The orchid Dendrobium Cosmic Gold is a hybrid registered with the Royal Horticultural Society by D.F.Butler in 2009.
Top three species ancestors and their influences are

• Dendrobium speciosum (87.50%)
• Dendrobium tetragonum (6.25%)  section: Dendrocoryne 
• Dendrobium fleckeri (3.13%)  section: Dendrocoryne