Compositae Working Group (CWG) (2021). Global Compositae Database. Erigeron petrocallis Greene. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1190306 on 2024-05-21
original description(1895). Erythea 3 page(s): 21 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Erythea 3(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:17AC4142-FBE4-431C-A086-83C06A08FADD [details] Type material E.L.Greene, lectotype ND-G [details]