Lewis And Clark National Historical Park

Rank: 172

Park Description

Explore the timeless rainforests and majestic coastal vistas. Discover the rich heritage of the Native people. Unfold the dramatic stories of America's most famous explorers. The Park encompasses sites along the Columbia River and the Pacific Coast. Follow the explorer's footsteps and have an adventure in history.

Park Address

92343 Fort Clatsop Road

Astoria, OR, 97103


Species in Lewis And Clark National Historical Park by Category

Here you can look up all the species found in Lewis And Clark National Historical Park. Start by picking a category. From there you can see how many species have either the common name beggining with each letter or scientific name. It's a good place to start if you're looking for what kind of species are invasive to the park, or perhaps how common or rare a species is for that area.



 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
American Beaver, Beaver, Canadian Beaver Castor canadensis Present Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
bobcat Lynx rufus Present Native Unknown
Bonaparte Weasel, Bonaparte's Weasel, Ermine, Short-tailed Weasel Mustela erminea Present Native Unknown
Black Bear Ursus americanus Present Native Unknown
Black Rat Rattus rattus Present Non-native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
coyote Canis latrans Present Native Unknown
Cougar, mountain lion, Puma Puma concolor Present Native Unknown
common otter, North American River Otter, northern river otter, river otter Lontra canadensis Present Native Unknown
Common Seal, Hair Seal, Harbor Seal Phoca vitulina Present Native Unknown
California Myotis Myotis californicus Present Native Unknown
Creeping Vole, Vole Microtus oregoni Present Native Unknown
Common Muskrat, Muskrat, Musquash, Water Rat Ondatra zibethicus Present Native Unknown
California Ground Squirrel Spermophilus beecheyi Present Native Unknown
Chipmunk, Townsend's Chipmunk Tamias townsendii Present Native Unknown
Chickaree, Douglas Squirrel, Douglas' Squirrel Tamiasciurus douglasii Present Native Unknown
Coast Mole, Pacific mole, red-footed mole Scapanus orarius Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Dusky shrew, Montane shrew Sorex monticolus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
fringed myotis Myotis thysanodes Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
hoary bat Lasiurus cinereus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
long-tailed weasel Mustela frenata Present Native Unknown
long-eared myotis Myotis evotis Present Native Unknown
Long-legged Myotis Myotis volans Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
mink Mustela vison Present Native Unknown
Mountain Beaver Aplodontia rufa Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Nutria Myocastor coypus Present Non-native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Pacific Jumping Mouse Zapus trinotatus Present Native Unknown
prairie deer mouse Peromyscus maniculatus Present Native Unknown
Pacific Marsh Shrew Sorex bendirii Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
red fox Vulpes vulpes Unconfirmed Native - -
raccoon Procyon lotor Present Native Unknown
red-toothed shrews Sorex - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Snowshoe Hare, Varying Hare Lepus americanus Present Native Unknown
Shrew, Trowbridge's Shrew Sorex trowbridgii Present Native Unknown
Shrew-mole Neurotrichus gibbsii Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Townsend's Big-eared Bat Plecotus townsendii townsendii Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Virginia opossum Didelphis virginiana Present Non-native Unknown
Vole Microtus townsendii Present Native Unknown
vagrant shrew Sorex vagrans Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Western Spotted Skunk Spilogale gracilis Present Native Unknown
Western Red-backed Vole Clethrionomys californicus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Yuma Myotis Myotis yumanensis Present Native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
American Pintail, Northern Pintail, Pintail Anas acuta Present Native Common
American Wigeon, Baldpate Anas americana Present Native Common
American Brant, Brant Branta bernicla Present Native Uncommon
American Golden-eye, Common Goldeneye Bucephala clangula Present Native Uncommon
American Merganser, Common Merganser Mergus merganser Present Native Common
Anna's Hummingbird Calypte anna Present Native Uncommon
Atlantic Murre, Common Murre Uria aalge Present Native - -
American Herring Gull, Herring Gull Larus argentatus Present Native Common
Atlantic Kittiwake, Black-legged Kittiwake Rissa tridactyla Present Native Uncommon
American Knot, Knot, Red Knot Calidris canutus Present Native Uncommon
American Peregrine Falcon, Duck Hawk, Peregrine Falcon Falco peregrinus Present Native Uncommon
american kestrel Falco sparverius Present Native Common
American Coot, Northern American Coot Fulica americana Present Native Common
american crow Corvus brachyrhynchos Present Native Common
american goldfinch Carduelis tristis Present Native Common
American Pipit, American Water Pipit, Water Pipit Anthus rubescens Present Native Common
american robin Turdus migratorius Present Native Common
American Egret, Common Egret?, Great Egret Ardea alba Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Black-shouldered Kite, Black-winged Kite Elanus caeruleus Unconfirmed Native - -
Bald Eagle, Northern Bald Eagle Haliaeetus leucocephalus Present Native Common
Blue-winged Teal Anas discors Unconfirmed Native - -
Bufflehead, Buffle-head Bucephala albeola Present Native Common
Barrow's Goldeneye Bucephala islandica Unconfirmed Native - -
Blue Goose, Snow Goose Chen caerulescens Unconfirmed Native - -
Bonaparte's Gull Larus philadelphia Present Native Abundant
Black turnstone Arenaria melanocephala Present Native Unknown
Band-tailed Pigeon Columba fasciata - - - - - -
Band-tailed Pigeon Patagioenas fasciata Present Native Uncommon
Belted Kingfisher, Eastern Belted Kingfisher Ceryle alcyon Present Native Common
Bushtit Psaltriparus minimus Present Native Uncommon
Black-headed Grosbeak Pheucticus melanocephalus Present Native Common
Brown Creeper Certhia americana Present Native Uncommon
barn swallow Hirundo rustica Present Native Common
Brewer's Blackbird Euphagus cyanocephalus Present Native Common
brown-headed cowbird Molothrus ater Present Native Common
Black-capped Chickadee Parus atricapillus - - Native - -
Black-capped Chickadee Poecile atricapillus Present Native Common
Black-throated Gray Warbler Dendroica nigrescens Present Native Common
blackpoll warbler Dendroica striata Present Native Rare
