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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Lyophyllaceae: Tephrocybe atrata (Fr.) Donk, 1962

Tephrocybe atrata

Synonyms: Agaricus atratus, Collybia atrata, Gymnopus atratus, Lyophyllum atratum, Tephrophana atrata.

Russian name: Tefrotsibe cherneiushchee.

AI-generated description

Tephrocybe atrata is a small to medium-sized, dark-colored agaric fungus. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in clusters on moss, peat, or decayed wood in coniferous and mixed forests. The cap is 1-4 cm in diameter, convex to flat, and dark brown to black with a velvety texture. The gills are crowded, narrow, and pale brown to dark brown. It fruits from July to October, often in wet areas with abundant moss cover.

Photos of this mushroom from the area of St. Petersburg, Russia

Omphalinoid mushrooms Arrhenia rickenii(?) together with <B>Tephrocybe atrata</B>(?) among charred wood on a site of fire near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-24.htm">September 24, 2017</A>
LinkOmphalinoid mushrooms Arrhenia rickenii(?) together with Tephrocybe atrata(?) among charred wood on a site of fire near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188663
Small brown mushrooms <B>Tephrocybe atrata</B>(?) on charred soil near a site of fire near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-24.htm">September 24, 2017</A>
LinkSmall brown mushrooms Tephrocybe atrata(?) on charred soil near a site of fire near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188663

AI-generated summary of observations

Observations of Tephrocybe atrata in Leningrad Oblast and north-western Russia reveal its presence in areas affected by fires. On a site of fire near Kuzmolovo, north of Saint Petersburg, the fungus was found growing among charred wood, accompanied by omphalinoid mushrooms Arrhenia rickenii. Additionally, small brown mushrooms identified as Tephrocybe atrata were observed on charred soil near the same fire site. These findings suggest that Tephrocybe atrata can thrive in areas with burned vegetation, potentially indicating a tolerance for disturbed or post-fire environments. The fungus was spotted on September 24, 2017, in both instances, highlighting its ability to colonize and grow in these specific conditions. The observations provide insight into the ecological preferences of Tephrocybe atrata in this region.

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Links

Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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