26-8-2005
Trafford, John Somerville
14-8-2004
Aspull,Lancs John Somerville
leaves
opposite with a short winged stalk
24-9-2006
St Mary,Devon David Fenwick
seed
head
28-8-2010
Tring reservoirs,Herts Paul Shannon
pair
of lobes at the base of the leaf stalk.