1981
Photographed at the Royal Botanic Gardens, Kew.

1st April 2006
Photographed at the Alpine Garden Society's show, Exeter.

27th March 2010
Photographed at the Alpine Garden Society's show, Exeter.

27th March 2010
Photographed at the Alpine Garden Society's show, Exeter.

2nd March 2012
Photographed at the RHS garden, Wisley.