The orchid Phalaenopsis Billy Wang is a hybrid registered with the Royal Horticultural Society by R.Ang Chee Soong in 2004.
Top three species ancestors and their influences are

• Phalaenopsis violacea (37.50%)  subgenus Polychilos  section: Zebrinae 
• Phalaenopsis mannii (25.00%)
• Phalaenopsis micholitzii (25.00%)  subgenus Polychilos  section: Amboinenses