Johnston, I.M. (1924). Expedition of the California Academy of Sciences to the Gulf of California in 1921. The Botany (The Vascular Plants). <em>Proc. Calif. Acad. Sci. ser. 4.</em> 12, 951-1218. page(s): 1209 [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Porophyllum confertum var. ochroleucum (Rydb.) I.M.Johnst.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1238521 on 2025-04-07
original descriptionJohnston, I.M. (1924). Expedition of the California Academy of Sciences to the Gulf of California in 1921. The Botany (The Vascular Plants). <em>Proc. Calif. Acad. Sci. ser. 4.</em> 12, 951-1218. page(s): 1209 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Rydb.) I.M. Johnst. [CONABIO] (Rydb.) I.M. Johnst. [Tropicos] I.M.Johnst. [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Porophyllum confertum Greene var. ochroleucum I.M.Johnst. [IPNI] Porophyllum confertum var. ochroleucum (Rydb.) I.M. Johnst. [CONABIO] Porophyllum confertum var. ochroleucum (Rydb.) I.M. Johnst. [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proceedings of the California Academy of Sciences, Series 4, 12: [Tropicos] [details] LSID urn:lsid:compositae.org:names:514BA8D1-EDE9-42A8-8DD0-F10E8BD79948 [details]