The orchid Catasetum Mark Dimmitt is a hybrid registered with the Royal Horticultural Society by E.Wise in 2005. It is originated by M.Dimmitt
Top three species ancestors and their influences are

• Catasetum pileatum (37.50%)  subgenus Catasetum  section: Catasetum 
• Catasetum expansum (37.50%)  subgenus Catasetum  section: Catasetum 
• Catasetum tenebrosum (25.00%)  subgenus Catasetum  section: Isoceras   subsection: Convergentes