Pygmaeocereus bylesianus Andreae & Backeb. in Natl. Cact. Succ. J. 12: 86. 1957
Pygmaeocereus bylesianus in Natl. Cact. Succ. J. 12: 86. 1957
is basionym for Haageocereus bylesianus in Cact.-Avent. Int. 98(Suppl.): 5. 2013
is basionym for Arthrocereus bylesianus in Kakteen And. Sukk. 20: 97. 1969
is basionym for Echinopsis bylesiana in Succulentopi@ 14: 14. 2015
Pygmaeocereus bylesianus in Natl. Cact. Succ. J. 12: 86. 1957