The orchid Dendrobium Gracemere is a hybrid registered with the Royal Horticultural Society by Down Under N.O. in 1999.
Top three species ancestors and their influences are

• Dendrobium speciosum (62.50%)
• Dendrobium bigibbum (12.50%)  section: Phalaenanthe 
• Dendrobium fleckeri (12.50%)  section: Dendrocoryne