Pilocereus phaeacanthus (Gürke) Backeb., Kaktus-ABC: 333. 1936 ["1935"]
Pilocereus phaeacanthus, Kaktus-ABC: 333. 1936 ["1935"]
is new combination for Cereus phaeacanthus in Monatsschr. Kakteenk. 18: 57. 1908
Pilocereus phaeacanthus, Kaktus-ABC: 333. 1936 ["1935"]