| Quassia africana (Baill.) Baill. | J. P. Chapin 560 | Democratic Republic of the Congo. Lukolela, on middle Congo, River. | | 04822667 |  |
| Quassia africana (Baill.) Baill. | J. Louis 290 | Democratic Republic of the Congo. km. 6 de la route Yangambi - Ngazi à l'W. | | 4822668 |  |
| Quassia africana (Baill.) Baill. | J. Lebrun 6724 | Democratic Republic of the Congo. Mushié, Lac Léopold II. | | 4822670 |  |
| Quassia africana (Baill.) Baill. | J. Lebrun 6201 | Democratic Republic of the Congo. Katakokombe. | | 4822672 |  |
| Quassia africana (Baill.) Baill. | J. M. Reitsma 2089 | Gabon. Secondarized forest along the road to cocobeach, ca 10 km S of this place. | | 4822671 |  |
| Quassia africana (Baill.) Baill. | F. J. Breteler 15017 | Gabon. Ogooué-Lolo. Makande surroundings, c. 65 km SSW of Booué. | | 4822674 |  |
| Quassia africana (Baill.) Baill. | M. S. M. Sosef 2041 | Gabon. Ogooué-Lolo. c. 25 km E of Lastoursville, Chantier forestier CEB Bambidie, on Sentier Forestier. | | 4822675 |  |
| Quassia africana (Baill.) Baill. | J. J. F. E. de Wilde 10431 | Gabon. 25 km on the road Lebamba - Yéno. | | 4822673 |  |
| Quassia africana (Baill.) Baill. | J. M. Reitsma 806 | Gabon. Near Sablière, ca. 4 km. N. of Libreville. | | 4822669 |  |