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. Jaydee= Fitzhart x Fizzy Dove ( has 2 hybrid progeny ) registered: 13/11/2007 by Doney J.
Species composition summary:
Sarco. Jaydee = Fitzhart x Fizzy Dove = [hartmannii x fitzgeraldii] x [Dove x Fitzhart]
Fitzhart = hartmannii x fitzgeraldii
Dove = Melody x hartmannii = [Melba x fitzgeraldii] x hartmannii
Melba = hartmannii x falcatus