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Fungi: Basidiomycota: Agaricomycetes: Boletales: Boletaceae: Leccinum variicolor Watling, 1969

Leccinum variicolor – Mottled bolete

Synonyms: Boletus variicolor, Krombholzia scabra, Krombholziella variicolor.

Common name: mottled bolete.

Russian names: Podberezovik raznotsvetnyy, Obabok raznotsvetnyy, Podberiozovik piostryy.

Extract from Wikipedia article: Leccinum variicolor is a species of bolete fungus in the genus Leccinum.

AI-generated description

Leccinum variicolor is a species of bolete fungus characterized by its variable cap color, ranging from brown to greyish-brown, and white to pale yellow pores. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in association with birch trees, often in moist areas with rich soil. Fruitings are commonly found from July to October, with a peak in August and September. The fungus is considered edible, but its quality is reportedly lower than other Leccinum species.

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

Mottled birch bolete mushroom (<B>Leccinum variicolor</B>) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-08-25.htm">August 25, 2013</A>
LinkMottled birch bolete mushroom (Leccinum variicolor) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
Location on mapsDachnaya, 17, Toksovo, Leningrad Oblast, Russia
Black cap birch bolete mushroom (<B>Leccinum variicolor</B>) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-08-25.htm">August 25, 2013</A>
LinkBlack cap birch bolete mushroom (Leccinum variicolor) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
Location on mapsDachnaya, 17, Toksovo, Leningrad Oblast, Russia
Nibbled mottled bolete mushroom (<B>Leccinum variicolor</B>, Russian name Podberiozovik) near Lembolovo, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-08-27.htm">August 27, 2013</A>
LinkNibbled mottled bolete mushroom (Leccinum variicolor, Russian name Podberiozovik) near Lembolovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013
Location on mapsН60, Leningrad Oblast, Russia
Mottled bolete mushroom (<B>Leccinum variicolor</B>) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, <A HREF="../date-en/2013-08-29.htm">August 29, 2013</A>
LinkMottled bolete mushroom (Leccinum variicolor) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013
Location on mapsGlavnaya, 107, Syargi, Leningradskaya oblast', Russia, 188664
Birch Bolete (<B>Leccinum variicolor</B>) mushroom in a forest around Kavgolovskoe Lake, near Saint Petersburg. Russia, <A HREF="../date-en/2013-09-06.htm">September 6, 2013</A>
LinkBirch Bolete (Leccinum variicolor) mushroom in a forest around Kavgolovskoe Lake, near Saint Petersburg. Russia, September 6, 2013
Location on mapsDachnaya, 17, Toksovo, Leningrad Oblast, Russia
Black cap birch bolete mushroom (<B>Leccinum variicolor</B>) in swampy area of Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2013-09-15.htm">September 15, 2013</A>
LinkBlack cap birch bolete mushroom (Leccinum variicolor) in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013
Location on mapsTikhoretskiy prospekt, 21, Saint Petersburg, Russia, 190000
Small birch Bolete mushroom (<B>Leccinum variicolor</B>) on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2015-09-24.htm">September 24, 2015</A>
LinkSmall birch Bolete mushroom (Leccinum variicolor) on a forest path in swampy area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
Location on mapsul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Mottled Bolete mushroom (<B>Leccinum variicolor</B>, Russian name Podberiozovik) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2016-07-23.htm">July 23, 2016</A>
LinkMottled Bolete mushroom (Leccinum variicolor, Russian name Podberiozovik) in Sosnovka Park. Saint Petersburg, Russia, July 23, 2016
Location on mapsUnnamed Road, Sankt-Peterburg, Russia, 194291
Black cap birch bolete mushroom (<B>Leccinum variicolor</B>) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2016-09-06.htm">September 6, 2016</A>
LinkBlack cap birch bolete mushroom (Leccinum variicolor) in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
Location on mapsUnnamed Road, Sankt-Peterburg, Russia
Mottled cap birch bolete mushroom (<B>Leccinum variicolor</B>) in swampy area in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2016-09-06.htm">September 6, 2016</A>
LinkMottled cap birch bolete mushroom (Leccinum variicolor) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
Location on mapsUnnamed Road, Sankt-Peterburg, Russia
Very small birch bolete mushroom (<B>Leccinum variicolor</B>) in Komarovo near Shchuchye Lake, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-17.htm">September 17, 2016</A>
LinkVery small birch bolete mushroom (Leccinum variicolor) in Komarovo near Shchuchye Lake, north-west from Saint Petersburg. Russia, September 17, 2016
Location on mapsOzernaya ul., Russia, 197733
Birch bolete mushroom (<B>Leccinum variicolor</B>(?)) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-25.htm">August 25, 2018</A>
LinkBirch bolete mushroom (Leccinum variicolor(?)) near Dibuny, north-west from Saint Petersburg. Russia, August 25, 2018
Location on mapsLeninskaya Tropa, Sankt-Peterburg, Russia, 197758
Mottled bolete mushrooms (<B>Leccinum variicolor</B>, Russian name Chernogolovik) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-28.htm">August 28, 2018</A>
LinkMottled bolete mushrooms (Leccinum variicolor, Russian name Chernogolovik) near Dibuny, north-west from Saint Petersburg. Russia, August 28, 2018
Location on mapsLeninskaya Tropa, Sankt-Peterburg, Russia, 197758

AI-generated summary of observations

Observations of Leccinum variicolor in Leningrad Oblast and north-western Russia reveal the fungus grows in various locations, including near Kavgolovskoe Lake, Okhtinsky Park, Sosnovka Park, and Komarovo. The mushroom is found in different environments, such as swampy areas and forests, often associated with birch trees. Multiple observations were made in Sosnovka Park, indicating a possible abundance of the species in this area. The fungus was spotted during late summer and early fall, from August to September, with varying cap colors, including mottled and black. Some observations noted small or nibbled specimens, suggesting potential predation or competition. Overall, Leccinum variicolor appears to be widespread in the region, with a range of growth habits and environments.

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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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