My
sources for all the plants on my Washington Natives list are:
- Lady
Bird Johnson Wildflower Center
- Central
Washington Native Plants
- UW
Herbarium at the Burke
- Garden
Guide
- Washington
Native Plant Society
- USDA
Plants Database
- Najas
flexilis syn Caulinia flexilis, Najas caespitosa, Najas flexilis
ssp. caespitosa, Najas flexilis var. congesta, Najas flexilis var. robusta
- Nodding waternymph, slender or wavy water nymph, or slender naias
- Najas
guadalupensis - Common Water Nymph, Naja,s Southern waternymph, naiad,
southern naiad
- Nama
aretioides - Ground nama
- Nama
densum - leafy nama, matted nama
- Navarretia
breweri - Brewer's navarretia, yellow pincushion-plant, yellow-flowered
navarretia
- Navarretia
divaricata - divaricate navarretia, mountain navarretia
- Navarretia
intertexta - needleleaf navarretia
- Navarretia
leucocephala - whitehead navarretia, least navarretia
Navarretia squarrosa syn Gilia squarrosa - Skunkweed- Nemophila
breviflora - Basin nemophila, Great Basin baby-blue-eyes, Great Basin
nemophila
-
Nemophila parviflora - Small-flowered nemophila
-
Nemophila pedunculata - Meadow nemophila, littlefoot nemophila
Nicotiana attenuata - Coyote tobacco - Noccaea
montana - Alpine pennycress, Alpine pennygrass
- Nothocalais
alpestris syn Agoseris alpestris, Agoseris barbellulata, Microseris
alpestris - Alpine lake prairie-dandelion, alpine lake agoseris
- Nothocalais
troximoides syn Microseris troximoides, Scorzonella troximoides
- Wavyleaf Prairie Dandelion, weevil prairie-dandelion, false agoseris
- Nothochelone
nemorosa syn Penstemon nemorosus - Woodland penstemon, Woodland-beardtongue
- Nuphar
lutea - Cow lily, Spatter dock, Yellow cow lily, Yellow pond-lily
-
Nuphar lutea ssp. polysepala syn Nuphar polysepala, Nymphaea polysepala,
Nymphozanthus polysepalus - Rocky Mountain pond-lily
- Nuttallanthus
canadensis syn Linaria canadensis, Linaria canadensis var. canadensis
- Blue Toadflax, Canada toadflax
- Nuttallanthus
texanus syn Linaria canadensis var. texana , Linaria texana -
Texas toadflax, Toadflax
-
Nymphaea tetragona syn Castalia tetragona - Pygmy waterlily
-
Oemlaria cerasiformis syn Nuttallia cerasiformis, Osmaronia cerasiformis
- Indian plum, oso-berry, osoberry
-
Oenanthe sarmentosa - Water parsley, Pacific water-dropwort
-
Oenothera caespitosa syn Oenothera cespitosa - Gumbo evening-primrose,
Gumbo lily, Tufted evening-primrose
- Oenothera
elata - Hooker's evening-primrose
-
Oenothera flava - Long-tube evening-primrose, Shortfin evening-primrose,
Yellow evening-primrose
- Oenothera
pallida - Pale evening-primrose
- Olsynium
douglasii syn Sisyrinchium douglasii, Sisyrinchium inflatum -
Douglas' grasswidow, Grass Widow, Purple-Eyed Grass, inflated grasswidow
-
Olsynium douglasii var. douglasii syn Sisyrinchium douglasii, Sisyrinchium
inalatum - Golden blue-eyed grass, Douglas' grasswidow
-
Ophioglossum pusillum syn Ophioglossum vulgatum, Ophioglossum vulgatum
var. alaskanum, Ophioglossum vulgatum var. pseudopodum - Northern
adderstongue
- Oplopanax
horridus syn Oplopanax horridum, Echinopanax horridus, Fatsia horrida
- Devilsclub
-
Opuntia fragilis syn
Cactus fragilis, Opuntia brachyarthra, Opuntia fragilis ssp. brachyarthra,
Opuntia fragilis var. brachyarthra, Opuntia fragilis var. denudata,
Opuntia fragilis var. fragilis - Brittle cactus, little prickly pear,
fragile prickly pear, brittle pricklypear, jumping cactus
- Opuntia
polyacantha - Hair-spine prickly-pear, Plains prickly-pear, starvation
cactus
- Oreostemma
alpigenum - Tundra aster
- Orobanche
californica - California broomrape
- Orobanche
corymbosa - flat-topped broomrape
- Orobanche
fasciculata syn Anoplanthus fasciculatus, Aphyllon fasciculatum,
Orobanche fasciculata var. franciscana, Orobanche fasciculata var. lutea,
Orobanche fasciculata var. subulata, Orobanche fasciculata var. typica,
Thalesia fasciculata, Thalesia lutea - Clustered broomrape
- Orobanche
ludoviciana - Louisiana broomrape, Suksdorf's broomrape
- Orobanche
pinorum syn Aphyllon pinorum, Myzorrhiza pinorum, Phelipaea pinorum
- conifer broomrape, pinewoods broomrape, pine broomrape
-
Orobanche uniflora syn Aphyllon uniflorum, Orobanche porphyrantha,
Orobanche purpurea, Orobanche sedii, Orobanche terrae-novae, Orobanche
ssp. occidentalis, Orobanche uniflora var. minuta, Orobanche uniflora,
Orobanche uniflora var. sedii, Orobanche uniflora var. terrae-novae,
Orobanche uniflora var. typica, Thalesia uniflora - One-flower Cancer
Root, Oneflowered broomrape, Naked broomrape
- Orogenia
linearifolia syn Orogenia linearifolia var. lata - Great Basin
Indian potato, linear-leaved orogenia
- Orthilia
secunda syn Orthilia secunda ssp. obtusata, Orthilia secunda var.
