Compositae Working Group (CWG) (2026). Global Compositae Database. Porophyllum ruderale var. angustifolium Hassl.. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1224869 on 2026-08-09
source of synonymyAnzuinelli, M.; Zarlavsky, G.; Gonzalez, A. M.; Bartoli, A. (2024). Novedades taxonómicas en el género Porophyllum (Asteraceae, Tageteae): rehabilitación de Porophyllum macrolepidium. <em>Darwiniana, nueva serie.</em> 269-283., available online athttps://doi.org/10.14522/darwiniana.2024.122.1225[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
Lectotype G G8665/169-170, geounit Paraguay [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Porophyllum ruderale (Jacq.) Cass. var. angustifolium Hassl. [Bolivia Checklist] [details] LSID urn:lsid:compositae.org:names:D941F72E-4489-4323-A23A-090A819BA421 [details]