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. Ailsa= Dove x Heidi ( has 2 hybrid progeny ) registered: 23/05/2013 by Roper N.
Species composition summary:
Sarco. Ailsa = Dove x Heidi = [Melody x hartmannii] x [Fitzhart x hartmannii]
Fitzhart = hartmannii x fitzgeraldii
Melody = Melba x fitzgeraldii = [hartmannii x falcatus] x fitzgeraldii