Taxonomy according to IPNI should be Britton, Ill. Fl. Ed. 2, 3: 488 (1913)
Taxonomy according to IPNI should be Britton, Ill. Fl. Ed. 2, 3: 488 (1913) [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Phaethusa occidentalis (L.) Small. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1134195 on 2025-09-13
LSID urn:lsid:compositae.org:names:2BA970A5-3A81-496D-9732-89101B4A843A [details] Taxonomy according to IPNI should be Britton, Ill. Fl. Ed. 2, 3: 488 (1913) [details]