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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia fragilis (Nutt.) Haw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 33 | Baker, 2009 | |||
| Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 66 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 33 | 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 fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 33 | IPCN75-78 | Pinkava et al. 1977 | ||
| ! | Opuntia drummondii Graham | Opuntia fragilis (Nutt.) Haw. | 44 | 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. | ||
| ! | Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 66 | eFlora | |||
| ! | Opuntia pusilla (Haw.) Haw. | Opuntia fragilis (Nutt.) Haw. | 44 | eFlora | |||
| ! | Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 66 | Fedorov, 1974 | Bowden 1945a | ||
| ! | Opuntia fragilis (Nutt.) Haw. | Opuntia fragilis (Nutt.) Haw. | 66 | Darlington, 1955 | Bowden 1945a |