Calopogon tuberosus
The four species of this family grow in the bogs of northeast America. C. tuberosus is a tall orchid with beautiful pink, upside-down blossoms. It can be cultivated easily in a moist Sphagnum bed.
Comperia comperiana
A bizarre orchid with a forked lip which extends to long strands. Can be found in Greece and the middle east. Only container culture in a permeable mineralic substratum may be of interest.