The orchid Masdevallia Pixie Shadow is a hybrid registered with the Royal Horticultural Society by Orchid Zone in 1994. It is originated by M.Pendleton
Top three species ancestors and their influences are

• Masdevallia infracta (50.00%)  subgenus Polyantha  section: Alaticaules   subsection: Alaticaules 
• Masdevallia schroederiana (50.00%)  subgenus Masdevallia  section: Reichenbachianae