Bewick's Wren, Eastern Bewick's Wren Thryomanes bewickii Present Native Uncommon
Black Phoebe Sayornis nigricans Present Native Rare
Blue-headed Vireo Vireo solitarius Unconfirmed Native - -
Brown Pelican Pelecanus occidentalis Present Native Common
barred owl Strix varia Present Non-native Unknown
Barn Owl, North American Barn Owl Tyto alba Present Native Uncommon
Brandt's Cormorant Phalacrocorax penicillatus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
cooper's hawk Accipiter cooperii Present Native Uncommon
California Condor Gymnogyps californianus Not In Park Native - -
Common Mallard, Mallard Anas platyrhynchos Present Native Common
Common White-fronted Goose, Greater White-fronted Goose Anser albifrons Present Native Unknown
Canvasback Aythya valisineria Unconfirmed Native - -
Canada Goose, Eastern Canada Goose Branta canadensis Present Native Common
cackling goose Branta hutchinsii Present Native Common
Caspian tern Hydroprogne caspia Present Native Common
California Gull Larus californicus Present Native Common
Caspian Tern Sterna caspia - - - - - -
Common Tern, Northern Common Tern Sterna hirundo Unconfirmed Native - -
Common Snipe, Wilson's Common Snipe, Wilson's Snipe Gallinago gallinago - - - - - -
Canada Ruffed Grouse, Partridge, Ruffed Grouse, Timber Grouse Bonasa umbellus Present Native Uncommon
Common Loon, Greater Common Loon Gavia immer Present Native Common
cedar waxwing Bombycilla cedrorum Present Native Common
Common Raven, Northern Raven, Raven Corvus corax Present Native Common
Canada Gray Jay, Canada Jay, Gray Jay Perisoreus canadensis Unconfirmed Native - -
Cliff Swallow, Eastern Cliff Swallow, Eave Swallow, Northern Cliff Swallow Petrochelidon pyrrhonota Present Native Uncommon
Chestnut-backed Chickadee Parus rufescens - - Native - -
Chestnut-backed chickadee Poecile rufescens Present Native Common
common yellowthroat Geothlypis trichas Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Dunlin, Red-backed Dunlin, Red-backed Sandpiper Calidris alpina Present Native Abundant
dark-eyed junco Junco hyemalis Present Native Common
downy woodpecker Picoides pubescens Present Native Common
Double-crested Cormorant, Northern Double-crested Cormorant Phalacrocorax auritus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Eastern Harlequin Duck, Harlequin Duck Histrionicus histrionicus Present Native Unknown
Eastern White-winged Scoter, White-winged Coot, White-winged Scoter Melanitta fusca Present Native Unknown
Eastern Glaucous Gull, Glaucous Gull Larus hyperboreus Present Native Uncommon
Eastern Dowitcher, Short-billed Dowitcher Limnodromus griseus Present Native Common
Eastern Pigeon Hawk, Merlin, Pigeon Hawk Falco columbarius Present Native Uncommon
Eastern Savannah Sparrow, Savannah Sparrow Passerculus sandwichensis Present Native Common
european starling Sturnus vulgaris Present Non-native Common
Eastern Green Heron, Green heron, Green-backed Heron Butorides virescens Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Fox Sparrow Passerella iliaca Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Green-winged Teal Anas crecca Present Native Common
Greater Scaup, Greater Scaup Duck Aythya marila Present Native Common
Glaucous Gull X Herring Gull (hybrid), Herring Gull X Lesser Black-backed Gull (hybrid) Larus Present Native Unknown
Glaucous-winged gull Larus glaucescens Present Native Abundant
Greater Yellowlegs, Greater Yellow-legs Tringa melanoleuca Present Native Uncommon
Golden-crowned Sparrow Zonotrichia atricapilla Present Native Common
golden-crowned kinglet Regulus satrapa Present Native Common
Great Blue Heron, Northern Great Blue Heron Ardea herodias Present Native Common
great horned owl Bubo virginianus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Hooded Merganser Lophodytes cucullatus Present Native Uncommon
Heermann's Gull Larus heermanni Present Native Common
Hudsonian Curlew, Hudsonian Whimbrel, Whimbrel Numenius phaeopus Present Native Common
house finch Carpodacus mexicanus Present Native Common
Hermit Warbler Dendroica occidentalis Present Native Unknown
house sparrow Passer domesticus Present Non-native Common
house wren Troglodytes aedon Unconfirmed Native - -
hermit thrush Catharus guttatus Present Native Common
Hutton's Vireo Vireo huttoni Present Native Uncommon
hairy woodpecker Picoides villosus Present Native Common
Horned Grebe Podiceps auritus Present Native Common
Holboell's Grebe, Holboell's Red-necked Grebe, Red-necked Grebe Podiceps grisegena Present Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Killdeer, Northern Killdeer Charadrius vociferus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Lesser Scaup, Lesser Scaup Duck Aythya affinis Present Native Uncommon
Least Sandpiper Calidris minutilla Present Native Common
Long-billed Dowitcher Limnodromus scolopaceus Unconfirmed Native - -
Lincoln's Sparrow, Northern Lincoln's Sparrow Melospiza lincolnii Present Native Uncommon
Long-billed Marsh Wren, Marsh Wren, Prairie Marsh Wren Cistothorus palustris Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Marbled murrelet Brachyramphus marmoratus Present Native - -
Mew gull Larus canus Present Native Common
mourning dove Zenaida macroura Present Native Uncommon
MacGillivray's Warbler Oporornis tolmiei Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
northern harrier Circus cyaneus Present Native Common
Northern shoveler, Shoveller Anas clypeata Present Native Uncommon
Northern Phalarope, Red-necked Phalarope Phalaropus lobatus Present Native Common
Northern Virginia Rail, Virginia Rail Rallus limicola Present Native Uncommon
northern flicker Colaptes auratus Present Native Common
Northern Saw-whet Owl Aegolius acadicus Present Native Unknown
Northern Pygmy-Owl Glaucidium gnoma Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
osprey Pandion haliaetus Present Native Unknown
orange-crowned warbler Vermivora celata Present Native Common
Olive-sided Flycatcher Contopus borealis - - Native - -
Olive-sided Flycatcher Contopus cooperi Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Pigeon guillemot Cepphus columba Present Native Unknown
Prairie Falcon Falco mexicanus Present Native Occasional
Pheasant, Ring-necked Pheasant Phasianus colchicus Present Non-native Uncommon
Pacific Loon Gavia pacifica Present Native Uncommon
Pine siskin Carduelis pinus Present Native Common
purple finch Carpodacus purpureus Present Native Common
purple martin Progne subis Present Native Uncommon
Pileated Woodpecker Dryocopus pileatus Present Native Uncommon
Pied-billed Grebe Podilymbus podiceps Present Native Uncommon
Pelagic cormorant Phalacrocorax pelagicus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
