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. Yvette
= Cherie x Fitzhart ( has 21 hybrid progeny ) registered: 5/11/1998 by Roper N. Sarco. Yvette 'The Champ' ACC/ANOS 2010
Species composition summary:
fitzgeraldii 62.5% hartmannii 37.5%
Detailed composition:
Sarco. Yvette = Cherie x Fitzhart = [Fitzhart x fitzgeraldii] x [hartmannii x fitzgeraldii]
Fitzhart = hartmannii x fitzgeraldii