Compositae Working Group (CWG) (2021). Global Compositae Database. Lactuca biennis (Moench) Fernald. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1111577 on 2024-09-05
original description(ofLactuca leucophaea A.Gray)Gray, A. (1883). Contributions to North American Botany. I. Characters of new Compositae, with revisions of certain genera, and critical notes. <em>Proc. Amer. Acad. Arts.</em> 19: 1-96. page(s): 73 [details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Moench) Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Lactuca biennis [Govaerts World Compositae Checklist A-G] Lactuca biennis [New Zealand Plant Name Database] Lactuca biennis (Moench) Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Fernald in Rhodora 42. 1940 [Cichorieae Portal] Rhodora 42(500): [Tropicos] [details] LSID urn:lsid:compositae.org:names:52BC438D-2703-4B17-8C86-E3043DDD28E4 [details]