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. Tuross
= Topaz x Kunama ( has 1 hybrid progeny ) registered: 10/10/2014 by Roper N.Species composition summary:
hartmannii 68.8% fitzgeraldii 17.2% spathulatus 12.5% ceciliae 1.6%
Detailed composition:
Sarco. Tuross = Topaz x Kunama = [Perky x hartmannii] x [Snowhart x Fairy]
Fairy = Highton Magic x Fitzhart = [Pinkhart x fitzgeraldii] x [hartmannii x fitzgeraldii]
Snowhart = Cherie Snow x hartmannii = [Cherie x hartmannii] x hartmannii
Perky = hartmannii x spathulatus
Pinkhart = Lois x hartmannii = [ceciliae x hartmannii] x hartmannii
Cherie = Fitzhart x fitzgeraldii = [hartmannii x fitzgeraldii] x fitzgeraldii