obtusata, Pyrola secunda, Pyrola secunda ssp. obtusata, Pyrola secunda
var. obtusata, Ramischia elatior, Ramischia secunda - One-sided Wintergreen,
Sidebells wintergreen, one-sided pyrola, sidebells
-
Orthocarpus bracteosus syn Orthocarpus bracteosus var. albus -
rosy owl-clover
-
Orthocarpus imbricatus - Mountain owl's-clover
- Orthocarpus
luteus - Yellow owl's-clover, golden-tongue owl-clover
- Orthocarpus
tenuifolius - thin-leaved owl-clover, narrow-leafed owl-clover
- Oryzopsis
asperifolia - Roughleaf ricegrass
- Osmorhiza
berteroi syn Osmorhiza brevipes, Osmorhiza chilensis, Osmorhiza
divaricata, Osmorhiza nuda, Washingtonia divaricata - Mountain sweet-cicely,
Sweetcicely, Chilean sweet-cicely
- Osmorhiza
depauperata syn Osmorhiza chilensis var. cupressimontana, Osmorhiza
obtusa, Washingtonia obtusa - Bluntseed sweetroot, Sweetcicely
- Osmorhiza
occidentalis syn Glycosma occidentalis, Osmorhiza ambigua - Western
Sweet-Cicely, Sierran sweet-cicely
- Osmorhiza
purpurea syn Osmorhiza chilensis var. purpurea, Osmorhiza leibergii,
Washingtonia purpurea - purple sweet-cicely
- Oxalis
oregana syn Oxalis acetosella ssp. oregana, Oxalis oregana var.
smallii - Oregon Wood Sorrel, Redwood-sorrel
-
Oxalis suksdorfii syn Oxalis corniculata var. macrantha, Oxalis
macrantha, Oxalis pumila, Oxalis recurva var. macrantha, Xanthoxalis
macrantha, Xanthoxalis suksdorfii - Suksdorf wood-sorrel, western
yellow wood-sorrel
- Oxyria
digyna syn Rumex digyna - Alpine mountainsorrel, Mountain Sorrel
- Oxytropis
borealis - boreal locoweed, sticky crazyweed
- Oxytropis
campestris - Field locoweed, Northern field oxytrope, Northern yellow
locoweed, slender crazyweed
- Oxytropis
deflexa - Nodding locoweed
-
Oxytropis monticola syn Oxytropis campestris ssp. gracilis, Oxytropis
campestris var. cervinus, Oxytropis campestris var. gracilis, Oxytropis
gracilis, Oxytropis luteola, Oxytropis villosa - Yellowflower locoweed
-
Pachistima myrsinites - Mountain box
- Packera
cana syn Senecio canus, Senecio convallium, Senecio hallii, Senecio
hallii var. discoidea, Senecio harbourii, Senecio howellii, Senecio
purshianus - Gray ragwort, Silver-woolly groundsel, Woolly groundsel
- Packera
indecora syn Senecio indecorus, Senecio pauciflorus var. fallax
- Elegant groundsel, rayless mountain butterweed, rayless mountain groundsel
- Packera
macounii syn Senecio ligulifolius, Senecio macounii - Siskiyou
Mountain ragwort
- Packera
pauciflora syn Senecio discoideus, Senecio pauciflorus - alpine
groundsel, rayless alpine butterweed, rayless groundsel
- Packera
paupercula syn Senecio balsamitae, Senecio crawfordii, Senecio gaspensis,
Senecio gaspensis var. firmifolius, Senecio pauperculus, Senecio pauperculus
var. balsamitae, Senecio pauperculus var. crawfordii, Senecio pauperculus
var. firmifolius, Senecio pauperculus var. neoscoticus, Senecio pauperculus
var. praelongus, Senecio pauperculus var. thompsoniensis, Senecio tweedyi
- Balsam groundsel, Northern ragwort, dwarf ragwort, balsam squaw-weed
- Packera
pseudaurea - falsegold groundsel
- Packera
streptanthifolia syn Packera cymbalarioides, Packera oodes, Packera
streptanthifolia var. rubricaulis, Packera streptanthifolia var. streptanthifolia,
Senecio acutidens, Senecio adamsii, Senecio aureus var. borealis, Senecio
cymbalarioides, Senecio cymbalarioides var. borealis, Senecio cymbalarioides
var. suksdorfii, Senecio fulgens, Senecio jonesii, Senecio laetiflorus,
Senecio leonardii, Senecio longipetiolatus, Senecio oodes, Senecio pammelii,
Senecio platylobus, Senecio rubricaulis, Senecio streptanthifolius,
Senecio streptanthifolius var. borealis, Senecio streptanthifolius var.
kluanei, Senecio streptanthifolius var. laetiflorus, Senecio streptanthifolius
var. oodes, Senecio streptanthifolius var. rubricaulis, Senecio streptanthifolius
var. wallowensis, Senecio subcuneatus, Senecio suksdorfii, Senecio wardii
- Rocky Mountain Groundsel, cleftleaf groundsel, Rocky Mountain butterweed
- Paeonia
brownii - Brown's peony, Western Peony
- Panicum
capillare syn Panicum barbipulvinatum, Panicum capillare ssp. barbipulvinatum,
Panicum capillare var. agreste, Panicum capillare var. barbipulvinatum,
Panicum capillare var. brevifolium, Panicum capillare var. occidentale
- Witchgrass, common panic grass
- Panicum
dichotomiflorum - fall panicgrass, western witchgrass
- Parietaria
pensylvanica syn Parietaria obtusa, Parietaria occidentalis, Parietaria
pensylvanica var. obtusa - Pennsylvania pellitory
- Parnassia
fimbriata - Fringed grass of Parnassus, Fringed Parnassia
- Parnassia
kotzebuei syn Parnassia kotzebuei var. pumila - Kotzebue's grass
of Parnassus
- Parnassia
