Williams, Norris H., University of Florida, Florida Museum of Natural History. Gainesville FL 32611-7800. USA., United States

• Lankesteriana: International Journal on Orchidology 2003: Lankesteriana: Volumen 3, Número 2 - Artículos
  Molecular phylogenetics and generic concepts in the Maxillarieae (Orchidaceae)
  Resumen  PDF