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. Song Bird
= Dove x River Song registered: 13/11/2006 by Roper N.Species composition summary:
hartmannii 50.% fitzgeraldii 25.% hirticalcar 12.5% falcatus 12.5%
Detailed composition:
Sarco. Song Bird = Dove x River Song = [Melody x hartmannii] x [Melody x Riverdene]
Riverdene = hartmannii x hirticalcar
Melody = Melba x fitzgeraldii = [hartmannii x falcatus] x fitzgeraldii
Melba = hartmannii x falcatus