To confirm the registration of a Dendrobium hybrid & view its composition/progeny: (Database as at 1 January 2018 RHS registrations)
Den. Tan Chye Siam = lineale x lasianthera Registration: 1949 by Singapore Bot. Gdns
442nd Infantry = Frederick Devereux 1955 Devereux D. & J. -Sideris
Dang Toi = Tan Seah Boey 1964 Tan Chye Siam
helix = Hamlyn Double Helix 2012 Hamilton, Claude -O/U
leporinum = Joseph Tie Camen 1964 Tie
Liholiho = Carla Ching 1968 Inouye Y.
Louisae = Jean Heal 1961 Singapore Orchids
Pauline = Ang Swee Kim 1956 Singapore Bot. Gdns
stratiotes = Beatrice Krauss 1958 Kirsch O.
taurinum = Dean Keller 1957 Inouye Y.
Ursula = Tan Teo Kim 1960 Tan Teo Kim