The orchid Masdevallia Angel Blush is a hybrid registered with the Royal Horticultural Society by Ray Thomson in 1991.
Top three species ancestors and their influences are

• Masdevallia veitchiana (25.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Coccineae 
• Masdevallia strobelii (25.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Saltatrices 
• Masdevallia yungasensis (25.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Masdevallia