 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme)(?) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Compact group of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) shaped like pointed eggs on a birch tree near Lisiy Nos, west from Saint Petersburg, Russia, August 23, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Old pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, September 21, 2016
 Mature pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Dibuny, north-west from Saint Petersburg, Russia, August 24, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) east from Kuzmolovo in northern Saint Petersburg. Russia, September 8, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Kavgolovo Lake, north from Saint Petersburg. Russia, September 5, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a mossy log east from Kuzmolovo in northern Saint Petersburg. Russia, September 8, 2016
 Immature pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, October 30, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) with some fungus on an oak tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Dry pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Mature pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on an oak log in Huntsville State Park. Texas, December 18, 2020
 Dry brown pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Old pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak wood in Huntsville State Park. Texas, December 18, 2020
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, December 25, 2017
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, November 6, 2018
 Close up of pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Mature pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, November 22, 2018
 Last year pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, March 1, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotten wood on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen tree on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) near Raccoon Run Trail in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a rotten tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Close up of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Clusters of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Pear-shaped puffball mushroom (Lycoperdon pyriforme) with spots of fungus on an oak tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a downed oak near Raccoon Run Trail in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a stump on Little Lake Creek Loop Trail east from Trailhead No. 4 in Sam Houston National Forest, near Montgomery. Texas, December 22, 2020
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on frying pan collected from a tree log on Kirby Trail in Big Thicket National Preserve. College Station, Texas, November 10, 2013
 Pear-shaped stump puffball mushroom (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, March 1, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on an oak log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
 Cup shaped fungus (mushrooms) Peziza varia on a log in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) near fallen oak branches at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 7, 2021
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in cross section on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 7, 2021
 Puffball mushrooms (Lycoperdon pyriforme) on a tree of Grand Parterre in Letniy Sad (Summer Garden). Saint Petersburg, Russia, October 5, 2016
 Dense cluster of gear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
 Funnel mushrooms (Clitocybe metachroa(?)) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Sprucecone cap mushrooms (Strobilurus esculentus) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Scalycap mushrooms Pholiota conissans(?) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Woodwax mushrooms Hygrophorus piceae(?) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Bulbous honey mushrooms (Armillaria gallica) on a log in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Sprucecone cap mushrooms (Strobilurus esculentus) together with Mycena in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Conifer tuft mushrooms (Hypholoma capnoides) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Group of sprucecone cap mushrooms (Strobilurus esculentus) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Bulbous honey mushrooms (Armillaria gallica) on the ground in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Old caps of conifer tuft mushrooms (Hypholoma capnoides) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Sprucecone cap mushrooms (Strobilurus esculentus) among rotten leaves in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Sprucecone cap mushrooms (Strobilurus esculentus) among wood sorrel in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Cluster of bulbous honey mushrooms (Armillaria gallica) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Conifer tuft mushrooms (Hypholoma capnoides) on a mossy log in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Orange (slimy) webcap mushrooms (Cortinarius mucosus) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Caps of bulbous honey mushrooms (Armillaria gallica) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Shaggy Scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Winter mushrooms (velvet foot, Flammulina velutipes) on rotten log in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Bulbous honey mushrooms (Armillaria gallica) on a mossy branch in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Winter mushrooms (velvet foot, Flammulina velutipes) on the ground in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Winter mushrooms (velvet foot, Flammulina velutipes) on a stump in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Bulbous honey mushrooms (Armillaria gallica) on the ground in spruce forest in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Winter mushrooms (velvet foot, Flammulina velutipes) near Oredezh River in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Lichen on a tree in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Orange milkcap mushrooms (Lactarius aurantiacus) together with bulbous honey mushrooms (Armillaria gallica) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Caps of winter mushrooms (velvet foot, Flammulina velutipes) near Oredezh River in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Shaggy scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) in spruce forest in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Immature stump puffball mushrooms (Lycoperdon pyriforme)(?) on a mossy stump in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Green trumpet-like lichen in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Wood blewit mushrooms (Clitocybe nuda, Lepista nuda) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Stump puffball mushrooms (Lycoperdon pyriforme) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
 Overwintered mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme) on a rotten log in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Sporulating mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme) on wood in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Puffball mushrooms (Lycoperdon perlatum) south-west from Dibuny - Pesochnyi, near Saint Petersburg. Russia, September 14, 2016
 Mosses in a forest in Posiolok, near Vyritsa, 50 miles south from Saint Petersburg. Russia, July 9, 2016
 Stump puffball mushrooms (Lycoperdon pyriforme) on a rotten stump in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Insect spruce galls in a forest in Posiolok, near Vyritsa, 50 miles south from Saint Petersburg. Russia, July 9, 2016
 Reindeer lichen (Cladonia) in a forest in Posiolok, near Vyritsa, 50 miles south from Saint Petersburg. Russia, July 9, 2016
 Common cow-wheat (Melampyrum pratense) in a forest in Posiolok, near Vyritsa, 50 miles south from Saint Petersburg. Russia, July 9, 2016
 False puffball mushroom (Reticularia lycoperdon, Enteridium lycoperdon) in Sablino, south from Saint Petersburg. Russia, May 25, 2017
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