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. Space Oddity = Tyabb x kingianum Registration: 2014 by Edwards L.A.
Jean Genie = Kingfisher Snowdrop 2019 Brackin R. & K.
speciosum = Kingfisher Pearl 2019 Brackin R. & K.