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
Den. Gai Ellen= Ellen x Ku-Ring-Gai ( has 9 hybrid progeny ) registered: 25/11/1992 by Skillicorn W. -Russell K.
ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
Den. Gai Ellen = Ellen x Ku-Ring-Gai = [kingianum x tetragonum] x [tetragonum x X delicatum]
X delicatum = kingianum x speciosum