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
1B.1

Perennial herb

NYCTAGINACEAE

Acacia dealbata Silver wattle

invasive non-native
moderate

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 Small Tree-Mallow

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 Small Tree-Mallow

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
limited

Perennial grass

Agrostis tenuis var. aristata Colonial bentgrass

non-native

Perennial grass

Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass

non-native

Annual grass

Aira praecox Yellow hairgrass

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

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
high

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

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
limited

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
4.2

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' 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
4.3

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

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
moderate

Annual grass

Avena fatua Wild oat, Wildoat

invasive non-native
moderate

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

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
watch (high risk)

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 Common mustard, Field mustard, Rape mustard

invasive non-native
limited

Annual herb

Brassica nigra Black mustard

invasive non-native
moderate

Annual herb

Brassica rapa Common mustard, Field mustard, Rape mustard

invasive non-native
limited

Annual herb

Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass

invasive non-native
limited

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 Sitka brome

native

Perennial grass

Bromus carinatus var. carinatus California 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
moderate

Annual grass

Bromus hordeaceus Soft brome, Soft chess

invasive non-native
limited

Annual grass

Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess

invasive non-native
limited

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
limited

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
watch (high risk)

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
limited

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, Venus' slipper

native

Perennial herb

Calypso bulbosa var. occidentalis Fairy slipper

native

Perennial herb

Calystegia atriplicifolia Nightblooming false bindweed

native

Perennial herb (rhizomatous)

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, milk maids

native

Perennial herb

Cardamine integrifolia California toothwort, milkmaids, milk maids

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
moderate

Perennial herb

AIZOACEAE

Castanopsis chrysophylla Giant chinquapin, Golden chinquapin

native

Tree, Shrub

Castilleja affinis Indian paintbrush

native

Perennial herb (hemiparasitic)

Castilleja affinis ssp. affinis Coast indian paintbrush

native

Perennial herb (hemiparasitic)

Castilleja attenuata Narrow leaved owl's clover, Valley tassels

native

Annual herb (hemiparasitic)

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
moderate

Annual herb

Centaurea stoebe ssp. micranthos Spotted knapweed

invasive non-native
high

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 (mycoparasitic)

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
moderate

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
4.3

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 Klamath thistle

native

Perennial herb

Cirsium arvense Canada thistle

invasive non-native
moderate

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
moderate

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
moderate

Perennial herb

Convolvulus arvensis Field bindweed, Orchard morningglory

non-native

Perennial herb, Vine

Coptis laciniata Oregon golden thread, Oregon goldthread

rare native
4.2

Perennial herb

Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot

native

Perennial herb (mycoparasitic)

Corallorhiza mertensiana Merten's coral root, Pacific coralroot

native

Perennial herb (mycoparasitic)

Corallorhiza striata Hooded coralroot, Striped coral root

native

Perennial herb (mycoparasitic)

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

native

Annual herb (hemiparasitic)

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
high

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
moderate

Shrub

Cotoneaster integrifolius Entire-leaved cotoneaster

non-native

Shrub

Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster

invasive non-native
moderate

Shrub

Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons

non-native

Annual herb

Cotula coronopifolia Brass buttons, Common brassbuttons

invasive non-native
limited

Perennial herb

Crataegus monogyna Hawthorn

invasive non-native
limited

Shrub

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

non-native

Annual, Perennial herb

Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars

invasive non-native
limited

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
moderate

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
4.2

Perennial herb (rhizomatous)

Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern

native

Fern

CYSTOPTERIDACEAE

Cytisus multiflorus Spanish broom, White spanishbroom

invasive non-native
watch (high risk)

