OAC-BIO Herbarium. University of Guelph, Canada. Year: 2012.   cc-by-nc-sa-3.0

Silphium (Rosinweed) is a genus of herb in the family Asteraceae. They are native to North America, Canada, The Contiguous United States, and Eastern North America. Flowers are visited by Monarch, Yellowjacket Hover Fly, White Peacock, and Eastern Tiger Swallowtail.

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EOL has data for 9 attributes, including:

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