To confirm the registration of an Australian native hybrid & view its composition/progeny: (Database as at 1st April 2018 RHS registrations)
For non-Australian Dendrobium hybrids use the Dendrobium Hybrids checklist here
Sarco. Harley= Molly x Fitzhart registered: 21/09/2017 by Doney J.
Species composition summary:
Sarco. Harley = Molly x Fitzhart = [Dove x Jeanne] x [hartmannii x fitzgeraldii]
Jeanne = Weinhart x Fitzhart = [hartmannii x weinthalii] x [hartmannii x fitzgeraldii]
Dove = Melody x hartmannii = [Melba x fitzgeraldii] x hartmannii
Melba = hartmannii x falcatus