This is the page featuring a single species. Photographs are presented per individual to make it possible to asses how much variation is possible between individuals within the species.
USA trees:
shot during my holiday in october 2004:
All photographs of Quaking aspen (Populus tremuloides) in Bryce national park and on the road form Bryce to Torrey (near Escalante national park).
The place where trees were photographed might be at the end of the name of the tree images.