Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

Rosaceae

Cotoneaster dielsianus E. Pritz. ex Diels[HC2]

Diel's cotoneaster

Added 4/19/2018

Juncaceae

Luzula nivea (L.) DC.[HC2]

snowy woodrush

Added 4/19/2018

Fabaceae

Trifolium hirtum All.[HC2]

rose clover

Added 4/17/2018

Geraniaceae

Geranium ibericum Cav.

montane crane's-bill, Spanish crane's-bill, montane geranium, Spanish geranium

Added 4/13/2018

Asteraceae

Lactuca tatarica (L.) C.A. Mey. ssp. pulchella (Pursh) Stebbins[HC2]

blue lettuce

Added 4/13/2018

Apiaceae

Lomatium piperi J.M. Coult. & Rose[HC2, JPM2]

Piper's biscuit-root, Piper's desert-parsley

Added 4/9/2018

Fabaceae

Hedysarum boreale Nutt. var. boreale[HC, HC2]

Added 4/6/2018

Liliaceae

Calochortus longebarbatus S. Watson[FNA26, HC, HC2]

long-bearded sego-lily

Added 4/6/2018

Plantaginaceae

Callitriche trochlearis Fassett[HC, HC2]

effluent water-starwort

Added 4/6/2018

Ulmaceae

Ulmus procera Salisb.[FNA3, HC2]

field elm

Added 4/3/2018

Berberidaceae

Mahonia nervosa (Pursh) Nutt.

Cascade Oregon-grape, dull Oregon-grape

Added 3/29/2018

Berberidaceae

Mahonia repens (Lindl.) G. Don

creeping Oregon-grape, low Oregon-grape

Added 3/29/2018

Berberidaceae

Mahonia aquifolium (Pursh) Nutt.

holly-leaf Oregon-grape, shining Oregon-grape, tall Oregon-grape

Added 3/29/2018

Apiaceae

Lomatium lithosolamans J.F. Sm. & M.A. Feist[HC2]

Hoover's biscuit-root, Hoover's desert-parsley, Hoover's lomatium

Added 3/28/2018

Apiaceae

Lomatium tamanitchii Darrach & Thie[HC2]

ribseed biscuit-root, ribseed desert-parsley

Added 3/28/2018

Montiaceae

Claytonia umbellata S. Watson[FNA4, HC, HC2]

Great Basin springbeauty

Added 3/19/2018

Asteraceae

Pleiacanthus spinosus (Nutt.) Rydb.[FNA19, HC2]

thorny skeletonweed

Added 3/19/2018

Caryophyllaceae

Cherleria obtusiloba (Rydb.) A. J. Moore & Dillenb.[HC2]

alpine sandwort

Added 3/15/2018

Caryophyllaceae

Sabulina sororia B.S. Legler[HC2]

Twin Sisters sandwort

Added 3/15/2018

Caryophyllaceae

Sabulina basaltica B.S. Legler[HC2]

basalt sandwort, Olympic sandwort

Added 3/15/2018

Apocynaceae

Asclepias incarnata L.[Draft FNA]

swamp milkweed

Added 3/14/2018

Pteridaceae

Myriopteris gracilis Fée[Grusz & Windham 2013, HC2]

Fee's lace-fern, slender lace-fern, Fee's lip fern

Added 3/13/2018

Amaranthaceae

Chenopodium atrovirens Rydb.[FNA4, HC2]

pinyon goosefoot

Added 3/8/2018

Poaceae

Vulpia bromoides (L.) Gray[FNA24, HC2]

brome fescue

Added 3/7/2018

Orobanchaceae

Aphyllon fasciculatum (Nutt.) Torr. & A. Gray[HC2]

clustered broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon pinorum (Geyer ex Hook.) A. Gray[HC2]

pine broomrape, pinewoods broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon ludovicianum (Nutt.) A. Gray[HC2]

Louisiana broomrape, Suksdorf's broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon corymbosum (Rydb.) A.C. Schneid.[HC2]

flat-topped broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. grayanum (Beck) A.C. Schneid.[HC2]

Gray's California broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon californicum (Cham. & Schltdl.) A. Gray ssp. californicum[HC2]

California broomrape

Added 3/7/2018

Orobanchaceae

Aphyllon purpureum (A. Heller) Holub[HC2]

Added 3/7/2018

Poaceae

Cenchrus longispinus (Hack.) Fernald[FNA25, HC, HC2]

longspine sandbur, mat sandbur

Added 3/2/2018

Boraginaceae

Lycopsis arvensis L.[HC2]

annual bugloss, European bugloss, small bugloss

Added 3/1/2018

Polygonaceae

Fallopia convolvulus (L.) Á. Löve[FNA5, HC2]

black bindweed, climbing bindweed, ivy bindweed

Added 3/1/2018

Polygonaceae

Fallopia baldschuanica (Regel) Holub[FNA5, HC2]

