Fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Close-up of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Top view of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Side view of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Details of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Upper surface of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Fungus Biscogniauxia repanda on wood of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Close-up of hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Texture of hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Young hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Corticioid fungus Peniophora incarnata on a hazelnut stem of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Jelly fungus Exidia nigricans on wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Corticioid fungus Hypoxylon vogesiacum on dry wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Close-up of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Dried cups of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Spring hazelcup fungus (Encoelia furfuracea) on a broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Spring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Blue flower of Hepatica (Pechonochnitsa in Russian) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Some bracket polypore mushroom on rotting wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Bracket polypore mushroom on a fallen tree in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Pore surface of a bracket polypore mushroom in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Lungwort (Pulmonaria obscura, Russian name Medunitsa) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Cluster of spring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Ascomycete fungus Encoelia furfuracea on a dry broken hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Pattern of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Close-up of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Birch blackhead (Diatrypella favacea) growing through bark on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Small troop mushrooms Xeromphalina kauffmanii on an old mossy stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Cross-veined troop mushrooms Xeromphalina kauffmanii on an old mossy stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Cross-veined troop mushrooms Xeromphalina kauffmanii in moss on an old rotted stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Yellow brain fungus (Tremella mesenterica) on a dry tree on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Spring hazelcup fungus (Encoelia furfuracea) together with birch blackhead (Diatrypella favacea) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Blue flowers of Hepatica (Pechonochnitsa in Russian) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Scarlet elfcup mushrooms (Sarcoscypha austriaca) at the foot of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Close-up of a blue flower of Hepatica (Pechonochnitsa in Russian) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Hazelnut forest on a slope of a hill in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Black mushrooms Biscogniauxia repanda on a fallen oak(?) tree near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Black crust mushrooms Biscogniauxia repanda on a fallen oak(?) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Back lit leaves of hazelnut in Sablino, south from Saint Petersburg. Russia, May 21, 2011
Black crust fungus Biscogniauxia repanda on a fallen limb in Lick Creek Park. College Station, Texas, February 13, 2020
Black crust fungus Biscogniauxia repanda on a dry Yaupon holly(?) in Lick Creek Park. College Station, Texas, February 13, 2020
Black crust fungus Biscogniauxia repanda on a fallen tree branch in Lick Creek Park. College Station, Texas, February 13, 2020
Close-up of black crust fungus Biscogniauxia repanda on a fallen tree branch in Lick Creek Park. College Station, Texas, February 13, 2020
Tissue (in KOH) of black fungus Biscogniauxia repanda (Sordariomycetes) from a fallen honey locust, collected in Lick Creek Park. College Station, Texas, February 20, 2024
Corticioid fungus Hyphoderma setigerum on hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Black fungus Biscogniauxia repanda (Sordariomycetes) on a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
Spores of black fungus Biscogniauxia repanda (Sordariomycetes) from a fallen honey locust, collected 2 days before in Lick Creek Park. College Station, Texas, February 22, 2024
Corticioid fungus Hyphoderma setigerum on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Close-up of black fungus Biscogniauxia repanda (Sordariomycetes) on a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
Texture of black fungus Biscogniauxia repanda (Sordariomycetes) on a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
Close-up of black fungus Biscogniauxia repanda (Sordariomycetes) on bark of a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
Poroid crust fungus Xanthoporia radiata (Mensularia radiata) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Poroid crust fungus Xanthoporia radiata (Mensularia radiata) taken from a hazelnut branch in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Close up of poroid crust fungus Xanthoporia radiata (Mensularia radiata) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Blooming hazelnut from Sosnovka Park. Saint Petersburg, Russia, March 22, 2017
Catkins of hazelnut taken from Sosnovka Park. Saint Petersburg, Russia, March 22, 2017
Leaves of hazelnut(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
Blooming hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
Flowers of beaked hazelnut (Corylus cornuta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 21, 2017
Crust mushroom Biscogniauxia repanda on rotting wood near a road west from Kavgolovskoe Lake (Syariunlakhti), near Toksovo. North from Saint Petersburg, Russia, July 26, 2024
Duderhof Train Station, south from Saint Petersburg. Russia, May 9, 2021
Thin-walled maze polypore mushrooms (Daedaleopsis confragosa) on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Dry branch of hazelnut with a prostrate mushroom Cerioporus mollis (Datronia mollis) in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Prostrate mushroom Cerioporus mollis (Datronia mollis) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Corticioid mushroom Cerioporus mollis (Datronia mollis) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Texture of prostrate mushroom Cerioporus mollis (Datronia mollis) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Pores of prostrate mushroom Cerioporus mollis (Datronia mollis) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Poroid crust mushroom Xanthoporia radiata (Mensularia radiata) on a dry branch of hazelnut in Orekhovo, 40 miles north from Saint Petersburg. Russia, March 18, 2017
Thin-walled maze polypore mushroom (Blushing Bracket, Daedaleopsis confragosa) on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Fungus Biscogniauxia repanda on a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
Gills of thin-walled maze polypore mushroom (Blushing Bracket, Daedaleopsis confragosa) on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Prostrate form of young thin-walled maze polypore mushroom (Blushing Bracket, Daedaleopsis confragosa) on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
Black crust fungus Biscogniauxia on a fallen tree on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, October 12, 2019
Recurved cup fungus (Peziza repanda)(?) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
Dry last year stem of nettle with tiny cups of Ascomycete fungus taken from Sosnovka Park. Saint Petersburg, Russia, May 21, 2021
Tiny cups of Ascomycete fungus growing on a rotting stem of nettle taken from Sosnovka Park. Saint Petersburg, Russia, May 21, 2021
Close-up of brown corticioid fungus growing over black Hypoxylon or Biscogniauxia crust on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, February 18, 2023
Black corticioid fungus Biscogniauxia on a tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
Bright brown corticioid fungus growing over black Hypoxylon or Biscogniauxia crust on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, February 18, 2023
Black spreading fungus Biscogniauxia on a tree in Huntsville Park. Texas, April 1, 2018
Black dots of a fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) on a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 26, 2019
Black crust fungus Biscogniauxia mediterranea erupting through bark of a fallen oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
South-east shore of Black Lake in Gatchina, a suburb of Saint Petersburg, Russia, May 25, 2021
Black crust fungus Whalleya microplaca (family Xylariaceae) on a dry Yaupon stem in a pine forest on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, February 1, 2020
Black crust fungus Biscogniauxia mediterranea on a fallen oak on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
Close up of black dots of a fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) in Hensel Park. College Station, Texas, December 2, 2017
Malformed white birch bolete mushroom (bog bolete, Leccinum holopus) with a swollen stem damaged by gall-forming fungus near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, September 23, 2015
Close up of black crust fungus Biscogniauxia mediterranea on a fallen oak on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
Black crust fungus Whalleya microplaca (family Xylariaceae) on a dry Yaupon stem on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, February 1, 2020
Cup fungus Peziza on a stump in a forest near a pond south from Beloostrov at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
Ascomycete mushrooms Hyalorbilia inflatula (Orbilia inflatula) on a trunk of a fallen elm with black Biscogniauxia fungus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 17, 2020
Gray-white smooth sheet with black dots of a fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) on a dry oak tree in Hensel Park. College Station, Texas, December 2, 2017
Guttation of young bracket fungus Red-Belt Conk (polypore mushroom Fomitopsis pinicola, stem decay fungus) in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
Close up of yellow stem bonnet mushrooms (Mycena epipterygia)(?) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Yellow stem bonnet mushrooms (Mycena epipterygia)(?) on a spruce cone near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
View from a hill slope in area of Jebel Al-Nakhsh (Khashm an Nakhsh). South-western Qatar, March 25, 2016
Black saddle fungus Helvella atra(?) on black background on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
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