The orchid Vanda Happy Smile is a hybrid registered with the Royal Horticultural Society by R.F.Orchids in 1999. It is originated by Kultana
Top three species ancestors and their influences are

• Vanda insignis (50.00%)  section: Deltoglossa 
• Vanda sanderiana (37.50%)  section: Roeblingiana 
• Vanda dearei (6.25%)  section: Deltoglossa