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CCDB → Angiosperms → Cactaceae → Mammillaria → Mammillaria fragilis Salm-Dyck
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Mammillaria fragilis Salm-Dyck | Mammillaria gracilis Pfeiff. | 22 | Fedorov, 1974 | Katagiri 1953 | ||
| ! | Mammillaria fragilis Salm-Dyck | Mammillaria gracilis Pfeiff. | 22 | Fedorov, 1974 | Remski 1954 |