Compositae Working Group (CWG) (2021). Global Compositae Database. Lactuca canadensis f. angustipes Wiegand. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1164973 on 2024-07-05
original description(1920). Rhodora 22: 10. 1920 page(s): 10 [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:74F60778-A8D8-4D21-8E90-B915FFA8022D [details] Taxonomy under var. typica Wiegand [details]