Compositae Working Group (CWG) (2021). Global Compositae Database. Heterotheca echioides (Benth.) Shinners. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1204764 on 2025-04-04
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Heterotheca echinoides [Govaerts World Compositae Checklist A-G] Heterotheca echioides [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Field & Laboratory 19(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:40A5BCCD-21A0-4983-932D-CEA1CD1672A9 [details]