Fischer, E. (1999) Scrophulariaceae Flore d'Afrique Centrale (Congo-Kinshasa, Rwanda & Burundi) Jardin Botanique National de Belgique, Bruxelles
| Species | FZ divisions | Content |
| ovata Benth. | N,W,C,E,S | Description, Image |
| petiolaris Benth. | W,S | Description |
| tenella Hemsl. | C,E,S | Description, Image |