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. Nanga Mai
= Ginger x hartmannii ( has 1 hybrid progeny ) registered: 10/10/2010 by Roper N.Species composition summary:
hartmannii 84.4% fitzgeraldii 9.4% olivaceus 6.3%
Detailed composition:
Sarco. Nanga Mai = Ginger x hartmannii = [Cream Cake x Heidi] x hartmannii
Heidi = Fitzhart x hartmannii = [hartmannii x fitzgeraldii] x hartmannii
Cream Cake = Marion x hartmannii = [Fitzhart x olivaceus] x hartmannii
Fitzhart = hartmannii x fitzgeraldii