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Fungi: Basidiomycota: Agaricomycetes: Boletales: Boletaceae: Imleria badia (Fr.) Vizzini, 2014

Imleria badia – Bay bolete

Synonyms: Boletus badius, Boletus castaneus, Boletus glutinosus, Boletus limatulus, Boletus vaccinus, Dictyopus aereus, Ixocomus badius, Rostkovites badia, Suillus badius, Suillus limatulus, Suillus vaccinus, Tubiporus vaccinus, Viscipellis badia, Xerocomus badius.

Common name: bay bolete.

Russian names: Polskiy grib, Mokhovik kashtanovyy, Korichnevyy grib, Panskiy grib.

Extract from Wikipedia article: Imleria badia, commonly known as the bay bolete, is an edible, pored mushroom found in Europe and North America, where it grows in coniferous or mixed woods on the ground or on decaying tree stumps, sometimes in prolific numbers. Both the common and scientific names refer to the bay- or chestnut-coloured cap, which is almost spherical in young specimens before broadening and flattening out to a diameter up to 15 cm (6 in). On the cap underside are small yellowish pores that turn dull blue-grey when bruised. The smooth, cylindrical stipe, measuring 4–9 cm (1.6–3.5 in) long by 1–2 cm (0.4–0.8 in) thick, is coloured like the cap, but paler. Some varieties have been described from eastern North America, differing from the main type in both macroscopic and microscopic morphology.

AI-generated description

Imleria badia is a species of fungi that belongs to the family Boletaceae. It is a medium to large-sized bolete with a brown cap and yellow-brown pores. In St. Petersburg, Leningrad Oblast, and north-western Russia, Imleria badia is commonly found in coniferous and mixed forests, often associated with spruce, pine, and birch trees. It typically fruits from July to October, preferring moist, acidic soils with rich humus. The fungus is widely distributed in the region, including urban parks and forests near St. Petersburg, and is considered a edible species, although its quality is variable.

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

Bay bolete mushroom (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, <A HREF="../date-en/2013-08-29.htm">August 29, 2013</A>
LinkBay bolete mushroom (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188660
Bay bolete mushroom (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in a forest around Kavgolovskoe Lake, near Saint Petersburg. Russia, <A HREF="../date-en/2013-09-06.htm">September 6, 2013</A>
LinkBay bolete mushroom (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in a forest around Kavgolovskoe Lake, near Saint Petersburg. Russia, September 6, 2013
Location on mapsНовый пер., Kavgolovo, Leningradskaya oblast', Russia, 188667
Bay bolete mushrooms (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-18.htm">August 18, 2016</A>
LinkBay bolete mushrooms (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) near Dibuny, north-west from Saint Petersburg. Russia, August 18, 2016
Location on mapsZapadniy Skorostnoy Diameter, g. Sankt-Peterburg, Russia, 197758
Bay bolete mushrooms (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2016-08-25.htm">August 25, 2016</A>
LinkBay bolete mushrooms (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Bay bolete mushrooms (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib). Oselki, south from Saint Petersburg, Russia, <A HREF="../date-en/2016-08-29.htm">August 29, 2016</A>
LinkBay bolete mushrooms (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib). Oselki, south from Saint Petersburg, Russia, August 29, 2016
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665
Bay bolete mushroom (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) found in a cavity at a base of a tree in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2016-11-23.htm">November 23, 2016</A>
LinkBay bolete mushroom (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) found in a cavity at a base of a tree in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
Location on mapsSevernyy pr., 24к1, Sankt-Peterburg, Russia, 194295
Bay bolete mushroom (<B>Imleria badia</B>, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-24.htm">July 24, 2017</A>
LinkBay bolete mushroom (Imleria badia, Boletus badius, Xerocomus badius, Russian name Polsky Grib) in Sosnovka Park. Saint Petersburg, Russia, July 24, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia, 194223
Bay bolete mushroom (<B>Imleria badia</B>)(?) in moss in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, <A HREF="../date-en/2017-08-15.htm">August 15, 2017</A>
LinkBay bolete mushroom (Imleria badia)(?) in moss in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia, 197701
Bay bolete mushrooms (<B>Imleria badia</B>) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, <A HREF="../date-en/2017-08-15.htm">August 15, 2017</A>
LinkBay bolete mushrooms (Imleria badia) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017
Location on mapsPrimorskoye sh., 251, Sestroretsk, Sankt-Peterburg, Russia, 197701
Bay bolete mushrooms (<B>Imleria badia</B>) (to the right) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, <A HREF="../date-en/2017-09-14.htm">September 14, 2017</A>
LinkBay bolete mushrooms (Imleria badia) (to the right) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
Location on mapsAlleya Chornoy Shlyapy, Pavlovsk, Sankt-Peterburg, Russia
Small bay bolete mushrooms (<B>Imleria badia</B>) under a solitary oak in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, <A HREF="../date-en/2017-09-27.htm">September 27, 2017</A>
LinkSmall bay bolete mushrooms (Imleria badia) under a solitary oak in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 27, 2017
Location on mapsLipetskaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196625
Small bay bolete mushrooms (<B>Imleria badia</B>) near a big oak in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, <A HREF="../date-en/2017-09-27.htm">September 27, 2017</A>
LinkSmall bay bolete mushrooms (Imleria badia) near a big oak in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 27, 2017
Location on mapsLipetskaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196625
Young bay bolete mushrooms (<B>Imleria badia</B>) west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-21.htm">August 21, 2018</A>
LinkYoung bay bolete mushrooms (Imleria badia) west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, August 21, 2018
Location on mapsLeningrad Oblast, Russia, 188667

AI-generated summary of observations

Observations of Imleria badia in Leningrad Oblast and north-western Russia show that the fungus grows in various locations, including Okhtinsky Park, forests around Kavgolovskoe Lake, and Sosnovka Park. The mushrooms were found near Saint Petersburg, with sightings in suburbs such as Toksovo, Pavlovsk, and Sestroretsk. They typically grow on the ground, but one instance was found in a cavity at the base of a tree. The observations took place between August and November, with multiple sightings in August and September. The mushrooms were often found near oak trees, and some sightings noted small or young specimens. The locations ranged from urban parks to forested areas, indicating that Imleria badia can thrive in different environments. Repeat sightings in the same locations suggest that the fungus may be a common species in the 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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