 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) on a rotten leaf of birch taken from 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
 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 on fallen maple leaves, Rhytisma acerinum mushroom, in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Fern leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Maple alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 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
 Maple leaves in Lesnoy Park. Saint Petersburg, Russia, October 8, 2016
 Maple with yellow leaves in Polytechnichesky Institute (Technical University) Park. Saint Petersburg, Russia, October 25, 2016
 Maple trees near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Maple trees near Olginsky Pond. Saint Petersburg, Russia, October 25, 2016
 Road with maple leaves near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Ditch with maple leaves near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Maple Alley in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Brown maple leaves in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Young leaf and a cluster of maple flowers (Acer platanoides) in a park of Politekhnichesky Institute. Saint Petersburg, Russia, May 20, 2011
 Maple leaves in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Maple leaves on Komissarovskaya Lane in Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Maple leaves in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Maple leaves at 15 Vyborgskaya Street in Vyborg, north from Saint Petersburg. Russia, October 7, 2016
 Maple tree in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Lane with maple leaves in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Maple trees in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Maple bush in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, October 18, 2016
 Lane with maple leaves in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Red maple near alpine hills in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Orange maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
 Sretenskaya Lane with maple leaves in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
 Yellow maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Yellow maple leaves in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Carpet of maple leaves 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
 Maple trees on Architecture Lane in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Maple leaves carpeting ground in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, October 28, 2016
 Maple leaves near Volkovka River in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Deer sculpture with maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Maple leaves covering ground in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Tomb bench with maple leaves in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Deer sculpture on a maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Rusty yellow maple leaf in Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 18, 2015
 First snow in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Snowy waxcap mushrooms (Cuphophyllus virgineus) under maple trees in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Brown leaves of maple on Architecture Lane in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, October 17, 2016
 Bracket fungus sculpture on a maple alley in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Spirea bush with fallen maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Yellow leaves of maple carpeting ground in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Young leaf of maple in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Alley in snow in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Pine trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Bushes with snow in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Pine forest in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Various bonnet mushrooms (Mycena sp.) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Various bonnet mushrooms (Mycena sp.) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaves in a pool of water in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Snow on yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Yellow bushes with snow in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Maple leaf damaged by fungus in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Different kind of bonnet mushrooms (Mycena sp.) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Toadstools (small mushrooms) of various colors taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Caps of various bonnet mushrooms (Mycena sp.) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Scalycap mushrooms (Pholiota spumosa)(?) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 A maple leaf on a log near Morse Loop Trail in Borderland State Park. North Easton, October 16, 2004
 Scurfy twiglet mushrooms (Tubaria furfuracea) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Yellowleg bonnet mushrooms (Mycena epipterygia) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Milking bonnet mushrooms (Mycena galopus)(?) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Mealy funnel mushrooms (Clitocybe vibecina)(?) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Some late funnel mushrooms (Clitocybe rivulosa)(?) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Milking bonnet mushrooms (Mycena galopus)(?) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Small bonnet mushroom (Mycena sp.) with moss taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Common bonnet mushrooms (Mycena galericulata) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Rooting bonnet mushrooms (Mycena megaspora) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Rooting bonnet mushrooms (Mycena megaspora) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Small orange webcap mushrooms (Cortinarius sp.) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Caps of toadstools (small mushrooms) of various colors taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Scurfy deceiver mushrooms (Laccaria proxima) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Young mossy maple polypore mushrooms (Oxyporus populinus)(?) in a hollow of small willow stump in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Late fall oyster mushrooms (Panellus serotinus) in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
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