Whorled Rosinweed
Silphium asteriscus var. trifoliatum (Linnaeus) J.A. Clevinger
Whorled Rosinweed: https://marylandbiodiversity.com/species/4383
Synonyms
Silphium trifoliatum  Threeleaf Rosinweed 

Map Snapshot

21 Records

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

Source: Wikipedia

Wikipedia content unavailable for this taxon.