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CCDB → Angiosperms → Cactaceae → Ferocactus → Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Ferocactus hamatacanthus var. hamatacanthus | Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose | 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. | |||
| ! | Ferocactus hamatacanthus var. hamatacanthus | Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose | 22 | IPCN75-78 | Weedin & Powell 1978a | ||
| Ferocactus hamatacanthus var. hamatacanthus | Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose | 22 | eFlora |