The orchid Oncidium Saint Clement is a hybrid registered with the Royal Horticultural Society by E.E.Young in 1984.
Top three species ancestors and their influences are

• Oncidium alexandrae (57.23%)
• Oncidium nobile (10.94%)  subgenus Odontoglossum
• Oncidium harryanum (9.57%)  subgenus Nevadensia