Populus nigra
Tree Index
 3-7-2008  Peckforton,Chesh   John Somerville
 The gall, Pemphigus spirothecae, is caused by an aphid
 4-2-2005  Trafford,   John Somerville
More pictures
 30-3-2009  Formby,Merseyside   Phil Smith
 male catkin
 11-5-2009  Formby,Merseyside   Phil Smith
 28-5-2009  Formby,Merseyside   Phil Smith
 fruits
 June 2010  Spurstow Hall,Cheshire   Graeme Kay
 fluffy seeds emerging
 4-2-2005  Trafford,   John Somerville