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Fungi: Basidiomycota: Agaricomycetes: Boletales: Gyroporaceae: Gyroporus castaneus (Bull.) Quél., 1886

Gyroporus castaneus – Chestnut bolete

Synonyms: Boletus castaneus, Boletus cyanescens, Boletus fulvidus, Boletus testaceus, Gyroporus ammophilus, Gyroporus microsporus, Leucobolites castaneus, Leucobolites fulvidus, Suillus castaneus, Suillus fulvidus, Suillus testaceus.

Common name: chestnut bolete.

Russian names: Giroporus kashtanovyy, Kashtanovyy grib, Kashtanovik, Zayachiy grib.

Extract from Wikipedia article: Gyroporus castaneus, or commonly the chestnut bolete, is a small, white-pored relation of the Boletus mushrooms. It has a brown cap, and is usually found with oak trees. It differs from the true boletes in that the spores are a pale straw colour.

AI-generated description

Gyroporus castaneus is a species of bolete fungus characterized by its chestnut-brown cap and stipe, white pores, and ellipsoidal to cylindrical spores. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in association with coniferous trees, particularly pine, in sandy soils during summer and early autumn months. The fungus is relatively common in these regions, often found in mossy areas or under low vegetation. Fruitbodies are generally small to medium-sized, with caps reaching 3-8 cm in diameter.

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

Chestnut bolete mushroom (<B>Gyroporus castaneus</B>) near Gulf of Finland near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-03.htm">September 3, 2016</A>
LinkChestnut bolete mushroom (Gyroporus castaneus) near Gulf of Finland near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Chestnut bolete mushroom (<B>Gyroporus castaneus</B>) near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-03.htm">September 3, 2016</A>
LinkChestnut bolete mushroom (Gyroporus castaneus) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Chestnut bolete mushrooms (<B>Gyroporus castaneus</B>) near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-03.htm">September 3, 2016</A>
LinkChestnut bolete mushrooms (Gyroporus castaneus) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755

AI-generated summary of observations

Observations of Gyroporus castaneus in Leningrad Oblast and north-western Russia reveal that the fungus can be found in the region, particularly near the Gulf of Finland. On September 3, 2016, individual specimens of the chestnut bolete mushroom were spotted near Lisiy Nos, south of Saint Petersburg. Additionally, multiple mushrooms were observed growing together in the same area on the same date. The sightings suggest that Gyroporus castaneus is present in the region and can be found in specific locations, such as near Lisiy Nos, during the month of September. The fungus appears to thrive in this environment, with multiple specimens growing in close proximity to one another. These observations provide valuable insights into the distribution and growth patterns of Gyroporus castaneus in north-western Russia. The species seems to be established in the area, with a notable presence near the Gulf of Finland.

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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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