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Fungi: Basidiomycota: Agaricomycetes: Boletales: Boletaceae: Xerocomellus porosporus (Imler ex Watling) Šutara, 2008

Xerocomellus porosporus – Sepia bolete

Synonyms: Boletus porosporus, Xerocomus porosporus.

Common name: sepia bolete.

Russian names: Mokhovik porosporovyy, Borovik porosporovyy.

AI-generated description

Xerocomellus porosporus is a species of bolete fungus characterized by its small to medium size, brown to reddish-brown cap, and yellow to olive-green pores. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in association with coniferous trees, particularly spruce and pine, in moist acidic soils. Fruitings often occur from late summer to early autumn, with a preference for shaded areas and moss-covered grounds. The species is considered rare in the region, but can be found in scattered locations, including forests, heathlands, and boggy areas.

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

Sepia bolete mushroom <B>Xerocomellus porosporus</B> (Boletus porosporus)(?) in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-12.htm">September 12, 2016</A>
LinkSepia bolete mushroom Xerocomellus porosporus (Boletus porosporus)(?) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
Location on mapsPolyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Sepia bolete mushrooms (<B>Xerocomellus porosporus</B>)(?) near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2017-08-23.htm">August 23, 2017</A>
LinkSepia bolete mushrooms (Xerocomellus porosporus)(?) near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
Location on mapsPolyanskaya Doroga, Sankt-Peterburg, Russia, 197755
Sepia bolete mushroom <B>Xerocomellus porosporus</B>(?) near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-17.htm">August 17, 2018</A>
LinkSepia bolete mushroom Xerocomellus porosporus(?) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Location on mapsПолянская дорога, Поляны, Лисий Нос, Санкт-Петербург, Северо-Западный федеральный округ, 189645, Россия
Sepia bolete mushroom <B>Xerocomellus porosporus</B> together with earthball mushroom (Scleroderma citrinum) near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-17.htm">August 17, 2018</A>
LinkSepia bolete mushroom Xerocomellus porosporus together with earthball mushroom (Scleroderma citrinum) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Sepia bolete mushroom <B>Xerocomellus porosporus</B>(?) near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkSepia bolete mushroom Xerocomellus porosporus(?) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsSaint Petersburg, Russia, 197755
Sepia bolete mushrooms (<B>Xerocomellus porosporus</B>) near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkSepia bolete mushrooms (Xerocomellus porosporus) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsSaint Petersburg, Russia, 197755
Sepia bolete mushrooms <B>Xerocomellus porosporus</B> near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkSepia bolete mushrooms Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsSaint Petersburg, Russia, 197755
Sepia bolete mushroom <B>Xerocomellus porosporus</B> near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkSepia bolete mushroom Xerocomellus porosporus near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Underside of sepia bolete mushroom <B>Xerocomellus porosporus</B> near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkUnderside of sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Dissected sepia bolete mushroom <B>Xerocomellus porosporus</B> near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkDissected sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Sepia bolete mushroom <B>Xerocomellus porosporus</B> near a forest road near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkSepia bolete mushroom Xerocomellus porosporus near a forest road near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Group of sepia bolete mushroom <B>Xerocomellus porosporus</B> near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2018-08-26.htm">August 26, 2018</A>
LinkGroup of sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755

AI-generated summary of observations

Multiple observations of the fungus Xerocomellus porosporus were made in Leningrad Oblast and north-western Russia, specifically near Lisiy Nos, west and south of Saint Petersburg. The fungus was found on various dates between 2016 and 2018, with multiple sightings in August 2017 and 2018. It was often found growing alone or in groups, and on one occasion, it was observed alongside the earthball mushroom (Scleroderma citrinum). The observations included photographs of the mushroom's cap, underside, and dissected specimens, providing detailed documentation of its appearance and growth habits in the region. The sightings were concentrated near Lisiy Nos, suggesting that the area may be a suitable habitat for Xerocomellus porosporus.

Comments

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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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