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Elizabeth A. Sellers /life.nbii.gov   cc-by-nc-sa-3.0

Protographium marcellus is a species of butterflies in the family swallowtail butterflies. They visit flowers of eastern bluestar, yellow thistle, netted pawpaw, and Faassen's catnip.

EOL has data for 12 attributes, including:

Known occurrences, collected specimens and observations of Protographium marcellus (Cramer (1777)) from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF