The orchid Masdevallia Heathii is a hybrid registered with the Royal Horticultural Society by Heath in 1899.
Top three species ancestors and their influences are

• Masdevallia ignea (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Caudatae 
• Masdevallia veitchiana (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Coccineae