The orchid Cymbidium Magna Charta is a hybrid registered with the Royal Horticultural Society by H.W.B.Schroder in 1961.
Top three species ancestors and their influences are

• Cymbidium insigne (34.38%)  section: Cyperorchis 
• Cymbidium lowianum (21.88%)  section: Cyperorchis 
• Cymbidium hookerianum (12.50%)  section: Cyperorchis