1979
Photographed at Shinfield Grange, University of Reading.

1979
Photographed at the Royal Botanic Gardens, Kew.

14th July 2007
Photographed at the Royal Botanic Gardens, Kew.

13th October 2007
Photographed at the Royal Horticultural Society's garden, Wisley.

13th October 2007
Photographed at the Royal Horticultural Society's garden, Wisley.

5th September 2012
Photographed at the Royal Horticultural Society's garden, Wisley.

5th September 2012
Photographed at the Royal Horticultural Society's garden, Wisley.

5th September 2012
Photographed at the Royal Horticultural Society's garden, Wisley.

26th September 2012
Photographed at the Royal Horticultural Society's garden, Wisley.