Compositae Working Group (CWG) (2025). Global Compositae Database. Spilanthes occidentalis Sessé & Moc.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1120414 on 2025-03-25
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record as "Spilanthus" [Tropicos] [details] LSID urn:lsid:compositae.org:names:B7B3919A-6429-49C9-A925-19BD7FAB1C03 [details] Taxonomy ed. 2, 121 [details]