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CCDB → Angiosperms → Cactaceae → Thelocactus → Thelocactus bicolor (Galeotti) Britton & Rose
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Thelocactus bicolor var. bicolor | Thelocactus bicolor (Galeotti) Britton & Rose | 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. | |||
| Thelocactus bicolor var. bicolor | Thelocactus bicolor (Galeotti) Britton & Rose | 44,22 | IPCN online | Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537. | |||
| ! | Thelocactus bicolor (Galeotti) Britton & Rose | Thelocactus bicolor (Galeotti) Britton & Rose | 22 | eFlora | |||
| Thelocactus bicolor var. bicolor | Thelocactus bicolor (Galeotti) Britton & Rose | 22 | eFlora | ||||
| ! | Thelocactus bicolor (Galeotti) Britton & Rose | Thelocactus bicolor (Galeotti) Britton & Rose | 22 | Darlington, 1955 | Beard 1937 |