 Ochre brittlegill mushrooms (Russula ochroleuca) in Sosnovka Park. Saint Petersburg, Russia, July 12, 2017
 Green brittlegill mushroom (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 Cracked cap of milk-white brittlegill mushroom (Russula delica) in Sosnovka Park. Saint Petersburg, Russia, July 12, 2017
 Red brittlegill mushrooms (Russula) in Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 Yellow brittlegill (Russula) mushrooms in Sosnovka Park. Saint Petersburg, Russia, July 20, 2017
 Green brittlegill mushrooms (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Common yellow brittlegill (Russula ochroleuca) mushroom near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
 Milk-white brittlegill mushrooms (Russula delica) in Sosnovka Park. Saint Petersburg, Russia, July 12, 2017
 Bare teeth brittlegill mushrooms (Russula vesca) in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Winecork brittlegill mushrooms (Russula adusta) on a lawn in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Group of milk-white brittlegill mushrooms (Russula delica) in Sosnovka Park. Saint Petersburg, Russia, July 12, 2017
 Underside of brittlegill (Russula) mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Common yellow brittlegill (Russula ochroleuca) mushrooms in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Cracked cap of a mature brittlegill (Russula) mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Top view of a brown brittlegill (Russula) mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Top view of a pink brittlegill (Russula) mushroom when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Group of common yellow brittlegill (Russula ochroleuca) mushrooms in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Red brittlegill (Russula) mushrooms in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Orange brittlegill (Russula) mushrooms in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Pink brittlegill (Russula) mushrooms in moss in Sosnovka Park. Saint Petersburg, Russia, September 2, 2017
 First in season brittlegill mushrooms Russula nauseosa(?) in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Green brittlegill mushrooms (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 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
 Stinking brittlegill mushroom (Russula foetens) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Milk white brittlegill mushroom (Russula delica) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Yellow brittlegill mushrooms (Russula claroflava(?)) partially lit by ultraviolet light in Sosnovka Park. Saint Petersburg, Russia, July 30, 2024
 Ochre spreading tooth mushroom (Steccherinum ochraceum) on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
 Ochre cushion fungus (Trichoderma pulvinatum) on a birch polypore mushroom in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Ochre spreading tooth mushroom (Steccherinum ochraceum) on a broken tree in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Birch polypore mushroom with a mold like ochre cushion fungus (Trichoderma pulvinatum) in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Dark green brittlegill (Russula) mushroom in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Fragile brittlegill mushroom (Russula fragilis) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 Green brittlegill mushrooms (Russula aeruginea) on a trail across the swamp in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
 Gills of a dark green brittlegill (Russula) mushroom in Dubki Park. Sestroretsk near Saint Petersburg, Russia, September 5, 2017
 Group of green brittlegill mushrooms (Russula aeruginea) on a trail across the swamp in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
 Pink brittlegill mushrooms (Russula) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 Red brittlegill mushrooms (Russula) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 14, 2017
 Primrose brittlegill mushrooms Russula sardonia in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Brittlegill mushroom Russula paludosa near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Brittlegill mushrooms Russula pectinata(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Copper brittlegill mushrooms (Russula decolorans(?)) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Menthol brittlegill mushrooms (Russula albonigra) near Pesochnaya, north-west from Saint Petersburg. Russia, July 23, 2017
 Pale brown brittlegill mushrooms (Russula) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Brittlegill mushrooms Russula pectinata near a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Milk-white brittlegill mushrooms (Russula delica) in Sosnovka Park. Saint Petersburg, Russia, September 4, 2018
 Red brittlegill (Russula) mushroom west from Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, September 15, 2017
 Fragile brittlegill mushroom (Russula fragilis) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017
 Pale violet brittlegill (Russula) mushroom near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
 Red brittlegill (Russula sp.) mushrooms on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
 Ochre Bracket mushrooms (Trametes ochracea)(?) on a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Pink brittlegill (Russula) mushroom in moss on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Tall brittlegill mushroom (Russula paludosa) near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
 Ochre Bracket mushrooms (Trametes ochracea)(?) collected from a stump of mountain ash in Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Brown-red brittlegill mushroom (Russula, Russian name Syroezhka) growing in sand near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Underside of a bleached brittlegill mushroom (Russula exalbicans) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Brittlegill mushroom (Russula, Russian name Syroezhka) in moss near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Brittlegill mushroom (Russula, Russian name Syroezhka) on a tree stump near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Milk white brittlegill mushroom (Russula delica(?)) in grass on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Underside of milk white brittlegill mushroom (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Gills of milk white brittlegill mushroom (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Brittlegill mushrooms Russula exalbicans and a brown birch bolete (Leccinum scabrum) on a lawn at 12K3 Tikhoretsky Prospect. Saint Petersburg, Russia, July 1, 2017
 Ochre Bracket mushrooms (Trametes ochracea) on a stump of small birch in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Greying brittlegill mushroom (Russula decolorans) together with Russula covered by fungus Hypomyces viridis in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
 Grass-green brittlegill mushroom (Russula aeruginea, Russian name Syroezhka) in moss between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, July 27, 2016
 Cross section of milk white brittlegill mushroom (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Ochre Bracket mushrooms (Trametes ochracea) collected from a stump of small birch in swampy area of Sosnovka Park. Saint Petersburg, Russia, April 8, 2017
 Brittlegill mushrooms Russula pectinata(?) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Menthol brittlegill mushrooms (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 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
 Small pinkish brittlegill (Russula) mushrooms on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Brittlegill (Russula sp.) mushroom in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013
 Red brittlegill (Russula sp.) mushroom in Okhtinsky Park in Toksovo, 8 miles north from Saint Petersburg. Russia, September 13, 2013
 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
 Brown brittlegill mushroom (Russula consobrina) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013
 Ochre spreading tooth mushroom (Steccherinum ochraceum) taken from Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Stinking russula mushroom (Russula foetens, Russian name Valuy) in Alexander Park in Pushkin, suburb of Saint Petersburg. Russia, July 31, 2016
 Blackened mature menthol brittlegill mushroom (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Dissected egg of a stinkhorn mushroom Mutinus ravenelii taken from Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 Egg stage of a stinkhorn mushroom Mutinus ravenelii in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Egg stage of a stinkhorn mushroom Mutinus ravenelii from Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 Oyster mushroom (Pleurotus ostreatus) on a stump in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Stinking brittlegill mushrooms (Russula foetens) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, August 5, 2017
 Bright red brittlegill (Russula) mushrooms near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Winecork brittlegill mushrooms (Russula adusta) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Green brittlegill mushrooms (Russula aeruginea) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Some violet brittlegill mushrooms (Russula) near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017
 Stinking brittlegill mushrooms (Russula foetens) near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
 Purple brittlegill mushrooms (Russula) near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Large whitelaced shank mushroom (Megacollybia platyphylla) in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
 Inkcap mushroom Coprinopsis lagopides on an old campfire site in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 Brown birch bolete mushroom (Leccinum scabrum) in Sosnovka Park. Saint Petersburg, Russia, July 30, 2017
 Brown brittlegill mushrooms (Russula) in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
 Purple brittlegill mushrooms (Russula) in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
 Brittlegill mushrooms Russula pectinata(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Bare teeth brittlegill mushrooms (Russula vesca) near Kuzmolovo, north from Saint Petersburg. Russia, August 10, 2017
 Winecork brittlegill mushrooms (Russula adusta) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
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