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CCDB → Angiosperms → Loganiaceae → Usteria → Usteria guineensis Willd.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Usteria guineensis Willd. | Usteria guineensis Willd. | 22 | Fedorov, 1974 | MiE,ge 1960a |