 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
 Blackening brittlegill mushrooms (Russula nigricans) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 Cross section of blackening brittlegill mushroom (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
 Winecork brittlegill mushrooms (Russula adusta) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cross section of brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Cross section of milk white brittlegill mushroom (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Greying brittlegill mushroom (Russula decolorans) near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
 Cross section of blackening brittlegill mushrooms (Russula) in Hensel Park. College Station, Texas, May 8, 2023
 Tall brittlegill mushroom (Russula paludosa) between Orekhovo and Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Greying brittlegill mushroom (Russula decolorans) between Orekhovo and Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 The gypsy mushrooms (Cortinarius caperatus) with cross section near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cross section of blackening brittlegill mushrooms (Russula eccentrica)(?) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, July 11, 2021
 Cross section of milk white brittlegill mushrooms (Russula delica(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Blackening brittlegill mushrooms Russula densifolia on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 1, 2020
 Brown webcap mushrooms (Cortinarius) with their cross section on mossy ground under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Winecork brittlegill mushrooms (Russula adusta) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Dissected blackening brittlegill mushrooms Russula densifolia on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 1, 2020
 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
 Bare teeth brittlegill mushrooms (Russula vesca) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Cross section of a white brittlegill (Russula) mushroom in Lick Creek Park. College Station, Texas, May 3, 2024
 Bare teeth brittlegill mushrooms (Russula vesca) between Orekhovo and Lembolovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Brown-red brittlegill mushroom (Russula, Russian name Syroezhka) growing in sand near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 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
 Pink brittlegill (Russula) mushrooms in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Brittlegill mushroom Russula flavida with a cross section on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 23, 2021
 Cross section of a pale brittlegill (Russula) mushroom on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 14, 2021
 Cross section of partially dried brittlegill mushroom Russula compacta in Bastrop State Park. Bastrop, Texas, May 17, 2024
 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 a brittlegill mushroom Russula eccentrica on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
 Winecork brittlegill mushrooms (Russula adusta) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Cross section of a stunted cavalier mushroom (Melanoleuca brevipes) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Blackened mature menthol brittlegill mushroom (Russula albonigra) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Pink brittlegill (Russula) mushrooms with darkening gills in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Asterophora parasitica mushroom on a rotten cap of Russula mushroom near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
 Blackening brittlegill mushrooms (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
 Blackening brittlegill mushrooms (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
 Red brittlegill mushrooms (Russula, Russian name Syroezhka) near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Purple brittlegill mushrooms (Russula) near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Bright red brittlegill (Russula) mushrooms near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Red brittlegill (Russula sp.) mushroom west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Brittlegill mushroom Russula paludosa near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Green brittlegill mushrooms (Russula aeruginea) near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Pale violet brittlegill (Russula) mushroom near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
 Tall brittlegill mushroom (Russula paludosa(?)) in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
 Fragile brittlegill mushroom (Russula fragilis) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017
 Violet brittlegill (Russula sp.) mushroom west from Kannelyarvi, 40 miles north from Saint Petersburg. Russia, August 7, 2012
 Blackening brittlegill (Russula eccentrica), Lactarius and Phylloporus mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
 Grey brittlegill mushrooms (Russula, Russian name Syroezhka) on roadside near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Pink brittlegill mushrooms (Russula, Russian name Syroezhka) between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, July 27, 2016
 Red brittlegill (Russula sp.) mushroom near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
 Cross section of a tan colored brittlegill (Russula) mushroom at the base of an old pine stump on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Montgomery. Texas, January 1, 2024
 Stinking brittlegill mushrooms (Russula foetens) with cross section in Lick Creek Park. College Station, Texas, May 3, 2024
 Violet brittlegill mushrooms (Russula, Russian name Syroezhka) growing in sand near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Violet brittlegill mushrooms (Russula, Russian name Syroezhka) on roadside between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, July 27, 2016
 Tall brittlegill mushroom (Russula paludosa) near Kavgolovo Lake south from Oselki, north from Saint Petersburg. Russia, August 6, 2012
 Yellow-green fungus Hypomyces luteovirens on brittlegill mushrooms in cross section in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Foetid brittlegill mushroom Russula mutabilis in cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
 Common yellow brittlegill (Russula ochroleuca) mushroom near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
 Cap of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
 Cross section of brown brittlegill (Russula) mushrooms on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 24, 2024
 Pink brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Cross section of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Underside of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
 Gills of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
 Underside of pink brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Red brittlegill (Russula) mushrooms under spruce trees in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Grey brittlegill (Russula) mushrooms in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Brittlegill mushrooms Russula eccentrica with a cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
 Blackening cross section of a bolete mushroom Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 1, 2020
 Cross section of gassy webcap mushroom (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) with cross section in Lick Creek Park. College Station, Texas, June 1, 2021
 Close-up of blackening cross section of a bolete mushroom Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 1, 2020
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) in cross section on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Pale brown, almost white fragile brittlegill (Russula) mushrooms in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Pink brittlegill (Russula) mushroom in moss on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Blue tooth mushroom (Hydnellum caeruleum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Mushroom Arrhenia sphagnicola in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cross section of white brittlegill mushrooms Russula perlactea at the base of a pine tree on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, September 18, 2020
 Underside of brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Cross section of a brittlegill mushroom close to Russula compacta on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 18, 2020
 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
 Brittlegill (Russula sp.) mushroom in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013
 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
 Cross section of some robust pink brittlegill (Russula) mushroom on a sandy slope of the creek at its crossing near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, July 11, 2021
 Underside of a bleached brittlegill mushroom (Russula exalbicans) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Cross section of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Small pinkgill mushroom (Entoloma) in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Small mealy tooth mushroom (Hydnellum ferrugineum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Small Mycena mushroom and Mycetinis scorodonius under pines near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Fragile brittlegill mushroom (Russula fragilis) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017
 Light brown brittlegill (Russula) mushrooms on an old sand dune overgrown by pine forest in Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
 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
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