skunk cabbage

native
Perennial herb

ARACEAE

Lythrum hyssopifolia Hyssop loosestrife

• invasive non-native
Annual, Perennial herb

LYTHRACEAE

Madia capitata Chile tarweed, Coast tarweed, Coastal tarweed

native
Annual herb

Madia elegans Common madia

native
Annual herb

Madia elegans ssp. elegans Common madia

native
Annual herb

Madia exigua Little tarweed, Meager tarweed, Small tarweed

native
Annual herb

Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed

native
Annual herb

Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed

native
Annual herb

Magnolia grandiflora Southern magnolia

non-native
Tree

MAGNOLIACEAE

Mahonia aquifolium Mountain grape, Mountaingrape, Oregon grape

native
Shrub

Maianthemum dilatatum False lily of the valley, False lily of the vally, Pacific may lily

native
Perennial herb

Maianthemum racemosum Feathery false lily of the valley

native
Perennial herb

Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley

native
Perennial herb

Maianthemum stellatum Starry false lily of the valley

native
Perennial herb

Malus fusca Oregon crab apple, Oregon crabapple

native
Tree, Shrub

Malus pumila Paradise apple

non-native
Tree

Malva neglecta Common mallow, Dwarf mallow

non-native
Annual, Perennial herb

Marah oreganus Coast man-root

native
Perennial herb, Vine

CUCURBITACEAE

Matricaria discoidea Pineapple weed

native
Annual herb

Medicago arabica Spotted burclover, Spotted medick

non-native
Annual herb

Medicago lupulina Black medick

non-native
Annual, Perennial herb

Medicago polymorpha Bur clover, Bur medic, California burclover

• invasive non-native
Annual herb

Medicago sativa Alfalfa

non-native
Perennial herb

Melica aristata Awned melic, Bearded melicgrass

native
Perennial grass

Melica geyeri Geyer's onion grass, Geyer's oniongrass

native
Perennial grass

Melica geyeri var. geyeri Geyer's onion grass, Geyer's oniongrass

native
Perennial grass

Melica harfordii Harford melic, Harford's melica, Harford's oniongrass

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

Melilotus indica Annual yellow sweetclover, Sourclover

non-native
Annual herb

Mentha arvensis American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentha arvensis ssp. haplocalyx American wild mint, Field mint, Marsh mint

native
Perennial herb

Mentha pulegium Pennyroyal

• invasive non-native
Perennial herb

Mentha spicata Spearmint

non-native
Perennial herb

Mentha spicata var. spicata Spearmint

non-native
Perennial herb

Mentha Xpiperita Peppermint

non-native
Perennial herb

Menziesia ferruginea Mock azalea, Rusty menziesia

native
Shrub

Micranthes californica Greene's saxifrage

native
Perennial herb

Micranthes howellii Howell's saxifrage

• rare native
Perennial herb

Micranthes integrifolia Smooth leaf saxifrage

native
Perennial herb

Micranthes marshallii Marshall's saxifrage

• rare native
Perennial herb

Micropus californicus Cotton top, Micropus, Q tips

native
Annual herb

Micropus californicus var. californicus Q tips, Slender cottonweed

native
Annual herb

Microseris bigelovii Coast microseris, Coastal silverpuffs

native
Annual herb

Microseris laciniata Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris laciniata ssp. leptosepala Cut leaved scorzonella, Cutleaf silverpuffs

native
Perennial herb

Microseris laciniata ssp. siskiyouensis Siskiyou microseris

native
Perennial herb

Microseris laciniata var. siskiyouensis 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 aurantiacus Orange Bush Monkeyflower

native
Shrub

Mimulus cardinalis Cardinal monkey flower

native
Perennial herb

Mimulus dentatus Tooth leaved monkeyflower

native
Perennial herb

Mimulus guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Mimulus guttatus var. guttatus Seep monkey flower, Yellow monkey flower

native
Annual, Perennial herb (rhizomatous)

Mimulus moschatus Musk monkeyflower

native
Perennial herb

Minuartia californica California Sandwort

native
Annual herb

Minuartia douglasii Douglas' Stitchwort

native
Annual herb

Minuartia howellii Howell's sandwort, Howell's stitchwort

native
Perennial herb

Modiola caroliniana Carolina bristle mallow, Carolina bristlemallow

non-native
Perennial herb

Moehringia macrophylla Large leaved sandwort, Largeleaf sandwort

native
Perennial herb

Mollugo verticillata Green carpetweed, Indian chickweed

non-native
Annual herb

MOLLUGINACEAE

Monardella sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella

native
Perennial herb

Monardella villosa Coyote mint

native
Perennial herb

Monardella villosa ssp. sheltonii Coyote mint, Shelton's coyote mint, Shelton's monardella

native
Perennial herb

Moneses uniflora Oneflower wintergreen, Single delight, Woodnymph

• rare native
Perennial herb

Moneses uniflora var. reticulata Oneflower wintergreen, Single delight, Woodnymph

• rare native
Perennial herb

Monotropa hypopithys Pinesap

native
Perennial herb (mycoparasitic)

