Cereus plagiostoma Vaupel in Bot. Jahrb. Syst. 50(2-3, Beibl. 111): 20. 1913
Cereus plagiostoma in Bot. Jahrb. Syst. 50(2-3, Beibl. 111): 20. 1913
is basionym for Borzicactus plagiostoma, Cactaceae 2: 163. 1920
is basionym for Binghamia plagiostoma in Cact. Succ. J. (Los Angeles) 4: 388. 1933
is basionym for Cleistocactus plagiostoma in Cactaceae Consensus Init. 2: 3. 1997
is basionym for Echinopsis plagiostoma in Succulentopi@ 14: 20. 2015
Holotype: Peru, Cajamarca: near San Miguel, in open to almost closed association of herbs (numerous grasses), cacti, bromeliads and shrubs, alt. 2200 m, 5 May 1904, A. Weberbauer 3906 (B, in spirit: B 810006780)