palustris - Marsh grass of Parnassus
-
Parnassia palustris var. tenuis syn Parnassia multiseta, Parnassia
palustris ssp. neogaea, Parnassia palustris var. neogaea - Marsh
grass of Parnassus, northern grass-of-parnassus
- Pascopyrum
smithii - Western wheatgrass
- Paspalum
distichum syn Digitaria paspaloides, Paspalum distichum var. indutum,
Paspalum paspaloides - Knotgrass, jointed crowngrass
- Paxistima
myrsinites syn Pachistima myrsinites - Mountain lover, Myrtle
boxwood, Oregon boxleaf, Oregon boxwood
-
Pectocarya penicillata syn Cynoglossum penicillatum, Pectocarya
linearis var. penicillata - sleeping combseed, winged pectocarya,
shortleaf combseed
- Pedicularis
bracteosa - Bracted lousewort
- Pedicularis
contorta - Coiled lousewort, white-coiled beak lousewort
- Pedicularis
groenlandica syn Elephantella groenlandica, Pedicularis groenlandica
ssp. surrecta, Pedicularis groenlandica var. surrecta - Elephanthead
lousewort, elephant's head, bull elephant's-head
- Pedicularis
ornithorhyncha syn Pedicularis pedicellata, Pedicularis subnuda
- ducksbill lousewort, bird's beak lousewort
- Pedicularis
racemosa - Sickletop lousewort
-
Pedicularis rainierensis - Mount Rainier Lousewort
- Pediocactus
simpsonii - Simpson hedgehog cactus, Simpson's pediocactus
-
Pellaea brachyptera - Sierra cliffbrake
-
Pellaea breweri - Brewer's cliffbrake
- Pellaea
glabella - Smooth cliffbrake, simple cliffbrake
- Peltigera
membranacea - Dog Lichen, Membraneous felt lichen
- Penstemon
acuminatus - sharp-leaved penstemon, sand dune penstemon
-
Penstemon barrettiae - Barrett's penstemon, Barrett's beardtongue
- Penstemon
confertus - Yellow penstemon, lesser yellow beardtongue
- Penstemon
davidsonii - Alpine penstemon, Blue color mat, Davidson's penstemon,
Timberline beardtongue, Davidson's beardtongue
- Penstemon
deustus - Hot-rock beardtongue, Hot-rock penstemon, Scabland penstemon
- Penstemon
diphyllus syn Penstemon triphyllus ssp. diphyllus - Twoleaf beardtongue
- Penstemon
ellipticus syn Penstemon davidsonii var. ellipticus - Rocky ledge
penstemon, rockvine beardtongue
- Penstemon
eriantherus - Fuzzytongue penstemon
- Penstemon
euglaucus - glaucous penstemon, glaucous beardtongue
- Penstemon
fruticosus - Bush penstemon, Shrubby beardtongue, Shrubby penstemon
- Penstemon
gairdneri - Gairdner's Penstemon, Gairdner's beardtongue
- Penstemon
glandulosus - stickystem penstemon, sticky-stem penstemon
- Penstemon
humilis - lowly penstemon, Low beardtongue
- Penstemon
ovatus - Eggleaf beardtongue
- Penstemon
palmeri - Palmer's penstemon
- Penstemon
pennellianus - Blue Mountain beardtongue
- Penstemon
procerus - small-flowered penstemon, Littleflower penstemon
- Penstemon
pruinosus - Chelan penstemon, chelan beardtongue, Chilean beardtongue
- Penstemon
richardsonii - Cutleaf Beardtongue, Richardson's Penstemon
- Penstemon
rupicola - rock penstemon, Cliff beardtongue
- Penstemon
rydbergii - Rydberg's penstemon
- Penstemon
serrulatus - Cascade beardtongue, Cascade penstemon, Coast penstemon,
Serrulate penstemon
- Penstemon
speciosus syn Penstemon speciosus ssp. kennedyi - Royal beardtongue,
Royal penstemon, Sagebrush penstemon, showy penstemon
- Penstemon
triphyllus - Riggin's penstemon, whorled beardtongue
- Penstemon
venustus - Venus penstemon, elegant beardtongue, Blue Mountain penstemon
-
Penstemon washingtonensis
Washington Penstemon, Washington beardtongue
-
Penstemon wilcoxii - Wilcox's penstemon, Wilcox's beardtongue
- Pentagramma
triangularis - gold-back fern, gold fern
-
Pentagramma triangularis ssp. triangularis syn Pityrogramma triangularis
- goldback fern
- Perideridia
gairdneri - Gardner's yampah, Yampah, Gairdner's yampah
-
Petasites frigidus - Arctic sweet coltsfoot, Palmate Coltsfoot
-
Phacelia bolanderi - Bolander's phacelia, Flowered grape leaf
- Phacelia
hastata - Silverleaf phacelia, Whiteleaf Phacelia
- Phacelia
heterophylla - varileaf phacelia
- Phacelia
humilis - Low Phacelia
-
Phacelia lenta - sticky phacelia, sticky scorpion-weed
- Phacelia
leptosepala syn Phacelia hastata var. leptosepala - narrow-sepal
phacelia, narrow-sepal scorpion-weed
- Phacelia
linearis - Threadleaf phacelia, thread-leaf scorpion-weed, thread-leaf
scorpion-weed
- Phacelia
nemoralis - shade phacelia, woodland phacelia
- Phacelia
procera - Tall Phacelia, tall scorpion-weed
- Phacelia
ramosissima - Branching phacelia
- Phacelia
sericea - Purplefringe Silky phacelia, Silky phacelia
- Phegopteris
connectilis syn Dryopteris phegopteris, Lastrea phegopteris, Phegopteris
polypodioides, Thelypteris phegopteris - Long beechfern, northern
or narrow beech fern
- Philadelphus
lewisii syn Philadelphus gordonianus, Philadelphus lewisii ssp.
