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2010 Zoya Akulova   cc-by-nc

Najas (Saw Weed) is a genus of herb in the family Hydrocharitaceae. They are native to Alaska, The Contiguous United States, Puerto Rico, Canada, and Eastern North America.

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EOL has data for 12 attributes, including:

Known occurrences, collected specimens and observations of Saw-weed. View this species on GBIF