Calderon, E. (recopilador) 1997. Lista de plantas Colombianas en peligro. July 1997 Version. Instituto de Investigacino de Recursos Biologicas Alexander von Humboldt. (inèdita). (castellà)
Hekking, W.H.A. 1988. Violaceae Part 1 - Rinorea and Rinoreocarpus. Flora Neotropica. Monograph 46. The New York Botanical Garden, New York. (anglès)
Oldfield, S., Lusty, C. and MacKinven, A. (recopiladors). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK. (anglès)
The Nature Conservancy. 1996. Natural Heritage Central Database. (Status and distribution data on Latin American plants, developed in collaboration with Latin American Conservation Data Centers and Missouri Botanical Garden). (anglès)