 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) among grass on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, June 10, 2019
 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 Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn in Wolf Pen Creek Park. College Station, Texas, November 5, 2017
 Underside of pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Mature pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 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 (Psathyrella candolleana) on a lawn in Lick Creek Park. College Station, Texas, April 27, 2024
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lick Creek Park. College Station, Texas, June 2, 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 College Station Cemetery. College Station, Texas, October 25, 2021
 Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, February 15, 2018
 Spores (in KOH) of pale brittlestem mushrooms (Psathyrella candolleana) collected in Bee Creek Park. College Station, Texas, April 26, 2024
 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 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
 Gills of a pale brittlestem mushroom (Psathyrella candolleana) in Bee Creek Park College Station, Texas, April 25, 2022
 Pale brittlestem mushrooms (Psathyrella candolleana) on Francis Drive. College Station, Texas, November 17, 2017
 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
 Brittlestem mushrooms Psathyrella candolleana in Lick Creek Park. College Station, Texas, July 5, 2019
 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) 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
 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 (Psathyrella candolleana) taken from roadside near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, June 10, 2017
 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
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Pale brittlestem mushrooms (Psathyrella candolleana) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) taken from Posiolok near Vyritsa, south from Saint Petersburg, Russia, July 9, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) in a yard near residential buildings in Saint Petersburg. Russia, August 11, 2024
 Pale brittlestem (Psathyrella candolleana) mushrooms near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Pale brittlestem mushrooms (Psathyrella candolleana) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
 Pale brittlestem mushrooms (Psathyrella candolleana) on a mossy log in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 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) 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
 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
 Pale brittlestem mushrooms (Psathyrella candolleana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 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 pale brittlestem mushrooms (Psathyrella candolleana) collected earlier 8/11/2024 in Saint Petersburg, Russia, August 23, 2024
 Pale brittlestem mushroom (Psathyrella candolleana)(?) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 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
 Underside of a pale brittlestem mushroom (Psathyrella candolleana) in a yard near residential buildings in Saint Petersburg. Russia, August 11, 2024
 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
 Brittlestem (Psathyrella) mushrooms on a recent cutting through oak forest in Lick Creek Park. College Station, Texas, June 28, 2019
 Brittlestem (Psathyrella) mushrooms in Lick Creek Park. College Station, Texas, June 2, 2020
 Red edge brittlestem mushrooms (Psathyrella corrugis, Psathyrella gracilis) on wood chips in Bee Creek Park. College Station, Texas, December 14, 2018
 Red edge brittlestem mushrooms (Psathyrella corrugis, Psathyrella gracilis) on a mulched path in Bee Creek Park. College Station, Texas, December 14, 2018
 Group of red edge brittlestem mushrooms (Psathyrella corrugis, Psathyrella gracilis) on a mulched path in Bee Creek Park. College Station, Texas, December 14, 2018
 Gills of red edge brittlestem mushrooms (Psathyrella corrugis, Psathyrella gracilis) on a mulched path in Bee Creek Park. College Station, Texas, December 14, 2018
 Close-up of small brittlestem mushrooms (Psathyrella) in Lick Creek Park. College Station, Texas, June 26, 2020
 Small brittlestem mushrooms (Psathyrella) on mulch in Lick Creek Park. College Station, Texas, June 26, 2020
 Brittlestem mushrooms Psathyrella umbonata on a recent cutting in Lick Creek Park. College Station, Texas, June 21, 2018
 Dissected brittlestem mushroom (Psathyrella) taken from a lawn on Anderson Street. College Station, Texas, October 22, 2017
 Caps of brittlestem mushrooms Psathyrella atrospora in Bee Creek Park. College Station, Texas, November 3, 2017
 Close-up of brittlestem mushrooms Psathyrella atrospora in Bee Creek Park. College Station, Texas, November 11, 2021
 Brittlestem (Psathyrella) mushrooms on mulch in Lick Creek Park. College Station, Texas, September 11, 2018
 Brittlestem mushrooms Psathyrella atrospora on a trail in Bee Creek Park. College Station, Texas, November 3, 2017
 Brittlestem mushrooms Psathyrella atrospora on wood chips in Bee Creek Park. College Station, Texas, November 3, 2017
 Brittlestem mushrooms Psathyrella atrospora growing on a trail in Bee Creek Park. College Station, Texas, November 3, 2017
 Brittlestem mushrooms Psathyrella umbonata on a sewage cutting in Lick Creek Park. College Station, Texas, January 15, 2020
 Small brittlestem (Psathyrella) mushrooms in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Brittlestem (Psathyrella) mushrooms on wood chips near Nature Center in Lick Creek Park. College Station, Texas, August 24, 2022
 Side view of brittlestem mushrooms Psathyrella atrospora on wood chips in Bee Creek Park. College Station, Texas, November 11, 2021
 Brittlestem mushrooms Psathyrella atrospora growing on wood chips on a trail in Bee Creek Park. College Station, Texas, November 3, 2017
 Chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in Lick Creek Park. College Station, Texas, October 30, 2018
 Brittlestem mushrooms Psathyrella atrospora on wood chips on a path in bushes in Bee Creek Park. College Station, Texas, November 11, 2021
 Brittlestem mushrooms Psathyrella umbonata on disturbed soil of a recent sewage cutting in Lick Creek Park. College Station, Texas, January 15, 2020
 Masses of tall brittlestem mushrooms Psathyrella longipes(?) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
 Pale brown brittlestem mushrooms (Psathyrella) among pine needles near crossing with a forest road on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 3, 2022
 Pale violet brittlegill (Russula) mushrooms in Lick Creek Park. College Station, Texas, June 28, 2019
 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
 Tall brittlestem mushrooms Psathyrella longipes(?) growing in large number near a road in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
 Brittlestem (Psathyrella) mushrooms on wood chips under utility poles in Lemontree Park. College Station, Texas, November 4, 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 mulch, on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 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
 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
 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
 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
 Pale grey grisette mushrooms (Amanita sect. Vaginatae) in Lick Creek Park. College Station, Texas, June 28, 2019
 Pale violet brittlegill mushrooms on a lawn in Bee Creek Park. College Station, Texas, October 25, 2021
 Group of brittlestem (Psathyrella) mushrooms on wood chips under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
 Fading caps of brittlestem mushrooms Psathyrella corrugis on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Underside of pale grey grisette mushrooms (Amanita sect. Vaginatae) in Lick Creek Park. College Station, Texas, June 28, 2019
 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, 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
 Spores of brittlestem (Psathyrella) mushrooms from a dry shallow creek collected in Sam Houston National Forest. Texas, June 15, 2022
 Side view of pale violet brittlegill mushrooms on a lawn in Bee Creek Park. College Station, Texas, October 25, 2021
 Cross section of pale violet brittlegill mushrooms on a lawn in Bee Creek Park. College Station, Texas, October 25, 2021
 Meadow mushrooms Agaricus campestris on a lawn in Bee Creek Park. College Station, Texas, June 10, 2019
 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
 Tissues and spores of small brown brittlestem (Psathyrella)(?) mushroom, in Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
|