Compositae Working Group (CWG) (2021). Global Compositae Database. Eupatorium rydbergii Britton. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1208835 on 2025-03-27
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Eupatorium rydbergi Britton [Robinson Eupatorieae] [details] LSID urn:lsid:compositae.org:names:189CD74E-C0E2-4342-8DE1-E4663E4F3745 [details] Taxonomy as "Rydbergi" [details]