The orchid Dendrobium Kalagas is a hybrid registered with the Royal Horticultural Society by Bee Lian in 1989. It is originated by K.Kamiya
Top three species ancestors and their influences are

• Dendrobium stratiotes (62.50%)  section: Spatulata 
• Dendrobium bigibbum var. schroederianum (15.63%)
• Dendrobium bigibbum (6.25%)  section: Phalaenanthe