 Spores of a brittlegill mushroom Russula mariae collected in Sam Houston National Forest. Texas, June 15, 2022
 Round spores of a brittlegill mushroom Russula ballou taken from Caney Creek section of trail at Sam Houston National Forest 1/20/2021. Texas, February 14, 2022
 Spores under a microscope in KOH solution of a brittlegill mushroom Russula ballou taken from Caney Creek section of trail at Sam Houston National Forest 1/20/2021. Texas, February 14, 2022
 Incrustation details of spores of a brittlegill mushroom Russula ballou taken from Caney Creek section of trail at Sam Houston National Forest 1/20/2021. Texas, February 14, 2022
 Spores under a microscope at higher magnification of a brittlegill mushroom Russula ballou taken from Caney Creek section of trail at Sam Houston National Forest 1/20/2021. Texas, February 14, 2022
 Spores under a microscope in iodine solution of a brittlegill mushroom Russula ballou taken from Caney Creek section of trail at Sam Houston National Forest 1/20/2021. Texas, February 14, 2022
 Underside of a purple brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 15, 2022
 Purple brittlegill mushroom Russula mariae on muddy soil on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 15, 2022
 Spores of a fibrecap mushroom Pseudosperma rimosum (Inocybe rimosa) taken from Washington-on-the-Brazos 12/24/2021. Texas, February 15, 2022
 Spores of robust brown Cortinarius mushroom collected in Washington-on-the-Brazos 12/1/2021. College Station, Texas, February 5, 2022
 Spores ob brittlegill mushroom Russula crustosa collected on Kiwanis Nature Trail. College Station, Texas, May 16, 2022
 Spores of brittlegill mushroom Russula adusta collected in Lick Creek Park. College Station, Texas, May 15, 2022
 Brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Red cap of a brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Brittlegill mushrooms Russula mariae on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 13, 2021
 Underside of a brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Spores of of green brittlegill mushroom (Russula aeruginea(?)) collected in Sam Houston National Forest near Montgomery. Texas, July 3, 2022
 Side view of brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Spores of green brittlegill mushroom (Russula aeruginea) (larger) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of a large mature brittlegill mushroom Russula albidicremea collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of green brittlegill mushroom (Russula aeruginea) (larger) in iodine solution Lugol, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Gilded brittlegill mushrooms (Russula aurea) under juniper, cedar elm and oaks trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Spores of Agaricus mushroom with a scaly cap collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Spores of Agaricus mushroom with a scaly cap at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Spores from a cream white resupinate polypore mushroom on a dry bush of huisache (may be contamination, because not many spores), collected a day before in Washington-on-the-Brazos State Historic Site. Texas, September 6, 2022
 Amorphous spore mass of mushroom Lepista nuda taken from Washington-on-the-Brazos 12/24/2021. Texas, February 15, 2022
 Spores of a fibrecap mushroom Inocybe albodisca(?) collected on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Purple-bloom russula mushrooms (Russula mariae) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 13, 2021
 Gills and cross section of gilded brittlegill mushrooms (Russula aurea) under juniper, cedar elm and oaks trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Spores of brittlegill mushroom Russula flavida collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 1, 2022
 Spores of brittlegill mushroom Russula flavida at low magnification, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 1, 2022
 Spores (in lugol) of a mushroom Lepista sordida collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Spores (in Melzer) of a mushroom Lepista sordida collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Spores of red brittlegill mushrooms (Russula) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of stinking brittlegill mushrooms (Russula foetens) collected a day before in Big Thicket National Preserve. Texas, June 13, 2022
 Spores of pale brown brittlegill (Russula) mushrooms collected in Lick Creek Park. College Station, Texas, May 23, 2022
 Spores of firm brittlegill mushrooms (Russula compacta) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of a brittlegill mushroom Russula atropurpurea collected in Little Thicket Nature Sanctuary a day before. Texas, April 23, 2023
 Spores of large white brittlegill mushrooms Russula albidicremea collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of brittlegill mushroom Russula albidicremea collected near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 31, 2022
 Spores of a white brittlegill (Russula) mushroom collected in Lick Creek Park. College Station, Texas, May 3, 2024
 Spores of large white brittlegill mushrooms Russula albidicremea under a microscope, collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of a large white brittlegill mushroom Russula compacta from Road FS 203 collected a day before in Sam Houston National Forest. Texas, September 22, 2024
 Spores of brittlegill mushrooms Russula perlactea(?) growing on rotten wood on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 10, 2022
 Green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Underside of a small Pluteus mushroom (to the left) and cap of brittlegill (Psathyrella) (to the right) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Small Pluteus mushroom (to the left) and brittlegill (Psathyrella) (to the right) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Underside of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Brittlegill mushroom Russula mutabilis(?) under post oaks in Lick Creek Park. College Station, Texas, May 13, 2022
