The orchid Vanda Pakchong Smile is a hybrid registered with the Royal Horticultural Society by Kultana in 2002. It is originated by U-SA Orchids
Top three species ancestors and their influences are

• Vanda coerulea (50.78%)  section: Longicalcarata 
• Vanda sanderiana (28.13%)  section: Roeblingiana 
• Vanda curvifolia (12.50%)  section: Ascocentrum