red-tailed hawk Buteo jamaicensis Present Native Common
red-shouldered hawk Buteo lineatus Present Native Rare
Ring-necked Duck Aythya collaris Present Native Common
Red-breasted Merganser Mergus serrator Present Native Common
Rufous Hummingbird Selasphorus rufus Present Native Uncommon
Ringed Plover, Semipalmated Plover, Semipalmated Ringed Plover Charadrius semipalmatus Present Native Uncommon
Ring-billed Gull Larus delawarensis Present Native Common
Red-throated Loon Gavia stellata Present Native Abundant
Red Crossbill Loxia curvirostra Present Native Common
red-winged blackbird Agelaius phoeniceus Present Native Common
ruby-crowned kinglet Regulus calendula Present Native Common
red-breasted nuthatch Sitta canadensis Present Native Common
Red-breasted Sapsucker Sphyrapicus ruber Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
sharp-shinned hawk Accipiter striatus Present Native Uncommon
Surf Scoter Melanitta perspicillata Present Native Uncommon
Spotted Sandpiper Actitis macularia - - - - - -
Spotted Sandpiper Actitis macularius Present Native Unknown
Surfbird Aphriza virgata Present Native Common
Sanderling Calidris alba Present Native Common
Sandhill Crane Grus canadensis Unconfirmed Native - -
Steller's Jay Cyanocitta stelleri Present Native Common
swamp sparrow Melospiza georgiana Present Native Uncommon
song sparrow Melospiza melodia Present Native Common
Spotted Towhee Pipilo maculatus Present Native Common
swainson's thrush Catharus ustulatus Present Native Common
Sooty Shearwater Puffinus griseus Present Native Abundant
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
turkey vulture Cathartes aura Present Native Common
Tundra Swan, Whistling Swan Cygnus columbianus Unconfirmed Native - -
Tree Swallow Tachycineta bicolor Present Native Common
Townsend's Warbler Dendroica townsendi Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Violet-green Swallow Tachycineta thalassina Present Native Common
Varied Thrush Ixoreus naevius Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
white-tailed kite Elanus leucurus Present Native Uncommon
Wood Duck Aix sponsa Present Native Common
Western Gull Larus occidentalis Present Native Common
Western Sandpiper Calidris mauri Present Native Abundant
Wilson's Snipe Gallinago delicata Present Native Uncommon
Wandering tattler Tringa incana Present Native Unknown
white-crowned sparrow Zonotrichia leucophrys Present Native Common
Warbler Dendroica Present Native Unknown
wilson's warbler Wilsonia pusilla Present Native Common
Wrentit Chamaea fasciata Present Native Common
Western Tanager Piranga ludoviciana Present Native Common
winter wren Troglodytes troglodytes Present Native Common
western wood-pewee Contopus sordidulus Present Native Uncommon
Western Flycatcher Empidonax difficilis Unconfirmed Native - -
Willow flycatcher Empidonax traillii brewsteri Present Native Uncommon
warbling vireo Vireo gilvus Present Native Uncommon
Western Grebe Aechmophorus occidentalis Present Native Common
Western Screech-Owl Megascops kennicottii Present Native Common
Western Screech-Owl Otus kennicottii - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
yellow-rumped warbler Dendroica coronata Present Native Common
yellow warbler Dendroica petechia Present Native Common

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Northern Alligator Lizard Elgaria coerulea Present Native Unknown
Northwestern Garter Snake Thamnophis ordinoides Present Native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
American Bullfrog Lithobates catesbeianus Present Non-native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
boreal (western) toad Bufo boreas Unconfirmed Native - -
bullfrog Rana catesbeiana - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Ensatina Ensatina eschscholtzii Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Northern Pacific Treefrog, Pacific Chorus Frog, Pacific Treefrog Pseudacris regilla Present Native Unknown
Northwestern Salamander Ambystoma gracile Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Pacific Giant Salamander Dicamptodon tenebrosus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Rough-skinned Newt Taricha granulosa Present Native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
American shad, Atlantic shad, common shad, white shad Alosa sapidissima Probably Present Non-native - -
American river lamprey Lampetra ayresii Unconfirmed Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Banded Killifish, Top Minnow Fundulus diaphanus Present Non-native Unknown
Brook Stickleback, Threespine Stickleback, Three-spined Stickleback Gasterosteus aculeatus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
common carp Cyprinus carpio Unconfirmed Non-native - -
Common Sunfish, Pumpkinseed, Pumpkinseed Sunfish Lepomis gibbosus Present Non-native Unknown
cutthroat trout Oncorhynchus clarkii Present Native Unknown
Chum salmon Oncorhynchus keta Present Native Unknown
Coho salmon Oncorhynchus kisutch Present Native Unknown
Chinook salmon, King salmon Oncorhynchus tshawytscha Present Native Unknown
Coastrange sculpin Cottus aleuticus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
eulachon Thaleichthys pacificus Present Native Unknown
English sole Parophrys vetulus Unconfirmed Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
freshwater sculpins, Miller's thumbs Cottus - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Kamloops Trout, Rainbow Trout, Steelhead Trout, Steel-head Trout Oncorhynchus mykiss Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
largescale sucker Catostomus macrocheilus Present Native Unknown
Longfin smelt Spirinchus thaleichthys Unconfirmed Native - -
Largemouth Bass Micropterus salmoides Present Non-native Unknown
- - Lampetra - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
northern anchovy Engraulis mordax Unconfirmed Native - -
northern squawfish Ptychocheilus oregonensis Unconfirmed Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Pacific herring Clupea pallasii Unconfirmed Native - -
peamouth Mylocheilus caurinus Present Native Unknown
Pacific tomcod Microgadus proximus Unconfirmed Native - -
Pacific lamprey Lampetra tridentata Unconfirmed Native - -
Prickly sculpin Cottus asper Present Native Unknown
Pacific staghorn sculpin Leptocottus armatus Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
surf smelt Hypomesus pretiosus Unconfirmed Native - -
shiner surfperch Cymatogaster aggregata Present Native Unknown
starry flounder Platichthys stellatus Unconfirmed Native - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
White sturgeon Acipenser transmontanus Probably Present Native - -
