To confirm the registration of a Dendrobium hybrid & view its composition/progeny: (Database as at 1 January 2018 RHS registrations)
Den. Pergale= Perfection x Regina ( has 2 hybrid progeny ) registered: 1/01/1969 by Yamamoto, Hirofumi -Yamaoka K.
ANOS judging segment: ANOS exotic (Section Dendrobium )
Species composition summary:
Den. Pergale = Perfection x Regina = [Euryalus x nobile] x [Euryalus x Lady Colman]
Lady Colman = findlayanum x The Gem = findlayanum x [Ainsworthii x heterocarpum]
Euryalus = Ainsworthii x nobile = [heterocarpum x nobile] x nobile
Ainsworthii = heterocarpum x nobile