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
Sarco. Memoria Jim Laurent
= Galaxy x Sweetheart registered: 4/11/2019 by Oesch G.Species composition summary:
hartmannii 68.8% fitzgeraldii 18.8% hirticalcar 6.3% dilatatus 6.3%
Detailed composition:
Sarco. Memoria Jim Laurent = Galaxy x Sweetheart = [Misty x hartmannii] x [Fitzhart x Heidi]
Heidi = Fitzhart x hartmannii = [hartmannii x fitzgeraldii] x hartmannii
Riverdene = hartmannii x hirticalcar
Misty = Aussie Dawn x Riverdene = [hartmannii x dilatatus] x Riverdene
Fitzhart = hartmannii x fitzgeraldii