Arthrocereus bylesianus (Andreae & Backeb.) Buxb. in Kakteen And. Sukk. 20: 97. 1969
Arthrocereus bylesianus in Kakteen And. Sukk. 20: 97. 1969
is new combination for Pygmaeocereus bylesianus in Natl. Cact. Succ. J. 12: 86. 1957
Arthrocereus bylesianus in Kakteen And. Sukk. 20: 97. 1969