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
Sarco. Joyful Cherie
= Cherie x Cherie's Joy ( has 1 hybrid progeny ) registered: 18/05/2014 by Hockey P.J. -o/uSpecies composition summary:
fitzgeraldii 68.8% hartmannii 25.% falcatus 6.3%
Detailed composition:
Sarco. Joyful Cherie = Cherie x Cherie's Joy = [Fitzhart x fitzgeraldii] x [Cherie x Melody]
Melody = Melba x fitzgeraldii = [hartmannii x falcatus] x fitzgeraldii
Cherie = Fitzhart x fitzgeraldii = [hartmannii x fitzgeraldii] x fitzgeraldii
Fitzhart = hartmannii x fitzgeraldii