Compositae Working Group (CWG) (2025). Global Compositae Database. Eupatorium quadrangulare DC.. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1201252 on 2025-09-13
original description(1836). Prodr. (DC.) 5 page(s): 150 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Prodr. 5 [Govaerts World Compositae Checklist A-G] Prodr. 5 [MesoAmericana] Prodr.5: 150. 1836. [Robinson Eupatorieae] Prodromus Systematis Naturalis Regni Vegetabilis 5: [Tropicos] [details] LSID urn:lsid:compositae.org:names:97722799-28F9-4EC8-AEDC-BC1172633F3E [details] Specimen Mexico: San Luis Potosi: El Salto 200 m, 13 Jan 1987, Thomas B. Croat & Dylan P. Hannon 63048 (MO). Guatemala: Peten: Cerro Cauhui 125 m, 18 Apr 1986, Randy L. Walker 1235 (MO). Honduras: Comayagua: Agua Caliente 220 m, 22 Nov 1980 - 31 Dec 1980, Cirilo Nelson, Ana Di|az, Rosario Rodríguez, Roberto Andino, Héctor Martínez & Efraín Romero 6568A (MO). Nicaragua: Granada: 90 m, 18 diciembre 1980, P.P. Moreno 5464 (MO). Costa Rica: Guanacaste: 0 - 300 m, 2 Jul 1979, Daniel H. Janzen 11727 (MO). [details] Taxonomy 1-10 Oct 1836 [details]