12 genera
36 species
14 subspecies and varieties
Show only taxa with photos
Scientific name
Common name
Index to genera:
Calypso,
Cephalanthera,
Corallorhiza,
Cypripedium,
Dactylorhiza,
Epipactis,
Goodyera,
Liparis,
Malaxis,
Neottia,
Platanthera,
Spiranthes
Distribution: Widely distributed throughout Washington; Alaska to Labrador, south to California and New York.
Habitat: Mostly in cool, deep shade of moist forests in soil rich in humus, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: perennial
– calypso, fairy-slipper
– calypso, fairy-slipper
– phantom orchid
Distribution: Occurring on both sides of the Cascades crest and in the Blue Mountains in Washington; British Columbia to California, east to Idaho.
Habitat: Generally deep coniferous woods where somewhat moist.
Origin: Native
Flowers: June-July
Growth Duration: perennial
–
spotted coralroot
Distribution: Widely distributed throughout Washington; British Columbia east to Newfoundland, south to California and North Carolina.
Habitat: Moist to rather dry woods, low to mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: perennial
– spotted coralroot
– western spotted coralroot
– ozette coralroot
– Pacific coralroot, western coralroot
Distribution: Occurring on both sides of the Cascades in Washington; Alaska south to California, east to Montana and Wyoming.
Habitat: Usually in moist coniferous forests, low to mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: perennial
–
striped coralroot
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east across the northern half of North America to the Atlantic coast.
Habitat: Moist humus in shady coniferous and deciduous forests, low to mid-elevations.
Origin: Native
Flowers: April-August
Growth Duration: perennial
– hooded coralroot, striped coralroot
– vreeland's striped coralroot
– early coralroot, northern coralroot
Distribution: Occurring on both sides of the Cascades in Washington; Alaska south to California, east to the Atlantic Coast throughout the northern half of North America.
Habitat: Fairly deep, moist woods, montane to subalpine in the Pacific Northswest.
Origin: Native
Flowers: June-August
Growth Duration: perennial
– Columbia lady's-slipper, hybrid lady's-slipper
Origin: Native
– clustered lady's-slipper
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to Santa Cruz County, California, east to Idaho and Colorado.
Habitat: Moist to rather dry and rocky, open coniferous forests.
Origin: Native
Flowers: April-July
Growth Duration: perennial
– mountain lady's-slipper
Distribution: Chiefly east of the Cascades crest in Washington; Alaska south to California, east to Montana and Wyoming.
Habitat: Dry to moist open woods, low to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: perennial
–
fairy slipper, yellow lady's-slipper slipper
Distribution: Occurring east of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains; throughout most of Canada and the central, southeastern, and northeastern regions of the U.S.
Habitat: Bogs and damp woods.
Origin: Native
Flowers: May-June
Growth Duration: perennial
– frog-orchis, Frog-orchis, long-bracted orchid
Distribution: Known only from Okanogan County in Washington; Alaska south to Washington, east across the southern half of Canada to the Atlantic Coast; south in the Rocky Mountains to New Mexico; east from the upper Midwest to the northeastern U.S., south in the Appalachian Mts.
Habitat: Moist to wet meadows at moderate elevations.
Origin: Native
Flowers: July-August
– giant helleborine
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia to Baja California, east to the Rocky Mountains and in scattered location in the Great Plains.
Habitat: Stream banks, lake margins, around springs and seeps, especially in thermal waters in otherwise desert regions.
Origin: Native
Flowers: April-July
Growth Duration: perennial
– broad-leaved helleborine, garden helleborine
Distribution: Occurring west of the Cascades crest in lowland areas in Washington; British Columbia to California, in scattered locations across North America to the Atlantic Coast, where more common.
Habitat: Moist to dry forest edge and understory, often where disturbed.
Origin: Introduced from Eurasia
Flowers: June-October
Growth Duration: perennial
– giant rattlesnake-plantain, western rattlesnake-plantain
Distribution: Widely distributed throughout the mountainous and forested areas on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Lakes Region, and eastern North America.
Habitat: Dry to moist forests, sea level to middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: perennial
– fen orchid, Loesel's twayblade
Distribution: Occasional, Saskatchewan to Nova Scotia, south to North Dakota and Iowa; Klickitat and Yakima Counties in Washington.
Habitat: Around springs and in bogs.
Origin: Native
Flowers: July - August
Growth Duration: perennial
–
white adder's-mouth, one-leaved malaxis
Origin: Native
– North American white adder's-mouth
– northwestern twayblade
Distribution: Occurring on both sides of the Cascades in Washington; Alaska to California, east to Alberta and Wyoming.
Habitat: Moist forests and wet meadows, lowlands to subalpine elevations
Origin: Native
Flowers: June-August
– northern twayblade
Distribution: Known only from Okanogan County in Washington; Alaska south to Oregon, east to northern Rocky Mountains, east across Canada to the Atlantic Coast.
