Trichocereus randallii Cárdenas in Cact. Succ. J. (Los Angeles) 35: 158. 1963
Trichocereus randallii in Cact. Succ. J. (Los Angeles) 35: 158. 1963
is basionym for Echinopsis formosa subsp. randallii in Cactaceae Syst. Init. 14: 13. 2002
is basionym for Helianthocereus randallii, Kakteenlex.: 187. 1966
is basionym for Echinopsis randallii in I.O.S. Bull. 3(3): 97. 1974
is basionym for Lobivia formosa var. randallii, Lobivia 85: 45. 1987 ["1985"]
is basionym for Soehrensia formosa subsp. randallii in Willdenowia 51: 265. 2021
Holotype: Bolivia, Dep. Tarija, Valle de Paichu near Escayachi, alt. 2300 m, Apr 1962, R. B. Randall in Cárdenas 5546 (LIL: LIL000979) https://plants.jstor.org/stable/10.5555/al.ap.specimen.lil000979