Monotropa uniflora Ghost pipe

• rare native
Perennial herb (mycoparasitic)

Montia diffusa Diffuse miner's lettuce, Spreading minerslettuce

native
Annual herb

Montia fontana Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Montia howellii Howell's minerslettuce, Howell's montia

• rare native
Annual herb

Montia minor Annual water minerslettuce, Water chickweed, Water montia

native
Annual herb

Montia parvifolia Littleleaf minerslettuce, Showy rock montia

native
Perennial herb

Montia sibirica Candy flower, Indian lettuce or candy flower, Siberian springbeauty

native
Perennial herb

Muhlenbergia filiformis Pullup muhly, Slender muhly

native
Annual, Perennial grass

Myosotis discolor Changing forget me not, yellow and blue forget-me-not

non-native
Annual herb

Myosotis latifolia Broadleaf forget me not, Forget me not, Wide leaved forget me not

• invasive non-native
Perennial herb

Myosotis sylvatica Woodland forget me not

• invasive non-native
Perennial herb

Myrica californica California wax myrtle

native
Tree, Shrub

MYRICACEAE

Myriophyllum

Narcissus pseudonarcissus Daffodil

non-native
Perennial herb (bulb)

AMARYLLIDACEAE

Nasturtium officinale Watercress

native
Perennial herb (aquatic)

Navarretia squarrosa Skunkbush, Skunkweed

native
Annual herb

Nemophila menziesii Baby blue eyes

native
Annual herb

Nemophila parviflora Small flowered nemophila, Smallflower nemophila

native
Annual herb

Nemophila parviflora var. parviflora Small flowered nemophila, Smallflower nemophila, Woodland nemophila

native
Annual herb

Notholithocarpus densiflorus var. densiflorus Tanoak

native
Tree, Shrub

Notholithocarpus densiflorus var. densiflorus

Notholithocarpus densiflorus var. echinoides Tanoak shrub

native
Tree, Shrub

Notholithocarpus densiflorus var. echinoides

Nuphar luteum Small Tree-Mallow

Nuphar polysepala Rocky mountain pond-lily

native
Perennial herb (aquatic)

NYMPHAEACEAE

Oemleria cerasiformis Indian plum, Oso berry

native
Shrub

Oenanthe sarmentosa Pacific oenanthe, Water parsley

native
Perennial herb

Oenothera glazioviana Red sepaled evening primrose, Redsepal evening primrose

non-native
Perennial herb

Oenothera wolfii Wolf's evening primrose

• rare native
Perennial herb

Origanum vulgare ssp. hirtum Oregano

non-native
Perennial herb

Orobanche fasciculata Clustered broomrape

native
Perennial herb (parasitic)

Orobanche uniflora Purple broomrape

Annual herb

Orobanche uniflora var. purpurea Purple broomrape

Annual herb

Orobanche uniflora var. sedii Purple broomrape

Annual herb

Osmorhiza berteroi Sweet cicely

native
Perennial herb

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

native
Perennial herb

Osmorhiza purpurea Purple sweet cicely, Purple sweetroot

native
Perennial herb

Oxalis albicans ssp. pilosa Hairy wood sorrel

native
Annual herb

Oxalis corniculata Creeping wood sorrel, Creeping woodsorrel, Yellow sorrel

• invasive non-native
Perennial herb

Oxalis incarnata Crimson woodsorrel

non-native
Perennial herb

Oxalis oregana Redwood sorrel

native
Perennial herb

Oxalis suksdorfii Suksdorf woodsorrel

• rare native
Perennial herb

Ozomelis trifida Three parted miterwort

native
Perennial herb

Packera bolanderi var. bolanderi Bolander's ragwort, Seacoast ragwort

• rare native
Perennial herb

Panicum acuminatum Western panicgrass, Western panicum, Western witch grass

native
Perennial grass

Panicum acuminatum var. acuminatum Western panicgrass, Western panicum, Western witch grass

native
Perennial grass

Panicum pacificum Pacific panic grass

native
Perennial grass

Parentucellia viscosa Yellow glandweed, Yellow parentucellia

• invasive non-native
Annual herb

Paspalum dilatatum Dallis grass, Dallisgrass

non-native
Perennial grass

Pectiantia ovalis Coastal miterwort

native
Perennial herb

Penstemon rattanii Rattan's beardtongue

native
Perennial herb

Penstemon rattanii var. rattanii Rattan's beardtongue

native
Perennial herb

Pentagramma triangularis ssp. triangularis Gold back fern

native
Fern

Pentagramma triangularis ssp. triangularis

Perideridia gairdneri Gairdner's yampah, Gardner's yampah

native
Perennial herb

Perideridia kelloggii Kellogg's yampah, Yampah

native
Perennial herb

Persicaria maculosa Spotted ladysthumb

non-native
Annual herb

Persicaria punctata Dotted smartweed

native
Perennial herb

Petasites frigidus Arctic sweet coltsfoot

native
Perennial herb

Petasites frigidus var. palmatus Arctic sweet coltsfoot, Western coltsfoot

native
Perennial herb

Petrorhagia dubia Hairypink, Pink grass, Wilding pink

non-native
Annual herb

Phacelia bolanderi Bolander's phacelia, Redwood phacelia

native
Perennial herb

Phacelia heterophylla ssp. virgata Varied leaf phacelia

native
Perennial herb

Phacelia nemoralis Shade phacelia, Woods phacelia

native
Perennial herb

Phacelia ramosissima Branching phacelia

native
Perennial herb

Phalaris aquatica Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Phalaris arundinacea Reed canarygrass

