dcsimg
Ron Thomas   cc-by-nc-sa-4.0

Silphium (Rosinweed) is a genus of herb in the family Asteraceae. They are native to The Contiguous United States, Canada, North America, and Eastern North America.

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EOL has data for 14 attributes, including:

Known occurrences, collected specimens and observations of rosinweed from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF