Walters, G., Dauby, G., Stévart, T., Dessein, S., Niangadouma, R. & Lachenaud, O. (2011). Novitates Gabonenses 80. Additions and corrections to the flora of Gabon. Edinburgh Journal of Botany 68: 423-442.
Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo). Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Harris, D.J. (2002). The vascular plants of the Dzanga-Sangha Reserve, Central African Republic: 1-274. National Botanic Garden (Belgium), Meise.
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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