Cactus laetus Kunth, Nov. Gen. Sp. (quarto ed.) 6: 68. 1823
Cactus laetus, Nov. Gen. Sp. (quarto ed.) 6: 68. 1823
is basionym for Armatocereus laetus, Kaktus-ABC: 176. 1936 ["1935"]
is basionym for Armatocereus laetus, Index Kew. 25. 1991
is basionym for Lemaireocereus laetus in J. New York Bot. Gard. 20: 157. 1919
is basionym for Cereus laetus, Prodr. 3: 466. 1828
Cactus laetus, Nov. Gen. Sp. (quarto ed.) 6: 68. 1823