The orchid Cattleya Dora (1902) is a hybrid registered with the Royal Horticultural Society by Charlesworth Ltd. in 1902.
Top three species ancestors and their influences are

• Cattleya schroederae (50.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya mossiae (25.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya cinnabarina (25.00%)  subgenus Parviflorae  section: Parviflorae   series: Parviflorae