Compositae Working Group (CWG) (2021). Global Compositae Database. Lactuca canadensis f. stenopoda Wiegand. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1164982 on 2024-07-07
original description(1920). Rhodora 22: 11. 1920 page(s): 11 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 22(253): [Tropicos] [details] LSID urn:lsid:compositae.org:names:F3E8DF54-AC21-4F45-A9DA-BBB02C3A82AD [details] Taxonomy under var. obovata Wiegand [details]