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. Aussie Child
= Hilda Poxon x Aussie Spectrum ( has 7 hybrid progeny ) registered: 1/01/1986 by Spence P.ANOS judging segment: Australian (Section Dendrocoryne ) Den. Aussie Child 'Avril' HCC-AD/AOC 1990

Species composition summary:
speciosum 50.% tetragonum 25.% falcorostrum 12.5% fleckeri 12.5%
Detailed composition:
Den. Aussie Child = Hilda Poxon x Aussie Spectrum = [speciosum x tetragonum] x [Peter x speciosum]
Peter = fleckeri x falcorostrum