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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Cortinariaceae: Cortinarius purpureus (Bull.) Bidaud, Moënne-Locc. & Reumaux, 1994

Cortinarius purpureus – Imperial webcap

Synonyms: Agaricus phoeniceus, Agaricus purpureus, Cortinarius miltinus, Cortinarius phoeniceus, Dermocybe phoenicea.

Common name: imperial webcap.

Russian name: Pautinnik purpurnyy.

AI-generated description

Cortinarius purpureus is a species of fungus characterized by its distinctive purple cap and stem. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in coniferous and mixed forests, often associated with spruce and pine trees. Fruitings occur from late summer to early autumn, with a preference for moist, acidic soils. The fungus is considered rare in the region, but can be found in scattered locations, including the Karelian Isthmus and the Valdai Hills.

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

Imperial webcap mushrooms (<B>Cortinarius purpureus</B>) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-13.htm">August 13, 2016</A>
LinkImperial webcap mushrooms (Cortinarius purpureus) near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia
Imperial webcap mushrooms (<B>Cortinarius purpureus</B>) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-09.htm">September 9, 2017</A>
LinkImperial webcap mushrooms (Cortinarius purpureus) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia

AI-generated summary of observations

Observations of Cortinarius purpureus in Leningrad Oblast and north-western Russia reveal that the fungus can be found in the region during late summer to early fall. Specifically, Imperial webcap mushrooms were spotted near Orekhovo, north of Saint Petersburg, on August 13, 2016. Additionally, they were also found north of Lembolovo, approximately 40 miles north of Saint Petersburg, on September 9, 2017. These sightings suggest that Cortinarius purpureus may thrive in the area's climate and habitat during this time period. The fungus appears to grow in the wild, likely in association with tree roots, given its typical mycorrhizal relationships. Further observations are needed to fully understand the distribution and ecology of Cortinarius purpureus in this region. These findings contribute to a better understanding of the species' range and habits in north-western Russia.

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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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