Rubiaceae | |
Paraknoxia parviflora
| (Stapf ex Verdc.) Bremek. | Kew Bull. 8: 439 | 1953 |
Rubiaceae | |
Paraknoxia parviflora
| (Stapf ex Verdc.) Verdc. | Bull. Jard. Bot. État Bruxelles 22: 265 | 1952 |
Rubiaceae | |
Paraknoxia ruziziensis
| Bremek. | Bull. Jard. Bot. État Bruxelles 22: 77 | 1952 |