gordonianus, Philadelphus lewisii var. angustifolius, Philadelphus lewisii
var. ellipticus Hu
Philadelphus lewisii var. gordonianus, Philadelphus lewisii var. helleri,
Philadelphus lewisii var. intermedius, Philadelphus lewisii var. oblongifolius,
Philadelphus lewisii var. parvifolius, Philadelphus lewisii var. platyphyllus
- Lewis' mock orange, Mock Orange
- Phleum
alpinum syn Phleum alpinum var. commutatum, Phleum commutatum, Phleum
commutatum var. americanum - Alpine timothy, Mountain timothy
- Phlox
caespitosa syn Phlox caespitosa ssp. eucaespitosa, Phlox douglasii,
Phlox douglasii ssp. eudouglasii - tufted phlox, clumped phlox
- Phlox
diffusa - Spreading Phlox
- Phlox
gracilis - slender phlox
- Phlox
hendersonii syn Phlox douglasii ssp. hendersonii - Henderson's
phlox
- Phlox
hoodii - Spiny phlox
- Phlox
longifolia - Longleaf phlox
- Phlox
mollis syn Phlox kelseyi var. ciliata - Soft phlox
- Phlox
pulvinata syn Phlox caespitosa ssp. platyphylla, Phlox caespitosa
ssp. pulvinata, Phlox sibirica ssp. pulvinata - cushion phlox
- Phlox
speciosa - Showy phlox
- Phoenicaulis
cheiranthoides syn Phoenicaulis cheiranthoides ssp. glabra, Phoenicaulis
cheiranthoides ssp. lanuginosa, Phoenicaulis cheiranthoides var. glabra,
Phoenicaulis cheiranthoides var. lanuginosa - Daggerpod, Wallflower
phoenicaulis
-
Phragmites australis syn Phragmites australis var. berlandieri,
Phragmites communis, Phragmites communis ssp. berlandieri, Phragmites
communis var. berlandieri, Phragmites phragmites - Common reed, Phragmites
- Phyllodoce
empetriformis - pink mountain-heath
- Phyllodoce
glanduliflora syn Phyllodoce aleutica ssp. glanduliflora - yellow
mountain-heath
- Phyllodoce
×intermedia - hybrid mountainb heath
-
Phyllospadix scouleri - Surf-grass
- Physalis
longifolia - long-leaved ground-cherry
-
Physaria alpestris - Washington twinpod, Alpine Twinpod
-
Physocarpus capitatus syn Physocarpus opulifolius var. tomentellus
- Pacific ninebark
- Physocarpus
malvaceus - Mallow ninebark, Mallow-leaf ninebark
- Picea
engelmannii syn Picea glauca ssp. engelmannii, Picea glauca var.
engelmannii - Engelmann spruce
-
Picea sitchensis - Sitka spruce
Picris hieracioides - Hawkweed oxtongue -
Pilularia americana - American pillwort
- Pinguicula
macroceras - California butterwort, common butterwort
- Pinus
albicaulis - Whitebark pine
-
Pinus contorta - Beach pine, Lodgepole pine, shore pine
-
Pinus monticola syn Pinus strobus var. monticola - Western white
pine, mountain white pine
- Pinus
ponderosa - Ponderosa pine, western yellow pine, blackjack or bull pine
- Piperia
elegans - elegant rein orchid, elegant piperia, hillside rein orchid
-
Piperia elegans ssp. elegans syn Habenaria elegans, Habenaria elegans
var. maritima, Habenaria greenei, Habenaria maritima, Habenaria unalascensis
var. maritima, Piperia maritima, Piperia multiflora, Platanthera unalascensis
ssp. maritima, Platanthera unalascensis var. maritima- Elegant rein-orchid,
elegant piperia
- Piperia
unalascensis syn Habenaria unalascensis, Platanthera unalascensis,
Spiranthes unalascensis - Alaska Rein Orchid, Slender-spire orchid
- Piptatherum
exiguum syn Oryzopsis exigua - little ricegrass, little mountain
ricegrass
-
Pityopus californica syn Hypopitys monotropa, Monotropa hypopitys
- false beechdrops, Pinesap, California pinefoot, pine-foot
- Plagiobothrys
figuratus - fragrant popcorn flower
- Plagiobothrys
nothofulvus - Rusty popcornflower
- Plagiobothrys
scouleri - Scouler's popcorn flower
- Plagiobothrys
tenellus syn Plagiobothrys asper - Pacific popcorn flower, slender
popcorn flower
- Plantago
aristata syn Plantago aristata var. nuttallii, Plantago patagonica
var. aristata - Buckthorn, Largebracted plantain
- Plantago
elongata - Prairie plantain, slender plantain
-
Plantago macrocarpa - Seashore plantain, Alaska plantain
-
Plantago maritima - Goose tongue
-
Plantago patagonica syn Plantago patagonica var. breviscapa, Plantago
patagonica var. gnaphalioides, Plantago patagonica var. oblonga, Plantago
patagonica var. spinulosa, Plantago picta, Plantago purshii, Plantago
purshii var. breviscapa, Plantago purshii var. oblonga, Plantago purshii
var. picta, Plantago purshii var. spinulosa, Plantago spinulosa, Plantago
wyomingensis - Candleweed, woolly plantain
-
Platanthera chorisiana syn Habenaria chorisiana - Choriso's orchid,
Choriso bog orchid
- Platanthera
dilatata - Scentbottle, White Rein Orchid, tall white bog orchid, leafy
white orchis, bog-candle
- Platanthera
huronensis -
northern green bog orchid
- Platanthera
hyperborea syn Platanthera hyperborea var. hyperborea - Northern
green orchid
- Plantanthera
dilatata var. leucostachys syn Habenaria dilatata var. leucostachys,
Habenaria leucostachys, Limnorchis graminifolia, Platanthera leucostachys
- Sierra Bog Orchid
-
Platanthera obtusata - Bluntleaved orchid, small northern bog-orchid
-
Platanthera orbiculata syn Habenaria orbiculata, Habenaria orbiculata
var. lehorsii, Habenaria orbiculata var. menziesii, Lysias orbiculata
- Lesser roundleave orchid, Roundleaf Rein Orchid, large round-leaf
orchid
-
Platanthera sparsiflora - Sparse-flowered bog orchid, canyon bog-orchid
- Platanthera
stricta syn Habenaria saccata, Habenaria stricta, Limnorchis saccata,
Limnorchis stricta, Platanthera dilatata var. gracilis, Platanthera
saccata - Slender bog orchid
-
Plectritis congesta - Shortspur seablush, sea blush, rosy plectritis
- Plectritis
macrocera - Longhorn Plectritis, white plectritis
-
Pleuricospora fimbriolata syn Pleuricospora longipetala - fringed
pinesap
- Pleuropogon
refractus syn Lophochlaena refracta - nodding semaphoregrass,
nodding false semaphoregrass
- Poa
alpina syn Poa alpina ssp. vivipara, Poa alpina var. vivipara, Poa
vivipara - Alpine bluegrass
-
Poa compressa - Canadian bluegrass, flat-stem bluegrass
- Poa
cusickii - Cusick's bluegrass
-
Poa howellii syn Poa bolanderi ssp. howellii, Poa bolanderi Vasey
var. howellii - Howell's bluegrass
-
Poa macrantha syn Poa douglasii ssp. macrantha, Poa douglasii var.