Shrub

Cytisus scoparius Scotch broom, Scotchbroom

invasive non-native
high

Shrub

Dactylis glomerata Orchard grass, Orchardgrass

invasive non-native
limited

Perennial grass

Danthonia californica California oatgrass

native

Perennial grass

Daucus carota Queen Anne's lace, Wild carrot

non-native

Perennial herb

Daucus pusillus American wild carrot, Rattlesnake weed

native

Annual herb

Delairea odorata Cape ivy

invasive non-native
high

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
limited

Perennial herb

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

invasive non-native
moderate

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
4.3

Perennial grasslike herb

Elodea canadensis Canadian waterweed, Common water weed, Elodea

native

Perennial herb

HYDROCHARITACEAE

Elymus caput-medusae Medusa head

invasive non-native
high

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 Fringed willowherb, Northern willow herb, Willow herb

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
moderate

Annual, Perennial herb

Erica lusitanica Spanish heather

invasive non-native
limited

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
limited

Annual herb

Erysimum capitatum Sanddune wallflower, Western wallflower

native

Perennial herb

Erysimum capitatum ssp. capitatum Sanddune 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
2B.2

Perennial herb (bulb)

Erythronium revolutum Mahogany fawn lily

rare native
2B.2

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
3

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
watch (high risk)

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
moderate

Perennial herb

Festuca arundinacea Alta fescue, Reed fescue, Tall fescue

invasive non-native
moderate

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
moderate

Annual grass

Festuca occidentalis Western fescue

native

Perennial grass

Festuca perennis Italian rye grass

invasive non-native
moderate

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
moderate

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
high

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
limited

Annual herb

Geranium lucidum Shiny geranium, Shining geranium

invasive non-native
watch (high risk)

Annual, Biennial herb

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

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

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
1B.2

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
4.2

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
high

Vine, Shrub

ARALIACEAE

Helenium puberulum Rosilla, Sneezeweed

native

Perennial herb

Helminthotheca echioides Bristly ox-tongue

invasive non-native
limited

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
4.3

Annual herb

Hemizonia tracyi Hayfield tarweed, Tracy's tarplant

rare native
4.3

Annual herb

Heracleum maximum Common cow parsnip

native

Perennial herb

Hesperocyparis macrocarpa Monterey cypress

native
1B.2

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
moderate

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 Small Tree-Mallow

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

invasive non-native
moderate

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
4.3

Perennial herb

Hosackia gracilis Harlequin lotus

rare native
4.2

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
limited

Perennial herb

Hypericum scouleri Scouler's St John's wort

native

Perennial herb

Hypochaeris glabra Smooth cat's ear

invasive non-native
limited

Annual herb

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

invasive non-native
moderate

Perennial herb

Ilex aquifolium English holly, Holly

invasive non-native
limited

Tree, Shrub

AQUIFOLIACEAE

Iris douglasiana Douglas iris, Douglas' iris

native

Perennial herb

Iris innominata Del norte county iris

rare native
4.3

Perennial herb (rhizomatous)

Iris tenax ssp. klamathensis Klamath iris, Orleans iris

rare native
4.3

Perennial herb (rhizomatous)

Iris tenuissima Iris, Longtube iris, Slender iris

native

Perennial herb

Isatis tinctoria Dyer's woad, Dyers woad

invasive non-native
moderate

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
4.3

Perennial herb

Lathyrus japonicus Beach pea, Sea pea

rare native
2B.1

Perennial herb

Lathyrus japonicus var. glaber Beach pea, Sea pea

rare native
2B.1

Perennial herb

Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea

invasive non-native
watch (high risk)

Perennial herb

Lathyrus littoralis Beach pea, Silky beach pea

native

Perennial herb

Lathyrus nevadensis var. nevadensis Sierra nevada pea, Sierra pea

native

Perennial herb

Lathyrus palustris Marsh pea

rare native
2B.2

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
1B.1

Annual herb

Lemna

Leontodon leysseri Hawkbit

non-native

Annual 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
moderate

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
4.2

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
moderate

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
4.2

Perennial herb

Lithocarpus densiflorus tanbark-oak

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
moderate

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
4.2

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

non-native

Perennial herb

Lotus purshianus American bird's foot trefoil, American 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
high

