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JC Schou   cc-by-nc

Calamagrostis (Reedgrass) is a genus of perennial grass in the family true grasses. They are native to Western North America, Saint-Pierre Et Miquelon, Canada, Greenland, Alaska, The Contiguous United States, North America, and Hawaii.

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EOL has data for 12 attributes, including:

Known occurrences, collected specimens and observations of reedgrass. View this species on GBIF