 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 base of a tree in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum, Psathyrella spadicea)(?) near Lembolovo, north from Saint Petersburg. Russia, August 24, 2018
 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
 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
 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
 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) in Lick Creek Park. College Station, Texas, October 30, 2018
 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
 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
 Group of chestnut brittlestem mushrooms (Homophron spadiceum) at the base of a tree near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a mossy stump near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Cluster of chestnut brittlestem mushrooms (Homophron spadiceum) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Brittlestem mushrooms Psathyrella corrugis on mulch in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Fairy inkcap (Coprinellus disseminatus) mushrooms together with chestnut brittlestem (Homophron spadiceum) in Sosnovka Park. Saint Petersburg, Russia, September 23, 2017
 Brittlestem mushrooms Psathyrella corrugis on mulch, on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 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 wood chips in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 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
 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 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
 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
 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
 Chestnut brittlestem mushrooms (Homophron spadiceum)(?) near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Chestnut brittlestem mushrooms (Homophron spadiceum) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 Small puffball mushrooms (Lycoperdon sp.) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Chestnut brittlestem mushrooms (Homophron spadiceum) on a peninsula of 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
 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
 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
 Lung oyster mushrooms (Pleurotus pulmonarius)(?) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 14, 2016
 Honey mushrooms Armillaria borealis(?) emerging from a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013
 Northern Honey mushrooms (Armillaria borealis(?)) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Flowerbed in a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Spores (in KOH) of chestnut brittlestem mushrooms (Homophron spadiceum) collected in Wolf Pen Creek Park. College Station, March 8, 2024
 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
 Some timber mushrooms of a stump of maple(?) tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
 Mature chestnut brittlestem mushrooms (Homophron spadiceum) at the base of large living elm in Wolf Pen Creek Park. College Station, March 8, 2024
 Scalycap mushroom Hemipholiota populnea (Pholiota destruens) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Oyster mushrooms (Pleurotus ostreatus) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016
 Shaggy Scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) under a nut tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 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
 Elm oyster mushrooms (Hypsizygus ulmarius, Lyophyllum ulmarium) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016
 Inflorescence of chestnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
 Chestnut ovaries in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
 Young leaves of chestnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Young leaves on chestnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
 Blooming horse chestnut (Aesculus hippocastanum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
 Young wrinkled leaves of chestnut (Aesculus glabra) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 15, 2015
 Mica Cap mushrooms (Coprinellus micaceus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Wooden sculpture with bracket mushrooms in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Honey mushrooms Armillaria borealis(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Palmate wrinkled leaves of Rodgersia aesculifolia (chestnut-leaved) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
 Twig of yew tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Sulphur Tuft mushrooms (Hypholoma fasciculare) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Big larch bolete mushrooms (Suillus grevillei) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Earth fibrecap mushrooms (Inocybe geophylla) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Old dyer s mazegill mushrooms (Phaeolus schweinitzii) at the base of a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017
 Yellow larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Young needles of larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
 Dissected tree sculpture in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 20, 2016
 Yellow larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Bark of old larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 10, 2016
 Lumpy bracket polypore mushrooms (Trametes gibbosa)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Common inkcap (inky cap) mushrooms Coprinopsis atramentaria in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Small brown fibrecap mushrooms (Inocybe lacera(?)) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Smoky polypore mushrooms (Bjerkandera adusta) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
 Shaggy Scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) at a tree base in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 20, 2013
 Yellow larch tree in snow in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, November 4, 2016
 Bright yellow color of an elm tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016
 Elm oyster mushrooms (Hypsizygus ulmarius) on Peacock wooden sculpture in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Rough tree bark in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015
 Courtyard in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 A path in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Flowerbeds in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Various flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Shaggy Scalycap mushrooms (Pholiota squarrosa, Russian name Cheshuychatka) growing at a base of a tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 18, 2013
 Wood-rotting scalycap mushrooms Hemipholiota populnea (Pholiota destruens) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Red dahlia flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Various fall flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Autumn asters in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Aster flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Lionshearts (Physostegia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Autumn flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Large greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Courtyard near a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Green courtyard in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Asters near a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Lionshearts (Physostegia) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
 Red dahlia flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 11, 2016
 Flowers near a greenhouse in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
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