The orchid Cattleya Mrs. Chamberlain Chanler is a hybrid registered with the Royal Horticultural Society by H. in 1922.
Top three species ancestors and their influences are

• Cattleya purpurata (62.50%)  subgenus Crispae  section: Crispae   series: Cattleyodes 
• Cattleya lueddemanniana (25.00%)  subgenus Cattleya  section: Cattleya   series: Lawrenceanae 
• Cattleya warscewiczii (12.50%)  subgenus Cattleya  section: Cattleya