Arequipa rettigii var. erectocylindrica (Rauh & Backeb.) Krainz, Kakteen 36: C Vb. 1967
Arequipa rettigii var. erectocylindrica, Kakteen 36: C Vb. 1967
is new combination for Arequipa erectocylindrica, Descr. Cact. Nov. 1: 18. 1957 ["1956"]
Arequipa rettigii var. erectocylindrica, Kakteen 36: C Vb. 1967
Taxon for this name