Compositae Working Group (CWG) (2025). Global Compositae Database. Aster williamsii Rydb.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1141875 on 2025-03-28
original description(1910). Bull. Torrey Bot. Club 37 page(s): 136 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bulletin of the Torrey Botanical Club 37(3): [Tropicos] [details] LSID urn:lsid:compositae.org:names:5B0638A1-51B7-4EF1-A45E-C845EFB666DF [details] Taxonomy as "Williamsii" [details]