Catasetum John C. Burchett x Susan Fuchs

this is a complex hybrid, external appearance had high similarity with some variety of susan fuchs.

catasetum (socco x pileatum ) = ctsm Mary Spencer
catasetum Mary Spencer x catasetum imperiale = catasetum Joao Stivali
catasetum Joao Stivali x Susan Fuchs = catasetum John C. Burchett
catasetum Susan Fuchs = ctsm expansum x Orchidglade
and catasetum Orchidglade - ctsm expansum x pileatum