Type material Guatemala: Dept. Huehuetenango: Between Tojquiá and Caxin bluff, summit of Sierra de los Cuchumatanes, alt. about 3700 m, August 6, 1942, Julian A. Steyermark 50157 (HT: F). [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Cirsium nigriceps Standl. & Steyerm.. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1115187 on 2025-03-20
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Publ. Field Mus. Nat. Hist., Bot. Ser. 23(5) [MesoAmericana] Publications of the Field Museum of Natural History, Botanical Series 23(5): [Tropicos] [details] LSID urn:lsid:compositae.org:names:4512B147-1324-469E-9EE8-FFD7500C00E5 [details] Specimen Mexico: Chiapas: 3000 m, 28 Jun 1972, D.E. Breedlove 25856 (MO). [details] Type material Guatemala: Dept. Huehuetenango: Between Tojquiá and Caxin bluff, summit of Sierra de los Cuchumatanes, alt. about 3700 m, August 6, 1942, Julian A. Steyermark 50157 (HT: F). [details]