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CCDB → Angiosperms → Simaroubaceae → Quassia → Hannoa klaineana Pierre & Engl.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hannoa klaineana Pierre & Engl. | Quassia gabonensis Pierre | 28 | Fedorov, 1974 | Mangenot S., Mangenot G. 1962 | ||
| ! | Hannoa klaineana Pierre & Engl. | Quassia gabonensis Pierre | 30 | Fedorov, 1974 | Mangenot S., Mangenot G. 1957 | ||
| ! | Hannoa klaineana Pierre & Engl. | Quassia gabonensis Pierre | 30 | Cave1957 | Mangenot & Mangenot |