Compositae Working Group (CWG) (2021). Global Compositae Database. Actinella torreyana Nutt.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1186276 on 2025-03-23
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Trans. Amer. Philos. Soc. , n.s., 7 [Govaerts World Compositae Checklist A-G] Transactions of the American Philosophical Society, new series, 7: [Tropicos] [details] LSID urn:lsid:compositae.org:names:716A3453-4947-4F6A-91E7-6EB44F88CF72 [details] Type material s.n., T. Nuttall, '"Three Butes"' of the Upper Platte, on shelving rocks, holotype PH? [details]