native
Perennial grass

Phalaris californica California canarygrass, Canarygrass

native
Perennial grass

Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass

non-native
Annual grass

Phalaris paradoxa Hood canarygrass

non-native
Annual grass

Phalaris tuberosa Bulbous canarygrass, Harding grass

• invasive non-native
Perennial grass

Philadelphus californicus Lewis' mock orange, Mock orange, Wild mock orange

native
Shrub

HYDRANGEACEAE

Philadelphus lewisii Lewis' mock orange, Mock orange, Wild mock orange

native
Shrub

HYDRANGEACEAE

Phleum pratense Common timothy, Cultivated timothy, Timothy

non-native
Perennial grass

Phlox diffusa Spreading phlox

native
Perennial herb

Phlox diffusa ssp. diffusa Spreading phlox

native
Perennial herb

Phlox speciosa Showy phlox

native
Perennial herb

Phoradendron villosum Mistletoe

native
Shrub (parasitic)

VISCACEAE

Physocarpus capitatus Ninebark, Pacific ninebark, Western ninebark

native
Shrub

Picea sitchensis Sitka spruce

native
Tree

Pinus attenuata Knobcone pine, Scrub pine

native
Tree

Pinus contorta Beach pine, Lodgepole pine

native
Tree

Pinus halepensis Aleppo pine

non-native
Tree

Pinus jeffreyi Jeffrey pine

native
Tree

Pinus lambertiana Sugar pine

native
Tree

Pinus patula Mexican weeping pine

non-native
Tree

Pinus radiata Monterey pine

native
Tree

Piperia elegans Coast piperia, Elegant piperia, Elegant rein orchid

native
Perennial herb

Piperia elegans ssp. elegans Elegant piperia

native
Perennial herb

Pityopus californica California pinefoot, Pityopus

native
Perennial herb (mycoparasitic)

Pityopus californicus

• rare native
Perennial herb (mycoparasitic)

Pityrogramma triangularis Gold back fern

native
Fern

Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower

native
Annual herb

Plantago bigelovii ssp. bigelovii Annual coast plantago, Coastal plantain, Long leaf plantain

native
Annual herb

Plantago coronopus Buckhorn plantain, Cut leaf plantain

• invasive non-native
Annual herb

Plantago elongata Annual coast plantago, Coastal plantain, Long leaf plantain

native
Annual herb

Plantago hirtella var. galeottiana Mexican plantain, Naked plantain, Tall coastal plantain

native
Perennial herb

Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass

• invasive non-native
Perennial herb

Plantago major Common plantain

non-native
Perennial herb

Plantago maritima Alkali plantain, Goose tongue, Maritime plantain

native
Perennial herb

Plantago subnuda Mexican plantain, Naked plantain, Tall coastal plantain

native
Perennial herb

Plectritis congesta Sea blush, 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

Pleuricospora fimbriolata Fringed pinesap

native
Perennial herb (mycoparasitic)

Pleuropogon refractus Nodding semaphore grass, Nodding semaphoregrass

• rare native
Perennial grass (rhizomatous)

$Pleuropogon refractus$
© 2022 R.A. Chasey

$Pleuropogon refractus$
© 2018 Claire Brown

Poa annua Annual blue grass, Annual bluegrass

non-native
Annual grass

Poa compressa Canada blue grass, Canada bluegrass

non-native
Perennial grass

Poa howellii Howell's blue grass, Howell's bluegrass

native
Annual grass

Poa kelloggii Kellogg's bluegrass, Redwood blue grass

native
Perennial grass

Poa piperi Piper's blue grass, Piper's bluegrass

• rare native
Perennial grass (rhizomatous)

Poa pratensis Kentucky blue grass, Kentucky bluegrass

• invasive non-native
Perennial grass

Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass

• invasive non-native
Perennial grass

Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass

native
Perennial grass

Poa trivialis Rough blue grass, Rough bluegrass

non-native
Perennial grass

Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp

non-native
Annual herb

Polygala californica California Milkwort

native
Perennial herb

POLYGALACEAE

Polygala cornuta

native

POLYGALACEAE

Polygonum argyrocoleon Persian knotweed, Silver sheath knotweed, Silversheath knotweed

