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CCDB → Angiosperms → Cactaceae → Echinocactus → Echinocactus grusonii Hildm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echinocactus grusonii Hildm. | Echinocactus grusonii Hildm. | 22 | Fedorov, 1974 | Katagiri 1953 | |||
| ! | Echinocactus grusonii Hildm. | Echinocactus grusonii Hildm. | 22 | Darlington, 1955 | Katagiri 1952 |