Poa
bluegrass
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Poa
Synonyms & Misapplications:
(none provided)
Species in Poa:
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Poa alpina – alpine bluegrass
Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains, Great Lakes region, and northeastern North America; circumboreal. - ssp. alpina – alpine bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains, Great Lakes region, and northeastern North America; circumboreal.
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Poa annua – annual bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
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Poa arctica – Arctic bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to Rocky Mountains; circumpolar.
- ssp. arctica – arctic bluegrass Occurring in the Cascades Range in Washington; Alaska to Oregon, east to Rocky Mountains; circumpolar.
- Poa bolanderi – Bolander's bluegrass Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Utah.
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Poa bulbosa – bulbous bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
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ssp. vivipara – bulbous bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
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Poa compressa – flat-stem bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
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Poa confinis – coastline bluegrass Occurring west of the Cascades crest in Washington along the coast; British Columbia to California.
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Poa curtifolia – little mountain bluegrass, Wenatchees bluegrass Occurring east of the Cascades crest in central Washington, where endemic to the Wenatchee Mountains.
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Poa cusickii – Cusick's bluegrass Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Saskatchewan and Colorado.
- ssp. cusickii – Cusick's bluegrass Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to Idaho.
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ssp. epilis – skyline bluegrass Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Saskatchewan and Colorado.
- ssp. pallida – Cusick's bluegrass Occurring east of the Cascades crest in Washington; Yukon to California, east to the Rocky Mountains.
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ssp. purpurascens – Cusick's bluegrass Occurring in the Cascades Range and Olympic Mountains in Washington; British Columbia to California.
- Poa fendleriana – muttongrass Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains.
- ssp. fendleriana – Vasey's muttongrass Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains.
- ssp. longiligula – muttongrass Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains.
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Poa glauca – glaucous bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, and further east to northeastern North America; circumboreal.
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ssp. rupicola – timberline bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
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Poa howellii – Howell's bluegrass Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; southern British Columbia to California.
- Poa infirma – weak bluegrass
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Poa interior – interior bluegrass, woods bluegrass Occurring on both sides of the Cascades crest in northern Washington; Alaska to northern Washington, east to the Rocky Mountains, Great Plains, and Atlantic Coast.
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Poa laxiflora – loose-flower bluegrass Occurring west of the Cascades crest in Washington; Southern Alaska to northwestern Oregon.
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Poa leibergii – Leiberg's bluegrass Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; south-central Washington to northeastern Nevada, east to Idaho.
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Poa leptocoma – marsh bluegrass Occurring in the Cascades Range and Olympic Mountains in Washington; Alaska to California, east to the Rocky Mountains; also in Far Eastern Russia.
- Poa lettermanii – Letterman's bluegrass Occurring in the Cascades Range in Washington; British Columbia to California, east to the Rocky Mountains.
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Poa macrantha – sand-dune bluegrass Occurring west of the Cascades crest along the coast in Washington; southern Alaska to California.
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Poa marcida – withered bluegrass Occurring west of the Cascades crest in Washington; southern Vancouver Island to northwestern Oregon.
- Poa nemoralis – woodland bluegrass Occurring east of the Cascades crest in Washington; Alaska to Caiifornia; also in eastern North America.
- Poa nervosa – Hooker's bluegrass Occurring chiefly east of the Cascades and in the Columbia River Gorge in Washington; British Columbia to Oregon, east to Alberta.
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Poa palustris – fowl bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
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Poa paucispicula – Alaska bluegrass Occurring in the Cascades Range and Olympic Mountains in Washington; Alaska to Washington, east to the Rocky Mountains.
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Poa pratensis – Kentucky bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast: circumboreal.
- ssp. angustifolia – Kentucky bluegrass Occurring on both sides of the Cascades crest; widespread in North America.
- ssp. irrigata – Kentucky bluegrass Occurring on both sides of the Cascades crest in Washington; widespread in North America.
- ssp. pratensis – Kentucky bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast: circumboreal.
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Poa secunda Widely distributed throughout Washington; Alaska south to California, east to the Rocky Mountains.
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ssp. juncifolia – alkali bluegrass, big bluegrass, Nevada bluegrass
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ssp. secunda – curly blue grass
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Poa stenantha – narrow-flowered bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains.
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var. stenantha – narrow-flower bluegrass Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains.
- Poa suksdorfii – Suksdorf's bluegrass, western bluegrass Occurring on both sides of the Cascades crest in Washington; south-central British Columbia to central Oregon.
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Poa trivialis – rough-stalk bluegrass Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
- ssp. trivialis – rough-stalk bluegrass Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
- Poa unilateralis – sea-bluff bluegrass Occurring west of the Cascades crest in Washington; southwestern Washington to California.
- ssp. pachypholis – San Francisco bluegrass Occurring west of the Cascades crest in Washington; southwestern Washington to northwestern Oregon.
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Poa wheeleri – Wheeler's bluegrass Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Additional Resources:
PNW Herbaria: Specimen records of Poa in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Poa checklist entry.
OregonFlora: Poa information.
E-Flora BC: Poa atlas page.
CalPhotos: Poa photos.
USDA Plants: Poa information.
281 photographs:
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