non-native
Annual herb

Polygonum aviculare ssp. depressum Prostrate knotweed

non-native
Annual, Perennial herb

Polygonum douglasii Douglas' knotweed

native
Annual herb

Polygonum douglasii ssp. spergulariiforme Spurry knotweed

native
Annual herb

Polygonum douglasii ssp. spergulariiforme

Polygonum paronychia Beach knotweed, Dune knotweed

native
Perennial herb

Polygonum spergulariiforme Spurry knotweed

native
Annual herb

Polypodium californicum California polypody

native
Fern

POLYPODIACEAE

Polypodium glycyrrhiza Licorice fern

native
Fern

POLYPODIACEAE

Polypodium scouleri Leather fern, Leather leaf fern, Leathery polypody

native
Fern

POLYPODIACEAE

Polypogon australis Chilean beard grass, Chilean rabbitsfoot grass

non-native
Perennial grass

Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass

• invasive non-native
Annual grass

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

native
Fern

Polystichum munitum Western sword fern, Western swordfern

native
Fern

Populus alba Silver poplar, White poplar

non-native
Tree

Populus trichocarpa Black cottonwood

native
Tree

Potamogeton natans Floating leaved pondweed, Floating pondweed

native
Perennial herb (aquatic)

Potamogeton nodosus Long leaved pondweed, Longleaf pondweed, Pondweed

native
Perennial herb (aquatic)

Potamogeton pectinatus Sago pondweed

native
Perennial herb (aquatic)

Potamogeton richardsonii Richardson's pondweed

native
Perennial herb (aquatic)

Potentilla anserina Silver weed cinquefoil, Silverweed

native
Perennial herb

Potentilla anserina ssp. pacifica Pacific potentilla, Silverweed

native
Perennial herb

Potentilla glandulosa Sticky cinquefoil

native
Perennial herb

Potentilla gracilis Northwest cinquefoil, Slender cinquefoil

native
Perennial herb

Potentilla gracilis var. gracilis Graceful cinquefoil, Slender cinquefoil

native
Perennial herb

Poterium sanguisorba Garden burnet

non-native
Perennial herb

Prosartes hookeri Drops of gold

native
Perennial herb

Prunella vulgaris Common selfheal, Self heal, Selfheal

native
Perennial herb

Prunella vulgaris var. elongata Lance leaf self heal, Mountain selfheal

native
Perennial herb

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

native
Perennial herb

Prunus avium Sweet cherry

non-native
Tree

Prunus cerasifera Cherry plum

• invasive non-native
Tree

Prunus emarginata Bitter cherry

native
Tree, Shrub

Prunus glandulosa Small Tree-Mallow

Prunus laurocerasus Cherry laurel

non-native
Tree, Shrub

Prunus virginiana Chokecherry

native
Tree, Shrub

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

native
Tree, Shrub

Pseudognaphalium ramosissimum Pink cudweed

native
Annual, Biennial herb

Pseudognaphalium stramineum Cottonbatting plant

native
Perennial herb

Pseudotrillium rivale Siskiyou wakerobin

native
Perennial herb

Pseudotsuga menziesii Douglas fir

native
Tree

Pseudotsuga menziesii var. menziesii Douglas fir, Douglas spruce, False hemlock

native
Tree

Psoralea physodes California tea, Common rupertia, Forest scurfpea

native
Perennial herb

Pteridium aquilinum Western brackenfern

native
Fern

DENNSTAEDTIACEAE

Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern

native
Fern

DENNSTAEDTIACEAE

Puccinellia nutkaensis Alaska alkali grass, Nootka alkaligrass

native
Perennial grass

Pyracantha angustifolia Narrowleaf firethorn

• invasive non-native
Shrub

Pyrola asarifolia ssp. bracteata Bog wintergreen, Pink wintergreen

native
Perennial herb

Pyrola bracteata Bog wintergreen, Pink wintergreen

native
Perennial herb

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

native
Perennial herb

Pyrus communis Common pear

non-native
Tree

Quercus chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak

native
Tree

Quercus garryana var. garryana Oregon oak, Oregon white oak

native
Tree

Quercus kelloggii Black oak, California black oak

native
Tree

Quercus sadleriana Deer oak, Sadler oak

native
Shrub

Quercus vaccinifolia Huckleberry oak

native
Shrub

Rafinesquia californica California chicory, California plumseed

native
Annual herb

Ranunculus californicus California buttercup

native
Perennial herb

Ranunculus muricatus Buttercup, Pricklefruit buttercup, Spiny buttercup

non-native
Annual, Perennial herb

Ranunculus occidentalis Western buttercup

native
Perennial herb

Ranunculus occidentalis var. eisenii Western buttercup

native
Perennial herb

Ranunculus repens Creeping buttercup, Crowfoot, creeping buttercup

• invasive non-native
Perennial herb

Ranunculus repens var. repens Creeping buttercup, Crowfoot, creeping buttercup

• invasive non-native
Perennial herb

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

native
Annual, Perennial herb

Ranunculus uncinatus var. parviflorus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup

native
Annual, Perennial herb

Raphanus raphanistrum Jointed charlock, Painted charlock, Wild radish

non-native
Annual, Perennial herb

Raphanus sativus Cultivated radish, Jointed charlock, Wild radish

• invasive non-native
Annual, Biennial herb

Rhamnus californica California coffeeberry

native
Shrub

Rhododendron columbianum Western labrador tea

native
Shrub

Rhododendron macrophyllum California rose bay, Coast rhododendron, Pacific rhododendron

