| Name | Opuntia phaeacantha var. laevis (J. M. Coulter) L. D. Benson |
| Authorship | (J. M. Coulter) L. D. Benson |
| Rank | Variety |
| Placed in | Opuntia phaeacantha Engelmann |
| Citation | 1969 Cacti Ariz. 21 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Opuntia phaeacantha var. laevis (J. M. Coulter) L. D. Benson |
| Identification made in | [no date] (5) |
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