Bukhara fleeceflower, Chinese fleecevine, mile-a-minute vine

Added 3/1/2018

Polygonaceae

Fallopia sachalinensis (F. Schmidt) Ronse Decr.[FNA5, HC2]

giant knotweed

Added 3/1/2018

Polygonaceae

Fallopia japonica (Houtt.) Ronse Decr.[FNA5, HC2]

itadori knotweed

Added 3/1/2018

Polygonaceae

Fallopia ×bohemica (Chrtek & Chrtková) J.P. Bailey[FNA5, HC2]

hybrid knotweed

Added 3/1/2018

Valerianaceae

Valeriana occidentalis A. Heller[HC, HC2]

small-flower valerian, western valerian

Added 2/28/2018

Amaranthaceae

Atriplex longipes Drejer[Flora Europaea, HC2]

long-stalked orache, Baltic saltbush

Added 2/25/2018

Rhamnaceae

Frangula purshiana (DC.) A. Gray ex J.G. Cooper[HC2, JPM2]

buckthorn, false buckthorn, cascara

Added 2/12/2018

Rhamnaceae

Frangula purshiana (de Candolle) A. Gray ssp. purshiana[FNA]

buckthorn, cascara

Added 2/12/2018

Fabaceae

Lupinus microcarpus Sims[HC, HC2]

chick lupine

Added 2/12/2018

Geraniaceae

Geranium rotundifolium L.[HC2]

round-leaved geranium

Added 2/1/2018

Platanaceae

Platanus occidentalis L.[FNA3]

American plane-tree, sycamore

Added 2/1/2018

Fabaceae

Ladeania lanceolata (Pursh) A.N. Egan & Reveal[HC2]

wild lemonweed, lance-leaf scurfpea, lemon scurf-pea

Added 1/31/2018

Brassicaceae

Physaria douglasii (S. Watson) O’Kane & Al-Shehbaz[FNA7, HC2]

Columbia bladderpod, Douglas' bladderpod

Added 1/29/2018

Crassulaceae

Sedum brevifolium DC.[HC2]

short-leaved stonecrop

Added 12/27/2017

Plantaginaceae

Veronica ×lackschewitzii Keller[HC2]

Lackschewitz's speedwell

Added 12/27/2017

Brassicaceae

Lepidium strictum (S. Watson) Rattan[FNA7, HC, HC2]

upright peppergrass

Added 12/27/2017

Juglandaceae

Juglans ailantifolia Carrière[HC2]

Japanese walnut

Added 12/27/2017

Potamogetonaceae

Potamogeton strictifolius A. Benn.[FNA22, HC2]

narrowleaf pondweed

Added 12/15/2017

Campanulaceae

Heterocodon rariflorus Nutt.[HC2]

western pearlflower

Added 12/12/2017

Asteraceae

Packera porteri (Greene) C. Jeffrey[FNA20, HC2]

Porter's groundsel

Added 12/7/2017

Asparagaceae

Brodiaea rosea (Greene) Baker var. rosea[HC2]

Indian Valley brodiaea

Added 12/7/2017

Phrymaceae

Diplacus cusickioides G.L. Nesom[HC2]

Nesom's monkey-flower

Added 12/7/2017

Haloragaceae

Myriophyllum sibiricum Kom. × Myriophyllum spicatum L.

hybrid Eurasian milfoil

Added 12/5/2017

Thymelaeaceae

Thymelaea passerina (L.) Coss. & Germ.[HC2]

mezereon

Added 12/5/2017

Fabaceae

Astragalus canadensis L. var. canadensis[HC2, IFBC]

Canada milk-vetch

Added 11/27/2017

Alismataceae

Alisma plantago-aquatica L.[FNA22, HC, HC2]

European water plantain

Added 11/27/2017

Brassicaceae

Hirschfeldia incana (L.) Lagr.-Foss.[FNA7, HC2]

Mediterranean hoary mustard, short-podded mustard, summer mustard

Added 11/27/2017

Rosaceae

Prunus lusitanica L.[HC2]

Portugal laurel

Added 11/27/2017

Typhaceae

Typha domingensis Pers.[FNA22, HC2]

southern cat-tail

Added 11/20/2017

Lythraceae

Lythrum hyssopifolia L.[HC, HC2]

hyssop loosestrife

Added 11/6/2017

Asteraceae

Antennaria monocephala DC.[FNA19, HC2]

pygmy pussytoes, single-headed pussytoes

Added 10/23/2017

Saxifragaceae

Saxifragaceae [FNA8, HC, HC2]

