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. Lynette Banks
= Eureka x speciosum ( has 20 hybrid progeny ) registered: 1/01/1983 by Banks, DavidANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
speciosum 50.% fleckeri 25.% jonesii 25.%
Detailed composition:
Den. Lynette Banks = Eureka x speciosum = [fleckeri x jonesii] x speciosum