Trichocereus escayachensis Cárdenas in Cact. Succ. J. (Los Angeles) 35: 157. 1963
Trichocereus escayachensis in Cact. Succ. J. (Los Angeles) 35: 157. 1963
is basionym for Helianthocereus escayachensis, Kakteenlex.: 186. 1966
is basionym for Echinopsis escayachensis in I.O.S. Bull. 3(3): 95. 1974
Trichocereus escayachensis in Cact. Succ. J. (Los Angeles) 35: 157. 1963