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. Red River
= Ellen x Tweed ( has 16 hybrid progeny ) registered: 8/10/1990 by Roper N.ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
fleckeri 25.% tetragonum 25.% kingianum 25.% falcorostrum 12.5% speciosum 12.5%
Detailed composition:
Den. Red River = Ellen x Tweed = [kingianum x tetragonum] x [Peter x Sunglow]
Sunglow = speciosum x fleckeri
Peter = fleckeri x falcorostrum