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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia stenopetala Engelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Opuntia stenopetala Engelm. | Opuntia stenopetala Engelm. | 11 | IPCN online | Pinkava, D. J., L. A. MCGILL & T. REEVES. 1977. Chromosome numbers in some cacti of western North America---III. Bull. Torrey Bot. Club 104: 105–110. | |||
| Opuntia stenopetala Engelm. | Opuntia stenopetala Engelm. | 11 | IPCN75-78 | Pinkava et al. 1977 |