native
Shrub

Rhododendron occidentale Western azalea

native
Tree, Shrub

Ribes bracteosum Stink currant

native
Shrub

Ribes cruentum var. cruentum Sierra gooseberry, Spiny fruited gooseberry

native
Shrub

Ribes divaricatum Spreading gooseberry

native
Shrub

Ribes laxiflorum Trailing black currant

• rare native
Shrub

Ribes menziesii Canyon gooseberry, Gooseberry

native
Shrub

Ribes roezlii Sierra gooseberry, Sierran Gooseberry

native
Shrub

Ribes roezlii var. cruentum Sierra gooseberry, Spiny fruited gooseberry

native
Shrub

Ribes sanguineum Flowering currant, Red flowering currant, Redflower currant

native
Shrub

Ribes sanguineum var. glutinosum Blood currant, Flowering currant, Pink flowering currant

native
Shrub

Robinia pseudo-acacia Black locust

• invasive non-native
Tree

Robinia pseudoacacia Black locust

• invasive non-native
Tree

Rosa

Rosa californica California wild rose, California wildrose

native
Shrub

Rosa gymnocarpa Dwarf rose, Baldhip rose

native
Shrub

Rosa gymnocarpa var. gymnocarpa Wood rose

native
Shrub

Rosa nutkana Nootka rose

native
Shrub

Rosa nutkana ssp. nutkana Nootka rose

native
Shrub

Rosa spithamea Ground rose, Sonoma rose

native
Shrub

Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry

non-native
Shrub

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

native
Shrub

Rubus parviflorus Western thimbleberry, Thimbleberry

native
Vine, Shrub

Rubus procerus Himalayan blackberry, black berry, Armenian blackberry

• invasive non-native
Shrub

Rubus spectabilis Salmon berry, Salmonberry

native
Shrub

Rubus ulmifolius var. anoplothyrsus Elm leaf bramble

non-native
Vine, Shrub

Rubus ursinus California blackberry, Pacific blackberry

native
Vine, Shrub

Rumex acetosella Common sheep sorrel

• invasive non-native
Perennial herb

Rumex crassus Willow leaved dock

native
Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

• invasive non-native
Perennial herb

Rumex obtusifolius Bitter dock

non-native
Perennial herb

Rumex transitorius Willow dock

native
Perennial herb

Rupertia physodes California tea, Common rupertia, Forest scurfpea

native
Perennial herb

Rytidosperma penicillatum Purple awned wallaby grass , Hairy oat grass, Poverty grass

• invasive non-native
Perennial grass

Sagina maxima ssp. crassicaulis Beach pearlwort, Perennial pearlwort, Stickystem pearlwort

native
Perennial herb

Sagina procumbens Arctic pearlwort, Birdeye pearlwort

native
Perennial herb

Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort

native
Perennial herb

Salix hookeriana Coastal willow, Dune willow

native
Tree, Shrub

Salix lasiolepis Arroyo willow

native
Tree, Shrub

Salix sitchensis Coulter willow, Sitka willow

native
Tree, Shrub

Sambucus mexicana Blue elderberry

native
Tree, Shrub

Sambucus racemosa Red elderberry

native
Shrub

Sambucus racemosa ssp. pubens Pacific red elderberry

native
Shrub

Sanicula arctopoides Footsteps of spring, Yellow mats

native
Perennial herb

Sanicula bipinnatifida Purple sanicle, Snakeroot, Purple Sanicle, Shoe Buttons

native
Perennial herb

Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native
Perennial herb

Sanicula crassicaulis var. crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle

native
Perennial herb

Sanicula laciniata Coast sanicle, Coastal blacksnakeroot

native
Perennial herb

Sanicula peckiana Peck's blacksnakeroot, Peck's sanicle

• rare native
Perennial herb

Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort

• invasive non-native
Perennial herb

Saxifraga mertensiana Wood saxifrage

native
Perennial herb

Scandix pecten-veneris Shepherd's needle, Shepherdsneedle, Venus' needle

non-native
Annual herb, Vine

Sceptridium multifidum Leather grape-fern

native
fern

OPHIOGLOSSACEAE

Schoenolirion albiflorum Small Tree-Mallow

Schoenoplectus tabernaemontani Softstem bulrush

native
Perennial grasslike herb

Scirpus microcarpus Panicled bulrush, Small fruited bulrush

native
Perennial grasslike herb

Scirpus setaceus Bristleleaf bulrush

non-native
Perennial grasslike herb

Scoliopus bigelovii California fetid adder's tongue, Slink pod

native
Perennial herb

Scrophularia californica California bee plant, California figwort

native
Perennial herb

Scutellaria antirrhinoides Nose skullcap, Snapdragon skullcap

native
Perennial herb

Sedum obtusatum ssp. boreale Sierra gormania, Small flowered sierra stonecrop

native
Perennial herb

Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Sedum spathulifolium ssp. pruinosum Broadleaf stonecrop, Pacific stonecrop, Stone crop

