1979
Photographed at Shinfield Grange, University of Reading.

1979
Photographed at the Royal Botanic Gardens, Kew.

4th November 2006
Photographed at the Royal Horticultural Society's garden, Wisley.

4th November 2006
Photographed at the Royal Horticultural Society's garden, Wisley.

31st October 2012
Photographed at Myddleton House.