1979
Photographed at the Royal Botanic Gardens, Kew.

1979
Photographed at Shinfield Grange, University of Reading.

6th September 2009
Photographed at the Royal Horticultural Society's garden, Rosemoor.

5th September 2010
Photographed at the Royal Horticultural Society's garden, Rosemoor.

15th May 2010
Photographed at the Royal Horticultural Society's garden, Rosemoor.

15th May 2010
Photographed at the Royal Horticultural Society's garden, Rosemoor.