Habitat: Moist, rich coniferous forest understory.
Origin: Native
Flowers: June-July
– broad-lip twayblade
Distribution: Occurring on both sides of the Cascades crest in the forested and mountainous areas of Washington; Alaska to California, east to the Rocky Mountains, and from the Great Lakes region to northeastern North America.
Habitat: Moist forests and wet meadows, from low elevations to the subalpine.
Origin: Native
Flowers: June-August
– heart-leaf twayblade
Distribution: Occurring on both sides of the Cascades crest in Washington, but chiefly west of the crest; Alaska to California, east to the Rocky Mountains, further east across Canada to the Great Lakes region and northeastern North America.
Habitat: Humus-rich, often damp, forest understory, sometimes along streams, from low to middle elevations.
Origin: Native
Flowers: May-August
– eagle rein orchid, Sheviak's bog orchid
Distribution: Known only from Steven County in Washington; Alaska south to Oregon, east across the northern half of North America to the Atlantic Coast;
Habitat: Wet meadows from montane to subalpine.
Origin: Native
Flowers: June-August
Growth Duration: perennial
– choriso bog orchid
Distribution: Known only from Snohomish County in Washington; Aleutian Islands south the Vancouver Island, British Columbia, and in Snohomish County, Washington.
Habitat: Moist areas, especially at the edges of streams and bogs.
Origin: Native
Flowers: July-August
Growth Duration: perennial
–
scent bottle, bog candle, boreal bog orchid, white orchid, white rein orchid
Distribution: Widely distributed through the mountainous and forested areas of Washington; Alaska south to California, east to the Rocky Mountains; also in northeastern in North America.
Habitat: Wet meadows, forest openings, and streambanks from low elevations to the subalpine.
Origin: Native
Flowers: June-September
Growth Duration: perennial
– white bog orchid
– white bog orchid
– white bog orchid
–
hillside rein orchid, elegant rein-orchid
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Montana.
Habitat: Mostly in dry, open woods and hills where moist in spring.
Origin: Native
Flowers: June-September
– elegant rein orchid, hillside rein orchid
– dense orchid, dense-flower rein orchid
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to Idaho and Montana.
Habitat: Dry, open forest from low to middle elevations.
Origin: Native
Flowers: July-September
– white-lip rein orchid
Distribution: West of the Cascades in Washington and Columbia River Gorge; Alaska to California.
Habitat: Moist coniferous forest at low elevations.
Origin: Native
Flowers: May-June
– northern green bog orchid
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska south to Oregon, east to the Rocky Mountains; also from north-central to northeastern North America.
Habitat: Moist to boggy areas, often on limestone, low to mid-elevations.
Origin: Native
Flowers: June-August
Growth Duration: perennial
–
small northern bog-orchid, blunt-leaf rein-orchid, one-leaf rein-orchid
Distribution: Scattered locations on both sides of the Cascades in Washington; Alaska to Oregon, east to Montana and Colorado, across Canada to Newfoundland.
Habitat: Damp to wet forests at mid-elevations in the mountains.
Origin: Native
Flowers: June-July
Growth Duration: perennial
– blunt-leaf rein orchid, one-leaf rein orchid, small northern bog orchid
– large round-leaf orchid
Distribution: Alaska to Newfoundland, south on both sides of the Cascades to Oregon, Idaho and northwest Montana; east to Minnisota, Indiana and Georgia.
Habitat: Moist, mossy forests.
Origin: Native
Flowers: June - August
Growth Duration: perennial
– canyon bog orchid
Origin: Native
– canyon bog orchid, needle-spur green orchid, slender bog orchid
Distribution: Widely distributed throughout Washington; Alaska south to California, east to Montana and New Mexico.
Habitat: Wet meadows, swamps and coniferous forests, low to mid-elevations.
Origin: Native
Flowers: June-August
Growth Duration: perennial
– royal rein orchid
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California.
Habitat: Forest understory from low to middle elevations.
Origin: Native
Flowers: May-August
Growth Duration: perennial
– Alaska rein orchid
Distribution: Widely distributed throughout Washington; Alaska south to California, east to Quebec and Colorado.
Habitat: Dry, open woods and gravelly streambanks, low to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
– diluvial ladies'-tresses
Distribution: Occurring east of the Cascades in Washington; scattered localities in Colorado, Utah, Wyoming, Idaho and Montana.
Habitat: Moist to wet meadows, marshes, and riparian areas.
Origin: Native
Flowers: July-September
Growth Duration: perennial
– western ladies'-tresses
Distribution: Washington south to California, east to Idaho.
Habitat: Moist to swampy areas.
Origin: Native
Flowers: July-August
Growth Duration: perennial
– hooded ladies'-tresses
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains and across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Seasonally moist to swampy areas, sometimes in disturbed areas.
Origin: Native
Flowers: July-September
Growth Duration: perennial