Restrepia sanguinea 'Walter'

This plant was awarded by the American Orchid Society as Restrepia sanguinea but I've been told it's actually Restrepia guttulata.  If it is the latter species it is from Colombia, Ecuador, Peru and Venezuela.  The plant is about 10 cm tall and the flowers are 5 cm from tip to tip.  My plant is grown in a plastic net pot in sphagnum moss and is very easy to grow.