Compositae Working Group (CWG) (2025). Global Compositae Database. Aster infirmus Michx.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1194065 on 2025-09-13
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Fl. Bor.-Amer. 2 [Govaerts World Compositae Checklist A-G] Flora Boreali-Americana 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:42A08173-CAA6-44BE-B4B1-96BECB2DFE96 [details] Taxonomy 19 Mar 1803 [details] Type material lectotype BM [details]