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2017 Zoya Akulova   cc-by-nc

Sium suave (Hemlock Waterparsnip) is a species of perennial herb in the family umbellifers. They have a self-supporting growth form. They are native to The Contiguous United States, Canada, and Alaska. They have simple, broad leaves. Flowers are visited by Conura debilis, NO NAME!, Psammochares, and Sarcophaga. Individuals can grow to 12 dm.

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EOL has data for 17 attributes, including:

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