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
4.1

LYCOPODIACEAE

Lysichiton americanus American skunkcabbage, Yellow skunk cabbage

native

Perennial herb

ARACEAE

Lythrum hyssopifolia Hyssop loosestrife

invasive non-native
moderate

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
limited

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 White sweetclover

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
moderate

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 integrifolia Smooth leaf saxifrage

native

Perennial herb

Micranthes marshallii Marshall's saxifrage

rare native
4.3

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

rare native
1B.3

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
2B.2

Perennial herb

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

rare native
2B.2

Perennial herb

Monotropa hypopithys Pinesap

native

Perennial herb (mycoparasitic)

Monotropa uniflora Ghost pipe

rare native
2B.2

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
2B.2

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
limited

Perennial herb

Myosotis sylvatica Woodland forget me not

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
1B.1

Perennial herb

Origanum vulgare ssp. hirtum Oregano

non-native

Perennial herb

Orobanche fasciculata Clustered broomrape

native

Perennial herb (parasitic)

Orobanche uniflora Purple broomrape

native

Annual herb (parasitic)

Orobanche uniflora var. purpurea Purple broomrape

native

Annual herb (parasitic)

Orobanche uniflora var. sedii Purple broomrape

native

Annual herb (parasitic)

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

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
4.3

Perennial herb

Ozomelis trifida Three parted miterwort

native

Perennial herb

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

rare native
2B.2

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
limited

Annual herb (hemiparasitic)

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
moderate

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
moderate

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
1B.1

Tree

Piperia elegans Coast piperia, Elegant piperia, Elegant rein orchid

native

Perennial herb

Piperia elegans ssp. elegans Elegant piperia

native

Perennial herb

Pityopus californica

rare native
4.2

Perennial herb (mycoparasitic)

Pityopus californicus

rare native
4.2

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

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
limited

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
4.2

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
4.3

Perennial grass (rhizomatous)

Poa pratensis Kentucky blue grass, Kentucky bluegrass

invasive non-native
limited

Perennial grass

Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass

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
limited

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
limited

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
limited

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
limited

Perennial herb

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

invasive non-native
limited

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
limited

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
4.3

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
limited

Tree

Robinia pseudoacacia Black locust

invasive non-native
limited

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
high

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
moderate

Perennial herb

Rumex crassus Willow leaved dock

native

Perennial herb

Rumex crispus Curly dock, Curly leaved dock, Rhubarb

invasive non-native
limited

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
limited

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
4.3

Perennial herb

Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort

invasive non-native
limited

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 The Eddys 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
moderate

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 Tansy ragwort

non-native

Perennial herb

Senecio mikanioides Cape ivy

invasive non-native
high

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
4.2

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
1B.2

Perennial herb (rhizomatous)

Sidalcea oregana Oregon checker mallow, Oregon checkerbloom

native

Perennial herb

Sidalcea oregana ssp. eximia Coast checkerbloom

rare native
1B.2

Perennial herb

Silene gallica Common catchfly, Windmill pink

non-native

Annual herb

Silene hookeri Hooker's campion, Hooker's silene

native
2B.2

Perennial herb

Silene laciniata ssp. californica California indian pink

native

Perennial herb

Silybum marianum Blessed milkthistle, Milk thistle

invasive non-native
limited

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
watch (high risk)

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
3.2

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

non-native

Perennial herb

Sonchus asper Spiny sowthistle

non-native

Annual herb

Sonchus asper ssp. asper Prickly sow thistle, Sow thistle

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
high

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 Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle

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

non-native

Perennial herb

Tauschia glauca Glaucous tauschia, Glaucous umbrellawort

rare native
4.3

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

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
moderate

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 (hemiparasitic)

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

native

Annual herb (hemiparasitic)

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

native

Annual herb (hemiparasitic)

Triphysaria versicolor ssp. faucibarbata

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

native

Annual herb (hemiparasitic)

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
4.3

Perennial herb

Verbascum blattaria Moth mullein

non-native

Perennial herb

Verbascum thapsus Common mullein, Woolly mullein

invasive non-native
limited

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
moderate

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
moderate

Annual grass

Vulpia myuros var. myuros Rattail sixweeks grass

invasive non-native
moderate

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