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2008 Steve Matson   cc-by-nc

Glyceria grandis (American Mannagrass) is a species of perennial grass in the family true grasses. They are native to Alaska, Western North America, The Contiguous United States, Saint-Pierre Et Miquelon, and Canada.

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EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of American Mannagrass from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF