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. Flute= Angellene x speciosum ( has 2 hybrid progeny ) registered: 16/10/2000 by Roper N.
ANOS judging segment: Australian (Section Dendrocoryne / Phalaenanthe )
Species composition summary:
Den. Flute = Angellene x speciosum = [Aussie Angel x Ellen] x speciosum
Ellen = kingianum x tetragonum
Aussie Angel = Aussie Ira x bigibbum = [Ellen x tetragonum] x bigibbum