The orchid Paphiopedilum Michael Koopowitz is a hybrid registered with the Royal Horticultural Society by Paphanatics in 1993.
Top three species ancestors and their influences are

• Paphiopedilum philippinense (50.00%)  subgenus Polyantha  section: Mastigopetalum 
• Paphiopedilum sanderianum (50.00%)  subgenus Polyantha  section: Mastigopetalum