macrantha - Seashore bluegrass
- Poa
secunda syn Poa ampla, Poa brachyglossa, Poa buckleyana, Poa canbyi,
Poa confusa, Poa englishii, Poa gracillima, Poa gracillima var. gracillima,
Poa gracillima var. multnomae, Poa incurva, Poa juncifolia, Poa juncifolia
ssp. porteri, Poa juncifolia var. ampla, Poa laevigata, Poa nevadensis,
Poa nevadensis var. juncifolia, Poa orcuttiana, Poa sandbergii, Poa
scabrella, Poa secunda ssp. juncifolia, Poa secunda var. elongata, Poa
secunda var. incurva, Poa secunda var. stenophylla, Poa stenantha var.
sandbergii - Canby blue grass, Curly blue grass, Pine blue grass,
Sandberg bluegrass
- Polanisia
dodecandra - Clammyweed, Redwhisker clammyweed
- Polemonium
californicum syn Polemonium columbianum, Polemonium pulcherrimum
ssp. tricolor, Polemonium pulcherrimum var. calycinum - moving polemonium,
low Jacob's-ladder
-
Polemonium carneum syn Polemonium carneum ssp. luteum - Royal
Jacob's-ladder, great polemonium, royal Jacob's-ladder, salmon polemonium
- Polemonium
elegans - elegant polemonium, Elegant Jacob's Ladder
- Polemonium
micranthum syn Polemoniella micrantha - annual polemonium, annual
Jacob's-ladder
- Polemonium
occidentale - Western polemonium
-
Polemonium pectinatum - Washington polemonium, Washington Jacob's-ladder
- Polemonium
pulcherrimum - showy polemonium, Jacob's-ladder, Skunk leaf, Western
Sky Pilot
-
Polemonium viscosum syn Polemonium viscosum ssp. genuinum, Polemonium
viscosum ssp. lemmonii - Sky pilot, Sticky polemonium
-
Polygonum amphibium - Water knotweed, Water Smartweed
- Polygonum
bistortoides syn Bistorta bistortoides, Persicaria bistortoides,
Polygonum bistortoides var. linearifolium, Polygonum bistortoides var.
oblongifolium, Polygonum cephalophorum, Polygonum glastifolium, Polygonum
vulcanicum - American bistort, Western Bistort
- Polygonum
buxiforme syn Polygonum aviculare var. littorale, Polygonum littorale
- Box knotweed
- Polygonum
davisiae syn Aconogonum davisiae, Aconogonum davisiae var. glabrum,
Aconogonum newberryi, Polygonum newberryi, Polygonum newberryi var.
glabrum, Polygonum newberryi var. newberryi - Davis' knotweed
- Polygonum
douglasii - Douglas' knotweed, Austin's knotweed
-
Polygonum douglasii
ssp. spergulariiforme syn Polygonum spergulariaeforme, Polygonum
spergulariiforme - Spurry Knotweed, scatter knotweed, spurge knotweed,
Fall Knotweed
- Polygonum
erectum syn Polygonum aviculare var. erectum - devil's shoestring,
erect knotweed, wireweed
-
Polygonum fowleri syn Polygonum buxifolium - Fowler's knotweed
- Polygonum
hydropiperoides syn Persicaria hydropiperoides, Persicaria hydropiperoides
var. breviciliata, Persicaria hydropiperoides var. euronotora, Persicaria
hydropiperoides var. opelousana, Persicaria opelousana, Persicaria paludicola,
Persicaria persicarioides, Polygonum hydropiperoides var. adenocalyx,
Polygonum hydropiperoides Michx. var. asperifolium, Polygonum hydropiperoides
var. breviciliatum Fern.
Polygonum hydropiperoides var. bushianum, Polygonum hydropiperoides
var. digitatum, Polygonum hydropiperoides var. euronotorum, Polygonum
hydropiperoides var. hydropiperoides, Polygonum hydropiperoides var.
opelousanum, Polygonum hydropiperoides var. psilostachyum, Polygonum
hydropiperoides var. strigosum, Polygonum opelousanum, Polygonum opelousanum
var. adenocalyx, Polygonum persicarioides - Swamp smartweed, water
pepper
-
Polygonum paronychia - Beach knotweed
- Polygonum
minimum - broadleaf knotweed, zigzag knotweed, leafy dwarf knotweed
- Polygonum
paronychia - beach knotweed, black knotweed
- Polygonum
polygaloides - milkwort knotweed, close-flowered knotweed
- Polygonum
punctatum - Dotted smartweed
- Polygonum
ramosissimum - Bushy knotweed
- Polygonum
viviparum syn Bistorta vivipara, Polygonum fugax, Polygonum macounii,
Polygonum viviparum var. alpinum, Polygonum viviparum var. macounii
- Alpine bistort, serpent-grass
- Polypodium
amorphum syn Polypodium montense - irregular polypody
-
Polypodium glycyrrhiza syn Polypodium ssp. occidentale, Polypodium
var. commune, Polypodium var. occidentale - Licorice fern
-
Polypodium hesperium syn Polypodium ssp. columbianum, Polypodium
var. columbianum, Polypodium var. hesperium - Polypody, western polypody
- Polypodium
scouleri - Leathery polypody, Rock polypody, Scouler's polypody
- Polystichum
andersonii syn Polystichum braunii ssp. andersonii - Anderson's
holly-fern, Anderson's sword fern, Vancouver holly fern
-
Polystichum californicum - California sword-fern
- Polystichum
imbricans - Dwarf western sword fern, Narrow-leaf sword fern, imbricate
sword fern
- Polystichum
kruckebergii - Kruckeberg's holly-fern, Kruckeberg's sword fern
-
Polystichum lemmonii syn Polystichum mohrioides - Lemmon's hollyfern,
Shasta holly fern
-
Polystichum lonchitis syn Polystichum mohrioides var. lemmonii
- Northern hollyfern, mountain holly fern
-
Polystichum munitum syn
Polystichum munitum var. incisoserratum, Polystichum munitum var. munitum
-
Pineland sword fern, Western sword fern
- Populus
balsamifera - Balsam poplar
-
Populus balsamifera ssp. trichocarpa syn Populus balsamifera var.
