 Grey falsebolete mushroom (Boletopsis grisea) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Cross section of blue tooth mushrooms (Hydnellum caeruleum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Toughshank mushroom (Gymnopus ocior) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Foxy bolete mushroom (Leccinum vulpinum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Mealy tooth mushroom (Hydnellum ferrugineum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 King bolete mushroom (Boletus edulis) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Side view of toughshank mushroom (Gymnopus ocior) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Guttation of a mealy tooth mushroom (Hydnellum ferrugineum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Underside of a mealy tooth mushroom (Hydnellum ferrugineum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Tooth mushrooms Sarcodon glaucopus(?) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Blue tooth mushrooms (Hydnellum caeruleum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Light brown brittlegill (Russula) mushrooms on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Woolly tooth mushrooms (Phellodon tomentosus) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Caps of blue tooth mushrooms (Hydnellum caeruleum) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Woolly tooth mushrooms (Phellodon tomentosus) in moss on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Young woolly tooth mushrooms (Phellodon tomentosus) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Pattern of caps of woolly tooth mushrooms (Phellodon tomentosus) on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Cross section of gassy webcap mushroom (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Boletopsis grisea mushroom in Orekhovo, north from Saint Petersburg. Russia, August 17, 2016
 Cross section of false (deer) truffle Elaphomyces granulatus on exposed sandy soil on roadside in a pine forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Boletopsis grisea(?) mushrooms in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 31, 2013
 Boletopsis grisea mushrooms near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Cap of Boletopsis grisea mushroom in moss near Dibuny, west from Saint Petersburg. Russia, September 7, 2016
 Mature Boletopsis grisea mushroom near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
 Brown webcap (Cortinarius) mushroom at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Swamp brittlegill mushrooms (Russula paludosa) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Underside of a tooth mushroom Sarcodon glaucopus at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Underside of bog bell mushroom (Galerina paludosa) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Underside of a brown webcap (Cortinarius) mushroom at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Top view of a tooth mushroom Sarcodon glaucopus at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Old quarry in a forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 A pond in a forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Underside of surprise webcap mushroom (Cortinarius semisanguineus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Close-up of a mealy tooth mushroom (Hydnellum ferrugineum) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Young gassy webcap mushroom (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Bog bell mushroom (Galerina paludosa) in sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Surprise webcap mushroom (Cortinarius semisanguineus) in sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Side view of a surprise webcap mushroom (Cortinarius semisanguineus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Old Boletopsis grisea mushrooms near Dibuny, west from Saint Petersburg. Russia, September 7, 2016
 Wooden boardwalk at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Boletopsis grisea mushrooms near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
 Ripening cranberry in moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Close-up of sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Cranberry (Russian name Kliukva) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Orange sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Buildings in Sestroretsk visible from Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Boletopsis grisea mushrooms near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018
 Cowberry (lingonberry, Russian name Brusnika) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Tooth mushrooms Sarcodon glaucopus at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Young light brown webcap (Cortinarius) mushrooms with cross section in a swamp in a forest east from a train stop Platform 46 km near Semrino, south from Saint Petersburg. Russia, August 10, 2024
 Cowberry (lingonberry, Vaccinium vitis-idaea) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Gassy webcap mushrooms (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Fruits of cranberry (Russian name Kliukva) on sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Bog bell mushrooms (Galerina paludosa) and cranberry in sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Transition area between swamp and a forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cross section of sand dune mushrooms (Laccaria trullisata) on a small pile of sand behind information board at a trailhead on Richards Loop Trail in Sam Houston National Forest. Texas, March 21, 2021
 False (deer) truffle Elaphomyces granulatus found in sandy soil in a pine forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 False (deer) truffle Elaphomyces granulatus on exposed sandy soil on roadside in a pine forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Brown webcap mushrooms (Cortinarius) with their cross section on mossy ground under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Wooden boardwalk in a swamp at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Bog Rosemary (Andromeda) in a sphagnum swamp at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cross section of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cross section of a stunted cavalier mushroom (Melanoleuca brevipes) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Cottongrass (Eriophorum, Pushitsa in Russian) in a swamp, with houses in Sestroretsk in background at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Old quarry in a forest at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cross section of bitter bracket mushroom (Postia stiptica) on a spruce stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Cross section of a young false saffron milkcap mushroom (Lactarius fennoscandicus) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Bog Rosemary (Andromeda polifolia, Andromeda glaucophylla, Russian name Podbel) in a swamp at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cup fungus Peziza and its side view on a stump in a forest near a pond at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cup fungus Peziza on a stump in a forest near a pond south from Beloostrov at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cross section of inkcap mushrooms Coprinopsis spilospora on partially burned pine litter on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, August 13, 2022
 Texture of cross section of a dyeball mushroom (Pisolithus arhizus) under pine tree on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023
 Boardwalk at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Old quarry at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Cross section of a mature large white mushroom Amanita polypyramis on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
 Cross section of a peach-colored fly agaric mushroom (Amanita persicina) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
 Old quarry with an island at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Top view of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Underside of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Cross section of bitter bracket mushrooms (Postia stiptica) on rotting wood in a dense forest near a summer house at 9a 2nd Borovaya Street in Solnechnoe, west from Saint Petersburg. Russia, August 7, 2024
 The gypsy mushrooms (Cortinarius caperatus) with cross section near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Sandy beach of a quarry at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 A pond in place of an old quarry at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Swamp in pine forest near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013
 Cross section of a young Amanita mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 2, 2024
 Pine forest and a swamp near Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, August 31, 2018
 Royal fly agaric mushrooms (Amanita regalis) with a cross section in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Cross section of brown velvety fibrecap mushrooms Inocybe curvipes(?) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Cross section of young larch bolete mushrooms (Suillus grevillei) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 12, 2024
 Cross section of light grey-brown Tricholoma mushroom in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, December 21, 2021
 Red stinkhorn mushrooms (Mutinus ravenelii) in cross section in Lindulovskaya Larch Grove near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 4, 2024
 Bolete mushrooms Boletinus asiaticus with a cross section in Lindulovskaya Larch Grove near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 4, 2024
 Cross section of neat brown webcap mushrooms Cortinarius esculentus on dry sandy soil under pines near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Vintage objects and jewelry on art installation Cultural Cross-Section (2010) by Sergey Pasukhin in Erarta Museum of Contemporary Art. Saint Petersburg, Russia, August 8, 2024
 Cross section of milk white brittlegill mushroom (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Mushroom Agaricus bitorquis and some amorphous fungal mass in cross section on a lawn of Zhaka Diuklo Street. Saint Petersburg, Russia, July 23, 2024
 Cross section of grey knight mushrooms (Tricholoma terreum group, may be T. moseri) between a red cedar tree and thin pines, on a well drained slope, near a small creek crossing on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, January 20, 2021
 Cross section of a massive brown webcap (Cortinarius) mushroom in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
 Cross section of milkcap mushrooms Lactarius chrysorrheus(?) on overgrown Forest Road 215B on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 14, 2021
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