1978
Photographed at the Royal Botanic Gardens, Kew.

1979
Photographed at the Royal Botanic Gardens, Kew.

1st November 2008
Photographed at the Royal Horticultural Society's garden, Wisley.

23rd July 2011
Photographed at the National Botanic Garden of Wales.

23rd July 2011
Photographed at the National Botanic Garden of Wales.

23rd July 2011
Photographed at the National Botanic Garden of Wales.