The orchid Cymbidium San Francisco is a hybrid registered with the Royal Horticultural Society by Stewart Inc. in 1956.
Top three species ancestors and their influences are

• Cymbidium lowianum (42.97%)  section: Cyperorchis 
• Cymbidium insigne (34.38%)  section: Cyperorchis 
• Cymbidium eburneum (14.84%)  section: Cyperorchis