Cereus niger var. gracilior Salm-Dyck, Hort. Dyck.: 63. 1834 Cereus niger var. gracilior Salm-Dyck, Hort. Dyck.: 63. 1834Taxon for this nameCereus niger var. gracilior Salm-Dyck, Hort. Dyck.: 63. 1834
