The orchid Cattleya Firefly (1930) is a hybrid registered with the Royal Horticultural Society by Armstrong/Brown in 1930.
Top three species ancestors and their influences are

• Cattleya harpophylla (75.00%)  subgenus Parviflorae  section: Harpophyllae   series: Parviflorae 
• Cattleya cinnabarina (25.00%)  subgenus Parviflorae  section: Parviflorae   series: Parviflorae