Gymnocalycium eytianum Cárdenas in Kakteen And. Sukk. 9(2): 25. 1958
Gymnocalycium eytianum in Kakteen And. Sukk. 9(2): 25. 1958
is basionym for Gymnocalycium pflanzii var. eytianum in Natl. Cact. Succ. J. 26: 100. 1971
is basionym for Gymnocalycium friedrichii subsp. eytianum in Gymnocalycium 21 (Sonderausgabe): 816. 2008
Holotype: Bolivia, Eyti, between Caipipendi e Ipati, Mar 1949, M. Cárdenas 5065 (LIL: LIL001917) https://plants.jstor.org/stable/10.5555/al.ap.specimen.lil001917