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
Plectorrhiza erectaspecies ( has 3 hybrid progeny ) described: 1967 by (Fitzg.) Dockrill
Link to POWOP for this species (Plants of the World Online Portal- RBG, Kew) Select the POWOP result for distribution, synonyms, bibliography...