References
- Brieger F. G. 1983. Subtribus Sobraliinae. In: F. G. Brieger, R. Maatsch & K. Senghas (eds.). R. Schlechter, Die Orchideen, I, 13: 780-800. Lieferung, Verlag Paul Parey, Berlin & Hamburg.
- Felsenstein J. 1985. Confidence limits on phylogenies: An approach using the bootstrap. Evolution 39: 783-791.
- Fitch W. M. 1971. Towards defining the course of evolution: Minimum change for a specific tree topology. Systematic Zoology 20: 406-416.
- Galtier N., Gouy M. & Gautier C. 1996. SeaView and Phylo_win, two graphic tools for sequence alignment and molecular phylogeny. Comput. Applic. Biosci 12: 543-548.
- Lindley J. 1854. Folia Orchidacea: Sobralia. In: J. Mathews (ed.). London.
- Pijl L. van der & Dodson C. H. 1966. Orchid flowers. Their pollination and evolution. 214 pp. University of Miami Press.
- Pridgeon A. M., Cribb P. J., Chase M. W. & Rasmussen F. (eds). 2005. Genera Orchidacearum. Vol. 4. Oxford University Press, Oxford.
- Swofford D. L. 2000. PAUP*: Phylogenetic Analysis Using Parsimony (*and Other Methods). Version 4.0b2. Sinauer Associates, Sunderland MA.
- Thompson J. D., Gibson T. J., Plewniak F., Jeanmougin F. & Higgins D. G. 1997. The ClustalX windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nuclei Acids Research 24: 4876-4882.