Compositae Working Group (CWG) (2024). Global Compositae Database. Hymenoxys subg. Rydbergia (Greene) Bierner. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1081254 on 2025-03-29
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Hymenoxys subgen. Rydbergia (Greene) Bierner [IPNI] [details] LSID urn:lsid:compositae.org:names:AE37D441-4DA0-4E64-B43C-85D15541EAF2 [details] Taxonomy 13 Dec 2001 [details]