Western brook lamprey Lampetra richardsoni Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Yellow Perch Perca flavescens Present Non-native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
American waterplantain, European water plantain Alisma plantago-aquatica Present Native Uncommon
awl-leaf lilaea, flowering quillwort Lilaea scilloides Present Native Rare
arrow-grass, seaside arrowgrass Triglochin maritima - - - - - -
Australasian fireweed Erechtites glomerata Present Non-native Uncommon
Australian fireweed, coastal burnweed Erechtites minima Present Non-native Uncommon
arrowleaf groundsel, arrowleaf ragwort Senecio triangularis Present Native Uncommon
American yellowrocket, erectpod wintercress, wintercress Barbarea orthoceras Present Native Uncommon
Alaska blueberry, oval-leaf blueberry Vaccinium ovalifolium Unconfirmed Native - -
American bird's-foot trefoil, American bird's-foot-trefoil, prairie trefoil, Spanish clover Lotus unifoliolatus var. unifoliolatus Probably Present Non-native - -
Alsike, Alsatian Clover Trifolium hybridum Present Non-native Uncommon
American vetch, purple vetch Vicia americana ssp. americana Present Native Occasional
alfilaria Erodium cicutarium Present Non-native Uncommon
autumn waterstarwort, autumn water-starwort, northern waterstarwort, northern water-starwort, scarlet waterstarwort Callitriche hermaphroditica Present Native Rare
American speedwell, brooklime Veronica americana Present Native Uncommon
Autumn willow-herb Epilobium brachycarpum Unconfirmed Native - -
American Willow-herb Epilobium ciliatum ssp. glandulosum Present Native Occasional
American waterlily, American white waterlily, white waterlily Nymphaea odorata Present Non-native Uncommon
Asiatic sand sedge Carex kobomugi Present Non-native Rare
Awl Sedge Carex stipata Present Native Uncommon
American Great Bulrush Schoenoplectus tabernaemontani Present Native Common
American dunegrass Leymus mollis ssp. mollis Present Native Abundant
annual bluegrass Poa annua Present Non-native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Brazilian water-weed Egeria densa Present Non-native Uncommon
broad waterweed, Canada waterweed, Canadian waterweed Elodea canadensis Present Native Common
blueeyed grass, blue-eyed grass Sisyrinchium - - - - - -
Beggar Ticks, Stick-tight Bidens frondosa Present Non-native Uncommon
bull thistle Cirsium vulgare Present Non-native Common
brass buttons Cotula coronopifolia Present Non-native Rare
bachelor's button Leucacantha cyanus Present Non-native Rare
blowball, common dandelion, dandelion, faceclock Taraxacum officinale Present Non-native Uncommon
bird's rape, common mustard, field mustard, rape Brassica rapa var. rapa Unconfirmed Non-native - -
boxwood Buxus Present Non-native Unknown
big chickweed Cerastium fontanum ssp. vulgare Present Non-native Common
Birdseye Sagina procumbens Present Non-native Rare
Blinks Montia fontana Present Native Uncommon
beach knotweed Polygonum paronychia Present Native Uncommon
bristle dock, golden dock Rumex maritimus Present Native Rare
bitter doc Rumex obtusifolius Present Non-native Common
Black twin-berry Lonicera involucrata Present Native Common
Bearberry Arctostaphylos uva-ursi Present Native Common
big leaf rhododendron Rhododendron macrophyllum Present Non-native Uncommon
beach pea Lathyrus japonicus Present Native Abundant
Birdsfoot Trefoil Lotus corniculatus Present Non-native Common
broad-leaved lupine Lupinus latifolius var. latifolius Present Native Rare
Black Medick Medicago lupulina Present Non-native Common
black locust Robinia pseudoacacia Present Non-native Uncommon
bedstraw Galium trifidum Present Native Uncommon
Bristly Clubmoss Lycopodium clavatum Present Native Rare
Bog St. John's Wort, Bog St. John's-Wort, tinker's penny, Tinlcer's Penny Hypericum anagalloides Present Native Rare
black cottonwood Populus balsamifera ssp. trichocarpa Present Native Uncommon
beach pine, coast pine, lodgepole pine, shore pine Pinus contorta var. contorta Present Native Uncommon
black pine Pinus nigra Present Non-native Uncommon
bog rush Juncus effusus var. pacificus Present Native Common
bentgrass Agrostis - - - - - -
Beachgrass Ammophila breviligulata Present Non-native Abundant
barren brome Bromus sterilis Present Non-native Uncommon
bristly dogstail grass Cynosurus echinatus Present Non-native Uncommon
Barnyard Grass Echinochloa crus-galli Present Non-native Uncommon
Bulbous bluegrass Poa bulbosa Present Non-native Uncommon
broadfruit burreed, broadfruit bur-reed, broad-fruit burr-reed, giant burreed Sparganium eurycarpum Present Native Uncommon
broadleaf cattail Typha latifolia Present Native Common
bracken fern Pteridium aquilinum Present Native Common
Bleeding Heart, Pacific bleedingheart Dicentra formosa Present Native Rare
blister buttercup Ranunculus sceleratus Present Native Rare
bride's feathers Aruncus dioicus var. vulgaris Present Native Occasional
black hawthorn, river hawthorn Crataegus douglasii Present Native Rare
beach strawberry Fragaria chiloensis Present Native Rare
big leaf maple Acer macrophyllum Present Native Rare
Bristly Black Currant Ribes lacustre Present Native Uncommon
Brazilian watermilfoil, parrot feather, parrot feather watermilfoil, parrot's-feather Myriophyllum aquaticum Present Non-native Common
bigflower tellima Tellima grandiflora Present Native Rare
beach morningglory, seashore false bindweed Calystegia soldanella Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Common Arrrowhead Sagittaria latifolia Present Native Uncommon
common duckweed, least duckweed, lesser duckweed Lemna minor Present Native Uncommon
Common Naiad Najas flexilis Present Native Uncommon
curly pondweed Potamogeton crispus Present Non-native Uncommon
Cow Parsnip Heracleum maximum Present Native Common
common yarrow Achillea millefolium Present Native Common
coastal mugwort Artemisia suksdorfii Present Native Occasional
chaparral broom, coyote brush Baccharis pilularis Present Native Rare
Canada Thistle Cirsium arvense Present Non-native Uncommon
Canadian horseweed Conyza canadensis Present Native Common
Crepis Crepis capillaris Present Non-native Common
cudweed, lowland cudweed, marsh everlasting, western marsh cudweed Gnaphalium palustre Present Native Uncommon
cat's-ear Hypochaeris radicata Present Non-native Common
Common Groundsel Senecio vulgaris Present Non-native Uncommon
Canada Goldenrod Solidago canadensis Present Native Rare
Common Sow Thistle Sonchus oleraceus Present Non-native Common
Cardinal Flower Lobelia cardinalis Not In Park Unknown - -
changing forget-me-not, yellowandblue forget-me-not Myosotis discolor Present Non-native Uncommon
Curved Yellowcress Rorippa curvisiliqua Present Native Rare
campion, catchfly Silene gallica Present Non-native Uncommon
