Odontoglossum costatum Odontoglossum divaricatum Oncidium costatum Oncidium divaricatum Oncidium refractum Cyrtochilum costatum Cyrtochilum mandibulare Cyrtochilum refractum Oncidium mandibulare
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024