Saxifrage Family

Added 10/21/2017

Cyperaceae

Cyperus fuscus L.[FNA23, HC2]

brown flatsedge, brown galingale

Added 10/21/2017

Asteraceae

Cota triumfettii (L.) J. Gay[HC2]

Added 9/15/2017

Orobanchaceae

Rhinanthus minor L. ssp. minor[HC2]

Added 9/13/2017

Orobanchaceae

Rhinanthus minor L. ssp. groenlandicus (Chabert) Neum.[HC2]

Added 9/13/2017

Lythraceae

Ammannia coccinea Rottb.[Draft FNA, HC, HC2]

valley redstem

Added 9/13/2017

Asteraceae

Senecio viscosus L.[FNA20, HC2]

sticky ragwort

Added 9/8/2017

Caryophyllaceae

Lepyrodiclis holosteoides (C.A. Mey.) Fenzl ex Fisch. & C.A. Mey.[FNA5, HC2]

False jagged-chickweed

Added 8/31/2017

Amaranthaceae

Bassia scoparia (L.) A.J. Scott[HC2]

red belvedere, mock cypress, summer cypress

Added 8/29/2017

Cyperaceae

Carex zikae E.H. Roalson & M.J. Waterway[HC2]

short-stemmed sedge, Zika's sedge

Added 8/28/2017

Platanaceae

Platanaceae [FNA3]

Plane-Tree Family, Sycamore Family

Added 8/23/2017

Rosaceae

Aronia melanocarpa (Michx.) Elliott[FNA9, HC2]

black chokeberry

Added 8/14/2017

Montiaceae

Lewisia cotyledon (S. Watson) B.L. Rob.[FNA4, HC, HC2]

Siskiyou lewisia

Added 8/9/2017

Geraniaceae

Erodium botrys (Cav.) Bertol.[HC2]

longbeak stork's-bill

Added 7/21/2017

Ericaceae

Kalmia microphylla (Hook.) A. Heller var. microphylla[FNA8, HC2]

alpine-laurel, bog laurel

Added 7/18/2017

Caryophyllaceae

Cherleria biflora (L.) A. J. Moore & Dillenb.[HC2]

two-flowered sandwort

Added 7/14/2017

Plantaginaceae

Penstemon hesperius M. Peck[HC2]

tall beardtongue

Added 7/11/2017

Plantaginaceae

Penstemon rydbergii A. Nelson[HC, HC2]

Rydberg's beardtongue

Added 7/11/2017

Euphorbiaceae

Euphorbia oblongata Griseb.[HC2, Stace 1997]

balkan spurge, egg-leaf spurge

Added 6/22/2017

Poaceae

Crypsis vaginiflora (Forssk.) Opiz[FNA25, HC2]

modest pricklegrass

Added 6/22/2017

Asparagaceae

Camassia cusickii S. Watson[FNA26, HC, HC2]

Cusick's camas

Added 6/22/2017

Juncaceae

Juncus inflexus L.[FNA22, HC2]

blue rush

Added 6/22/2017

Crassulaceae

Crassula solieri (Gay) F. Meigen[FNA8, HC2]

smooth-seed pygmyweed

Added 6/21/2017

Limnanthaceae

Limnanthes alba Hartw. ex Benth.[FNA7, HC2]

white meadowfoam

Added 6/21/2017

Fabaceae

Trifolium striatum L.[HC, HC2]

knotted clover

Added 6/12/2017

Asteraceae

Symphyotrichum bracteolatum (Nutt.) G.L. Nesom[HC2, JPM2]

bracted aster, Eaton's aster, Oregon aster

Added 5/30/2017

Hydrophyllaceae

Nemophila maculata Benth. ex Lindl.

baby blue eyes, five-spot

Added 5/25/2017

Violaceae

Viola riviniana Rchb.[HC2]

dog violet, wood violet

Added 5/25/2017

Orchidaceae

Neottia banksiana (Lind.) Rchb. f.[HC2]

northwestern twayblade

Added 5/17/2017

Geraniaceae

Geranium pyrenaicum Burm. f.[HC2]

hedgerow crane's-bill

Added 5/16/2017

Pteridaceae

Myriopteris gracillima (D. C. Eaton) J. Sm.[Grusz & Windham 2013, HC2]

lace lip fern

Added 5/15/2017

Rosaceae

Prunus tomentosa Thunb.[HC2]

Nanking cherry

Added 5/15/2017

Poaceae

Tripidium ravennae (L.) H. Scholz[HC2]

ravennagrass

Added 4/28/2017

Rosaceae

Prunus persica (L.) Batsch[HC2]

peach

Added 4/28/2017

Amaryllidaceae

Narcissus ×incomparabilis Mill.[FNA26, HC2]

hybrid daffodil, nonesuch daffodil

Added 4/28/2017