 Cluster of brown brittlestem mushrooms Psathyrella cernua (Homophron cernuum)(?) on the central alley in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Brittlestem mushrooms Psathyrella cernua (Homophron cernuum)(?) near a birch tree on the central alley in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Brown and pale buff-brown caps of brittlestem mushrooms Psathyrella corrugis on wood chips in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Group of chestnut brittlestem mushrooms (Homophron spadiceum) at the base of a tree near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018
 Brittlestem mushrooms Psathyrella corrugis on mulch in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Lembolovo, north from Saint Petersburg. Russia, August 24, 2018
 Some brown fibrecap (Cortinarius) mushrooms in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Young brittlestem mushrooms Psathyrella corrugis on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Brittlestem mushrooms Psathyrella corrugis on wood chips in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Brittlestem mushrooms Psathyrella corrugis on mulch, on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Fading caps of brittlestem mushrooms Psathyrella corrugis on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Fairy inkcap (Coprinellus disseminatus) mushrooms together with chestnut brittlestem (Homophron spadiceum) in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Some brown webcap (Cortinarius) mushrooms under linden trees in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Small brown fibrecap (Cortinarius)(?) mushrooms on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) on a base of a tree in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in a ditch on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Spores (in KOH, spore print brown) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Group of horse mushrooms (Agaricus arvensis(?)) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Dissected spring brittlestem mushroom (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Close up of spring brittlestem mushroom (Psathyrella spadiceogrisea) on Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 24, 2017
 Brittlestem mushrooms Psathyrella corrugis(?) on mulch near railroad in Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
 Group of yellowing knight mushrooms (Tricholoma scalpturatum) or may be T. alboconicum in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Pale brittlestem (Psathyrella candolleana) found in a ditch on Krasnogo Solntsa Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, June 6, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum)(?) near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in Lick Creek Park. College Station, Texas, October 30, 2018
 Chestnut brittlestem mushrooms (Homophron spadiceum) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 Group of red edge brittlestem mushrooms (Psathyrella corrugis, Psathyrella gracilis) on a mulched path in Bee Creek Park. College Station, Texas, December 14, 2018
 Common stump brittlestem mushrooms (Psathyrella piluliformis)(?) on a forest cutting in Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a mossy stump near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a peninsula of 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 Some brown fibrecap (Inocybe) mushrooms in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Group of brittlestem (Psathyrella) mushrooms on wood chips under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
 Spring brittlestem mushrooms Psathyrella spadiceogrisea from Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Group of young conical brittlestem mushrooms (Parasola conopilus) on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Some Hebeloma(?) mushrooms on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Some small Hebeloma mushrooms in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Some pinkgill (Entoloma) mushrooms in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Common stump brittlestem mushrooms (Psathyrella piluliformis)(?) on mulch on a forest cutting near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
 Some brown fibrecap (Inocybe) mushrooms on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Pale brown brittlegill mushrooms (Russula) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Early spring brittlestem mushrooms Psathyrella spadiceogrisea in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017
 Fly agaric mushrooms (Amanita muscaria) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Brittlegill mushrooms Russula pectinata(?) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Brown birch bolete mushrooms (Leccinum scabrum) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Brittlegill (Russula) mushrooms with dark brown center in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
 Brown birch bolete mushrooms (Leccinum scabrum) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Fly agaric mushrooms (Amanita muscaria) behind a memorial in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Yellowing knight mushrooms (Tricholoma scalpturatum) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Pinkgill mushrooms Entoloma araneosum on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Pinkgill mushrooms Entoloma lividoalbum on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Northern honey mushrooms (Armillaria borealis) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Vampires bane mushrooms (Mycetinis scorodonius) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Waxy pale brown fibrecap mushrooms Inocybe grammata(?) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Terracotta hedgehog mushrooms (Hydnum rufescens)(?) on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Young chemical knight mushrooms (Tricholoma stiparophyllum) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Yellowing knight mushrooms (Tricholoma scalpturatum) on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Small pinkish brittlegill (Russula) mushrooms on a lawn in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Spores (in KOH) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Common stump brittlestem mushrooms (Psathyrella piluliformis)(?) on wood chips on a forest cutting under power lines near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
 Toothed toughshank mushrooms (Rhodocollybia prolixa)(?) at a base of a tree in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Pinkgill mushrooms Entoloma lividoalbum on a lawn under maples behind a memorial in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Underside of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) at the base of a hackberry tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2023
 Basidia and spores of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Tissues (in Congo Red) of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Cystidia and spores of chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) from the base of a hackberry tree, collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in Sablino, south from Saint Petersburg. Russia, May 25, 2017
 Spores of orange and brown brittlestem mushrooms (Psathyrella) (spore print brown) collected in Sam Houston National Forest. Texas, September 3, 2022
 Brown brittlestem mushrooms Psathyrella clivensis(?) at the bottom of Popovka river canyon in Pyazelevo near Pavlovsk, south from Saint Petersburg. Russia, May 10, 2019
 Group of a pinkgill mushroom Entoloma undatum on a lawn under a large tree in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Side view of Terracotta hedgehog mushrooms (Hydnum rufescens)(?) on a lawn under maples in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 Chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) (cap 10 cm, stem 2 cm thick) at the base of a hackberry tree in area of oxbows, on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 15, 2023
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea)(?) at Road 41K-064 south from Mys Moryin Nos, east from Saint Petersburg. Russia, May 26, 2017
 Brittlestem mushrooms Psathyrella obtusata on roadside in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Close up of brittlestem mushrooms Psathyrella obtusata in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) taken from Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Brittlestem mushrooms Psathyrella obtusata(?) taken from roadside near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Brittlestem mushrooms Psathyrella prona(?) taken from roadside near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Crested coral mushrooms (Clavulina coralloides) infected by ascomycete fungus Helminthosphaeria clavariarum under maples in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Small brittlestem mushrooms Psathyrella prona(?) taken from roadside near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Caps of brittlestem mushrooms Psathyrella obtusata on roadside in area of Dibuny - Pesochny, near Saint Petersburg. Russia, June 3, 2017
 Brittlestem mushrooms Psathyrella obtusata(?) on roadside near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, June 10, 2017
 Clustered brittlestem mushrooms (Psathyrella multipedata)(?) in a ditch near Dibuny, north-west from Saint Petersburg, Russia, June 14, 2017
 Brittlestem mushrooms (Psathyrella obtusata)(?) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Brittlestem mushrooms (Psathyrella obtusata)(?) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
 Brittlestem mushrooms (Psathyrella obtusata)(?) on roadside near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Brittlestem mushrooms (Psathyrella obtusata)(?) on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017
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