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CCDB → Angiosperms → Cactaceae → Gymnocalycium → Gymnocalycium ferox (Backeb.) Slaba
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Gymnocalycium ferox (Backeb.) Slaba | Gymnocalycium castellanosii Backeb. | 22 | IPCN online | Till, W. & M. Lambrou. 1998. Karyologie und Evolution der Gattung Gymnocalycium (Cactaceae). Arbeitsgr. Gymnocalycium 11(5): 269–274. |