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. X delicatum
= kingianum x speciosum ( has 36 hybrid progeny ) registered: 1/01/1884 by Bailey F.M.ANOS judging segment: (Section ) Den. X delicatum ?Cathy? ACC/ANOS 2014

Species composition summary:
Detailed composition:
Den. X delicatum = kingianum x speciosum