Compositae Working Group (CWG) (2025). Global Compositae Database. Lactuca graminifolia Michx.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1093098 on 2025-09-11
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Lactuca graminifolia [Govaerts World Compositae Checklist A-G] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A. Michaux, Fl. Bor.-Amer. 2. 1803 [Cichorieae Portal] Fl. Bor.-Amer. 2 [Flora of the West Indies] Fl. Bor.-Amer. 2 [MesoAmericana] Flora Boreali-Americana 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:00C757C9-0568-41CD-BF79-4FB05B619B34 [details] Specimen Mexico: Chiapas: Ocosingo 2130 m, 7 Jun 1987, Thomas B. Croat 66161 (MO). Guatemala: Alta Verapaz: Sacapulas 4900 f, 24 Jun 1976, Robert Merrill King & Richard C. Renner 7118 (MO). [details] Taxonomy 19 Mar 1803 [details] Type material s.n., A.Michaux, null P [details]