Ordoñez, S. L.; Pillacela, D. P.; Salazar, J. M.; Peña, D. F. Specificity of the Mycorrhizal Fungus (Rhizoctonia sp.) in Phalaenopsis sp., Cymbidium sp., Trichoceros Antenifer, Oncidium Excavatum, and Cyrtochilum Sp. MSKN 2016, 7, 83-87.