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. Bunyip= Heidi x Karen Ann ( has 23 hybrid progeny ) registered: 3/05/2011 by Barrita -Whitney J.K.
Species composition summary:
Sarco. Bunyip = Heidi x Karen Ann = [Fitzhart x hartmannii] x [hartmannii x Dove]
Dove = Melody x hartmannii = [Melba x fitzgeraldii] x hartmannii
Fitzhart = hartmannii x fitzgeraldii
Melba = hartmannii x falcatus