Haageocereus pseudomelanostele var. longicomus (Akers) Backeb. in Cact. Succ. J. (Los Angeles) 23: 47. 1951
Haageocereus pseudomelanostele var. longicomus in Cact. Succ. J. (Los Angeles) 23: 47. 1951
is new combination for Peruvocereus setosus var. longicomus in Cact. Succ. J. (Los Angeles) 19: 91. 1947