native
Perennial herb

Selaginella oregana Oregon spike moss, Oregon spikemoss

native

SELAGINELLACEAE

Selaginella wallacei Wallace moss fern, Wallace's spike moss, Wallace's spikemoss

native

SELAGINELLACEAE

Senecio glomeratus Cutleaf burnweed

• invasive non-native
Annual, Perennial herb

Senecio integerrimus Lambstongue ragwort, Mountain butterweed

native
Perennial herb

Senecio integerrimus var. major Lambstongue groundsel, Lambstongue ragwort

native
Perennial herb

Senecio jacobaea Stinking willie, Tansy ragwort

• invasive non-native
Perennial herb

Senecio mikanioides Cape ivy

• invasive non-native
Perennial herb

Senecio minimus Coastal burnweed

non-native
Annual, Perennial herb

Senecio sylvaticus Woodland groundsel, Woodland ragwort

non-native
Annual herb

Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring

non-native
Annual herb

Sequoia sempervirens Coast redwood

native
Tree

Sericocarpus oregonensis Oregon whitetop aster

native
Perennial herb

Sherardia arvensis Blue fieldmadder, Field madder

non-native
Annual herb

Sidalcea asprella Harsh checker mallow

native
Perennial herb (rhizomatous)

Sidalcea malachroides Maple leaved checkerbloom, Mapleleaf checkerbloom

• rare native
Perennial herb

Sidalcea malviflora Checker bloom, Checker mallow, Dwarf checkerbloom

native
Perennial herb

Sidalcea malviflora ssp. nana Dwarf sierran checkerbloom

native
Perennial herb

Sidalcea malviflora ssp. patula Siskiyou checkerbloom

• rare native
Perennial herb (rhizomatous)

Sidalcea oregana Oregon checker mallow, Oregon checkerbloom

native
Perennial herb

Sidalcea oregana ssp. eximia Coast checkerbloom

• rare native
Perennial herb

Silene gallica Common catchfly, Windmill pink

non-native
Annual herb

Silene hookeri Hooker's campion, Hooker's silene

native
Perennial herb

Silene laciniata ssp. californica California indian pink

native
Perennial herb

Silene serpentinicola Serpentine catchfly

• rare native
Perennial herb (rhizomatous)

Silybum marianum Blessed milkthistle, Milk thistle

• invasive non-native
Annual, Perennial herb

Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard

non-native
Annual herb

Sisymbrium officinale Hedge mustard, Hedgemustard

non-native
Annual herb

Sisyrinchium bellum Western blue eyed grass

native
Perennial herb

Sisyrinchium californicum California golden eyed grass, Golden blue eyed grass, Yellow eyed grass

native
Perennial herb

Smilacina stellata var. sessilifolia Starry false lily of the valley

native
Perennial herb

Solanum americanum American black nightshade, Common nightshade, Small flowered nightshade

native
Annual, Perennial herb

SOLANACEAE

Solanum aviculare New Zealand nightshade

• invasive non-native
Shrub

SOLANACEAE

Solanum nigrum Black nightshade

non-native
Annual herb

SOLANACEAE

Solidago canadensis Canada goldenrod

native
Perennial herb

Solidago canadensis var. salebrosa Western goldenrod

• rare native
Perennial herb (rhizomatous)

Solidago elongata West coast canada goldenrod

native
Perennial herb

Solidago spathulata ssp. spathulata Dune goldenrod

native
Perennial herb

Sonchus arvensis Field sowthistle, Perennial sow thistle

• invasive non-native
Perennial herb

Sonchus asper Spiny sowthistle

non-native
Annual herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

• invasive non-native
Annual herb

Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle

non-native
Annual herb

Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed

native
Perennial herb

Sparganium emersum European bur reed

native
Perennial herb

Sparganium eurycarpum Broadfruit bur reed

native
Perennial herb

Sparganium eurycarpum ssp. eurycarpum Broadfruit bur reed

native
Perennial herb

Sparganium simplex European bur reed

native
Perennial herb

Spartium junceum Gorse, Spanish broom

• invasive non-native
Shrub

Spergula arvensis Corn spurry

non-native
Annual herb

Spergula arvensis ssp. arvensis Corn spurry

non-native
Annual herb

Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry

non-native
Annual, Perennial herb

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

native
Shrub

Spiranthes romanzoffiana Hooded ladies tresses, Hooded ladies' tresses, Ladies' tresses

native
Perennial herb

Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

native
Perennial herb

Stachys ajugoides var. rigida Mexican hedgenettle

native
Perennial herb

Stachys arvensis Annual hedge nettle, Field hedge nettle, Staggerweed

non-native
Annual herb

Stachys mexicana Mexican hedgenettle

native
Perennial herb

Stachys rigida Rough hedgenettle

native
Perennial herb

Stachys rigida ssp. quercetorum Rough hedgenettle

native
Perennial herb

Stellaria borealis ssp. sitchana Boreal starwort, Northern starwort, Sitka starwort

