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

• Dendrobium bigibbum var. superbum (45.31%)
• Dendrobium gouldii (25.00%)  section: Spatulata 
• Dendrobium lineale (25.00%)  section: Spatulata