Compositae Working Group (CWG) (2021). Global Compositae Database. Phaethusa occidentalis (L.) Britton. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1168942 on 2024-05-18
original description(1913). Ill. Fl. N. U.S. (Britton & Brown), ed. 2. 3[details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Britton [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Phaethusa occidentalis Britton [IPNI] [details] LSID urn:lsid:compositae.org:names:7E249DAA-CF62-4FD7-B727-12DC0D4B3678 [details]