The orchid Cattleya President Wilson (1918) is a hybrid registered with the Royal Horticultural Society by Armstrong/Brown in 1918.
Top three species ancestors and their influences are

• Cattleya dowiana (87.50%)  subgenus Cattleya  section: Cattleya 
• Cattleya xanthina (12.50%)  subgenus Crispae  section: Crispae   series: Cattleyodes