Compositae Working Group (CWG) (2025). Global Compositae Database. Pyrrocoma racemosa var. congesta (Greene) Mayes ex G.K.Br. & D.J.Keil. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1157539 on 2025-03-20
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Greene) G.K.Br. & D.J.Keil [IPNI] (Greene) Mayes ex G. Brown & Keil [Preliminary Checklist of North American Compositae] (Greene) Mayes ex G.K. Br. & D.J. Keil [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Pyrrocoma racemosa (Nutt.) Torr. & A. Gray var. congesta (Greene) Mayes ex G. Brown & Keil [Preliminary Checklist of North American Compositae] Pyrrocoma racemosa Torr. & A.Gray var. congesta (Greene) Mayes ex G.K.Br. & D.J.Keil [IPNI] Pyrrocoma racemosa var. congesta (Greene) G.K.Br. & D.J.Keil [IPNI] Pyrrocoma racemosa var. congesta (Greene) Mayes ex G.K. Br. & D.J. Keil [Tropicos] [details] LSID urn:lsid:compositae.org:names:CDC669B2-EB9B-44BC-B12F-98E9C0314BBC [details]