| Peridiscaceae | |
Soyauxia bipindensis
| Gilg ex Hutch. & Dalziel | Fl. W. Trop. Afr. 1(1): 170 | 1927 |
| Peridiscaceae | |
Soyauxia floribunda
| Hutch. | Kew Bull. 44 | 1915 |
| Peridiscaceae | |
Soyauxia gabonensis
| Oliv. | Hooker's Icon. Pl. 14: 73, pl. 1393 | 1882 |
| Peridiscaceae | |
Soyauxia glabrescens
| Engl. | Bot. Jahrb. Syst. 14(4): 390 | 1891 |
| Peridiscaceae | |
Soyauxia grandifolia
| Gilg & Stapf | J. Linn. Soc., Bot. 37: 102 | 1905 |
| Peridiscaceae | |
Soyauxia laxiflora
| Gilg ex Hutchinson | | |
| Peridiscaceae | |
Soyauxia talbotii
| Baker f. | J. Bot. 52: 4 | 1914 |
| Peridiscaceae | |
Soyauxia velutina
| Hutch. & Dalziel | Fl. W. Trop. Afr. 1: 170 | 1927 |