Compositae Working Group (CWG) (2021). Global Compositae Database. Aster laevis var. thyrsoideus Farw.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1234861 on 2024-05-14
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Annual report of the Michigan academy of science, arts, and letters 21: [Tropicos] Rep. (Annual) Michigan Acad. Sci. 21 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:E519141A-C6C5-4544-A36E-B259545D7D5B [details]