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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson | Opuntia polyacantha Haw. | 22 | IPCN online | WEEDIN, J. F., A. M. Powell & D. O. Kolle. 1989. Chromosome numbers in Chihuahuan Desert Cactaceae. II. Trans-Pecos Texas. S. W. Naturalist 34: 160–164. | ||
| ! | Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson | Opuntia polyacantha Haw. | 22 | IPCN online | Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537. | ||
| ! | Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson | Opuntia polyacantha Haw. | 22 | IPCN75-78 | Weed in & Powell 1978a | ||
| ! | Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson | Opuntia polyacantha Haw. | 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. |