It is the same as Masdevallia minuta - just been renamed - and I give it no special treatment. It grows with the other Masdevallias with good humidity, as cool temps as I can give it and what is probably not very good light (I've thought about changing from flourescents to better lighting on the basis of discussions on this board, but if it works why fix it?)
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Ron Hanko
"Orchids are universally acknowledged to rank among the most singular and most modified forms in the vegetable kingdom" - Darwin