Glyceria
mannagrass
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Glyceria
Synonyms & Misapplications:
(none provided)
Species in Glyceria:
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Glyceria borealis – small floating mannagrass
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America. - Glyceria canadensis – Canada mannagrass, rattlesnake mannagrass Occurring west of the Cascades crest in Washington; introduced from southwestern British Columbia to northwestern Oregon, native from the Great Plains to eastern North America.
- var. canadensis – rattlesnake mannagrass Occurring west of the Cascades crest in Washington; introduced from southwestern British Columbia to northwestern Oregon, native from the Great Plains to eastern North America.
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Glyceria declinata – low glyceria, waxy mannagrass Occurring west of the Cascades crest in Washington; British Columbia to California, scattered eastward across North America.
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Glyceria elata – tall mannagrass Occurring on both sides of the Cascades crest in Washington; British Columbia south on both sides of the Cascades to California, east to Montana and New Mexico.
- Glyceria fluitans – water mannagrass Occurring on both sides of the Cascades crest in Washington; British Columbia to California, also in central and eastern North America.
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Glyceria grandis – American mannagrass, reed mannagrass 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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var. grandis – reed mannagrass 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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Glyceria leptostachya – slender-spike mannagrass Occurring chiefly west of the Cascades crest in Washington; Alaska to California.
- Glyceria maxima – tall mannagrass Occurring west of the Cascades crest in Washington; Alaska to Washiington; also in eastern North America.
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Glyceria striata – fowl mannagrass Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Additional Resources:
PNW Herbaria: Specimen records of Glyceria in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Glyceria checklist entry.
OregonFlora: Glyceria information.
E-Flora BC: Glyceria atlas page.
CalPhotos: Glyceria photos.
USDA Plants: Glyceria information.
105 photographs:
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