The orchid Phalaenopsis Memoria Hans-Werner Pelz is a hybrid registered with the Royal Horticultural Society by O.Gruss in 2003. It is originated by H-W.Pelz
Top three species ancestors and their influences are

• Phalaenopsis equestris (50.00%)  subgenus Phalaenopsis  section: Stauroglottis 
• Phalaenopsis pulchra (50.00%)  subgenus Polychilos  section: Amboinenses