Cephalocereus arrabidae (Lem.) Britton & Rose, Cactaceae 2: 42. 1920 Cephalocereus arrabidae (Lem.) Britton & Rose, Cactaceae 2: 42. 1920is new combination for Pilocereus arrabidae Lem. in Rev. Hort. 34: 429. 1862Taxon for this nameCephalocereus arrabidae (Lem.) Britton & Rose, Cactaceae 2: 42. 1920