Cereus tacaquirensis Vaupel in Monatsschr. Kakteenk. 26: 122. 1916
Cereus tacaquirensis in Monatsschr. Kakteenk. 26: 122. 1916
is basionym for Echinopsis tacaquirensis in I.O.S. Bull. 3(3): 98. 1974
is basionym for Trichocereus tacaquirensis, Cactaceae 2: 1107. 1959
is basionym for Echinopsis tacaquirensis subsp. tacaquirensis