F. Pupulin, R.L. Dressler & H. Medina. 2009. A revision of the white-flowered species of Chondroscaphe (Orchidaceae: Zygopetalinae). Orchid Digest 73(1): 32—51.

Abstract
The taxonomic history of Chondroscaphe and the Chondrorhyncha bicolor group is summarized. Full description, distribution, ecology and taxonomic discussion are provided for each species, and most taxa are illustrated with one or more composite plates. A new species, C. venezuelana, is described and illustrated from the State of Merida in Venezuela. An artificial key to the white-flowered species of Chondroscaphe is provided.

Key words
Orchidaceae, Zygopetalinae, Chondroscaphe, C. venezuelana, Venezuela, new species

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