Cactus icosagonus Kunth, Nov. Gen. Sp. (quarto ed.) 6: 67. 1823
Cactus icosagonus, Nov. Gen. Sp. (quarto ed.) 6: 67. 1823
is basionym for Borzicactus icosagonus, Cactaceae 2: 160. 1920
is basionym for Cleistocactus icosagonus in Roland-Gosselin, Cleistocactus: 6. 1904
is basionym for Seticereus icosagonus in Cactaceae (Berlin) 1937(2): 14. 1937
is basionym for Matucana icosagona in Krainz, Kakteen 54: C V b. 1973
is basionym for Cereus icosagonus, Prodr. 3: 467. 1828
is basionym for Binghamia icosagona, Kaktus-ABC: 197. 1936 ["1935"]
Isotype: Ecuador, Nabon, F. W. H. A. v. Humboldt & A. J. A. Bonpland 3293 (B: B -W 09429 -01 0) https://plants.jstor.org/stable/10.5555/al.ap.specimen.b%20-w%2009429%20-01%200
Holotype: Ecuador, Nabon, F. W. H. A. v. Humboldt & A. J. A. Bonpland 3293 (P: P00679531) https://science.mnhn.fr/institution/mnhn/collection/p/item/p00679531