Compositae Working Group (CWG) (2021). Global Compositae Database. Prenanthes serpentaria var. barbata Torr. & A.Gray. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1230739 on 2025-03-26
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Torr. & A. Gray [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Prenanthes serpentaria Pursh var. barbata Torr. & A. Gray [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:779EC952-5F39-4AEA-9DA0-6BAF52D1A377 [details]