The orchid Dendrobium Tay Swee Keng is a hybrid registered with the Royal Horticultural Society by Koh Keng Hoe in 1975.
Top three species ancestors and their influences are

• Dendrobium bigibbum var. superbum (50.78%)
• Dendrobium bigibbum (18.75%)  section: Phalaenanthe 
• Dendrobium gouldii (12.50%)  section: Spatulata