Online ressources

Govaerts, R., Campaccil, M.A., Baptista, D.H., Cribb, P.J., George, A., Kreuz, K. & Wood, J. (2008) World Checklist of Orchidaceae. The Board of Trustees of the Royal Botanic Gardens, Kew. http://www.kew.org/wcsp/ [accessed on 02 January 2010].

Hubert KURZWEIL & John C. MANNING A synopsis of the genus Disperis Sw. (Orchidaceae) ADANSONIA, sér. 3 • 2005 • 27 (2) : 155-207 © Publications Scientifiques du Muséum national d’Histoire naturelle, Paris.

K.M. Cameron, M.W. Chase, W.M. Whitten, P.J. Kores, D.C. Jarrell, V.A. Albert, T. Yukawa, H.G. Hills & D.H. Goldman}}, 1999: A phylogenetic analysis of the Orchidaceae: evidence from rbcL nucleotide sequences

Botanical Journal of the Linnean Society 141: 399-436 (Available online: Abstract | Full text (HTML) | Full text (PDF))

M.W. Chase, 2005: DNA data and Orchidaceae systematics: A new phylogenetic classification

MARIAAN E. PONSIE Systematics of Bonatea (Orchidaceae): Species Boundaries and Phylogeny, School of Biological and Conservation Sciences University of KwaZulu-Natal Pietermaritzburg 2006