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

Vernonia (Ironweed) is a genus of shrub in the family Asteraceae. They are climbers. They are native to The Contiguous United States, Puerto Rico, Canada, and U.S. Virgin Islands. Flowers are visited by Pseudoanthidium lanificum, Eurytides marcellus, Monarch, and Braunsapis nautica. Individuals can grow to 3 m.

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EOL has data for 10 attributes, including:

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