Compositae Working Group (CWG) (2021). Global Compositae Database. Ridan alternifolia (L.) Britton. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1207262 on 2024-09-19
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record An Illustrated Flora of the Northern United States 3: [Tropicos] [details] LSID urn:lsid:compositae.org:names:F16683AC-9A98-4B34-BFCA-DBC5FB32CBDF [details] Taxonomy as "alternifolius" [details]