The orchid Cymbidium Nagalex is a hybrid registered with the Royal Horticultural Society by Nagano in 1964.
Top three species ancestors and their influences are

• Cymbidium goeringii (50.00%)  section: Jensoa 
• Cymbidium insigne (25.00%)  section: Cyperorchis 
• Cymbidium eburneum (12.50%)  section: Cyperorchis