 Spores of green brittlegill mushroom (Russula aeruginea) (larger) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of green brittlegill mushroom (Russula aeruginea) (larger) in iodine solution Lugol, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Green brittlegill mushroom (Russula aeruginea(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022
 Underside of green brittlegill mushroom (Russula aeruginea(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022
 Green brittlegill mushroom (Russula aeruginea) with east Texas toad on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
 Green brittlegill mushroom (Russula aeruginea) in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 28, 2022
 Spores of a large mature brittlegill mushroom Russula albidicremea collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Green brittlegill mushrooms (Russula aeruginea) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 28, 2022
 Green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021
 Underside of green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021
 Green brittlegill mushroom (Russula aeruginea) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024
 Green brittlegill mushroom Russula aeruginea on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
 Spores of a brittlegill mushroom Russula mariae collected in Sam Houston National Forest. Texas, June 15, 2022
 Green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Underside of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of large white brittlegill mushrooms Russula albidicremea collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Cross section of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of large white brittlegill mushrooms Russula albidicremea under a microscope, collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Green brittlegill mushroom (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
 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
 Green brittlegill mushrooms (Russula aeruginea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
 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 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
 Grass-green brittlegill mushroom (Russula aeruginea, Russian name Syroezhka) in moss between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, July 27, 2016
 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 young green brittlegill mushrooms (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022
 Green brittlegill mushrooms (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, July 22, 2017
 Green brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, May 30, 2018
 Young green brittlegill mushrooms (Russula aeruginea) under dry leaves on a sandy path in Lick Creek Park. College Station, Texas, May 13, 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
 Green brittlegill mushrooms (Russula aeruginea) on a trail across the swamp in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
 Pink together with green brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, October 28, 2021
 Group of green brittlegill mushrooms (Russula aeruginea) on a trail across the swamp in Yuntolovsky Park. Saint Petersburg, Russia, July 7, 2017
 Basidia and spores of brittlegill mushroom Russula subloculata (Macowanites americanus)(?) from muddy path, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 18, 2023
 Tissues and spores of brittlegill mushroom Russula subloculata (Macowanites americanus)(?) from muddy path, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 18, 2023
 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 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
 Spores of a polypore mushroom Lentinus arcularius collected in Sam Houston National Forest near Montgomery. Texas, July 17, 2022
 Spores of brittlegill mushrooms Russula ballouii from wet area, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
 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 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
 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
 Spores of brittlegill mushrooms Russula compacta collected two days before on Road FS 231 near Pole Creek of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, September 28, 2024
 Spores of a mushroom Panus tephroleucus (Lentinus sect. Velutini) collected in Sam Houston National Forest near Montgomery. Texas, July 17, 2022
 Cap of light green brittlegill (Russula) mushroom on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 17, 2020
 Green brittlegill mushrooms (Russula aeruginea) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Green brittlegill mushrooms (Russula aeruginea) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Gills of light green brittlegill (Russula) mushroom on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 17, 2020
 Spores of stinking brittlegill mushrooms (Russula foetens) collected a day before in Big Thicket National Preserve. Texas, June 13, 2022
 Green brittlegill mushrooms (Russula aeruginea) near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017
 Lacrymoid (tear-shaped) spores of a small white mushroom Marasmiellus candidus collected from rotting wood in Sam Houston National Forest near Montgomery. Texas, July 17, 2022
 Cap of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Gills of a large white brittlegill mushroom Russula albidicremea at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of white resupinate polypore mushroom from bark of a fallen pine branch, collected 2 days before near Caney Creek in Sam Houston National Forest near Montgomery. Texas, July 25, 2022
 Underside of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Gills of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Close-up of gills of a large white brittlegill mushroom Russula albidicremea at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Gills and dirty green caps of brittlegill mushrooms Russula aeruginea(?) in Lick Creek Park. College Station, Texas, June 28, 2019
 Cross section of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Side view of a large white brittlegill mushroom Russula albidicremea near the edge of pine forest at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Green brittlegill mushrooms (Russula aeruginea)(?) in sandy soil near Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, August 31, 2018
 Spores of mushrooms Gymnopus foetidus collected in Sam Houston National Forest near Montgomery. Texas, July 17, 2022
 Gills of a pink brittlegill mushroom Russula pulchra(?) damaged by insects on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
 Green brittlegill (Russula sp.) mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2013
 Large mature brittlegill mushroom Russula albidicremea on cleared roadside at the edge of pine forest (10 m from the road, near an ant burrow) at Forest Service Road 231 near Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Gills of a brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, May 30, 2018
 Spores of red brittlegill mushrooms (Russula) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
 Spores of a tooth timber mushroom Climacodon pulcherrimus collected in Sam Houston National Forest near Montgomery. Texas, August 28, 2022
 Spores of a small pinkgill (Entoloma) mushroom collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of milkcap mushroom Lactarius subtomentosus(?) from floodplain collected in Sam Houston National Forest near Montgomery. Texas, June 6, 2022
 Spores of Leucocoprinus longistriatus mushroom collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 2022
 Spores of pale brown brittlegill (Russula) mushrooms collected in Lick Creek Park. College Station, Texas, May 23, 2022
 Spores of a mushroom Macrolepiota procera collected in Pole Creek area of Sam Houston National Forest near Montgomery a day before. Texas, September 4, 2022
 Spores of dark bolete mushroom Porphyrellus sordidus from floodplain, collected in Sam Houston National Forest near Montgomery. Texas, September 4, 2022
 Small pink brittlegill (Russula) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 23, 2022
 Spores of Marasmius mushroom from rotten pine wood collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 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
 Underside of small pink brittlegill (Russula) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 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
 Cross section of blackening brittlegill mushroom (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
 Spores of a mushroom Lactarius volemus var. flavus (spore print white) collected in Sam Houston National Forest north from Montgomery. Texas, May 7, 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
 Light green brittlegill (Russula) mushrooms in a wet area on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 17, 2020
 Underside of green brittlegill mushrooms Russula subgraminicolor on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
 Spores of some rust fungus from underside of leaves of jumpseed (knotweed, Persicaria virginiana) collected in Sam Houston National Forest near Montgomery. Texas, July 3, 2022
 Spores of white resupinate polypore mushroom from pine bark collected a day before near Pole Creek in Sam Houston National Forest north from Montgomery. Texas, May 8, 2022
 Spores of a small mushroom Amanita amerirubens(?) collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, April 30, 2022
 Spores of a bolete mushroom Xanthoconium purpureum (spore print light brown) collected in Sam Houston National Forest near Montgomery. Texas, August 28, 2022
 Spores of a white brittlegill (Russula) mushroom collected in Lick Creek Park. College Station, Texas, May 3, 2024
 Group of light green brittlegill (Russula) mushrooms in a wet area on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 17, 2020
 Spores of tan Russula mushroom from a base of an old pine stump, collected in Sam Houston National Forest. Texas, January 1, 2024
 Spores of some rust fungus from underside of leaves of jumpseed (knotweed, Persicaria virginiana) at low magnification, collected in Sam Houston National Forest near Montgomery. Texas, July 3, 2022
 Brittlegill mushrooms Russula perlactea(?) on rotten wood on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 10, 2022
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