 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
 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
 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
 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
 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
 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
 Chestnut brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in Lick Creek Park. College Station, Texas, October 30, 2018
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) on a base of a tree in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 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) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Lembolovo, north from Saint Petersburg. Russia, August 24, 2018
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Spores (in KOH) of chestnut brittlestem mushrooms (Homophron spadiceum) collected in Wolf Pen Creek Park. College Station, March 8, 2024
 Mature chestnut brittlestem mushrooms (Homophron spadiceum) at the base of large living elm in Wolf Pen Creek Park. College Station, March 8, 2024
 Chestnut brittlestem mushrooms (Homophron spadiceum) at the base of large living elm on a lawn (spore print light brown) in Wolf Pen Creek Park. College Station, March 8, 2024
 Group of chestnut brittlestem mushrooms (Homophron spadiceum) at the base of a tree near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Cluster of brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Gills of brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Underside of brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Close-up of gills of brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Side view of brittlestem mushrooms Homophron spadiceum (Psathyrella spadicea) in front of a mouse burrow in an old elm tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 31, 2021
 Chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 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 Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a peninsula of 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a mossy stump near Dibuny, north-west from Saint Petersburg. Russia, August 20, 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
 Spores of Gymnopus mushrooms at the base of hackberry tree collected in Hensel Park. College Station, Texas, May 12, 2024
 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
 Tissues and spores of small brown brittlestem (Psathyrella)(?) mushroom, in Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Cystidia(?) and spores of small brown brittlestem (Psathyrella)(?) mushroom, in Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Spores (in KOH) of pale brittlestem mushrooms (Psathyrella candolleana) collected in Bee Creek Park. College Station, Texas, April 26, 2024
 Oyster mushrooms (Pleurotus ostreatus) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, December 4, 2023
 Spores of pale brittlestem mushrooms (Psathyrella candolleana) in iodine solution, collected in Bee Creek Park College Station, Texas, April 25, 2022
 Spores (in KOH, spore print black) of small brown brittlestem (Psathyrella)(?) mushroom from a path in Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 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
 Tissues and spores at low magnification of small brown brittlestem (Psathyrella)(?) mushroom from a path with wood chips, in Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Spores shaped as viruses or blood clots of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry tree, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 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
 Spores of corticioid fungus from pecan, green ash or hackberry, collected a day before on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 8, 2023
 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
 Polygonal spores of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Ringless honey mushrooms (Desarmillaria caespitosa, former D. tabescens) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, October 18, 2021
 Spores of mushrooms Amanita bisporigera collected in Lick Creek Park. College Station, Texas, November 9, 2023
 Spores of mushrooms Amanita texasorora collected in Lick Creek Park. College Station, Texas, November 9, 2023
 Polygonal spores at low magnification of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 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
 Groups of ringless honey mushrooms (Desarmillaria caespitosa, former D. tabescens) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, October 18, 2021
 Large spores of unusual shape of corticioid mushroom Dendrothele macrodens from bark of a recently fallen big hackberry, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Spores of brittlestem (Psathyrella) mushrooms from a dry shallow creek collected in Sam Houston National Forest. Texas, June 15, 2022
 Masses of small brown brittlestem (Psathyrella)(?) mushroom on a path in Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Close-up of small brown brittlestem (Psathyrella)(?) mushroom on a path in Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Spores of earthball mushrooms Scleroderma bovista (in KOH) collected on a pipeline in Lick Creek Park. College Station, Texas, November 9, 2023
 Small brown brittlestem (Psathyrella)(?) mushroom on a path among wood chips in Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, November 20, 2023
 Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023
 Brittlestem mushrooms Psathyrella atrospora on a trail in Bee Creek Park. College Station, Texas, November 3, 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 in Lick Creek Park. College Station, Texas, June 2, 2020
 Spores (stacked image) of earthball mushrooms Scleroderma bovista (in KOH) collected on a pipeline in Lick Creek Park. College Station, Texas, November 9, 2023
 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
 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
 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 candolleana in Lick Creek Park. College Station, Texas, July 5, 2019
 Brittlestem (Psathyrella) mushrooms on mulch in Lick Creek Park. College Station, Texas, September 11, 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
 Spores (in KOH) (with x100 objective) of petticoat mottlegill mushrooms (Panaeolus papilionaceus) from dung, collected in Lick Creek Park. College Station, Texas, November 27, 2023
 Cluster of brown brittlestem mushrooms Psathyrella cernua (Homophron cernuum)(?) on the central alley in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Group of brown brittlestem mushrooms Psathyrella cernua (Homophron cernuum)(?) on the central alley in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
 Spores (in KOH) of a brittlestem mushroom (Psathyrella)(?) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn in Wolf Pen Creek Park. College Station, Texas, November 5, 2017
 Close-up of small brittlestem mushrooms (Psathyrella) in Lick Creek Park. College Station, Texas, June 26, 2020
 Pale brittlestem mushrooms (Psathyrella candolleana) in Lick Creek Park. College Station, Texas, June 2, 2020
 Small brittlestem mushrooms (Psathyrella) on mulch in Lick Creek Park. College Station, Texas, June 26, 2020
 Spores and basidia at low magnification (x40 objective) of petticoat mottlegill mushrooms (Panaeolus papilionaceus) from dung, collected in Lick Creek Park. College Station, Texas, November 27, 2023
 Spores and basidia (with x100 objective) of petticoat mottlegill mushrooms (Panaeolus papilionaceus) from dung, collected in Lick Creek Park. College Station, Texas, November 27, 2023
 Side view of brittlestem mushrooms Psathyrella atrospora on wood chips in Bee Creek Park. College Station, Texas, November 11, 2021
 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 atrospora growing on wood chips on a trail in Bee Creek Park. College Station, Texas, November 3, 2017
 Brittlestem mushrooms Psathyrella umbonata on a recent cutting in Lick Creek Park. College Station, Texas, June 21, 2018
 Brittlestem mushrooms Psathyrella umbonata on a sewage cutting in Lick Creek Park. College Station, Texas, January 15, 2020
 Brittlestem (Psathyrella) mushrooms on a recent cutting through oak forest in Lick Creek Park. College Station, Texas, June 28, 2019
 Spores (in KOH) of rustgill mushrooms Gymnopilus fulvosquamulosus from a log in a dried oxbow (spore print rusty brown), collected in Lick Creek Park. College Station, Texas, November 15, 2023
 Brittlestem (Psathyrella) mushrooms on wood chips near Nature Center in Lick Creek Park. College Station, Texas, August 24, 2022
 Spores (in KOH) at low magnification (x40 objective) of petticoat mottlegill mushrooms (Panaeolus papilionaceus) from dung (spore print black), collected in Lick Creek Park. College Station, Texas, November 27, 2023
 Spores of orange paint-like corticioid fungus from a fallen elm(?) or oak tree collected in Lick Creek Park. College Station, Texas, April 19, 2023
 Pale brittlestem mushrooms (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
 Hyphae and spores of Hypoxylon(?) fungus from the base of a dry shoot of chinaberry, collected a day before in David E. Schob Nature Preserve. College Station, Texas, November 18, 2023
 Tissues and spores of Hypoxylon(?) fungus from the base of a dry shoot of chinaberry, collected a day before in David E. Schob Nature Preserve. College Station, Texas, November 18, 2023
 Spores of Frothy Porecrust fungus (Oxyporus latemarginatus) from a tilted tree, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
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