To confirm the registration of an Australian native hybrid & view its composition/progeny: (Database as at 1st January 2020 RHS registrations)
For non-Australian Dendrobium hybrids use the Dendrobium Hybrids checklist here
Den. Redback= Kingrose x speciosum registered: 22/04/1991 by Roper N.
ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
speciosum 50.% kingianum 37.5% falcorostrum 12.5%
Den. Redback = Kingrose x speciosum = [Bardo Rose x kingianum] x speciosum
Bardo Rose = falcorostrum x kingianum