Wilson, M. and Jost, L. (2011) “Phylogenetic analysis of the Andean genus Brachycladium Luer (syn. Oreophilus Higgins & Archila) and closely related genera based on nuclear ITS sequencing”, Lankesteriana: International Journal on Orchidology, 11(3). doi: 10.15517/lank.v11i3.18305.