Szlachetko, D. L. & P. Baranow (2013). New species of Palmorchis Barb. Rodr. (Orchidaceae) from Colombia. Candollea 68: 105–113. In English, English and French abstract.
Five new species of Palmorchis Barb. Rodr. (Orchidaceae, Vanilloideae) from Colombia, Palmorchis carlos-parrae Szlach. & Baranow, Palmorchis fractiflexa Szlach. & Baranow, Palmorchis maculata Szlach. & Baranow, Palmorchis misas-urretae Szlach. & Baranow and Palmorchis valdiviesoana Szlach. & Baranow, are described and illustrated. Diagnostic characters of the new taxa are compared with the closely related species in Colombia and an identification key is proposed. Ecology, habitat and distribution data for these taxa are also given.