Mark Hyde, Bart Wursten and Petra Ballings   cc-by-nc

Epilobium (Willowherb) is a genus of herb in the family Onagraceae. They are native to The Contiguous United States, Canada, Borneo, Saint-Pierre Et Miquelon, Greenland, and Alaska. Individuals can grow to 2.5 m.

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EOL has data for 14 attributes, including:

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