 Spores (in KOH) of pale brittlestem mushrooms (Psathyrella candolleana) collected in Bee Creek Park. College Station, Texas, April 26, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) in a yard near residential buildings in Saint Petersburg. Russia, August 11, 2024
 Underside of a pale brittlestem mushroom (Psathyrella candolleana) in a yard near residential buildings in Saint Petersburg. Russia, August 11, 2024
 Spores of pale brown waxy corticioid fungus on underside of a fallen birch collected earlier 7/30/2024 in Sosnovka Park, in St. Petersburg, Russia, August 22, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Spores of pale brittlestem mushrooms (Psathyrella candolleana) in iodine solution, collected in Bee Creek Park College Station, Texas, April 25, 2022
 Pale brittlestem mushrooms (Psathyrella candolleana) on a mossy log in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Pale brittlestem mushrooms (Psathyrella candolleana) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
 Spores (in KOH) of mature pale brittlestem mushrooms (Psathyrella candolleana) from a lawn, collected a day before in Wolf Pen Creek Park. College Station, Texas, April 7, 2023
 Pale brittlestem mushrooms (Psathyrella candolleana) on a fallen tree in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Pale brittlestem mushrooms (Psathyrella candolleana) on mulch near Tarkhovka train stop near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Spores (in Lugol solution) of pale brittlestem mushrooms (Psathyrella candolleana(?)) from dry grass on a forest clearing collected in Lick Creek Park. College Station, Texas, September 1, 2022
 Spores of mushrooms Gerronema strombodes collected earlier 8/7/2024 in Solnechnoe, west from Saint Petersburg, Russia, August 23, 2024
 Spores (in KOH) of small dark brown fibrecap (Inocybe) mushrooms collected earlier 8/11/2024 in Saint Petersburg, Russia, August 23, 2024
 Large pale brittlestem mushrooms (Psathyrella candolleana) from cut bushes on mulch near Tarkhovka train stop near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
 Spores (in KOH) of coral mushrooms Clavaria rosea collected earlier 8/13/2024 between Oselki and Toksovo, north from Saint Petersburg, Russia, August 23, 2024
 Spores of small white oysterling mushrooms Hohenbuehelia collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Spores of conifer woodtuft mushrooms (Kuehneromyces lignicola) collected earlier 7/17/2024 in Sosnovka Park, Saint Petersburg, Russia, August 22, 2024
 Spores (in KOH) of fibrecap mushrooms Inocybe curvipes(?) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Spores (in KOH) of mushrooms Panaeolus alcis (spore print black) collected earlier 8/9/2024 in Kuzmolovo, north from Saint Petersburg, Russia, August 23, 2024
 Spores (in lugol) of coral mushrooms Clavaria rosea collected earlier 8/13/2024 between Oselki and Toksovo, north from Saint Petersburg, Russia, August 23, 2024
 Spores of royal fly agaric mushrooms (Amanita regalis) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Pale brittlestem (Psathyrella candolleana) on a lawn in Lick Creek Park. College Station, Texas, April 27, 2024
 Spores of Psilocybe-like gilled mushrooms in moss under spruce trees collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
 Spores of cup mushrooms Peziza succosella(?) collected earlier 7/19/2024 in Lisiy Nos near St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of mushrooms Tephrocybe anthracophila collected earlier 7/22/2024 in Zakhodskoe near St. Petersburg, Russia, August 22, 2024
 Spores of cup mushrooms Plicaria endocarpoides collected earlier 7/22/2024 in Zakhodskoe near St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of pinkgill mushrooms Entoloma lividocyanulum(?) collected earlier 7/19/2024 in Lisiy Nos near St. Petersburg, Russia, August 22, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) taken from Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Spores (in lugol) of pinkgill mushrooms Entoloma lividocyanulum(?) collected earlier 7/19/2024 in Lisiy Nos near St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of pinkgill mushrooms Entoloma lividoalbum collected earlier 7/23/2024 in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Spores of the miller mushrooms (Clitopilus prunulus) collected earlier 7/23/2024 in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Spores of panthercap mushrooms (Amanita pantherina) collected earlier 7/23/2024 in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Pale brittlestem (Psathyrella candolleana) mushrooms near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Spores (in KOH) of small orange webcap mushrooms (Cortinarius)(?) (spore print rusty brown) in sphagnum collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Spores (in KOH) of split fibrecap mushrooms (Inocybe rimosa) collected earlier 7/23/2024 in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Spores of glazed cup mushrooms (Humaria hemisphaerica) collected earlier 7/18/2024 in Alexander Park, Tsarsoe Selo near St. Petersburg, Russia, August 22, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) near Lenin Trail in area of Razliv, north-west from Saint Petersburg, Russia, May 21, 2019
 Pale brittlestem mushrooms (Psathyrella candolleana)(?) on rotten wood east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
 Spores (in KOH) of small white funnel mushrooms on a mossy tree root collected earlier 7/30/2024 in Sosnovka Park, in St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of saffron webcap mushrooms (Cortinarius croceus) (spore print rusty brown, turns black in KOH) in sphagnum collected earlier 8/3/2024 in Petiayarvi, north from Saint Petersburg, Russia, August 23, 2024
