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Fungi: Basidiomycota: Agaricomycetes: Polyporales: Meruliaceae: Bjerkandera adusta (Willd.) P. Karst., 1879

Bjerkandera adusta – Smoky bracket

Synonyms: Agaricus crispus, Bjerkandera isabellina, Bjerkandera scanica, Boletus adustus, Boletus carpineus, Boletus concentricus, Boletus crispus, Boletus fuscoporus, Boletus isabellinus, Boletus pelleporus, Coriolus alabamensis, Daedalea fennica, Daedalea oudemansii, Daedalea solubilis, Gloeoporus adustus, Gloeoporus crispus, Grifola adusta, Leptoporus adustus, Leptoporus albellus, Leptoporus crispus, Leptoporus nigrellus, Microporus gloeoporoides, Microporus lindheimeri, Polyporus adustus, Polyporus amesii, Polyporus atropileus, Polyporus burtii, Polyporus carpineus, Polyporus cinerascens, Polyporus crispus, Polyporus curreyanus, Polyporus digitalis, Polyporus dissitus, Polyporus excavatus, Polyporus fumosogriseus, Polyporus halesiae, Polyporus isabellinus, Polyporus lindheimeri, Polyporus macrosporus, Polyporus murinus, Polyporus nigrellus, Polyporus ochraceocinereus, Polyporus scanicus, Polyporus secernibilis, Polyporus subcinereus, Polyporus tegumentosus, Polystictus adustus, Polystictus alabamensis, Polystictus carpineus, Polystictus gloeoporoides, Polystictus puberulus, Poria argentea, Poria curreyana, Tyromyces adustus.

Common name: smoky bracket.

Russian names: Berkandera opalennaya, Trutovik opalionnyy, Berkandera opalennaya.

Extract from Wikipedia article: Bjerkandera adusta, commonly known as the smoky polypore or smoky bracket, is a species of fungus in the family Meruliaceae. It is a plant pathogen that causes white rot in live trees, but most commonly appears on dead wood. It was first described scientifically as Boletus adustus by Carl Ludwig Willdenow in 1787. The genome sequence of Bjerkandera adusta was reported in 2013.

AI-generated description

Bjerkandera adusta is a species of bracket fungus that grows on decaying wood. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to fruit from June to November, typically on coniferous trees such as spruce, pine, and fir. The fungus is relatively common in the region, with records of its presence in urban parks, forests, and along rivers. It forms semicircular or kidney-shaped caps that are 2-8 cm in diameter, with a smooth, velvety surface that ranges in color from gray-brown to dark brown. The underside of the cap features small, white to yellowish pores. Bjerkandera adusta is a saprotrophic fungus, playing a role in decomposing organic matter and recycling nutrients in the ecosystem.

