 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
 Birch trees in eastern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 A road in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch alley in eastern part of Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 Swamp in eastern part of Sosnovka Park at morning in mist. Saint Petersburg. Russia, September 9, 2007
 Birch alley in central part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Pond in northern part of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Road in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Birch forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Small pond in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Birch forest around a pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Rusty colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Small birch Bolete mushroom (Leccinum variicolor) on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Road with birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch milkcap mushroom (Lactarius tabidus) in swampy part in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Fall colors of birch trees behind the war monument in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees of Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch bolete mushroom Leccinum schistophilum(?) in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 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
 Mushrooms Naucoria bohemica(?) taken from a lawn in west part of Sosnovka Park. Saint Petersburg, Russia, September 5, 2017
 Forest in western part of Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Tawny grisette mushroom (Amanita fulva) in northern part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Club foot mushrooms (Ampulloclitocybe clavipes) in west part of Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Rope swing for diving to a lake in northern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 Birch forest near Bublik Lake in Sosnovka Park. Saint Petersburg, Russia, September 23, 2013
 Forest in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Listvennaya Alley through a forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Club foot mushrooms (Ampulloclitocybe clavipes) in a birch forest in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Fall colors of a forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Southern part of Lower Pond in the park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, September 25, 2015
 View of southern part of Lower Pond in the park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, September 25, 2015
 Reeds in southern part of Lower Pond in the park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, September 25, 2015
 Red brittlegill (Russula sp.) mushrooms on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
 Road in northern part of Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 26, 2015
 Birch foliage in south area of Sosnovka Park. Saint Petersburg, Russia, September 23, 2013
 A bench in northern part of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 26, 2015
 A lake in northern part of Sosnovka Park. Saint Petersburg, Russia, August 7, 2001
 Fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Trail on eastern shore of Lower Pond in the park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, September 25, 2015
 Birches in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Some crustous fibrillous fungus on a birch tree in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Some crustous fungus at the base of a birch tree in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
 Birch tree log damaged by insect larvae in Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Timber mushrooms Lentinellus castoreus on a birch log in Sosnovka Park. Saint Petersburg, Russia, September 2, 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
 Birch trees in a forest west from railroad in Otdelny Park in Pushkin (former Tsarskoe Selo), a suburb of Saint Petersburg. Russia, September 26, 2015
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Fall colors in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Black cap birch bolete mushroom (Leccinum variicolor) in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Caps of timber mushrooms Lentinellus castoreus on a birch log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Group of birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 A birch alley in Sosnovka Park near crossing of Svetlanovskiy and Tikhoretskiy Prospect. Saint Petersburg, Russia, September 3, 2002
 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 shore of Upper Lamskiy Pond in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Eastern shore of Lower Lamskiy Pond in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch forest in Sosnovka Park in Saint Petersburg, Russia, June 22, 2010
 Road in a birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
 Eastern part of Island of Princess (Kniagini) Liven in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, October 14, 2016
 Pond Vosmiorka or Bublik in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Trees near Vosmiorka Pond in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Old ditch in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 A pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Hydnoid fungus Mycoacia aurea(?) on the underside of a rotten birch log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Soft porous fungus covering rotten birch bark in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Edible birch bolete mushroom, Russian name Podberyozovik, in Sosnovka Park in northern Saint Petersburg. Russia, September 29, 2002
 Toadstools (small mushrooms) collected in swampy part in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Fruits of wild calla (Water Arum, Calla palustris) near a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch forest after snowfall in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Birch forest with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Karasiovoe Lake near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Reflections in a pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
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