| Name | Cleistocactus smaragdiflorus (F. A. C. Weber) Britton & Rose |
| Authorship | (F. A. C. Weber) Britton & Rose |
| Rank | Species |
| Placed in | Cleistocactus Lemaire |
| Citation | 1920. (9 Sep 1920) Cactaceae (Britton & Rose) 2: 174–175, f. 248 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Cleistocactus smaragdiflorus (F. A. C. Weber) Britton & Rose |
| Identification made in | [no date] (5) |