Birch trees and logs in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
Birch trees on a meadow near Kanneliarvi, 40 miles north-west from Saint Petersburg, Russia, July 29, 2005
Trunks of birch trees near Beech Loop in F. R. Newman Arboretum. Ithaca, New York, October 11, 2005
Birches and ginkgo trees at Marilyn Avenue. West Lafayette, Indiana, April 30, 1999.
Birch trees in eastern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
Birch and mountain ash trees in Sosnovka Park. Saint Petersburg, Russia, May 31, 2009
Catkins on a birch like tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
Birch trees in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, June 14, 2011
Old tree stump on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Dry trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dead trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dead tree trunks in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
