Compositae Working Group (CWG) (2021). Global Compositae Database. Heterotheca villosa var. depressa (Rydb.) Semple. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1247172 on 2025-03-31
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Heterotheca villosa (Pursh) Shinners var. depressa (Rydb.) Semple [IPNI] Heterotheca villosa (Pursh) Shinners var. depressa (Rydb.) Semple [Preliminary Checklist of North American Compositae] [details] LSID urn:lsid:compositae.org:names:84DA42A7-65D0-4D37-AFF3-E2101CA70A3B [details]