Compositae Working Group (CWG) (2021). Global Compositae Database. Bidens polylepis var. retrorsa Sherff. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1232533 on 2024-05-01
original description(1925). Bot. Gaz. 80 page(s): 386 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Bidens polylepis S.F. Blake var. retrorsa Sherff [Preliminary Checklist of North American Compositae] Bidens polylepis var. retrosa Sherff [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Botanical Gazette 80(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:009682C0-A238-4438-9A8C-8C0E9847E8BF [details]