BioStor
 | Additional notes on the genus Vitex. VIII H N Moldenke (1968) Phytologia 17: 8-56 |
 | Composition, Origin, and Affinities of the Madagascan Vascular Flora Jean-F Leroy (1978) Annals of the Missouri Botanical Garden 65: 535-589 |
 | The Afrotropical idiocerine leafhoppers (Homoptera: Cicadellidae) M D Webb (1983) Bulletin of the British Museum (Natural History) Entomology 47(3): 211-257 |
 | New species of Commelina (Commelinaceae) from the Flora of Tropical East Africa R B Faden (1994) Novon 4: 224-235 |