 Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) on a birch in Sosnovka Park. Saint Petersburg, Russia, December 8, 2016
 Gills of Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, December 8, 2016
 Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, November 25, 2016
 Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2016
 Gills of oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2016
 Gills of Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Gills of oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Oyster mushrooms (Pleurotus pulmonarius, Russian name Veshenka) on roadside near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Oyster mushroom (Pleurotus ostreatus) on a stump in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
 Oyster mushrooms (Pleurotus ostreatus) in Communist section of Alexander Nevsky Lavra. Saint Petersburg, Russia, October 18, 2016
 Oyster mushrooms (Pleurotus ostreatus) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016
 Oyster mushrooms (Pleurotus ostreatus) on a stump in Communist section of Alexander Nevsky Lavra. Saint Petersburg, Russia, October 18, 2016
 Oyster mushrooms (Pleurotus ostreatus) on a tree stump in Communist section of Alexander Nevsky Lavra. Saint Petersburg, Russia, October 18, 2016
 Oyster mushrooms (Pleurotus ostreatus) grown on substrate on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016
 Oyster mushrooms (Pleurotus ostreatus) in Huntsville Park. Texas, December 8, 2013
 Oyster mushrooms (Pleurotus ostreatus) on a tree in Huntsville Park. Texas, December 28, 2013
 Oyster mushrooms (Pleurotus ostreatus) at the base of a hackberry tree in Lick Creek Park. College Station, Texas, December 4, 2023
 Oyster mushroom (Pleurotus ostreatus) north from Pole Chudes Garden, west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
 Oyster mushrooms Pleurotus pulmonarius on wood chips in Sosnovka Park. Saint Petersburg, Russia, May 31, 2019
 Oyster mushrooms (Pleurotus ostreatus) in Lick Creek Park. College Station, Texas, July 26, 2014
 Oyster mushrooms (Pleurotus ostreatus) on a fallen tree in Hensel Park. College Station, Texas, November 30, 2021
 Underside of oyster mushrooms (Pleurotus ostreatus) on an oak log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020
 Underside of oyster mushrooms (Pleurotus ostreatus) on a fallen tree in Hensel Park. College Station, Texas, November 30, 2021
 Oyster mushrooms (Pleurotus ostreatus) at the base of a living elm tree in Lick Creek Park. College Station, Texas, August 11, 2020
 Underside of oyster mushrooms (Pleurotus ostreatus) at the base of a living elm tree in Lick Creek Park. College Station, Texas, August 11, 2020
 Oyster mushrooms (Pleurotus ostreatus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Oyster mushrooms (Pleurotus ostreatus) on a fallen oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 27, 2019
 Oyster mushroom (Pleurotus ostreatus) in Lick Creek Park. College Station, Texas, October 25, 2024
 Caps of oyster mushrooms (Pleurotus ostreatus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Gills of oyster mushrooms (Pleurotus ostreatus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Gills of oyster mushrooms (Pleurotus ostreatus) on a fallen oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 27, 2019
 Oyster mushroom (Pleurotus ostreatus) on a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 28, 2020
 Oyster mushroom (Pleurotus ostreatus) at the base of an oak in Lick Creek Park. College Station, Texas, October 25, 2024
 Caps of oyster mushroom (Pleurotus ostreatus) at the base of an oak in Lick Creek Park. College Station, Texas, October 25, 2024
 Oyster mushrooms (Pleurotus ostreatus) on a fallen oak on Little Lake Creek Loop Trail east from Trailhead No. 4 in Sam Houston National Forest, near Montgomery. Texas, January 2, 2021
 Oyster mushrooms (Pleurotus ostreatus) on a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 22, 2018
 Oyster mushrooms (Pleurotus ostreatus) at the base of an oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 25, 2021
 Gills of oyster mushrooms (Pleurotus ostreatus) on a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 22, 2018
 Underside of oyster mushrooms (Pleurotus ostreatus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 25, 2021
 Masses of oyster mushrooms (Pleurotus ostreatus) on a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 22, 2018
 Large number of oyster mushrooms (Pleurotus ostreatus) on a fallen oak on Little Lake Creek Loop Trail east from Trailhead No. 4 in Sam Houston National Forest, near Montgomery. Texas, January 2, 2021
 Oyster mushrooms (Pleurotus ostreatus) on a tree fallen across a creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Caps of Oyster mushrooms (Pleurotus ostreatus) on a fallen oak tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 29, 2019
 Oyster mushrooms (Pleurotus ostreatus) on a thin fallen tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 29, 2019
 Lung oyster mushrooms (Pleurotus pulmonarius)(?) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Underside of oyster mushroom (Pleurotus ostreatus) on a small fallen oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Young oyster mushroom (Pleurotus ostreatus) on a small fallen oak branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 10, 2020