 Spores (in lugol) of small white funnel mushrooms on a mossy tree root collected earlier 7/30/2024 in Sosnovka Park, in St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of split fibrecap mushrooms (Inocybe rimosa) (with pointed caps) collected earlier 7/23/2024 in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Spores of a shield dapperling mushroom (Lepiota clypeolaria) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Spores of rooting bonnet mushroom (Mycena megaspora)(?) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Spores (in KOH) of a fibrecap (Inocybe) mushroom collected earlier 8/2/2024 (photo 3586-06) in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Spores of a false saffron milkcap mushroom (Lactarius fennoscandicus) collected earlier 8/2/2024 in Tarkhovka Park, west from Saint Petersburg, Russia, August 23, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) on black background near Lenin Trail in area of Razliv, north-west from Saint Petersburg, Russia, May 21, 2019
 Pale brittlestem mushroom (Psathyrella candolleana)(?) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 Pale brittlestem (Psathyrella candolleana) taken from roadside near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, June 10, 2017
 Spores (in KOH) of red cracking bolete mushroom (Xerocomellus chrysenteron) collected earlier 7/23/2024 (photo 3575-22) in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Spores (in KOH) of red cracking bolete mushroom (Xerocomellus chrysenteron)(?) collected earlier 7/23/2024 (photo 3575-21)(?) in Gardens of Polytechnic Institute, in St. Petersburg, Russia, August 22, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) on Francis Drive. College Station, Texas, November 17, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, June 10, 2019
 Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, February 15, 2018
 Pale brittlestem (Psathyrella candolleana) found in a ditch on Krasnogo Solntsa Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, June 6, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lick Creek Park. College Station, Texas, June 2, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park College Station, Texas, April 25, 2022
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020
 Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn on Anderson Street. College Station, Texas, November 8, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 10, 2019
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Pale brittlestem mushrooms (Psathyrella candolleana) among grass on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020
 Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn in Wolf Pen Creek Park. College Station, Texas, November 5, 2017
 Mature pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Underside of pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Pale brittlestem mushrooms (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
 Caps of pale brittlestem mushrooms (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
 Pale brittlestem mushrooms (Psathyrella candolleana) near a road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 19, 2021
 Gills of a pale brittlestem mushroom (Psathyrella candolleana) in Bee Creek Park College Station, Texas, April 25, 2022
 Side view of pale brittlestem mushrooms (Psathyrella candolleana) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 19, 2021
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in College Station Cemetery. College Station, Texas, October 25, 2021
 Gills of a pale brittlestem mushroom (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
 Pale brittlestem mushrooms (Psathyrella candolleana) on a grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Dissected pale brittlestem mushrooms (Psathyrella candolleana) on a grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Brittlestem mushrooms Psathyrella candolleana in Lick Creek Park. College Station, Texas, July 5, 2019
 Spores of brittlestem (Psathyrella) mushrooms from a dry shallow creek collected in Sam Houston National Forest. Texas, June 15, 2022
 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
 Spores (in KOH) of chestnut brittlestem mushrooms (Homophron spadiceum) collected in Wolf Pen Creek Park. College Station, March 8, 2024
 Brittlestem (Psathyrella) mushrooms near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Lembolovo, north from Saint Petersburg. Russia, August 24, 2018
 Spores and cystidia of brittlestem mushrooms (Psathyrella) from wet muddy soil, collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023
 Spores (in KOH, spore print black) of brittlestem mushrooms (Psathyrella) found near a primitive campground, collected in Sam Houston National Forest north from Montgomery. Texas, November 12, 2023
 Spores of pale milkcap mushrooms (Lactarius) collected under oaks in Lake Bryan Park. Bryan, Texas, May 9, 2024
 Brittlestem (Psathyrella) mushrooms in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Brittlestem mushrooms (Psathyrella) on roadside mulch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Spores of brown brittlestem mushrooms (Psathyrella) found near crossing with a forest road, collected in Sam Houston National Forest. Texas, September 3, 2022
 Spores of orange and brown brittlestem mushrooms (Psathyrella) (spore print brown) collected in Sam Houston National Forest. Texas, September 3, 2022
 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
 Pale oyster mushrooms (Pleurotus pulmonarius) on a stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Brittlestem (Psathyrella) mushrooms among charcoal in a roadside ditch on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
 Spores of Psathyrella mushrooms from wood chips, in a forest cleaned 2 years ago, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Tissues and spores (under x100 objective) of brittlestem mushrooms (Psathyrella) from wet muddy soil, collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023
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