Compositae Working Group (CWG) (2021). Global Compositae Database. Aster douglasii Lindl.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1165408 on 2025-03-25
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record as "Douglasii" [Tropicos] [details] LSID urn:lsid:compositae.org:names:E3F596E6-CF93-47EC-B45E-003F8B63CA6E [details] Taxonomy 1-10 Oct 1836 [details] Type material s.n., D.Douglas, lectotype CGE [details]