The orchid Dendrobium Mega is a hybrid registered with the Royal Horticultural Society by N.Finch in 1998.
Top three species ancestors and their influences are

• Dendrobium speciosum (37.50%)
• Dendrobium bigibbum (25.00%)  section: Phalaenanthe 
• Dendrobium fleckeri (25.00%)  section: Dendrocoryne