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
Plrhz. Olga = tridentata x erecta Registration: 2019 by Clarke T. -Finch N.
Peristeranthus hillii = Prshz. Surreal 2019 Clarke T.