Compositae Working Group (CWG) (2021). Global Compositae Database. Xanthium strumarium var. pensylvanicum (Wallr.) M.Peck. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1231548 on 2024-04-30
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Wallr.) M. Peck [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Xanthium strumarium L. var. pensylvanicum (Wallr.) M. Peck [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:5D71465E-AE6E-4F11-953B-7AD7479CBFCB [details]