 Underside of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Top view of a grey brittlegill (Russula) mushroom in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Coprin de Romagnesi mushrooms (Coprinopsis romagnesiana) near a big oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Common earthball mushrooms (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Mature common earthball mushrooms (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Chicken of the woods mushrooms (Laetiporus sulphureus) on an oak stump(?) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Underside of Coprin de Romagnesi mushrooms (Coprinopsis romagnesiana) near an oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Mature Chicken of the woods mushrooms (Laetiporus sulphureus) on a giant oak in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Powdery mildew of oak (Erysiphe alphitoides) on oak seedlings in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Oak seedlings discolored by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Top view of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Gills of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Section of a common earthball mushroom (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Section of an oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Dark green brittlegill (Russula) mushroom in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Close-up of section of a common earthball mushroom (Scleroderma citrinum) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Gills of a dark green brittlegill (Russula) mushroom in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Whitish covering of oak leaves caused by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Orange brittlegill mushrooms Russula paludosa(?) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Common yellow brittlegill (Russula ochroleuca) mushrooms in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Group of common yellow brittlegill (Russula ochroleuca) mushrooms in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Pink brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Elf caps mushrooms (Mycena inclinata) in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Yellow mushrooms Hypholoma sp.(?) among dry leaves in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Red brittlegill (Russula) mushrooms under spruce trees in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Underside of pink brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Young honey mushrooms Armillaria borealis(?) in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Pale brown, almost white fragile brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) on a tree stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Pink brittlegill (Russula) mushrooms in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Road in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Winecork brittlegill mushrooms (Russula adusta) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Winecork brittlegill mushrooms (Russula adusta) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Pink brittlegill (Russula) mushrooms with darkening gills in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Grey brittlegill mushrooms (Russula, Russian name Syroezhka) on roadside near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Fly agaric (Amanita muscaria) mushroom in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
 Brittlegill mushrooms Russula mutabilis under oaks in Lick Creek Park. College Station, Texas, May 13, 2024
 Red brittlegill (Russula) mushrooms in a dense forest near a summer house at 9a 2nd Borovaya Street in Solnechnoe, west from Saint Petersburg. Russia, August 7, 2024
 Stinking brittlegill mushrooms (Russula foetens) under oaks in Lick Creek Park. College Station, Texas, May 3, 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
 Swamp brittlegill mushrooms (Russula paludosa) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Blackened mature menthol brittlegill mushroom (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Yellow brittlegill mushrooms (Russula claroflava(?)) in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Mature and a young pink brittlegill (Russula) mushrooms in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Top view of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Underside of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Primrose brittlegill mushrooms Russula sardonia in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Cross section of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Yellow brittlegill mushrooms (Russula claroflava(?)) partially lit by ultraviolet light in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Menthol brittlegill mushrooms (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) under small oaks in Lick Creek Park. College Station, Texas, June 1, 2021
 Dissected menthol brittlegill mushrooms (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 Milk white brittlegill mushrooms (Russula delica)(?) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 Winecork brittlegill mushrooms (Russula adusta) near Lisiy Nos, west from Saint Petersburg. Russia, July 19, 2024
 Yellow brittlegill mushrooms (Russula) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Brittlegill mushrooms Russula pectinata(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Young stinking brittlegill mushrooms (Russula foetens) near Lisiy Nos, west from Saint Petersburg. Russia, July 19, 2024
 Underside of winecork brittlegill mushrooms (Russula adusta) near Lisiy Nos, west from Saint Petersburg. Russia, July 19, 2024
 Orange brittlegill (Russula) mushrooms near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Milk white brittlegill mushrooms (Russula delica) on a lawn in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, July 31, 2024
 Bleached brittlegill mushrooms (Russula exalbicans) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Stinking brittlegill mushrooms (Russula foetens, Russian name Valuy) near Lisiy Nos, west from Saint Petersburg. Russia, July 19, 2024
 Greying brittlegill mushroom (Russula decolorans) together with Russula covered by fungus Hypomyces viridis in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
 Brittlegill mushrooms Russula exalbicans near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2018
 Blackening brittlegill mushrooms (Russula nigricans) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Stinking brittlegill mushrooms (Russula foetens) near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
 Melanoleuca strictipes mushrooms in Dubki Park. Sestroretsk, west from Saint Petersburg, Russia, May 31, 2014
 Melanoleuca(?) mushrooms near a beach in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Stinking brittlegill mushrooms (Russula foetens) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, August 5, 2017
 Caps of bleached brittlegill mushrooms (Russula exalbicans) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Milk white brittlegill mushrooms (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Stinking brittlegill mushrooms (Russula foetens) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Milk white brittlegill mushrooms (Russula delica)(?) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, August 20, 2018
 The flirt brittlegill mushrooms (Russula vesca(?)) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
 Bare teeth brittlegill mushrooms (Russula vesca) near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Pale orange brittlegill mushrooms (Russula) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Brittlegill mushrooms Russula pectinata on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Brittlegill mushrooms Russula pectinata(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Brittlegill mushrooms (Russula albonigra, Russian name Podgruzdok) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Brown brittlegill mushrooms (Russula) west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Pink brittlegill mushrooms Russula paludosa(?) near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Stinking brittlegill mushrooms (Russula foetens) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Winecork brittlegill mushrooms (Russula adusta) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Some brittlegill (Psathyrella)(?) mushrooms on rotted birch wood on a forest road in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Deceiver mushrooms (Laccaria laccata)(?) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Yellow brittlegill mushrooms (Russula risigallina, Russula lutea) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
 Violet brittlegill mushrooms (Russula) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Brown brittlegill mushrooms (Russula) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Dark red brittlegill mushrooms (Russula) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Milk white brittlegill mushrooms (Russula delica) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Brittlegill (Russula) mushrooms with dark brown center in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Dark red crab brittlegill mushrooms (Russula xerampelina) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 11, 2017
 Bare teeth brittlegill mushrooms (Russula vesca) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Group of brittlegill (Psathyrella)(?) mushrooms on rotted birch wood on a forest road in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Cross section of milk white brittlegill mushrooms (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Large mature milk white brittlegill mushrooms (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Green-violet brittlegill mushrooms (Russula) near a road west from Kavgolovskoe Lake (Syariunlakhti), near Toksovo. North from Saint Petersburg, Russia, July 26, 2024
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