The orchid Cattleya Summerland Girl is a hybrid registered with the Royal Horticultural Society by Jones & Scully in 1967. It is originated by Bracey
Top three species ancestors and their influences are

• Cattleya tigrina (50.00%)  subgenus Intermediae
• Cattleya dowiana (37.50%)  subgenus Cattleya  section: Cattleya 
• Cattleya tenebrosa (6.25%)  subgenus Crispae  section: Crispae   series: Cattleyodes