The orchid Phalaenopsis Mainshow Green Monster is a hybrid registered with the Royal Horticultural Society by Mainshow in 2021.
Top three species ancestors and their influences are

• Phalaenopsis gigantea (50.00%)  subgenus Polychilos  section: Amboinenses 
• Phalaenopsis amboinensis (20.31%)  subgenus Polychilos  section: Amboinenses 
• Phalaenopsis violacea (18.75%)  subgenus Polychilos  section: Zebrinae