Dataset: All Collections
Taxa: Silphium perfoliatum (Silphium scabrum), Silphium perfoliatum var. connatum (Silphium connatum, Silphium scabrum, Silphium perfoliatum subsp. connatum), Silphium perfoliatum var. perfoliatum
Search Criteria: Polygon search (not displayed); includes cultivated/captive occurrences