The orchid Disa Frieda Duckitt is a hybrid registered with the Royal Horticultural Society by S.& M.Cywes in 1992.
Top three species ancestors and their influences are

• Disa uniflora (87.50%)  section: Disa 
• Disa racemosa (6.25%)  section: Disa 
• Disa cardinalis (6.25%)  section: Disa