are Pleurothallis and Odontioda both types are orchids?
Odontioda Odontioda is a nothogenus of hybrid orchids, for plants produced by crosses between the genera "Odontoglossum" and "Cochlioda". Typically they prefer warmer temperatures and indirect sunlight.
Platanthera obtusata Platanthera obtusata, common name blunt-leaved orchid or small northern bog orchid, is a small species of orchid in the genus "Platanthera". It widespread across much of the colder regions of the Northern Hemisphere, though rare in some parts of its range. Two subspecies are recognized: