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. Memoria Doug Abell= Cherie x Peter Jackson ( has 1 hybrid progeny ) registered: 5/10/2011 by Abell G. -Jackson P.L.
Species composition summary:
Sarco. Memoria Doug Abell = Cherie x Peter Jackson = [Fitzhart x fitzgeraldii] x [Burgundy on Ice x fitzgeraldii]
Fitzhart = hartmannii x fitzgeraldii
Burgundy on Ice = Judith x Fitzhart = [Melba x Fitzhart] x [hartmannii x fitzgeraldii]
Melba = hartmannii x falcatus