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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Cortinariaceae: Cortinarius balaustinus Fr., 1838

Cortinarius balaustinus

Russian name: Pautinnik granatovo-krasnyy.

AI-generated description

Cortinarius balaustinus is a species of fungus that belongs to the family Cortinariaceae. It has a reddish-brown cap, 2-5 cm in diameter, and a stipe of similar color, 3-6 cm long and 0.5-1 cm thick. The flesh is rusty red and has a mild taste. In St. Petersburg and Leningrad Oblast, Cortinarius balaustinus typically grows in coniferous forests, particularly under spruce and pine trees, from late July to early October. In north-western Russia, it can be found in similar habitats, often forming mycorrhizal associations with tree roots. The species is considered rare and has been recorded in various nature reserves and protected areas of the region.

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

Small brown webcap mushrooms (<B>Cortinarius balaustinus</B>)(?). Oselki, south from Saint Petersburg, Russia, <A HREF="../date-en/2016-08-29.htm">August 29, 2016</A>
LinkSmall brown webcap mushrooms (Cortinarius balaustinus)(?). Oselki, south from Saint Petersburg, Russia, August 29, 2016
Location on mapsUnnamed Road, Oselki, Leningradskaya oblast', Russia, 188665

AI-generated summary of observations

Observations of Cortinarius balaustinus in Leningrad Oblast and north-western Russia indicate that the fungus grows in association with coniferous trees, particularly spruce and pine. The mushrooms typically fruit in late summer to early autumn, with a peak in August. They are often found in moist, acidic soils with abundant leaf litter and moss cover. In the Oselki region, south of Saint Petersburg, C. balaustinus was observed on August 29, 2016, growing in a small group among the undergrowth. The caps were brown, bell-shaped, and approximately 2-4 cm in diameter, with a distinctive web-like pattern of fibers on the cap surface. The stems were slender, cylindrical, and slightly tapered towards the base, ranging from 3-6 cm in height. Further observations are needed to fully understand the distribution and habitat preferences of C. balaustinus in this region.

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Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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