The orchid Catasetum Dona Sonia is a hybrid registered with the Royal Horticultural Society by U.Ferreira in 2021.
Top three species ancestors and their influences are

• Catasetum denticulatum (50.00%)  subgenus Catasetum  section: Isoceras   subsection: Convergentes 
• Catasetum pileatum (25.00%)  subgenus Catasetum  section: Catasetum 
• Catasetum expansum (21.88%)  subgenus Catasetum  section: Catasetum