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

Smoky polypore mushrooms (smoky bracket, <B>Bjerkandera adusta</B>) on Nechaevskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, <A HREF="../date-en/2016-10-27.htm">October 27, 2016</A>
LinkSmoky polypore mushrooms (smoky bracket, Bjerkandera adusta) on Nechaevskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
Location on mapsKamskaya ul., 24, Sankt-Peterburg, Russia, 199178
Smoky polypore mushrooms (<B>Bjerkandera adusta</B>) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-02-21.htm">February 21, 2017</A>
LinkSmoky polypore mushrooms (Bjerkandera adusta) on a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
Location on mapsnab. Reki Karpovki, Sankt-Peterburg, Russia
Smoky polypore mushrooms (smoky bracket, <B>Bjerkandera adusta</B>) on Znamenskaya Lane in Smolenskoe Cemetery. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-12.htm">March 12, 2017</A>
LinkSmoky polypore mushrooms (smoky bracket, Bjerkandera adusta) on Znamenskaya Lane in Smolenskoe Cemetery. Saint Petersburg, Russia, March 12, 2017
Location on mapsKamskaya ul., 24, Sankt-Peterburg, Russia, 199178
Smoky polypore mushrooms (smoky bracket, <B>Bjerkandera adusta</B>) on a fallen willow in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-26.htm">March 26, 2017</A>
LinkSmoky polypore mushrooms (smoky bracket, Bjerkandera adusta) on a fallen willow in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017
Location on mapsZaprudnaya ul., Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Smoky polypore mushrooms (smoky bracket, <B>Bjerkandera adusta</B>) with water drops on a fallen willow in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-26.htm">March 26, 2017</A>
LinkSmoky polypore mushrooms (smoky bracket, Bjerkandera adusta) with water drops on a fallen willow in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017
Location on mapsZaprudnaya ul., Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Smoky bracket polypore mushrooms (<B>Bjerkandera adusta</B>) in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, <A HREF="../date-en/2017-06-26.htm">June 26, 2017</A>
LinkSmoky bracket polypore mushrooms (Bjerkandera adusta) in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, June 26, 2017
Location on mapsper. Dekabristov, 1, Sankt-Peterburg, Russia, 199155
Smoky bracket polypore mushrooms (<B>Bjerkandera adusta</B>) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-28.htm">July 28, 2017</A>
LinkSmoky bracket polypore mushrooms (Bjerkandera adusta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
Smoky bracket polypore mushrooms (<B>Bjerkandera adusta</B>) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-08-19.htm">August 19, 2017</A>
LinkSmoky bracket polypore mushrooms (Bjerkandera adusta) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
Location on mapsPamyatnik Politekhnikam, Sankt-Peterburg, Russia, 195251
Smoky bracket mushrooms (<B>Bjerkandera adusta</B>) on a stump near a house in area of Udelnaya. Saint Petersburg, Russia, <A HREF="../date-en/2017-09-28.htm">September 28, 2017</A>
LinkSmoky bracket mushrooms (Bjerkandera adusta) on a stump near a house in area of Udelnaya. Saint Petersburg, Russia, September 28, 2017
Location on mapsProspekt Toreza, 90, Sankt-Peterburg, Russia, 194017
Smoky bracket mushrooms (<B>Bjerkandera adusta</B>) on a stump on a lawn in area of Udelnaya. Saint Petersburg, Russia, <A HREF="../date-en/2017-09-28.htm">September 28, 2017</A>
LinkSmoky bracket mushrooms (Bjerkandera adusta) on a stump on a lawn in area of Udelnaya. Saint Petersburg, Russia, September 28, 2017
Location on mapsProspekt Toreza, 90, Sankt-Peterburg, Russia, 194017
Smoky bracket mushrooms (<B>Bjerkandera adusta</B>) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, <A HREF="../date-en/2017-10-07.htm">October 7, 2017</A>
LinkSmoky bracket mushrooms (Bjerkandera adusta) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
Location on mapsNaberezhnaya Martynova, 70-74, Sankt-Peterburg, Russia, 197110
Smoky bracket mushrooms (<B>Bjerkandera adusta</B>) in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-06.htm">September 6, 2018</A>
LinkSmoky bracket mushrooms (Bjerkandera adusta) in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia
Smoky bracket mushrooms (<B>Bjerkandera adusta</B>) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, <A HREF="../date-en/2021-05-19.htm">May 19, 2021</A>
LinkSmoky bracket mushrooms (Bjerkandera adusta) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
Location on mapsPetergof, St Petersburg, Russia
Close-up of smoky bracket mushrooms (<B>Bjerkandera adusta</B>) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, <A HREF="../date-en/2021-05-19.htm">May 19, 2021</A>
LinkClose-up of smoky bracket mushrooms (Bjerkandera adusta) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
Location on mapsPetergof, St Petersburg, Russia
White margin of smoky bracket mushrooms (<B>Bjerkandera adusta</B>) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, <A HREF="../date-en/2021-05-19.htm">May 19, 2021</A>
LinkWhite margin of smoky bracket mushrooms (Bjerkandera adusta) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
Location on mapsPetergof, St Petersburg, Russia

AI-generated summary of observations

Observations of Bjerkandera adusta in Leningrad Oblast and north-western Russia reveal that the fungus grows on various substrates, including stumps, fallen willows, and logs. It has been found in multiple locations, such as Smolenskoe Cemetery, Botanic Gardens of Komarov Botanical Institute, and coastal forests between Lisiy Nos and Olgino. The fungus appears to thrive in the region, with sightings recorded throughout the year, from February to October. Specific observations include growth on Nechaevskaya Lane, Znamenskaya Lane, and near the 4-th South Pond on Elagin Island. Additionally, the fungus has been observed in areas such as Udelnaya, Sergievka Park, and Old Peterhof, showcasing its widespread presence in the region. Close-up observations have also noted distinct features, including water drops on the mushrooms and a white margin on the cap.

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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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