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.
Sepia bolete mushroom Xerocomellus porosporus (Boletus porosporus)(?) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
Sepia bolete mushrooms (Xerocomellus porosporus)(?) near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
Sepia bolete mushroom Xerocomellus porosporus(?) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Sepia bolete mushroom Xerocomellus porosporus together with earthball mushroom (Scleroderma citrinum) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Sepia bolete mushroom Xerocomellus porosporus(?) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Sepia bolete mushrooms (Xerocomellus porosporus) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Sepia bolete mushrooms Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Sepia bolete mushroom Xerocomellus porosporus near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Underside of sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Dissected sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Sepia bolete mushroom Xerocomellus porosporus near a forest road near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
Group of sepia bolete mushroom Xerocomellus porosporus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
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
Search of mushroom species for given keywords "Xerocomellus porosporus" was done through
catalogueoflife.org.