californica, Populus hastata, Populus trichocarpa, Populus trichocarpa
ssp. hastata, Populus trichocarpa var. cupulata, Populus trichocarpa
var. hastata, Populus trichocarpa var. ingrata - Black cottonwood,
balsam poplar
- Populus
tremuloides syn Populus aurea, Populus cercidiphylla, Populus ×polygonifolia,
Populus tremula ssp. tremuloides, Populus tremuloides var. aurea, Populus
tremuloides var. cercidiphylla, Populus tremuloides var. intermedia,
Populus tremuloides var. magnifica, Populus tremuloides var. rhomboidea,
Populus tremuloides var. vancouveriana, Populus vancouveriana - Quaking
aspen
- Potamogeton
alpinus syn Potamogeton alpinus ssp. tenuifolius, Potamogeton alpinus
var. subellipticus, Potamogeton alpinus var. tenuifolius - Alpine
pondweed, thin-leaved alpine pondweed, northern pondweed
- Potamogeton
amplifolius - Largeleaf pondweed, broad-leaved pondweed
- Potamogeton
epihydrus syn Potamogeton epihydrus ssp. nuttallii, Potamogeton
epihydrus var. nuttallii, Potamogeton epihydrus var. ramosus - Ribbonleaf
pondweed, Nuttall pondweed
-
Potamogeton foliosus syn Potamogeton foliosus var. foliosus -
Leafy pondweed
- Potamogeton
friesii - Fries' pondweed
-
Potamogeton gramineus syn Potamogeton gramineus var. graminifolius,
Potamogeton gramineus var. maximus, Potamogeton gramineus var. myriophyllus,
Potamogeton gramineus var. typicus - Variableleaf pondweed, grassy
pondweed
- Potamogeton
illinoensis syn Potamogeton angustifolius, Potamogeton heterophyllus,
Potamogeton lucens - Illinois pondweed
- Potamogeton
natans - Floating pondweed, floating-leaved pondweed
- Potamogeton
nodosus syn Potamogeton americanus, Potamogeton fluitans - Knotty
Pondweed, Longleaf pondweed
-
Potamogeton obtusifolius - Bluntleaf pondweed
- Potamogeton
praelongus syn Potamogeton praelongus var. angustifolius - Whitestem
pondweed
- Potamogeton
pusillus - Small pondweed
- Potamogeton
richardsonii - Richardson's pondweed
- Potamogeton
robbinsii - Robbins' pondweed, clasping-leaved pondweed, fern pondweed
-
Potamogeton zosteriformis syn Potamogeton compressus, Potamogeton
zosterifolius ssp. zosteriformis - Flatstem pondweed, eel-grass pondweed
- Potentilla
arguta - Prairie cinquefoil, Tall cinquefoil, White cinquefoil
- Potentilla
diversifolia - Varileaf cinquefoil, different-leaved cinquefoil
- Potentilla
drummondii - Drummond's cinquefoil
- Potentilla
flabellifolia - Fanleaf Cinquefoil, high mountain cinquefoil, fan-foil
- Potentilla
glandulosa - Sticky cinquefoil
- Potentilla
gracilis - Slender cinquefoil
-
Potentilla nivea - Snow cinquefoil, Snowy cinquefoil, Villous cinquefoil
- Potentilla
norvegica - Norwegian cinquefoil
- Potentilla
paradoxa syn Potentilla nicolletii, Potentilla supina ssp. paradoxa
- Paradox cinquefoil, bushy cinquefoil, sand cinquefoil
- Potentilla
pensylvanica - Pennsylvania cinquefoil, prairie cinquefoil
- Potentilla
villosa syn Potentilla nivea var. villosa, Potentilla villosa var.
parviflora, Potentilla villosula - Hairy cinquefoil, Northern cinquefoil,
Villous cinquefoil
- Proboscidea
louisianica - Proboscis flower, Ram's horn, Unicorn plant
- Prosartes
hookeri syn Disporum hookeri - Hooker's fairy bells
- Prosartes
smithii syn Disporum smithii, Prosartes menziesii, Uvularia smithii
- Large-flower fairybells, Smith's fairy bells
- Prosartes
trachycarpa syn Disporum trachycarpum, Disporum trachycarpum var.
subglabrum - Roughfruit fairybells, Wartberry Fairybells
-
Prunella vulgaris syn Prunella caroliniana, Prunella vulgaris var.
vulgaris - Common selfheal, common heal-all, selfheal, heal-all
-
Prunus emarginata syn Cerasus emarginata - Bitter cherry
- Prunus
subcordata - Klamath plum
- Prunus
virginiana - Chokecherry, Common chokecherry
- Pseudognaphalium
canescens - Wright's cudweed, slender cudweed
- Pseudognaphalium
macounii syn Gnaphalium decurrens, Gnaphalium macounii, Pseudognaphalium
viscosum - Macoun's cudweed, winged cudweed
- Pseudognaphalium
stramineum syn Gnaphalium chilense, Gnaphalium chilense var. confertifolium,
Gnaphalium stramineum - Cottonbatting cudweed, cottonbatting plant
- Pseudoroegneria
spicata - Bluebunch wheatgrass
- Pseudostellaria
jamesiana syn Alsine glutinosa, Alsine jamesiana, Alsine jamesii,
Arenaria jamesiana, Stellaria jamesiana - Tuber Starwort, sticky
starwort
-
Pseudotsuga menziesii syn Pseadotsuga menziesii - Blue Douglas
fir, Douglas-fir
- Psilocarphus
elatior - Meadow woollyheads
- Psilocarphus
oregonus - Oregon woollyheads
- Psoralidium
lanceolatum syn Psoralea lanceolata, Psoralea lanceolata ssp. scabra,
Psoralea lanceolata var. purshii, Psoralea lanceolata var. stenophylla,
Psoralea lanceolata var. stenostachys, Psoralea scabra, Psoralea stenostachys,
Psoralidium lanceolatum var. stenophyllum, Psoralidium lanceolatum var.
