The orchid Phalaenopsis Be Tris is a hybrid registered with the Royal Horticultural Society by Krull-Smith in 1989.
Top three species ancestors and their influences are

• Phalaenopsis equestris (78.13%)  subgenus Phalaenopsis  section: Stauroglottis 
• Phalaenopsis stuartiana (12.50%)  subgenus Phalaenopsis  section: Phalaenopsis 
• Phalaenopsis amabilis subsp. amabilis (3.42%)