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. Nickys Twin Bees= Duno Nickys Twin x hartmannii ( has 3 hybrid progeny ) registered: 9/11/2012 by Down Under N.O.
Species composition summary:
hartmannii 62.5% fitzgeraldii 25.% hirticalcar 12.5%
Sarco. Nickys Twin Bees = Duno Nickys Twin x hartmannii = [Nicky x Fitzhart] x hartmannii
Fitzhart = hartmannii x fitzgeraldii
Nicky = fitzgeraldii x hirticalcar