 Birch trees and logs in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Birch trees in Sosnovka Park in Saint Petersburg, Russia, June 22, 2010
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, December 1, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Road with birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch and maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch trees in Sosnovka Park at morning. Saint Petersburg, Russia, November 6, 2016
 Snowy birch trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees in fresh snow in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Birch trees in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of birch trees behind the war monument in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees in eastern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 Birch trees of Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Back lit birch forest with blueberry bushes in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Green paint on a cut branch of mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Fresh leaves of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Back lit leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Ochre Bracket mushrooms (Trametes ochracea)(?) on a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Close up of a young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Hazel bracket fungus (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Ochre Bracket mushrooms (Trametes ochracea)(?) collected from a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Wrinkled crust fungus (Phlebia radiata mushroom) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, February 14, 2017
 The Greasy bracket polypore mushrooms (Aurantiporus fissilis)(?) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, February 6, 2018
 Trees during snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
 Larch trees in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Trees after snowfall in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Trees in snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Trees in snow in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Common inkcap (inky cap) mushrooms Coprinopsis atramentaria at the base of mountain ash(?) tree in Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 White poroid mushrooms of hazel bracket (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Texture of wrinkled crust fungus (Phlebia radiata mushroom) on a mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, February 17, 2017
 Trees near Svetlanovsky Prospect in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Heavy snow on trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Pine trees in mist in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Maple trees near a memorial in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Pine trees in snow in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Larch trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Snowy pine trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Fresh snow on trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Fresh snow on trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Larch trees with snow in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Pine trees in mist in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Pine trees with snow in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Trees near Vosmiorka Pond in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Candlesnuff fungus (carbon antlers mushrooms, Xylaria hypoxylon) on a stump of swida or mountain ash in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Bushes and trees in fresh snow in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Pine trees in fresh snow in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Pine trees in fresh snow in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Larch and pine trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Trees along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Snowy waxcap mushrooms (Cuphophyllus virgineus) under maple trees in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Birch trees in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Sticky bolete mushrooms (Suillus viscidus) under larch trees on Svetlanovsky Prospect near Sosnovka Park. Saint Petersburg, Russia, September 28, 2017
 Birches in Sosnovka Park. Saint Petersburg, Russia, May 31, 2009
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, May 4, 2019
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birches in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Smoke in Sosnovka Park at morning. Saint Petersburg, Russia, May 30, 2009
 Violet (viola) in Sosnovka Park. Saint Petersburg, Russia, May 28, 2009
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Road in a birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, December 1, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, February 7, 2013
 Young leaves on a birch in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
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