CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Simaroubaceae → Quassia
| Taxon name | Status | Median (n) |
| Quassia amara L. | Accepted | 18 |
| Hannoa klaineana Pierre & Engl. | Synonym of Quassia gabonensis Pierre | 15 |