Cereus arachnoides Lawr. in Gard. Mag. (London) 17: 320. 1841 Cereus arachnoides Lawr. in Gard. Mag. (London) 17: 320. 1841Taxon for this nameCereus arachnoides Lawr. in Gard. Mag. (London) 17: 320. 1841