The orchid Disa Hilda Parkinson is a hybrid registered with the Royal Horticultural Society by D.Parkinson Plants in 2006.
Top three species ancestors and their influences are

• Disa uniflora (71.88%)  section: Disa 
• Disa cardinalis (25.00%)  section: Disa 
• Disa racemosa (3.13%)  section: Disa