Maguire, Bassett. 1989. The Botany of the Guayana Highland- Part XIII. Mem. New York Bot. Gard. 51: 1-127.
Gentianaceae
Distribution and Ecology - One of the most widely distributed species ofthe genus. Mexico and the Florida Keys, the West Indies, and tropical South America. GUYANA. Mazaruni River, Dec 1896, Jenman 7192 (NY); trail Tukeit to Kaiatuk, 28 Apr 1944, Maguire & Fanshawe 23079 (K, N Y , U); Kaieteur Plateau, 1May 1944, Maguire & Fanshawe 32399 (K, NY); mixed evergreen forest, Imbaimadai Savanna, 460 m, 14 Jun 1960, Maguire & Tillett 43849 (K, NY).
Type. Martinique. Jacquin
Voyria eximia Sandwith, Bull. Misc. Inform. 1928: 379. 1928. Type. Kumpung Mts., Pakaraima Range, 1500 ft, Guyana, Aug 1925, Alston 373 (holotype K, isotype UG).
Specimens examined. VENEZUELA, territorio federal amazonas: Intermediate Camp at 3500 ft, Cerro Huachamacari, 4 Dec 1950, Maguire, Cowan & Wurdack 29828 (NY); base to summit, Cerro Yapacana, 1200 m, 3 Jan 1951, Maguire, Cowan & Wurdack 30652 (NY); Cerro Yutaje, 1000 m, 4 Feb 1953, Maguire & Maguire 35050 (NY); Rio Siapa, above Raudal Gallineta, 130 m, 23 Jul 1959, Wurdack & Adderiey 43603 (NY), bolivar: SororopAn-tepui, 1500-1700 m, 18 Dec 1952, Maguire & Wurdack 33837 (NY); ChimantA-AbAcapa-tepui, 750-1100 m, 5 Apr 1953, Steyermark 74843 (NY); same locahty, 850-1100 m, 18 Apr 1953, Steyermark 75108 (NY); ChimantA, Rio Tirica, 1000 m, 14 May 1953, Steyermark 7 5 364 (NY); Chimanta, Rio Tirica, 470 m, 16 Jan 1955, Steyermark & Wurdack 104 (NY, VEN); La Escalera, Alto Rio Cuyuni, 850 m, 20-21 Aug 1962, Maguire, Steyermark & Maguire 46860 (NY); Cerro Uroi, 1000 m, Rio Chicanan, 14 Sep 1962, Maguire, Steyermark & Maguire 53828 (NY, VEN).