Corn Spurry Spergula arvensis Present Non-native Uncommon
crisp starwort, crispleaved chickweed, curled starwort Stellaria crispa Present Native Uncommon
Chickweed Stellaria humifusa Present Native Occasional
common chickweed Stellaria media Present Non-native Common
candyflower, Siberian montia, western springbeauty Claytonia sibirica var. sibirica Present Native Common
colored smartweed, devil's shoestring, longroot smartweed, swamp smartweed, tanweed Polygonum amphibium var. emersum Present Native Uncommon
common sheep sorrel Rumex acetosella Present Non-native Common
clustered dock Rumex conglomeratus Present Non-native Occasional
Curly dock Rumex crispus Present Non-native Uncommon
common hornwort, coon's tail, coon's-tail, coontail, hornwort Ceratophyllum demersum Present Native Common
COMMON SNOWBERRY Symphoricarpos albus var. laevigatus Present Native Common
common teasel Dipsacus fullonum ssp. sylvestris Present Non-native Common
California huckleberry Vaccinium ovatum Present Native Common
coastal bush lupine Lupinus arboreus Present Non-native Rare
common gorse, furze, gorse, whin Ulex europaeus Not In Park Non-native - -
California wax myrtle Morella californica Present Native Uncommon
common periwinkle Vinca minor Present Non-native Common
cutleaf geranium Geranium dissectum Present Non-native Uncommon
common monkeyflower, seep monkeyflower Mimulus guttatus Present Native Uncommon
cut-leaved plantain Plantago coronopus Present Non-native Common
Common Plantain Plantago major Present Non-native Common
corn speedwell Veronica arvensis Present Non-native Uncommon
California figwort Scrophularia californica ssp. californica Present Native Occasional
Common St. Johnswort Hypericum perforatum Present Non-native Rare
coast willow, Hooker willow Salix hookeriana Present Native Common
common loosestrife Lythrum hyssopifolia Present Non-native Uncommon
Carolina fanwort, fanwort Cabomba caroliniana Present Non-native Common
cluster pine, maritime pine Pinus pinaster Present Non-native Uncommon
Creeping Spike-rush Eleocharis palustris Present Native Common
chairmaker's bulrush Schoenoplectus americanus Present Native Uncommon
common rush Juncus effusus - - - - - -
common woodrush Luzula congesta Present Native Uncommon
California wild oat grass Danthonia californica Present Native Uncommon
Common Darnel, Perennial Ryegrass Lolium perenne - - - - - -
Canada bluegrass Poa compressa Present Non-native Occasional
coast polypody, leather-leaf fern Polypodium scouleri Present Native Common
California poppy Eschscholzia californica Present Native Uncommon
Creeping Buttercup Ranunculus repens Present Non-native Common
Cascara buckthorn, Pursh's buckthorn Frangula purshiana Present Native Uncommon
chokecherry, plum Prunus - - - - - -
cherry laurel Prunus laurocerasus Probably Present Non-native - -
California blackberry Rubus ursinus Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
duckmeat Spirodela polyrhiza Present Native Occasional
Douglas' waterhemlock, water hemlock, western water hemlock Cicuta douglasii Present Native Uncommon
daffodil Narcissus Present Non-native Uncommon
Douglas aster Symphyotrichum subspicatum var. subspicatum Present Native Common
Deptford pink Dianthus armeria Present Non-native Occasional
dwarf pearlwort Sagina apetala Present Non-native Uncommon
Doorweed, Common Knotgrass Polygonum aviculare Present Non-native Occasional
Dove's-foot Cranesbill Geranium molle Present Non-native Uncommon
Douglas spruce, Douglas-fir, Oregon pine, red fir Pseudotsuga menziesii Present Native Uncommon
Dewey's Sedge Carex deweyana Present Native Uncommon
Dwarf Spike-rush Eleocharis parvula Present Native Uncommon
Davy mannagrass Glyceria leptostachya Present Native Uncommon
deer fern Blechnum spicant Present Native Common
Douglas' spirea, Douglas's Spirea Spiraea douglasii Present Native Uncommon
Deadly Nightshade Solanum dulcamara Present Non-native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
English ivy Hedera helix Present Non-native Uncommon
English holly Ilex aquifolium Present Non-native Common
English bluebell Hyacinthoides nonscripta Present Non-native Uncommon
European red elder, red elderberry, scarlet elderberry Sambucus racemosa Present Native Common
English broom Cytisus scoparius Present Non-native Uncommon
Eyebane, Upright Spotted Spurge Chamaesyce maculata Present Non-native Common
European beachgrass Ammophila arenaria Present Non-native Abundant
evergreen blackberry Rubus laciniatus Present Non-native Common
European Mountain Ash Sorbus aucuparia Present Non-native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Flatstem Pondweed Potamogeton zosteriformis Present Native Uncommon
floating marshpennywort Hydrocotyle ranunculoides Present Native Unknown
false lily of the valley, false lily of the vally Maianthemum dilatatum Present Native Abundant
False Solomon's Seal Maianthemum racemosum Present Native Occasional
field burrweed, field soliva Soliva sessilis Present Non-native Common
Field Mustard, Rape Brassica rapa Present Non-native Uncommon
Field Chickweed Cerastium arvense Unconfirmed Native - -
Fuzzy Duetzia Deutzia scabra Present Non-native Rare
field horsetail Equisetum arvense Present Native Common
field clover Trifolium campestre Unconfirmed Non-native - -
fragrant bedstraw Galium triflorum Present Native Uncommon
Foxglove Digitalis purpurea Present Non-native Common
Figwort Scrophularia californica Present Native Uncommon
fireweed Chamerion angustifolium Present Native Uncommon
fireweed, French-willow, great willowherb, rosebay willowherb Chamerion angustifolium ssp. angustifolium Not In Park Non-native - -
field rush Juncus tenuis Present Native Uncommon
field woodrush Luzula campestris Present Native Uncommon
Fly-away Grass Agrostis scabra Present Native Uncommon
five-finger maidenhair Adiantum aleuticum Present Native Common
fig buttercup Ranunculus ficaria Present Non-native Rare
Franchet cotoneaster Cotoneaster franchetii Present Non-native Rare
Flowering Currant Ribes sanguineum Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
golden-eyed grass Sisyrinchium californicum Present Native Rare
green-leaved rattlesnake plantain Goodyera oblongifolia Present Native Uncommon
ginger-pine, Lawson cedar, Oregon cedar, Port Orford cedar, Port Orford white cedar Chamaecyparis lawsoniana Present Non-native Uncommon
giant vetch Vicia nigricans ssp. gigantea Present Native Uncommon
ground ivy Glechoma hederacea Present Non-native Uncommon
golden willow, white willow Salix alba Present Non-native Occasional
GRAND FIR Abies grandis Present Non-native Uncommon
Great Bulrush Schoenoplectus acutus Present Native Common
greater creeping spearwort, spearwort buttercup Ranunculus flammula Present Native Uncommon
