 Leaf parachute mushrooms (Marasmius epiphyllus) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Leaf parachute mushrooms (Marasmius epiphyllus) in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Leaf parachute (Marasmius epiphyllus) mushrooms in an oak grove near Razliv Lake, in Sestroretsk area west from Saint Petersburg. Russia, October 2, 2017
 Collared parachute mushrooms (Marasmius rotula) on a rotten tree branch in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Young collared parachute mushrooms (Marasmius rotula) on a rotten tree branch in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Small mushrooms Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on a rotten leaf near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Close up of collared parachute mushrooms (Marasmius rotula) in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Collared parachute mushrooms (Marasmius rotula) on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Collared parachute mushrooms (Marasmius rotula) on rotten wood in Bee Creek Park. College Station, Texas, November 1, 2017
 Maple leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Fern leaf in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Close up of collared parachute mushrooms (Marasmius rotula) on rotten wood in Bee Creek Park. College Station, Texas, November 1, 2017
 Red velvety patches on a birch leaf (velvet erineum galls) in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Red velvety patches on a birch leaf caused by the eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017
 Red velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
 Collared parachute mushrooms (Marasmius rotula) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Silver leaf fungus (Chondrostereum purpureum mushrooms) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Scotch bonnet mushrooms (Marasmius oreades) in Sosnovka Park. Saint Petersburg, Russia, August 16, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) on rotten wood taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Some small white shield like mushrooms on rotten birch in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Purple edge bonnet mushrooms (Mycena purpureofusca) on a rotten birch log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Ghost shield mushrooms (Pluteus pellitus) on a rotten birch log in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Yellowing curtain crust mushrooms (Stereum subtomentosum) on a birch log in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Pair of ghost shield mushrooms (Pluteus pellitus) on a rotten birch log in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Close up of collared parachute mushrooms (Marasmius rotula) in Lick Creek Park. College Station, Texas, May 28, 2018
 Cross section of ghost shield mushrooms (Pluteus pellitus) taken from a rotten birch log in swampy area in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Rotten blackened tinder polypore mushrooms (bracket fungus, Fomes fomentarius) on a birch log in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Collared parachute mushrooms (Marasmius rotula) on a fallen tree branch in Lick Creek Park. College Station, Texas, May 28, 2018
 Collared parachute mushroom (Marasmius rotula) near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
 Birch milkcap mushrooms (Lactarius tabidus, Lactarius theiogalus) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Back lit leaf of black chokeberry (Aronia melanocarpa) in Sosnovka Park in Saint Petersburg. Russia, May 31, 2011
 Tar rot fungus (Rhytisma acerinum) on a maple leaf taken from Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Back lit leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Close up of a young leaf of mountain ash (Sorbus aucuparia, Russian name Ryabina) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
 Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2016
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 Soft porous fungus covering rotten birch bark in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Hydnoid fungus Mycoacia aurea(?) on the underside of a rotten birch log in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 Birch alley in swampy area in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Birch alley with maple leaves in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
 May apple leaf growing through a dry leaf on Mount Rose Ridge Trail in Stony Brook Watershed park. Pennington, New Jersey, April 29, 2007
 Winter mushrooms (velvet foot, Flammulina velutipes) on a rotten stump in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Birch milkcap mushrooms (Lactarius tabidus(?)) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Various leaves with black fungus dots Mycosphaerella leaf spot (Mycosphaerella microsora)? in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
 Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) on a birch in Sosnovka Park. Saint Petersburg, Russia, December 8, 2016
 Birch milkcap mushrooms (Lactarius tabidus(?), Russian name Gorkushka) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Crust of silver leaf fungus (Chondrostereum purpureum mushrooms) in Udelny Park. Saint Petersburg, Russia, February 28, 2017
 Silver leaf fungus (Chondrostereum purpureum mushrooms) on a bush in Udelny Park. Saint Petersburg, Russia, February 28, 2017
 Old birch bolete mushroom (bog bolete, Leccinum holopus) in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Tiny sheathed woodtuft mushrooms (Kuehneromyces mutabilis, Pholiota mutabilis) on a rotten tree stump in Sosnovka Park. Saint Petersburg, Russia, July 20, 2016
 Leaf cutter ant highway in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Galls under an oak leaf in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Purple jellydisc mushrooms (Ascocoryne sarcoides, cup stage) on rotten timber in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, October 2, 2016
 Marasmius wettsteinii mushrooms on fallen spruce needles in Alexander Park in Pushkin, suburb of Saint Petersburg. Russia, July 31, 2016
 Oak leaf anthracnose (leaf spot fungus, Tubakia dryina) on Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 17, 2018
 Small dark aphids on a leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Birch milkcap mushrooms (Lactarius tabidus, Lactarius theiogalus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Stilbella byssiseda mushrooms on rotten wood in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Mushrooms Stilbella byssiseda on a rotten stump in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Blood-red Marasmius mushrooms (Marasmius haematocephalus) in Lick Creek Park. College Station, Texas, September 11, 2018
 Blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms in Lick Creek Park. College Station, Texas, September 21, 2018
 Close up of oak leaf anthracnose (leaf spot fungus, Tubakia dryina) on Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 17, 2018
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch forest in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 Leaf footed bug on a leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms between dry oak leaves in Lick Creek Park. College Station, Texas, September 21, 2018
 Gills of blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms in Lick Creek Park. College Station, Texas, September 21, 2018
 Blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms among dry oak leaves in Lick Creek Park. College Station, Texas, September 21, 2018
 Caps of blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms in Lick Creek Park. College Station, Texas, September 21, 2018
 Clusters of Stilbella byssiseda mushrooms on a rotten stump in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Conifer woodtuft mushrooms (Kuehneromyces lignicola) on rotten log in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
 Deer shield mushrooms (Pluteus cervinus(?)) on a rotten log in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Blood-red Marasmius mushrooms (Marasmius haematocephalus) with water drops in Lick Creek Park. College Station, Texas, September 11, 2018
 Birch and maple trees in Sosnovka Park. Saint Petersburg, Russia, October 3, 2017
 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
 Leaf of grape in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Leaf of Thuja in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Conifer woodtuft mushrooms (Kuehneromyces lignicola) on rotten wood in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
 Sulphur tuft mushrooms (Hypholoma fasciculare) on a rotten stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Alder scalycap mushrooms Pholiota alnicola on rotten wood in Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
 Purple edge bonnet mushrooms (Mycena purpureofusca) on a rotten log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Stilbella byssiseda mushrooms on a mossy rotten stump on roadside in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Birch alley in north area in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Birch trees in northern part of Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
 Fall colors of birch alley in Sosnovka Park. Saint Petersburg, Russia, October 8, 2017
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