Status non Machaeranthera spinulosus Greene [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Amellus spinulosus Pursh. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1173503 on 2025-09-12
original description(1813). Fl. Amer. Sept. (Pursh) 2 page(s): 564 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Fl. Amer. Sept. 2 [Govaerts World Compositae Checklist A-G] Flora Americae Septentrionalis; or, . . . 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:67D97CC3-9121-4C04-B145-2B31D21F4EE7 [details] Status non Machaeranthera spinulosus Greene [details] Type material 15 Sep 1804, s.n., W.Clark, M.Lewis, lectotype PH-LC 139 139 [details]