| Name | Cactus lasiacanthus var. denudatus (Engelmann) J. M. Coulter |
| Authorship | (Engelmann) J. M. Coulter |
| Rank | Variety |
| Placed in | Cactus lasiacanthus (Engelmann) Kuntze |
| Citation | 1894 Contr. U.S. Natl. Herb. 3(2): 100 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cactus lasiacanthus var. denudatus (Engelmann) J. M. Coulter |
| Identification made in | [no date] (1) |