 Birch trees in eastern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 Birch alley in central part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Swamp in eastern part of Sosnovka Park at morning in mist. Saint Petersburg. Russia, September 9, 2007
 Birch forest 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
 Birch trees in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 A road in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Rope swing for diving to a lake in northern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 Tawny grisette mushroom (Amanita fulva) in northern part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, May 4, 2019
 Birch milkcap mushroom (Lactarius tabidus) in swampy part in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, April 16, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, February 7, 2013
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, December 1, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 A birch alley in Sosnovka Park. Saint Petersburg, Russia, April 10, 1999.
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 A lake in northern part of Sosnovka Park. Saint Petersburg, Russia, August 7, 2001
 A narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, April 10, 1999.
 Birch alley in Sosnovka Park in mist. Saint Petersburg, Russia, June 26, 2010
 Birch alley with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch alley in mist in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Birch alley behind a monument in Sosnovka Park. Saint Petersburg, Russia, June 24, 2014
 Birch alley at evening in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Birch alley in Sosnovka Park at morning. Saint Petersburg, Russia, November 6, 2016
 Birch alley in fresh snow in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Fall colors of birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch alley in northern area of Sosnovka Park. Saint Petersburg, Russia, June 24, 2014
 Birch alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley with maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch forest around a pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 A narrow birch alley over a marshy forest in Sosnovka Park. Saint Petersburg, Russia, April 11, 1999.
 Fall colors of birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 A birch alley in Sosnovka Park near crossing of Svetlanovskiy and Tikhoretskiy Prospect. Saint Petersburg, Russia, September 3, 2002
 Rusty colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Polypore mushrooms Hapalopilus rutilans (Hapalopilus nidulans) taken from a dry birch in northern part of Sosnovka Park. Saint Petersburg, Russia, April 26, 2017
 Polypore mushroom Hapalopilus rutilans (Hapalopilus nidulans) on a dry birch in northern part of Sosnovka Park. Saint Petersburg, Russia, April 26, 2017
 Alley with ditches in Sosnovka Park. Saint Petersburg, Russia, August 30, 2016
 Birches in Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 A pond in eastern Sosnovka Park, with an air space institute on background. Saint Petersburg, Russia, August 26, 2001
 Alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, August 30, 2016
 Central alley in mist in Sosnovka Park. Saint Petersburg, Russia, August 21, 2016
 Burning swamp in Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 Smoking swamp in Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 A pond in Sosnovka Park at morning. Saint Petersburg, Russia, August 14, 2007
 Birch alley in Sosnovka Park. Sankt Petersburg, Russia, September 26, 2000
 Alley in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 22, 2007
 Overgrown alley in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 22, 2007
 Alley and a crypt in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, August 22, 2007
 Central part of gates of Petrovsky Dock. Kronstadt, part of Saint Petersburg, Russia, August 28, 2013
 Birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Alley in east part of Alexandria Park. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 22, 2013
 Fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Pond in northern part of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Forest in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Some small white Pluteus mushrooms on a rotting birch stump in Sosnovka Park. Saint Petersburg, Russia, August 28, 2018
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
 Caps of artist s bracket mushrooms (Ganoderma applanatum) on a birch in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
 Fall colors in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Swampy area in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Oak alley in western part of Rose Field in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
 Young purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Fall colors with fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fall colors of fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Eastern part of Island of Princess (Kniagini) Liven in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, October 14, 2016
 Mushrooms Naucoria bohemica(?) taken from a lawn in west part of Sosnovka Park. Saint Petersburg, Russia, September 5, 2017
 Toadstools (small mushrooms) collected in swampy part in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Alley in western part of Gatchina Park in Gatchina, a suburb of Saint Petersburg. Russia, September 21, 2013
 Road in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Dog Pond (Sobachye Ozero, Vosmiorka, or Bublik) in northern part of Sosnovka Park in Saint Petersburg, Russia, June 22, 2010
 Club foot mushrooms (Ampulloclitocybe clavipes) in west part of Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Alley of Sosnovka Park. Saint Petersburg, Russia, May 29, 2014
 Birch polypore mushroom Piptoporus betulinus (bracket fungus Fomitopsis betulina, Russian name Trutovik) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Small pond in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Sundew (Drosera rotundifolia) with remains of digested insects in swampy part of Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Alley in a forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 An alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Pine alley of Sosnovka Park. Saint Petersburg, Russia, May 29, 2014
 White birch bolete mushroom (bog bolete, Leccinum holopus) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Cinnamon bracket mushroom (Hapalopilus rutilans, Hapalopilus nidulans) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Pine alley in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 An alley in Sosnovka Park in northern Saint Petersburg. Russia, September 29, 2002
|