To confirm the registration of a Dendrobium hybrid & view its composition/progeny: (Database as at 1 January 2018 RHS registrations)
Den. Top Hat= Anouk x phalaenopsis ( has 13 hybrid progeny ) registered: 1/01/1956 by McCoy, Mrs L.
ANOS judging segment: Australian (Section Phalaenanthe / Spatulata )
Species composition summary:
Den. Top Hat = Anouk x phalaenopsis = [Pompadour x phalaenopsis] x phalaenopsis
X superbiens = bigibbum x discolor
Pompadour = Louis Bleriot x phalaenopsis = [schroederianum x X superbiens] x phalaenopsis