The orchid Cattleya Pavlova is a hybrid registered with the Royal Horticultural Society by Alexander in 1939.
Top three species ancestors and their influences are

• Cattleya mossiae (68.75%)  subgenus Cattleya  section: Cattleya 
• Cattleya lueddemanniana (25.00%)  subgenus Cattleya  section: Cattleya   series: Lawrenceanae 
• Cattleya intermedia (6.25%)  subgenus Intermediae