Goat's Beard Aruncus dioicus - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Horned Pondweed Zannichellia palustris Present Native Occasional
Hooded Ladies' Tresses Spiranthes romanzoffiana Present Native Uncommon
hairy bittercress Cardamine hirsuta Present Non-native Common
Hedge Mustard Sisymbrium officinale Present Non-native Uncommon
Halberd-leaved Orach Atriplex prostrata Present Native Uncommon
horsetail, scouring horsetail, scouringrush, scouringrush horsetail, tall scouring-rush, western scouringrush Equisetum hyemale Present Native Uncommon
hairy clover Trifolium arvense Present Non-native Occasional
hop clover Trifolium dubium Present Non-native Common
Hairy Vetch Vicia villosa Unconfirmed Non-native - -
Herb Robert Geranium robertianum Present Non-native Rare
Hard-stem club-rush Schoenoplectus acutus var. occidentalis Present Native Uncommon
hairyleaf rush Juncus supiniformis Present Native Uncommon
hair grass Aira praecox Present Non-native Common
hairy crabgrass Digitaria sanguinalis Present Non-native Common
Howell's bluegrass Poa howellii Present Native Uncommon
hooked buttercup, woodland buttercup Ranunculus uncinatus Present Native Uncommon
Himalayan blackberry Rubus discolor Present Non-native Common
hedge false bindweed Calystegia sepium ssp. sepium Present Non-native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
iris Iris pseudacorus Present Non-native Uncommon
Idaho blue-eyed grass Sisyrinchium idahoense var. occidentale Present Native Rare
Indian thistle Cirsium brevistylum Present Native Uncommon
Indian pipe Monotropa uniflora Present Native Rare
Italian ryegrass Lolium perenne ssp. multiflorum Present Non-native Unknown
Indian plum Oemleria cerasiformis Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Japanese pachysandra Pachysandra terminalis Present Non-native Uncommon
Japanese knotweed Polygonum cuspidatum Present Non-native Rare
jewelweed Impatiens capensis Present Non-native Common
Jointed Rush Juncus articulatus Present Native Uncommon
juneberry, Pacific serviceberry, Saskatoon serviceberry, western serviceberry, western shadbush Amelanchier alnifolia Present Native Rare
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
kneeling angelica Angelica genuflexa Present Native Uncommon
knawel Scleranthus annuus Present Non-native Uncommon
Kenilworth ivy Cymbalaria muralis Present Non-native Rare
Kentucky bluegrass Poa pratensis Present Non-native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Large Water Plantain Alisma triviale Present Native Uncommon
leafy pondweed Potamogeton foliosus Present Native Uncommon
lawndaisy Bellis perennis Present Non-native Common
Low Cudweed Gnaphalium uliginosum Present Non-native Uncommon
Lamb's Quarters, Pigweed Chenopodium album Present Non-native Uncommon
longstalk starwort, long-stalk starwort Stellaria longipes Present Native Uncommon
Long-stalk starwort Stellaria longipes var. longipes Present Native Uncommon
lady's-thumb Polygonum persicaria Present Non-native Occasional
Lewiston cornsalad Valerianella locusta Present Non-native Uncommon
longleaf plantain, prairie plantain, slender plantain Plantago elongata Present Native Rare
Leatherleaf Grapefern Botrychium multifidum Present Native Uncommon
Lyngbye's sedge Carex lyngbyei Present Native Common
largehead sedge Carex macrocephala Present Native Uncommon
low bulrush Isolepis cernua Present Native Common
licorice fern Polypodium glycyrrhiza Present Native Common
lady fern Athyrium filix-femina Present Native Common
large-leaved avens Geum macrophyllum Present Native Common
largeleaf avens Geum macrophyllum var. macrophyllum Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Mayweed, Stinking Chamomile Anthemis cotula Present Non-native Occasional
mouse-ear chickweed Cerastium semidecandrum Present Non-native Rare
miner's lettuce, minerslettuce Claytonia perfoliata Present Native Occasional
mock azalea, rusty menziesia, rusty-leaf menziesia Menziesia ferruginea Present Native Uncommon
Marsh Vetchling Lathyrus palustris Present Native Uncommon
Mare's Tail Hippuris vulgaris Present Native Uncommon
Marsh Speedwell Veronica scutellata Present Native Uncommon
millet woodrush, smallflower woodrush, smallflowered woodrush Luzula parviflora Present Native Uncommon
Meadow Foxtail Alopecurus pratensis Present Non-native Common
Mountain brome Bromus carinatus Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Nodding Bur Marigold, Stick-tight Bidens cernua Present Native Common
Nipplewort Lapsana communis Present Non-native Common
northern marsh yellowcress Rorippa islandica Present Native Uncommon
narrowleaf plantain Plantago lanceolata Present Non-native Common
Noble Fir Abies procera Present Non-native Rare
Narrow-leaved Bur Reed Sparganium angustifolium Present Native Common
narrowleaf cattail Typha angustifolia Present Non-native Common
northern maidenhair Adiantum pedatum Present Native Rare
Nootka rose Rosa nutkana Present Native Common
Norway maple Acer platanoides Present Non-native Rare
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
oxeye daisy Leucanthemum vulgare Present Non-native Uncommon
One-flowered Pyrola Moneses uniflora Present Native Rare
owlfruit sedge Carex stipata var. stipata Present Native Uncommon
ovate spikerush Eleocharis ovata Present Native Uncommon
Orchard Grass Dactylis glomerata Present Non-native Common
oneseed hawthorn, singleseed hawthorn Crataegus monogyna Present Non-native Rare
Oregon crab apple, Oregon crabapple Malus fusca Present Native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Pondweed Potamogeton gramineus Present Native Occasional
Pacific hemlockparsley Conioselinum gmelinii Present Native Uncommon
purple sweet cicely, Sweet Cicely Osmorhiza purpurea Present Native Uncommon
pathfinder, Silver Green, silvergreen, trailplant Adenocaulon bicolor Unconfirmed Native - -
Pearly Everlasting Anaphalis margaritacea Present Native Common
Pineapple Weed Matricaria discoidea Present Native Occasional
Pacific yew, Western Yew Taxus brevifolia Not In Park Native - -
perennial sweetpea Lathyrus latifolius Probably Present Non-native - -
purple dead-nettle Lamium purpureum Unconfirmed Non-native - -
Peppermint Mentha X piperita Present Non-native Uncommon
Pacific trillium Trillium ovatum Present Native Uncommon
pioneer violet, Stream Violet, Wood Violet, Yellow Violet Viola glabella Present Native Uncommon
Purple Loosestrife Lythrum salicaria Probably Present Non-native - -
pointed rush Juncus oxymeris Present Native Uncommon
perennial rye grass Lolium perenne ssp. perenne Present Non-native Uncommon
pale false mannagrass Torreyochloa pallida var. pauciflora Present Native Uncommon
