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
Plchs. Scallywag= Sarco. Duno Nickys Twin x Plectorrhiza tridentata registered: 16/03/2017 by Butler D.F.
Species composition summary:
Plchs. Scallywag = Sarco. Duno Nickys Twin x Plectorrhiza tridentata = [Sarco. Nicky x Sarco. Fitzhart] x Plrhz. tridentata
Sarco. Fitzhart = hartmannii x fitzgeraldii
Sarco. Nicky = fitzgeraldii x hirticalcar