Compositae Working Group (CWG) (2024). Global Compositae Database. Erigeron procerus Lunell. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1135579 on 2025-03-23
original description(1914). Amer. Midl. Naturalist 3 page(s): 5 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record American Midland Naturalist 3: [Tropicos] [details] LSID urn:lsid:compositae.org:names:364BB766-5CFC-4F1C-871C-9520011CE5AB [details]