stenostachys, Psoralidium stenophyllum - Lemon scurfpea, lance-leaf
scurf pea, wild lemonweed
-
Pteridium aquilinum - Bracken fern, Western brackenfern, northern bracken
-
Pterospora andromedea - Pinedrops, Woodland pinedrops, giant pinedrops
- Pteryxia
terebinthina - Turpentine Wavewing
- Puccinellia
distans - Weeping alkaligrass
-
Puccinellia nutkaensis syn Phippsia nutkaensis, Puccinellia grandis
- Nootka alkaligrass, Alaska alkaligrass
-
Puccinellia nuttalliana syn Puccinellia airoides, Puccinellia cusickii
- Nuttall's alkaligrass
- Pulsatilla
occidentalis syn Anemone occidentalis - Western anemone, Western pasqueflower,
White pasqueflower
-
Pulsatilla patens syn Anemone nuttalliana - American Pasqueflower,
Eastern pasqueflower
- Purshia
tridentata - Antelope bitterbrush, Antelope brush, Bitterbrush
-
Pyrola asarifolia - Liverleaf wintergreen, Pink pyrola, Pink shinleaf,
Pink wintergreen, bog wintergreen
- Pyrola
chlorantha syn Pyrola chlorantha var. convoluta, Pyrola chlorantha
var. paucifolia, Pyrola chlorantha var. revoluta, Pyrola convoluta,
Pyrola oxypetala, Pyrola virens, Pyrola virens var. convoluta, Pyrola
virens var. saximontana - Greenflowered wintergreen, greenish-flowered
wintergreen, greenish-flowered pyrola
- Pyrola
minor syn Braxilia minor, Erxlebenia minor, Pyrola minor var. parviflora
- Snowline wintergreen, lesser wintergreen, mountain pyrola, lesser
pyrola
- Pyrola
picta syn Pyrola aphylla, Pyrola aphylla var. leptosepala, Pyrola
aphylla var. paucifolia, Pyrola blanda, Pyrola conardiana, Pyrola dentata,
Pyrola dentata var. apophylla, Pyrola dentata var. integra, Pyrola pallida,
Pyrola paradoxa, Pyrola picta ssp. dentata, Pyrola picta ssp. integra,
Pyrola picta ssp. pallida, Pyrola picta var. dentata, Pyrola septentrionalis,
Pyrola sparsifolia - Whiteveined wintergreen
- Pyrrocoma
carthamoides - largeflower goldenweed, Columbia goldenweed, rayless
goldenweed
-
Pyrrocoma liatriformis syn Haplopappus integrifolius ssp. liatriformis,
Haplopappus integrifolius ssp. scaberulus, Haplopappus liatriformis,
Haplopappus racemosus ssp. liatriformis - smallhead goldenweed, Palouse
goldenweed
- Quercus
garryana - Oregon white oak
-
Rainiera stricta syn Luina stricta - false silverback, rainiera,
tongue leaved luina
- Ranunculus
abortivus syn Ranunculus abortivus ssp. acrolasius, Ranunculus abortivus
var. acrolasius, Ranunculus abortivus var. eucyclus, Ranunculus abortivus
var. indivisus, Ranunculus abortivus var. typicus - Early wood buttercup,
Kidney-leaf buttercup, Littleleaf buttercup, smallflower buttercup,
smallflower crowfoot
- Ranunculus
alismifolius syn Ranunculus alismaefolius - Meadow buttercup,
Plantainleaf buttercup, Water-plantain buttercup, dwarf plantain-leaved
buttercup
- Ranunculus
aquatilis syn Batrachium aquatile, Ranunculus aquatilis var. hispidulus,
Ranunculus aquatilis var. typicus, Ranunculus trichophyllus var. hispidulus
- Water buttercup, White water-crowfoot
-
Ranunculus californicus syn Ranunculus californicus var. austromontanus,
Ranunculus californicus var. cuneatus, Ranunculus californicus var.
gratus, Ranunculus californicus var. rugulosus, Ranunculus californicus
var. typicus, Ranunculus rugulosus - California buttercup
- Ranunculus
cymbalaria syn Cyrtorhyncha cymbalaria ssp. alpina, Halerpestes
cymbalaria, Halerpestes cymbalaria ssp. saximontana, Ranunculus cymbalaria
ssp. saximontanus, Ranunculus cymbalaria var. alpinus, Ranunculus cymbalaria
var. saximontanus, Ranunculus cymbalaria var. typicus - Alkali buttercup
- Ranunculus
eschscholtzii - Eschscholtz's buttercup, Subalpine Buttercup
- Ranunculus
flabellaris syn Ranunculus delphiniifolius - Yellow water buttercup,
yellow water-crowfoot
- Ranunculus
flammula - Greater creeping spearwort
- Ranunculus
glaberrimus - Sagebrush buttercup
- Ranunculus
gmelinii syn Ranunculus gmelinii ssp. purshii,Ranunculus gmelinii
var. hookeri, Ranunculus gmelinii var. limosus, Ranunculus gmelinii
var. prolificus, Ranunculus gmelinii var. purshii, Ranunculus gmelinii
var. terrestris, Ranunculus gmelinii var. typicus, Ranunculus hyperboreus
var. tuquetilianus, Ranunculus limosus, Ranunculus purshii - Gmelin's
buttercup, small yellow water crowfoot
- Ranunculus
longirostris syn Batrachium circinatum, Batrachium circinatum ssp.
subrigidum, Batrachium longirostre, Ranunculus amphibius, Ranunculus
aquatilis var. diffusus, Ranunculus aquatilis var. longirostris, Ranunculus
aquatilis var. subrigidus, Ranunculus circinatus, Ranunculus circinatus
var. subrigidus, Ranunculus subrigidus, Ranunculus usneoides - Longbeak
buttercup, eastern white water-crowfoot
-
Ranunculus occidentalis - Western buttercup
- Ranunculus
occidentalis var. occidentalis - Western buttercup
- Ranunculus
orthorhynchus syn Ranunculus orthothynchus - Straightbeak buttercup
- Ranunculus
pensylvanicus - Pennsylvania buttercup, bristly buttercup, bristly crowfoot
-
Ranunculus populago - mountain buttercup, Popular buttercup
- Ranunculus
recurvatus - Blisterwort
- Ranunculus
sceleratus - Cursed buttercup, celery-leaved buttercup
- Ranunculus
suksdorfii syn Ranunculus eschscholtzii var. suksdorfii - Suksdorf's
buttercup
- Ranunculus
trichophyllus - Threadleaf crowfoot, white water-crowfoot
-
Ranunculus triternatus syn Ranunculus glaberrimus var. reconditus,
Ranunculus reconditus - Dalles Mt. Buttercup, Obscure Buttercup
-
Ranunculus uncinatus - Little buttercup, Woodland buttercup
- Rhamnus
alnifolia - Alderleaf buckthorn
- Rhinanthus
minor - Little yellowrattle
- Rhodiola
integrifolia - ledge stonecrop, king's crown, roseroot
- Rhododendron
albiflorum - Cascade azalea, White Rhododendron
-
Rhododendron macrophyllum syn Rhododendron californicum - California
rhododendron, California rose-bay, Pacific rhododendron
- Rhodiola
integrifolia - Ledge stonecrop
- Rhus
glabra syn Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana,
Rhus glabra var. laciniata, Rhus glabra var. occidentalis - Smooth
sumac
- Rhynchospora
alba syn Rhynchospora luquillensis - White beaksedge, white beakrush
- Ribes
aureum - Golden currant
-
Ribes bracteosum - Stink currant, California black currant
- Ribes
cereum - Wax currant, Western red currant, White squaw currant
-
Ribes divaricatum - Spreading gooseberry, coast black gooseberry
- Ribes
hudsonianum - Northern black currant, Hudson Bay currant
-
Ribes lacustre syn Limnobotrya lacustris, Ribes lacustre var. parvulum,
Ribes oxycanthoides var. lacustre - Prickly currant, bristly black
gooseberry, swamp gooseberry, swamp currant
- Ribes
laxiflorum syn Ribes coloradense - Trailing black currant
- Ribes
lobbii syn Grossularia lobbii - gummy gooseberry, Oregon gooseberry,
lobb's gooseberry
- Ribes
montigenum syn Limnobotrya montigena, Ribes lacustre var. molle,
Ribes lentum, Ribes nubigenum - mountain gooseberry, western prickly
gooseberry, alpine prickly currant
- Ribes
oxyacanthoides - Canadian gooseberry
-
Ribes oxyacanthoides ssp. irriguum syn Grossularia irrigua, Grossularia
nonscripta, Ribes divaricatum var. irriguum, Ribes irriguum, Ribes leucoderme,
Ribes nonscripta, Ribes oxyacanthoides var. irriguum, Ribes oxyacanthoides
var. leucoderme - Idaho gooseberry
-
Ribes sanguineum
syn Ribes glutinosum, Ribes sanguineum var. glutinosum,
Ribes sanguineum f. atrorubens -
Blood currant, Pink-flowered currant, Red flowering currant, Redflower
currant
- Ribes
triste syn Ribes rubrum var. alaskanum, Ribes rubrum var. propinquum,
Ribes triste var. albinervium - Red currant, swamp American red currant
- Ribes
viscosissimum syn Ribes viscosissimum var. hallii, Ribes viscosissimum
var. viscosissimum - Sticky currant
- Ribes
watsonianum syn Grossularia watsoniana - spring gooseberry, wastson
gooseberry
- Rigiopappus
leptocladus - wireweed, bristlehead, false
- Romanzoffia
sitchensis - Sitka mistmaiden
-
Romanzoffia tracyi - Tracy's mistmaiden
-
Rorippa columbiae syn Nasturtium sinuatum var. columbiae, Rorippa
calycina var. columbiae - Columbian yellowcress, Columbia cress
- Rorippa
curvisiliqua - curvepod yellowcress, western yellowcress
-
Rorippa palustris syn Rorippa islandica - Bog yellowcress, marsh
or hispid yellowcress
-
Rosa gymnocarpa - Dwarf rose, wood rose
-
Rosa nutkana syn Rosa muriculata, Rosa fraxinifolia - Nootka
rose, bristly rose
- Rosa
pisocarpa syn Rosa pisocarpa var. rivalis, Rosa rivalis - Cluster
rose
- Rosa
woodsii - Woods' rose, Western wild rose, pearhip rose
-
Rotala ramosior - Lowland rotala, toothcup, owland toothcup
- Rubus
arcticus - Arctic blackberry, nagoonberry
-
Rubus idaeus - American red raspberry, Wild Red Raspberry
- Rubus
lasiococcus - Dwarf Bramble, Roughfruit berry
-
Rubus leucodermis - Whitebark raspberry, blackcap
-
Rubus nigerrimus - dark raspberry, northwest raspberry
- Rubus
nivalis - snow raspberry, snow dwarf bramble
-
Rubus parviflorus syn Rubus nutkanus - Thimbleberry, Western
thimble-berry
- Rubus
pedatus - Strawberryleaf raspberry, strawberry bramble
- Rubus
pubescens - Dwarf red blackberry
-
Rubus spectabilis - Salmon raspberry, Salmonberry
-
Rubus ursinus - California blackberry, California dewberry, Western
blackberry, dewberry
- Rudbeckia
laciniata - Cutleaf coneflower, Green-head coneflower
- Rudbeckia
laciniata var. laciniata - Cutleaf coneflower
-
Rudbeckia occidentalis syn Rudbeckia occidentalis var. occidentalis
- Western coneflower, western chocolate cone
- Rumex
aquaticus - Western dock
-
Rumex aquaticus var. fenestratus syn Rumex aquaticus ssp. fenestratus,
Rumex aquaticus ssp. occidentalis, Rumex fenestratus, Rumex occidentalis,
Rumex occidentalis var. fenestratus, Rumex occidentalis var. labradoricus,
Rumex occidentalis var. procerus, Rumex subalpinus - Western dock
- Rumex
maritimus syn Rumex fueginus, Rumex maritimus ssp. fueginus, Rumex
maritimus var. athrix, Rumex maritimus var. fueginus, Rumex maritimus
var. persicarioides, Rumex persicarioides - Golden dock
-
Rumex salicifolius - Willow dock, narrow-leaved dock
- Rumex
venosus - Veiny dock, Winged Dock
- Rupertia
physodes syn Psoralea physodes - forest scurfpea, California-tea
-
Ruppia maritima syn Ruppia maritima var. brevirostris, Ruppia maritima
var. exigua, Ruppia maritima var. intermedia, Ruppia maritima var. longipes,
Ruppia maritima var. obliqua, Ruppia maritima var. pacifica, Ruppia
maritima var. rostrata, Ruppia maritima var. subcapitata, Ruppia pectinata
- Widgeongrass, beaked ditch-grass
|
= Poisonous to animal and/or human
= Crop weed in Washington
= Federal Noxious weed in Washington
= Native to
Washington