The orchid Vanda Thonglorsand is a hybrid registered with the Royal Horticultural Society by T.Orchids in 1982.
Top three species ancestors and their influences are

• Vanda sanderiana (89.06%)  section: Roeblingiana 
• Vanda coerulea (9.38%)  section: Longicalcarata 
• Vanda luzonica (1.56%)  section: Deltoglossa