Compositae Working Group (CWG) (2025). Global Compositae Database. Croptilon hookerianum var. validum (Rydb.) E.B.Sm.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1156674 on 2025-04-01
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Rydb.) E.B. Sm. [Preliminary Checklist of North American Compositae] (Rydb.) E.B. Sm. [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Isopappus validus [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Croptilon hookerianum (Torr. & A. Gray) House var. validum (Rydb.) E.B. Sm. [Preliminary Checklist of North American Compositae] Croptilon hookerianum (Torr. & A.Gray) House var. validum (Rydb.) E.B.Sm. [IPNI] Croptilon hookerianum var. validum (Rydb.) E.B. Sm. [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Sida 9(1) [IPNI] Sida 9(1): [Tropicos] [details] LSID urn:lsid:compositae.org:names:B78BC334-B2B4-4A42-9D1C-4BC4C7BC2BB1 [details]