dcsimg
2015 Richard Spellenberg   cc-by-nc-sa-3.0

Silphium radula (Roughstem Rosinweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States and North America. They have broad leaves.

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EOL has data for 11 attributes, including:

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