Piper's Oregon-grape Mahonia aquifolium Present Non-native Rare
Pacific silverweed Argentina egedii ssp. egedii Present Native Common
paradise apple Malus pumila Present Non-native Uncommon
Plum Prunus domestica Present Non-native Occasional
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Queen Anne's lace Daucus carota Present Non-native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Red-osier Dogwood Cornus sericea Present Native Uncommon
red elderberry Sambucus racemosa var. racemosa Present Native Abundant
red huckleberry Vaccinium parvifolium Present Native Common
riverbank lupine Lupinus rivularis Probably Present Native - -
red clover Trifolium pratense Present Non-native Rare
red alder Alnus rubra Present Native Abundant
Rocky Mountain cowlily, Rocky Mountain pondlily, Rocky Mountain pond-lily, yellow pond-lily Nuphar lutea ssp. polysepala Probably Present Native - -
Rhode Island Bent Agrostis capillaris Present Non-native Common
Redtop Agrostis stolonifera Present Non-native Common
ripgut brome Bromus diandrus Present Non-native Uncommon
red fescue Festuca rubra Present Native Uncommon
Reed Meadow Grass Glyceria grandis Present Native Rare
reed canary grass Phalaris arundinacea Present Non-native Common
rough bluegrass Poa trivialis Present Non-native Unknown
rabbit-foot grass Polypogon monspeliensis Present Non-native Uncommon
rock cotoneaster, rock-spray, rockspray cotoneaster Cotoneaster horizontalis Present Non-native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
skunk cabbage Lysichiton americanus Present Native Common
Seaside Arrowgrass Triglochin maritimum Present Native Common
Seaside Angelica Angelica lucida Present Native Uncommon
smooth cat's ear, smooth catsear Hypochaeris glabra Present Non-native Uncommon
Sweet Coltsfoot Petasites frigidus var. palmatus Present Native Occasional
Stinking Willy Senecio jacobaea Present Non-native Uncommon
Spiny-leaved Sow Thistle Sonchus asper Present Non-native Common
Sea Rocket Cakile edentula Present Native Common
sea rocket Cakile maritima Present Non-native Common
Shepherd's Purse Capsella bursa-pastoris Unconfirmed Non-native - -
spring draba Draba verna Present Native Common
Shepard vress Teesdalia nudicaulis Probably Present Non-native - -
sandcarpet Cardionema ramosissimum Present Native Rare
sticky chickweed Cerastium glomeratum Present Non-native Common
seaside sandplant Honckenya peploides Present Native Uncommon
seaside sandplant Honckenya peploides ssp. major Present Native Uncommon
stickystem pearlwort Sagina maxima ssp. crassicaulis Present Native Uncommon
Sand Spurry Spergularia rubra Probably Present Non-native - -
Siberian springbeauty Claytonia sibirica Present Native Common
sea-thrift Armeria maritima ssp. californica Present Native Uncommon
swamp smartweed Polygonum hydropiperoides Present Native Uncommon
Snowberry Symphoricarpos albus Present Non-native Uncommon
salal, shallal Gaultheria shallon Present Native Abundant
skunkweed Navarretia squarrosa Present Native Uncommon
Swamp Candles Lysimachia terrestris Present Non-native Uncommon
smallflower brookweed Samolus valerandi ssp. parviflorus Present Native Rare
seashore lupine Lupinus littoralis Present Native Common
Subterranean clover Trifolium subterraneum Present Non-native Uncommon
Spring Vetch Vicia sativa ssp. nigra Present Non-native Common
Slender Vetch Vicia tetrasperma Present Non-native Common
stickywilly Galium aparine Present Native Common
Selfheal Prunella vulgaris ssp. lanceolata Present Native Uncommon
SELF-HEAL Prunella vulgaris ssp. vulgaris Present Non-native Uncommon
Scouler's St. John? wort Hypericum scouleri ssp. scouleri Present Native Uncommon
Scouler's willow Salix scouleriana Present Native Uncommon
Sitka willow Salix sitchensis Probably Present Native - -
Sand or Hooked Violet Viola adunca Present Native Rare
small-flowered willow-herb, vernal willow-herb Epilobium minutum Present Native Unknown
SITKA SPRUCE Picea sitchensis Present Native Common
Scotch Pine Pinus sylvestris Present Non-native Uncommon
Sitka sedge Carex aquatilis var. dives Probably Present Native - -
shorter-scaled sedge Carex leptopoda Present Native Uncommon
slough sedge Carex obnupta Present Native Abundant
sand dune sedge Carex pansa Present Native Uncommon
Small-fruited Bulrush Scirpus microcarpus Present Native Common
Sharp-fruited Rush Juncus acuminatus Present Native Common
swordleaf rush, three-stamened rush Juncus ensifolius Present Native Uncommon
salt rush Juncus lesueurii Present Native Common
spike bentgrass Agrostis exarata Present Native Common
seashore bentgrass Agrostis pallens Present Native Uncommon
Sweet Vernal Grass Anthoxanthum odoratum Present Non-native Occasional
soft brome Bromus hordeaceus ssp. hordeaceus Present Non-native Common
slender hairgrass Deschampsia elongata Present Native Uncommon
Sea Lyme Grass, Strand Wheat Leymus mollis Present Native Abundant
seashore bluegrass Poa macrantha Present Native Rare
six-weeks grass Vulpia bromoides Present Non-native Uncommon
spreading woodfern Dryopteris expansa Present Native Uncommon
slender parsley piert Aphanes microcarpa Present Non-native Rare
sweet cherry Prunus avium Present Non-native Uncommon
sour cherry Prunus cerasus Present Non-native Rare
salmonberry Rubus spectabilis Present Native Common
Slender Nettle Urtica dioica ssp. gracilis Present Native Uncommon
stink currant Ribes bracteosum Present Native Common
spreading gooseberry, straggly gooseberry Ribes divaricatum Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Tapegrass Vallisneria americana Present Non-native Common
three-rib arrowgrass Triglochin striata Present Native Uncommon
True Forget-me-not Myosotis laxa Present Native Uncommon
twinberry honeysuckle Lonicera involucrata var. involucrata Present Native Common
touch-me-not Impatiens Present Non-native Common
threepetal bedstraw Galium trifidum ssp. columbianum Present Native Common
tall coastal plantain Plantago subnuda Present Native Uncommon
thymeleaf speedwell Veronica serpyllifolia ssp. serpyllifolia Present Non-native Uncommon
Toad Rush Juncus bufonius Present Non-native Common
Tufted Hairgrass Deschampsia caespitosa Present Native Common
tall fescue Lolium arundinaceum Present Non-native Common
tall trisetum Trisetum canescens Present Native Uncommon
Tall Buttercup Ranunculus acris Present Non-native Rare
thimbleberry, western thimbleberry Rubus parviflorus Present Native Uncommon
trailing black currant Ribes laxiflorum Present Native Uncommon
threeleaf foamflower Tiarella trifoliata Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Vaccinium alaskaense Present Native Uncommon
Vetch Vicia hirsuta Present Non-native Common
