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
Den. Topaz Dream= Fantasy Land x bigibbum ( has 4 hybrid progeny ) registered: 14/05/2002 by Full Sun O.
ANOS judging segment: Australian (Section Phalaenanthe / Spatulata )
Species composition summary:
Den. Topaz Dream = Fantasy Land x bigibbum = [Cherry Dance x bigibbum] x bigibbum
Rosy Tips = canaliculatum x bigibbum
Cherry Dance = bigibbum x Rosy Tips