native
Perennial herb

Stellaria crispa Curled starwort, Ruffled starwort

native
Perennial herb

Stellaria media Chickweed

non-native
Annual herb

Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed

native
Annual herb

Stipa lemmonii Lemmon's needle grass

native
Perennial grass

Streptopus amplexifolius var. americanus American streptopus, Schultestwisted stalk, Twisted stalk

native
Perennial herb

Streptopus amplexifolius var. americanus

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

native
Shrub

Symphoricarpos mollis Creeping snowberry, Trailing snowberry

native
Shrub

Symphyotrichum chilense California aster, Pacific aster

native
Perennial herb

Synthyris reniformis Snow queen, Snowqueen

native
Perennial herb

Synthyris reniformis var. cordata Serpentine snow queen

native
Perennial herb

Syringa vulgaris Common lilac

non-native
Vine, Shrub

OLEACEAE

Tanacetum camphoratum Dune tansy

native
Perennial herb

Tanacetum parthenium Feverfew

non-native
Perennial herb

Taraxacum officinale Common dandelion

• invasive non-native
Perennial herb

Tauschia glauca Glaucous tauschia, Glaucous umbrellawort

• rare native
Perennial herb

Tauschia kelloggii Kellogg's tauschia, Kellogg's umbrellawort

native
Perennial herb

Taxus brevifolia California yew, Pacific yew, Western yew

native
Tree

TAXACEAE

Teesdalia coronopifolia Lesser shepherds cress, Lesser shepherdscress

non-native
Annual herb

Tellima grandiflora Bigflower tellima, Fringe cups

native
Perennial herb

Tetragonia tetragonioides New zealand spinach

• invasive non-native
Annual herb

AIZOACEAE

Thuja plicata Western red cedar

native
Tree

Tiarella trifoliata var. unifoliata Oneleaf foamflower, Sugarscoop

native
Perennial herb

Tolmiea diplomenziesii

native
Perennial herb

Tonella tenella Lesser baby innocence, Small flowered tonella

native
Annual herb

Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer

• invasive non-native
Annual herb

Torilis japonica Japanese hedge parsely

non-native
Annual herb

Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley

non-native
Annual herb

Torreyochloa pallida var. pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass

native
Perennial grass (rhizomatous)

Torreyochloa pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass

native
Perennial grass (rhizomatous)

Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak

native
Vine, Shrub

ANACARDIACEAE

Toxicoscordion micranthum Small flowered star lily

native
Perennial herb

Tragopogon porrifolius Purple salsify

non-native
Perennial herb

Trientalis latifolia Pacific starflower

native
Perennial herb

MYRSINACEAE

Trifolium albopurpureum Indian clover, Rancheria clover

native
Annual herb

Trifolium albopurpureum var. dichotomum Branched indian clover

native
Annual herb

Trifolium arvense Rabbitfoot clover

non-native
Annual herb

Trifolium bifidum Notch leaf clover, Notchleaf clover, Pinole clover

native
Annual herb

Trifolium breweri Brewer's clover, Forest clover

native
Perennial herb

Trifolium cyathiferum Bowl clover, Cup clover

native
Annual herb

Trifolium depauperatum Cowbag clover, Dwarf sack clover, Pale sack clover

native
Annual herb

Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover

non-native
Annual herb

Trifolium eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum ssp. eriocephalum Woollyhead clover

native
Perennial herb

Trifolium eriocephalum ssp. eriocephalum

Trifolium fucatum Bull clover, Sour clover

native
Annual herb

Trifolium longipes ssp. elmeri Elmer's clover

native
Perennial herb

Trifolium microcephalum Hairy clover, Small headed clover

native
Annual herb

Trifolium microdon Thimble clover, Valparaiso clover

native
Annual herb

Trifolium oliganthum Few flowered clover, Fewflower clover, Minitomcat clover

native
Annual herb

Trifolium pratense Red clover

non-native
Perennial herb

Trifolium repens White clover

non-native
Perennial herb

Trifolium subterraneum Sub clover, Subterranean clover

non-native
Annual herb

Trifolium tridentatum Tomcat clover

native
Annual herb

Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover

native
Annual herb

Trifolium variegatum var. major Large variegated clover

native
Annual herb

Trifolium variegatum var. melananthum Large variegated clover

native
Annual herb

Trifolium variegatum var. variegatum Variegated clover

native
Annual herb

Trifolium willdenovii Tomcat clover

native
Annual herb

Trifolium wormskioldii Coast clover, Cow clover, Cows clover

native
Perennial herb

Triglochin striata Three ribbed arrow grass, Threerib arrowgrass

native
Perennial herb (aquatic)

JUNCAGINACEAE

Trillium albidum Giant white wakerobin

native
Perennial herb

Trillium angustipetalum Narrow petaled wakerobin, Narrowpetal wakerobin

native
Perennial herb

Trillium chloropetalum Common trillium, Giant wakerobin, Trillium

native
Perennial herb

Trillium ovatum Pacific trillium, Wake robin, Western trillium

native
Perennial herb

Triphysaria pusilla Dwarf owl's clover, Little owl's clover

native
Annual herb

Triphysaria versicolor Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Triphysaria versicolor ssp. faucibarbata Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Triphysaria versicolor ssp. faucibarbata