 Brittlegill mushrooms Russula eccentrica (left) and Russula cortinarioides (right) on a mowed path in a forest in Little Thicket Nature Sanctuary. Cleveland, Texas, June 4, 2022
 Spores of thin wide Trametes(?) mushrooms collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Some mature brittlegill (Russula) mushroom in Hensel Park. College Station, Texas, June 3, 2021
 Cross section of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of common brown grass Gymnopus mushrooms, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of blackfoot parachute mushrooms (Tetrapyrgos nigripes) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of polypore mushrooms Lentinus tricholoma from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Some brown brittlegill (Russula) mushroom in Lick Creek Park. College Station, Texas, July 9, 2021
 Dried cap of brittlegill mushroom Russula albidicremea collected 2 days before in Sam Houston National Forest north from Montgomery. Texas, June 4, 2022
 Spores of Lactocollybia mushrooms from the base of an osage orange tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of tiny brown Clitocybe mushrooms from bare soil, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of mushrooms Chlorophyllum hortense from edge of grassy meadow, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of small grass mushrooms Marasmius graminum from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of common brown grass Gymnopus mushrooms under a microscope, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Spores of blackfoot parachute mushrooms (Tetrapyrgos nigripes) (stacked image), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of common brown grass Gymnopus mushrooms (stacked image), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Asci with spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) under a microscope in KOH, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Spores of tiny orange mushrooms Marasmius curreyi growing in grass, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Underside of a dried cap of brittlegill mushroom Russula albidicremea collected 2 days before in Sam Houston National Forest north from Montgomery. Texas, June 4, 2022
 Underside of brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Spores of mushroom Mycena galericulata from Lake Somerville Park 12/20/2021. Texas, February 22, 2022
 Pink together with green brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, October 28, 2021
 Small pink brittlegill (Russula) mushrooms collected in muddy area during mushroom walk on D. L. property. Bleakwood, Newton County, Texas, June 11, 2022
 Spores (in KOH) of a brittlestem mushroom (Psathyrella)(?) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) under small oaks in Lick Creek Park. College Station, Texas, June 1, 2021
 Cross section of brittlegill mushrooms Russula adusta (Russula nigricans) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 28, 2021
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) with cross section in Lick Creek Park. College Station, Texas, June 1, 2021
 Asci and spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Spores of thin white funnel mushrooms Leucocybe candicans(?) from a side of a sandy path, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores (in KOH) of a rosegill mushroom (Volvopluteus gloiocephalus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Short-stemmed russula mushrooms (stubby brittlegill, Russula brevipes) in cross section on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021
 Gills of a brittlegill mushroom Russula cortinarioides on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, July 18, 2021
 Small foetid brittlegill mushrooms Russula pectinatoides collected in muddy area during mushroom walk on D. L. property. Bleakwood, Newton County, Texas, June 11, 2022
 Spores of small grey Rhodocybe(?) mushrooms in grass (spore print brownish, thin), collected near the entrance in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of young common Gymnopus mushrooms with dark violet caps on a side of a sandy path, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of orangish resupinate polypore mushroom from a hackberry log, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores (in lugol) of a rosegill mushroom (Volvopluteus gloiocephalus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of Agaricus mushroom collected in Sam Houston National Forest 12/29/2021. College Station, Texas, February 12, 2022
 Spores of mushroom Gymnopilus sapiens from Sam Houston National Forest 12/5/2021. College Station, Texas, February 5, 2022
 Spores of mushroom Cuphophilus pratensis from Lick Creek Park 12/22/2021. College Station, Texas, February 5, 2022
 Caps of small foetid brittlegill mushrooms Russula pectinatoides collected in muddy area during mushroom walk on D. L. property. Bleakwood, Newton County, Texas, June 11, 2022
 Underside of green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021
 Large white brittlegill mushroom Russula albidicremea(?) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021
 Greying brittlegill mushroom (Russula decolorans) together with Russula covered by fungus Hypomyces viridis in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
 Spores (spore print pink) of a small Pluteus mushroom from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Spores (spore print black) of a larger Psathyrella mushroom from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
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