Armatocereus laetus (Kunth) Backeb., Kaktus-ABC: 176. 1936 ["1935"]
Armatocereus laetus, Kaktus-ABC: 176. 1936 ["1935"]
is new combination for Cactus laetus, Nov. Gen. Sp. (quarto ed.) 6: 68. 1823
Armatocereus laetus, Kaktus-ABC: 176. 1936 ["1935"]