Triphysaria versicolor ssp. versicolor Yellow owl's clover, Yellowbeak owl's clover

native
Annual herb

Trisetum canescens Nodding oatgrass, Nodding trisetum, Tall trisetum

native
Perennial grass

Trisetum cernuum Nodding oatgrass, Nodding trisetum

native
Perennial grass

Triteleia bridgesii Bridges' brodiaea

native
Perennial herb

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

native
Perennial herb

Triteleia laxa Ithuriel's spear

native
Perennial herb

Triticum aestivum Common wheat, Wheat

non-native
Annual grass

Tsuga heterophylla Western hemlock

native
Tree

Typha latifolia Broadleaf cattail, Common cattail, Soft flag

native
Perennial herb (aquatic)

Umbellularia californica Bay laurel, California bay, California laurel, bay tree

native
Tree

LAURACEAE

Urtica dioica ssp. gracilis American stinging nettle, California nettle

native
Perennial herb

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

native
Perennial herb

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

native
Perennial herb

Urtica dioica var. lyallii American stinging nettle, California nettle

native
Perennial herb

Utricularia vulgaris Common bladderwort

native
Perennial herb

LENTIBULARIACEAE

Vaccinium ovatum California huckleberry, Evergreen huckleberry

native
Shrub

Vaccinium parvifolium California red huckleberry, Red bilberry, red huckleberry

native
Shrub

Valeriana sitchensis Sitka valerian

native
Perennial herb

Valeriana sitchensis ssp. scouleri Scouler's valerian

native
Perennial herb

Vancouveria hexandra Deciduous vancouveria, Northern vancouveria, White insideout flower

native
Perennial herb

Veratrum insolitum Siskiyou false hellebore

• rare native
Perennial herb

Verbascum blattaria Moth mullein

non-native
Perennial herb

Verbascum thapsus Common mullein, Woolly mullein

• invasive non-native
Perennial herb

Veronica americana American brooklime, American speedwell, Brooklime

native
Perennial herb

Veronica arvensis Corn speedwell, Speedwell

non-native
Annual 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 Thymeleaf speedwell

native
Perennial herb

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

native
Perennial herb

Viburnum opulus var. roseum European cranberrybush , Guelder-rose

non-native
Shrub

Vicia americana American vetch

native
Perennial herb, Vine

Vicia americana ssp. americana American vetch

native
Perennial herb, Vine

Vicia angustifolia Common vetch, Garden vetch, Smaller common vetch

non-native
Annual herb, Vine

Vicia benghalensis Purple vetch, Reddish tufted vetch, Vetch

non-native
Annual herb, Vine

Vicia disperma European vetch

non-native
Annual herb

Vicia gigantea Giant vetch

native
Perennial herb

Vicia hirsuta Hairy vetch, Tiny vetch, Vetch

non-native
Annual herb, Vine

Vicia nigricans Small Tree-Mallow

Vicia nigricans ssp. gigantea Giant vetch

native
Perennial herb

Vicia sativa Spring vetch

non-native
Annual herb, Vine

Vicia sativa ssp. nigra Common vetch, Garden vetch, Smaller common vetch

non-native
Annual herb, Vine

Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch

non-native
Annual herb, Vine

Vicia tetrasperma Four seeded vetch, Lentil vetch

non-native
Annual herb

Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch

non-native
Annual herb, Vine

Vinca major Greater periwinkle, Bigleaf periwinkle

• invasive non-native
Perennial herb

APOCYNACEAE

Viola adunca Blue violet, Dog violet, Hookedspur violet

native
Perennial herb

Viola cuneata Wedge leaf violet, Wedgeleaf violet

native
Perennial herb

Viola glabella Pioneer violet, Stream violet, Stream Violet, Smooth Yellow Violet

native
Perennial herb

Viola lobata Moose horn violet, Pine violet, Yellow violet

native
Perennial herb

Viola lobata ssp. lobata Moose horn violet, Pine violet

native
Perennial herb

Viola praemorsa Astoria violet, Canary 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 sempervirens Evergreen violet, Redwood violet

native
Perennial herb

Vitis californica California grape, California wild grape

native
Vine, Shrub

VITACEAE

Vulpia megalura Rattail sixweeks grass

• invasive non-native
Annual grass

Vulpia myuros var. myuros Rattail sixweeks grass

• invasive non-native
Annual grass

Whipplea modesta Modesty, Whipplea, Whipplevine

native
Vine, Shrub

HYDRANGEACEAE

Wisteria sinensis Chinese wisteria

non-native
Perennial herb

Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern

native
Fern

BLECHNACEAE

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

native
Perennial herb

Xanthium strumarium Rough cockleburr

native
Annual herb

Xerophyllum tenax Common beargrass

native
Perennial herb

Yabea microcarpa California hedge parsley, False carrot

native
Annual herb