 Birch and maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Maple trees near a memorial in Sosnovka Park. Saint Petersburg, Russia, October 8, 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
 Frozen maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Yellow maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Birch alley with maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Tar rot on maple leaves (Rhytisma acerinum) in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 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 fungus (Rhytisma acerinum) on fallen maple leaves in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Tar rot fungus (Rhytisma acerinum) on last year 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 in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Mushrooms Thelephora anthocephala under maple trees near a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Trees at snowfall 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
 Snowy trees in Sosnovka Park. Saint Petersburg, Russia, April 13, 2017
 Larch 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
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Maple trees on Architecture Lane in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 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 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
 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
 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 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
 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
 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
 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
 An alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Larch trees in Alexander Park. Pushkin (former Tsarskoe Selo), south from Saint Petersburg, Russia, October 6, 2017
 Autumn alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch 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 3, 2017
 Alley in a forest in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Alley with yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 3, 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
 Alley behind a shooting range in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Rubble in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Littered area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch leaves covering a road 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
 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
 Rubbish 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
 Birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Swampy area in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors with fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birches near Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Island of Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of fireweed in northern part of Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Fall colors in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Demolished garages in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Accumulation of junk in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Demolished garages in area of former Standart settlement in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Pool of water in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Littered site in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Demolished garages in area of former labor camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Modern buildings in area of former German camps 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
 Forest around demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Garbage from demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Forest near demolished garages in area of former German camps in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Yellow foliage near Bublik Pond in northern area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fireweed near demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Various trash from demolished garages in area of former prisoner of war camps in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Trees near 3-rd South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
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