The orchid Masdevallia davisii-notosibirica is a hybrid . This orchid hybrid lacks official registration. The name is an internal designation created within the orchidroots system.
Top three species ancestors and their influences are

• Masdevallia davisii (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Coccineae 
• Masdevallia notosibirica (50.00%)  subgenus Masdevallia  section: Masdevallia   subsection: Saltatrices