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2012 Keir Morse   cc-by-nc-sa-3.0

Aristida (Threeawn) is a genus of herb in the family true grasses. They are native to Eastern North America. Individuals can grow to 1.7 m.

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EOL has data for 11 attributes, including:

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