Cipocereus crassisepalus (Buining & Brederoo) Zappi & N.P.Taylor in Bradleya 9: 86. 1991 sec. Zappi & Taylor 2020
- ≡Cereus crassisepalus Buining & Brederoo in Krainz, Kakteen 53: CIVb. 1973 syn. sec. ???
- ≡Piptanthocereus crassisepalus (Buining & Brederoo) F.Ritter, Kakteen Südamerika 1: 238. 1979 syn. sec. ???
- ≡Pilosocereus crassisepalus (Buining & Brederoo) Anceschi & Magli in Cactusinhabitat S. Amer. 2005/2010: 33. 2010 syn. sec. ???
