 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
 Road in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Birch trees in eastern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 Swamp in eastern part of Sosnovka Park at morning in mist. Saint Petersburg. Russia, September 9, 2007
 Pond in northern part of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch alley in eastern part of Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
 Small pond in eastern part of Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
 Road in northern part of Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 26, 2015
 Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Road with birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch alley in central part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Mushrooms Naucoria bohemica(?) taken from a lawn in west part of Sosnovka Park. Saint Petersburg, Russia, September 5, 2017
 Club foot mushrooms (Ampulloclitocybe clavipes) in west part of Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Tawny grisette mushroom (Amanita fulva) in northern part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
 Rope swing for diving to a lake in northern part of Sosnovka Park at morning. Saint Petersburg. Russia, September 9, 2007
 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
 Eastern road in Alexandria Park. Peterhof, a suburb of Saint Petersburg, Russia, September 27, 2016
 Forest in western part of Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 A bench in northern part of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 26, 2015
 Forest in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 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
 Forest road in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Fall colors 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
 Swampy area 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
 Swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Fall colors of fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fall colors with 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
 Eastern part of Island of Princess (Kniagini) Liven in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, October 14, 2016
 Listvennaya Alley through a forest in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 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
 A pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Old ditch in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Toadstools (small mushrooms) collected in swampy part in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birch forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Karasiovoe Lake near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Forest path in swampy 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
 Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of 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
 Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Dog Pond (Sobachye Ozero, Vosmiorka, or Bublik) in northern part of Sosnovka Park in Saint Petersburg, Russia, June 22, 2010
 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
 Fall colors of a forest in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Fall colors of a pond near 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
 Trees along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Birches around Karasiovoe Lake near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Alley along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Old cutting along drainage ditches in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Sundew (Drosera rotundifolia) with remains of digested insects in swampy part of Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
 Alley on eastern shore of Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Oaks on eastern shore of Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Alley in fog on eastern shore of Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Old oaks on eastern shore of Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Rusty colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
 Young Amanita muscaria (fly agaric, Mukhomor) mushroom 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
 Birch trees of Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 A pond in eastern Sosnovka Park, with an air space institute on background. Saint Petersburg, Russia, August 26, 2001
 Stray dogs on eastern shore of Beloe Lake in Gatchina, a suburb of Saint Petersburg. Russia, September 27, 2015
 Birch bolete mushroom Leccinum schistophilum(?) in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Red brittlegill (Russula sp.) mushrooms on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Fall colors of Alder Buckthorn (Frangula alnus) in swampy area 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
 Small birch Bolete mushroom (Leccinum variicolor) on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 A road from Pergola in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Road to a Gothic capella in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, September 28, 2015
 Fruit of wild calla (Water Arum, Calla palustris) taken from a swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 A road north from Krasny Pond in the park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, September 25, 2015
 Dissected fruit of wild calla (Water Arum, Calla palustris) taken from a swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Barbed wire surrounding huge restricted access territory of S. I. Vavilov State Optical Institute (attached to Defense Ministry) at an eastern part of Vasilyevsky Island. Saint Petersburg, Russia, April 14, 1999.
 Ponds near Podkaprizovaya Road in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Path near Podkaprizovaya Road in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 A road around Great Pond in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Maple near Podkaprizovaya Road in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
 Road near Kitchen Pond in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, September 24, 2015
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