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CCDB → Angiosperms → Cactaceae → Cylindropuntia → Cylindropuntia × tetracantha (Toumey) F. M. Knuth
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Opuntia kleiniae var. tetracantha (T. (. S. )) W. T. Marshall | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | 11 | IPCN online | Pinkava, D. J., M. A. Baker, B. D. Parfitt, M. W. Mohlenbrock & R. D. Worthington. 1985. Chromosome numbers in some cacti of western North America-V. Syst. Bot. 10: 471–483. | ||
| ! | Opuntia kleiniae var. tetracantha (T. (. S. )) W. T. Marshall | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | 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 kleiniae var. tetracantha (T. (. S. )) W. T. Marshall | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | 11 | IPCN75-78 | Pinkava et al. 1977 | ||
| ! | Opuntia kleiniae var. tetracantha (T. (. S. )) W. T. Marshall | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | 66 | IPCN73-74 | YUASA, H., H. SHIMIZU, S. KASHIWAI, & N. KONDO. 1974. Chromosome numbers and their bearing on the geographic distribution in the subfamily Opuntioideae (Cactaceae). Rep. Inst. Breed. Research, Tokyo Univ. Agri. No. 4: 1-10. | ||
| ! | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | Cylindropuntia × tetracantha (Toumey) F. M. Knuth | 22 | eFlora |