 Bitter oyster mushrooms (Panellus stipticus) in Sosnovka Park. Saint Petersburg, Russia, August 30, 2016
 Late fall oyster mushrooms (Panellus serotinus) in Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Oyster mushrooms (Pleurotus ostreatus) at a base of a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 23, 2023
 Mature oyster mushrooms (Pleurotus ostreatus) at the base of a dry oak on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Pale oyster mushrooms (Pleurotus pulmonarius) on a stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Oyster mushroom (Pleurotus ostreatus) on a stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 21, 2021
 Gills of a large oyster mushroom (Pleurotus pulmonarius) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
 Oyster mushrooms Pleurotus calyptratus on an aspen log in Sablino, south from Saint Petersburg. Russia, May 25, 2017
 Upper view of oyster mushrooms (Pleurotus ostreatus) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, January 13, 2021
 Oyster mushrooms (Pleurotus ostreatus) on a fallen oak with melting snow near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, January 13, 2021
 Pale oyster mushrooms (Pleurotus pulmonarius) near Oselki, north from Saint Petersburg. Russia, August 25, 2017
 Pale oyster mushrooms (Pleurotus pulmonarius) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
 Oyster mushrooms Pleurotus pulmonarius(?) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Pale oyster mushrooms (Pleurotus pulmonarius) near Lisiy Nos, west from Saint Petersburg. Russia, July 18, 2017
 Oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Lung oyster mushrooms (Pleurotus pulmonarius) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Oyster mushrooms Pleurotus calyptratus on a fallen aspen tree in Sablino, south from Saint Petersburg. Russia, May 25, 2017
 Caps of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Cap edge of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Pale oyster mushrooms (Pleurotus pulmonarius) on a tree in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
 Cluster of pale oyster mushrooms (Pleurotus pulmonarius) on a tree in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
 Caps of oyster mushrooms Pleurotus calyptratus on a fallen aspen tree in Sablino, south from Saint Petersburg. Russia, May 25, 2017
 Pale oyster mushrooms (Pleurotus pulmonarius) on roadside near Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017
 Young and mature oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Large and small caps of oyster mushrooms Pleurotus calyptratus on a fallen aspen in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
 Veiled oyster mushrooms (Pleurotus dryinus) in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, September 2, 2018
 Oyster mushroom Pleurotus pulmonarius in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Young veiled oyster mushrooms (Pleurotus dryinus) near Tarkhovka train stop near Sestroretsk, west from Saint Petersburg. Russia, September 22, 2017
 Gills of oyster mushroom Pleurotus pulmonarius in Tarkhovka Park near Sestroretsk, west from Saint Petersburg. Russia, May 13, 2019
 Marasmioid mushrooms Mycetinis scorodonius (Russian name Chesnochnik) in Sosnovka Park. Saint Petersburg, Russia, August 8, 2016
 Tawny grisette mushrooms (Amanita fulva, Russian name Poplavok) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Birch milkcap mushrooms (Lactarius tabidus(?), Russian name Gorkushka) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
 Shaggy scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) taken from Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Tawny grisette mushrooms (Amanita fulva, Russian name Poplavok) in Sosnovka Park. Saint Petersburg, Russia, July 18, 2016
 Oyster mushrooms Pleurotus calyptratus on an aspen branch on Leninskaya Tropa Trail between Dibuny and Razliv Lake, north-west from Saint Petersburg. Russia, May 24, 2021
 Oyster mushroom (Pleurotus ostreatus)(?) on a log near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 22, 2022
 Marasmioid mushrooms Mycetinis scorodonius (Russian name Chesnochnik) taken from a base of a tree in Sosnovka Park. Saint Petersburg, Russia, August 16, 2016
 Emerging Shaggy Scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Partially frozen shaggy scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Some oyster mushroom (Pleurotus) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Chanterelle mushrooms (Cantharellus cibarius, Russian name Lisichki) found under leaves behind a shooting range in Sosnovka Park. Saint Petersburg, Russia, November 21, 2016
 Orange oyster mushrooms (Phyllotopsis nidulans) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Ugly Milk-cap mushroom (Lactarius necator, Russian name Chorny Gruzd) with small brown webcap mushrooms in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
 Bay bolete mushrooms (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Cloudberry (Rubus chamaemorus, Moroshka in Russian) in Sosnovka Park. Saint Petersburg, Russia, July 11, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Old pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016
 Coral spot fungus (Nectria cinnabarina mushrooms) on a twig taken from Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
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