velvetgrass Holcus lanatus Present Non-native Common
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
water parsley Oenanthe sarmentosa Present Native Common
Water Parsnip Sium suave Present Native Rare
White-flower hawkweed Hieracium albiflorum Present Native Uncommon
Wall Lettuce Mycelis muralis Present Non-native Uncommon
Wood Ragwort Senecio sylvaticus Present Non-native Uncommon
woody glasswort Salicornia virginica Present Native Uncommon
water-pepper Polygonum hydropiper Present Non-native Uncommon
western dock Rumex aquaticus var. fenestratus Present Native Common
western red cedar, western redcedar Thuja plicata Present Native Common
- - Weigela Present Non-native Rare
white sweetclover Melilotus alba Present Non-native Uncommon
white clover Trifolium repens Present Non-native Common
Water Horehound Lycopus americanus Present Native Uncommon
water mint Mentha aquatica Present Non-native Rare
Wild Mint Mentha arvensis Present Native Uncommon
water-chickweed Callitriche stagnalis Present Non-native Common
whorled plantain Plantago psyllium Present Non-native Rare
White Mandarin, Twisted Stalk Streptopus amplexifolius Present Native Rare
willow Salix - - - - - -
Whiplash willow Salix lucida ssp. lasiandra Present Native Uncommon
willow-herb Epilobium - - - - - -
Water Purslane Ludwigia palustris Present Native Common
western hemlock Tsuga heterophylla Present Native Abundant
water foxtail Alopecurus geniculatus Present Native Common
Witchgrass, Quackgrass Elymus repens Present Non-native Uncommon
Wheat Triticum aestivum Present Non-native Uncommon
western sword fern Polystichum munitum Present Native Abundant
western buttercup Ranunculus occidentalis Unconfirmed Native - -
water milfoil, watermilfoil Myriophyllum - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
yellow sand-verbena Abronia latifolia Present Native Rare
yellow glandweed Parentucellia viscosa Present Non-native Uncommon
youth on age Tolmiea menziesii Present Native Uncommon

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
antifever fontinalis moss Fontinalis antipyretica Present Native Unknown
antitrichia moss Antitrichia curtipendula Present Native Unknown
alpine polytrichastrum moss Polytrichastrum alpinum Present Native Unknown
aulacomnium moss Aulacomnium androgynum Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
brachythecium moss Brachythecium albicans Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Chara Present Unknown Uncommon
Common Broom Moss Dicranum scoparium Present Native Unknown
calliergonella moss Calliergonella cuspidata Present Native Unknown
calypogeja Calypogeja fissa - - - - - -
cephalozia Cephalozia lunulifolia Present Native Unknown
- - Chiloscyphus pallescens Present Native Unknown
- - Conocephalum conicum Present Native - -
common spoonleaf peat moss Sphagnum palustre Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
dicranum moss Dicranum fuscescens Present Native Unknown
ditrichum moss Ditrichum pusillum Present Native Unknown
- - Diplophyllum albicans Present Native Uncommon
DULL SCALE FEATHER WORT Porella cordaeana Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
eurhynchium moss Eurhynchium praelongum Present Native Unknown
elegant pseudotaxiphyllum moss Pseudotaxiphyllum elegans Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Fontinalis howellii - - - - - -
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Girgensohn's sphagnum Sphagnum girgensohnii Present Native Rare
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
hygrohypnum moss Hygrohypnum ochraceum Present Native Uncommon
HANGING BASKET MOSS Rhytidiadelphus loreus Present Native Unknown
hypnum moss Hypnum circinale Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
isothecium moss Isothecium myosuroides Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
juniper polytrichum moss Polytrichum juniperinum Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Lepidozia reptans Present Native Unknown
Lyell's orthotrichum moss Orthotrichum lyellii Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Oregon eurhynchium moss Eurhynchium oreganum Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
pohlia moss Pohlia cruda Present Non-native Unknown
plagiomnium moss Plagiomnium insigne Present Native Unknown
purple horn-tooth moss Ceratodon purpureus Present Native Unknown
- - Pellia neesiana Present Native Unknown
polytrichum moss Polytrichum commune Present Non-native Unknown
polytrichum moss Polytrichum formosum Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
rhizomnium moss Rhizomnium glabrescens Present Native Unknown
rough goose neck moss Rhytidiadelphus triquetrus Present Native Unknown
- - Riccia fluitans Present Native Unknown
- - Riccardia latifrons Present Native Unknown
- - Riccardia multifida Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
splendid feather moss Hylocomium splendens Present Native Unknown
square goose neck moss Rhytidiadelphus squarrosus Present Native Unknown
Selwyn's atrichum moss Atrichum selwynii Present Native Unknown
sphagnum Sphagnum Present Native Uncommon
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
Thread Bryum Bryum capillare Present Native Unknown
twotoothed cephalozia Cephalozia bicuspidata ssp. bicuspidata Present Native Unknown
tetraphis moss Tetraphis pellucida Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
ulota moss Ulota obtusiuscula Present Native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
banded woollybear, black-ended bear Pyrrharctia isabella Present Native Unknown
Butterfly, Gray Hairstreak Strymon melinus Present Native Unknown
Butterfly, Anise Swallowtail Papilio zelicaon Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Hyles lineata Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
mourning cloak Nymphalis antiopa Present Native Unknown
Meadowhawk, Band-winged Sympetrum vicinum Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
orange sulphur Colias eurytheme Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
painted lady, Painted Lady Vanessa cardui Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
red admiral, Red Admiral Vanessa atalanta Present Native Unknown

 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Bryoria glabra Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Cladonia Present Native Unknown
- - Cladonia fimbriata Present Native Unknown
- - Cladonia furcata Present Native Unknown
- - Cladonia squamosa var. subsquamosa Present Native Unknown
- - Cladonia sulphurina Present Native Unknown
- - Cladonia transcendens Present Native Unknown
- - Collema nigrescens Present Native Unknown
 Name(s)  Scientific Name  Occurrence  Nativeness  Abundance
- - Evernia prunastri