Compositae Working Group (CWG) (2021). Global Compositae Database. Agoseris leontodon var. pygmaea Rydb.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1229649 on 2025-03-26
original description(1900). Mem. New York Bot. Gard. 1 page(s): 458 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Memoirs of the New York Botanical Garden 1: [Tropicos] Rydb. in Mem. New York Bot. Gard. 1. 1900 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:E3E235CE-E449-4250-B4E0-5951347FC6B0 [details] Taxonomy as "Leontodon" [details] Type material [USA] "Montana: Old Hollowtop, near Pony", 9 Jul 1897, Rydberg & Bessey 5288 [details]