Cleistocactus icosagonus (Kunth) F.A.C.Weber in Roland-Gosselin, Cleistocactus: 6. 1904
Cleistocactus icosagonus in Roland-Gosselin, Cleistocactus: 6. 1904
is new combination for Cactus icosagonus, Nov. Gen. Sp. (quarto ed.) 6: 67. 1823
Cleistocactus icosagonus in Roland-Gosselin, Cleistocactus: 6. 1904