The orchid Vanda Cathy Crosby Day is a hybrid registered with the Royal Horticultural Society by B.Lavaud in 2013.
Top three species ancestors and their influences are

• Vanda sanderiana (71.88%)  section: Roeblingiana 
• Vanda curvifolia (18.75%)  section: Ascocentrum 
• Vanda dearei (3.13%)  section: Deltoglossa