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CCDB → Angiosperms → Cactaceae → Ferocactus → Ferocactus fordii (Orcutt) Britton & Rose
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Ferocactus fordii (Orcutt) Britton & Rose | Ferocactus fordii (Orcutt) Britton & Rose | 22 | IPCN online | Das, A. B., S. Mohanty & P. Das. 1999. 4C DNA variations and karyotype diversity in nine species of Ferocactus B. & R. Cytologia 64: 17–24. | |||
| Ferocactus fordii (Orcutt) Britton & Rose | Ferocactus fordii (Orcutt) Britton & Rose | 22 | IPCN online | Das, A. B. & P. Das. 1999. Karyotype diversity and 4C DNA in nine species of Ferocactus B. & R. Proc. Indian Sci. Congr. Assoc. 86(3,IV): 93. | |||
| ! | Ferocactus fordii var. fordii | Ferocactus fordii (Orcutt) Britton & Rose | 11 | IPCN73-74 | PINKAVA, D.J., M.G. MCLEOD, L.A. MCGILL, & R.C. BROWN. 1973. Chromosome numbers in some cacti of western North America-II. Brittonia 25: 2-9. |