Type material Guatemala: Dept. Quezaltenango: Damp thicket, near El Muro, below Santa María de Jesús, alt. about 1200 meters, March 1, 1939, Paul C. Standley 67221 (HT: F). [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Eupatorium rojasianum Standl. & Steyerm.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1186609 on 2025-03-26
original description(1944). Publ. Field Mus. Nat. Hist., Bot. Ser. 23 page(s): 188 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bot. Ser. 23: 188. 1944. [Robinson Eupatorieae] Publ. Field Mus. Nat. Hist. Chicago, Bot. Ser. 23 [IPNI] Publ. Field Mus. Nat. Hist., Bot. Ser. 23(4) [MesoAmericana] Publications of the Field Museum of Natural History, Botanical Series 23(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:A5CD3360-C222-4A5A-97A6-758552BBCD0C [details] Taxonomy as Eupatorium "Rojasianum" [details] Type material Guatemala: Dept. Quezaltenango: Damp thicket, near El Muro, below Santa María de Jesús, alt. about 1200 meters, March 1, 1939, Paul C. Standley 67221 (HT: F). [details]