 Maple trees near a memorial in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch and maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Snowy waxcap mushrooms (Cuphophyllus virgineus) under maple trees in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Maple alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Maple trees near a foot bridge of Vittolovsky Canal in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
 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
 Maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Maple leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Yellow maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Frozen maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple trees near Olginsky Pond. Saint Petersburg, Russia, October 25, 2016
 Maple trees near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Tar rot on maple leaves (Rhytisma acerinum) in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Birch alley with maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Maple trees in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Tar rot fungus (Rhytisma acerinum) on last year maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tar rot fungus (Rhytisma acerinum) on fallen maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tar rot fungus on fallen maple leaves, Rhytisma acerinum mushroom, in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple trees on Architecture Lane in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Mushrooms Thelephora anthocephala under maple trees near a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Trees during snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Trees in snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Larch trees in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Birch trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 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
 Larch trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Young mossy maple polypore mushrooms (Oxyporus populinus)(?) in a hollow of small willow stump in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Larch and pine trees at snowfall in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Deadly fibrecap mushrooms Inocybe erubescens under maple trees in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Rooting bolete mushrooms (Caloboletus radicans, Boletus radicans) on a lawn under maple and linden trees near Dvortsovaya Street in Alexander Park in Pushkin, former Tsarskoe Selo, near Saint Petersburg. Russia, September 7, 2017
 Rooting bolete mushrooms (Caloboletus radicans, Boletus radicans) on a lawn under maple and linden trees near Dvortsovaya Street in Alexander Park in Pushkin, former Tsarskoe Selo, near Saint Petersburg. Russia, September 7, 2017
 Blue staining rooting bolete mushrooms (Caloboletus radicans, Boletus radicans) on a lawn under maple and linden trees near Dvortsovaya Street in Alexander Park in Pushkin, former Tsarskoe Selo, near Saint Petersburg. Russia, September 7, 2017
 Ring-like growth of thin white arachnoid corticioid fungus (mushroom) Athelia arachnoidea(?) killing lichens on a trunk of a maple in Sosnovka Park. Saint Petersburg, Russia, February 3, 2017
 Pale buff caps of rooting bolete mushrooms (Caloboletus radicans, Boletus radicans) on a lawn under maple and linden trees near Dvortsovaya Street in Alexander Park in Pushkin, former Tsarskoe Selo, near Saint Petersburg. Russia, September 7, 2017
 Sticky bolete mushrooms (Suillus viscidus) under larch trees on Svetlanovsky Prospect near Sosnovka Park. Saint Petersburg, Russia, September 28, 2017
 Birch trees in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors of oak trees in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Larch trees in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
 An alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Forest trail in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Autumn alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Alley in a forest in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Rosy wood mushrooms (Agaricus semotus) under large maple trees near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
 Alley behind a shooting range in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Tree stump in fall in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Forest in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Alley with yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch trees in Sosnovka Park in Saint Petersburg, Russia, June 22, 2010
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, June 11, 2009
 Trees after snowfall in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, December 1, 2016
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, February 6, 2018
 Birch trees and logs in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Trees in snow in Sosnovka Park. Saint Petersburg, Russia, November 8, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2016
 Birch and mountain ash trees in Sosnovka Park. Saint Petersburg, Russia, May 31, 2009
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
 Crested coral mushrooms (Clavulina coralloides)(?) under spruce trees in Catherine Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
 Maple leaves in Lesnoy Park. Saint Petersburg, Russia, October 8, 2016
 Littered area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Demolished garages in northern area in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fall colors of birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Forest in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fall colors in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Rubble in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch leaves covering a road in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Rubbish in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Swampy area in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Heavy snow on trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Snowy pine trees in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Road with birch trees in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
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