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. Annie
= Opal x spathulatus registered: 14/11/2002 by Roper N.Species composition summary:
spathulatus 56.3% fitzgeraldii 25.% hartmannii 18.8%
Detailed composition:
Sarco. Annie = Opal x spathulatus = [Topaz x fitzgeraldii] x spathulatus
Topaz = Perky x hartmannii = [hartmannii x spathulatus] x hartmannii