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Fungi: Basidiomycota: Agaricomycetes: Hymenochaetales: Hymenochaetaceae: Phellinus tremulae (Bondartsev) Bondartsev & P. N. Borisov, 1953

Phellinus tremulae – Aspen bracket

Synonyms: Fomes igniarius, Fomes tremulae, Ochroporus tremulae.

Common name: aspen bracket.

Russian name: Lozhnyy osinovyy trutovik.

Extract from Wikipedia article: Phellinus tremulae is a species of polypore fungus in the family Hymenochaetaceae that grows on Populus tremula and on trembling aspen in Canada. The species was first described as Fomes igniarius f. tremulae by Appollinaris Semenovich Bondartsev in 1935. It causes the disease Aspen trunk rot.

AI-generated description

Phellinus tremulae is a species of fungus that grows on trees, particularly birch. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to commonly infect paper birch (Betula papyrifera) and downy birch (Betula pubescens), causing decay of the wood. The fungus produces perennial, corky, and wrinkled brackets that are 2-10 cm wide, with a greyish-brown upper surface and a pale brown to yellowish pore surface. It is widespread in the region, often occurring in forests, parks, and along roadsides, and can be found throughout the growing season, typically from June to October.

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

False Tinder Conk mushroom (<B>Phellinus tremulae</B>, a polypore fungus of aspen). Oselki, south from Saint Petersburg, Russia, <A HREF="../date-en/2016-08-29.htm">August 29, 2016</A>
LinkFalse Tinder Conk mushroom (Phellinus tremulae, a polypore fungus of aspen). Oselki, south from Saint Petersburg, Russia, August 29, 2016
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
False Tinder Conk mushroom (<B>Phellinus tremulae</B>, a parasitic fungus of aspen) west from Dibuny - Pesochny area near Saint Petersburg. Russia, <A HREF="../date-en/2017-02-04.htm">February 4, 2017</A>
LinkFalse Tinder Conk mushroom (Phellinus tremulae, a parasitic fungus of aspen) west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
Location on mapsZapadniy Skorostnoy Diameter, g. Sankt-Peterburg, Russia, 197758
False Tinder Conk mushroom (<B>Phellinus tremulae</B>, a polypore fungus of aspen) west from Dibuny - Pesochny area near Saint Petersburg. Russia, <A HREF="../date-en/2017-02-04.htm">February 4, 2017</A>
LinkFalse Tinder Conk mushroom (Phellinus tremulae, a polypore fungus of aspen) west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
Location on mapsZapadniy Skorostnoy Diameter, g. Sankt-Peterburg, Russia, 197758
False Tinder Conk mushroom (<B>Phellinus tremulae</B>, aspen polypore fungus) west from Dibuny - Pesochny area near Saint Petersburg. Russia, <A HREF="../date-en/2017-02-04.htm">February 4, 2017</A>
LinkFalse Tinder Conk mushroom (Phellinus tremulae, aspen polypore fungus) west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
Location on mapsZapadniy Skorostnoy Diameter, g. Sankt-Peterburg, Russia, 197758
False Tinder Conk mushrooms (<B>Phellinus tremulae</B>, a parasitic fungus of aspen) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-05.htm">April 5, 2017</A>
LinkFalse Tinder Conk mushrooms (Phellinus tremulae, a parasitic fungus of aspen) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
False Tinder Conk mushrooms (<B>Phellinus tremulae</B>) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-05.htm">April 5, 2017</A>
LinkFalse Tinder Conk mushrooms (Phellinus tremulae) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
False Tinder Conk mushrooms (<B>Phellinus tremulae</B>) on aspen near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-05.htm">April 5, 2017</A>
LinkFalse Tinder Conk mushrooms (Phellinus tremulae) on aspen near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
False Tinder Conk mushrooms (<B>Phellinus tremulae</B>, aspen polypore fungus) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-05.htm">April 5, 2017</A>
LinkFalse Tinder Conk mushrooms (Phellinus tremulae, aspen polypore fungus) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
Aspen bracket mushroom (<B>Phellinus tremulae</B>) in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-07-02.htm">July 2, 2017</A>
LinkAspen bracket mushroom (Phellinus tremulae) in Lisiy Nos, west from Saint Petersburg. Russia, July 2, 2017
Location on mapsPrimorskoye sh., Sankt-Peterburg, Russia, 197755
Fungus Junghuhnia pseudozilingiana growing on aspen bracket mushroom (<B>Phellinus tremulae</B>) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-20.htm">August 20, 2017</A>
LinkFungus Junghuhnia pseudozilingiana growing on aspen bracket mushroom (Phellinus tremulae) near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197758
Fungus Junghuhnia pseudozilingiana covering aspen bracket mushroom (<B>Phellinus tremulae</B>) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-20.htm">August 20, 2017</A>
LinkFungus Junghuhnia pseudozilingiana covering aspen bracket mushroom (Phellinus tremulae) near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197758
Fungus Junghuhnia pseudozilingiana growing on aspen bracket mushroom (<B>Phellinus tremulae</B>) near a highway near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-28.htm">August 28, 2017</A>
LinkFungus Junghuhnia pseudozilingiana growing on aspen bracket mushroom (Phellinus tremulae) near a highway near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197758
False tinder conk mushroom (<B>Phellinus tremulae</B>, a polypore fungus of aspen) west from Kuzmolovo, near Saint Petersburg. Russia, <A HREF="../date-en/2021-05-07.htm">May 7, 2021</A>
LinkFalse tinder conk mushroom (Phellinus tremulae, a polypore fungus of aspen) west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188663

AI-generated summary of observations

In Leningrad Oblast and north-western Russia, Phellinus tremulae was observed growing on aspen trees in various locations. The fungus was found in areas such as Oselki, Dibuny-Pesochny, Kavgolovskoe Lake, and Lisiy Nos, all near Saint Petersburg. Observations were made at different times of the year, including February, April, May, July, August, indicating that the fungus can be present throughout the growing season. In some cases, another fungus, Junghuhnia pseudozilingiana, was found growing on top of Phellinus tremulae, suggesting a complex relationship between the two species. The observations highlight the presence and persistence of Phellinus tremulae in the region, often associated with aspen trees. The data covers a period from 2016 to 2021, providing insight into the fungus's distribution and behavior over time.

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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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