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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Cortinariaceae: Cortinarius traganus (Fr.) Fr., 1838

Cortinarius traganus – Gassy webcap

Synonyms: Agaricus traganus, Inoloma traganum, Phlegmacium traganum.

Common name: gassy webcap.

Russian names: Pautinnik koziy, Pautinnik kozlinyy, Pautinnik voniuchiy.

Extract from Wikipedia article: Cortinarius traganus, also known as the gassy webcap, is a basidiomycete mushroom of the genus Cortinarius. The mushrooms are characterized by their lilac color, the rusty-brown gills and spores, and rusty-brown flesh in the stem.

AI-generated description

Cortinarius traganus is a species of fungus in the family Cortinariaceae. It has been found in St. Petersburg and Leningrad Oblast, typically growing in coniferous forests, especially with spruce and pine. In north-western Russia, it fruits from July to October, often in moist areas with rich soil. The cap is 2-6 cm in diameter, bell-shaped to convex, and reddish-brown to chestnut-brown in color. The gills are crowded and rust-colored, while the stem is cylindrical and fibrillose.

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

Gassy webcap mushroom (<B>Cortinarius traganus</B>) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-08-21.htm">August 21, 2013</A>
LinkGassy webcap mushroom (Cortinarius traganus) in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 21, 2013
Location on mapsM10, Leningrad Oblast, Russia
Gassy webcap mushroom (<B>Cortinarius traganus</B>) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-08-25.htm">August 25, 2013</A>
LinkGassy webcap mushroom (Cortinarius traganus) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, August 25, 2013
Location on mapsНовый переулок, 5, Leningrad Oblast, Russia
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, <A HREF="../date-en/2016-08-07.htm">August 7, 2016</A>
LinkGassy webcap mushrooms (Cortinarius traganus) in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016
Location on mapsUnnamed Road, Zakhodskoye, Leningradskaya oblast', Russia, 188861
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) in Dibuny, north-west from Saint Petersburg, Russia, <A HREF="../date-en/2016-08-09.htm">August 9, 2016</A>
LinkGassy webcap mushrooms (Cortinarius traganus) in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
Location on mapsUnnamed Road, g. Sankt-Peterburg, Russia, 197758
Gassy webcap mushroom (<B>Cortinarius traganus</B>) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-13.htm">August 13, 2016</A>
LinkGassy webcap mushroom (Cortinarius traganus) near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Light blue webcap mushrooms <B>Cortinarius traganus</B>(?) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-13.htm">August 13, 2016</A>
LinkLight blue webcap mushrooms Cortinarius traganus(?) near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) in Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-17.htm">August 17, 2016</A>
LinkGassy webcap mushrooms (Cortinarius traganus) in Orekhovo, north from Saint Petersburg. Russia, August 17, 2016
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Gassy webcap mushrooms (<B>Cortinarius traganus</B>)(?) near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-18.htm">August 18, 2016</A>
LinkGassy webcap mushrooms (Cortinarius traganus)(?) near Dibuny, north-west from Saint Petersburg. Russia, August 18, 2016
Location on mapsUnnamed Road, g. Sankt-Peterburg, Russia, 197758
Violet webcap mushrooms <B>Cortinarius traganus</B>(?) near Orekhovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-09.htm">September 9, 2016</A>
LinkViolet webcap mushrooms Cortinarius traganus(?) near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) in Dibuny, near Saint Petersburg. Russia, <A HREF="../date-en/2017-08-20.htm">August 20, 2017</A>
LinkGassy webcap mushrooms (Cortinarius traganus) in Dibuny, near Saint Petersburg. Russia, August 20, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia, 197758
Gassy webcap mushroom (<B>Cortinarius traganus</B>), to the right, and Goatcheese webcap (Cortinarius camphoratus) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-30.htm">August 30, 2017</A>
LinkGassy webcap mushroom (Cortinarius traganus), to the right, and Goatcheese webcap (Cortinarius camphoratus) in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188732
Gassy webcap mushroom (<B>Cortinarius traganus</B>), to the right, and Goatcheese webcap (Cortinarius camphoratus) in cross section in Petiayarvi, 50 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-30.htm">August 30, 2017</A>
LinkGassy webcap mushroom (Cortinarius traganus), to the right, and Goatcheese webcap (Cortinarius camphoratus) in cross section in Petiayarvi, 50 miles north from Saint Petersburg. Russia, August 30, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188732
Young gassy webcap mushroom (<B>Cortinarius traganus</B>) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-11.htm">August 11, 2024</A>
LinkYoung gassy webcap mushroom (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
Location on mapsДюны, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, Россия
Cross section of gassy webcap mushroom (<B>Cortinarius traganus</B>) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-11.htm">August 11, 2024</A>
LinkCross section of gassy webcap mushroom (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
Location on mapsДюны, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, Россия
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-11.htm">August 11, 2024</A>
LinkGassy webcap mushrooms (Cortinarius traganus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024
Location on mapsДюны, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, Россия
Gassy webcap mushrooms (<B>Cortinarius traganus</B>) between Oselki and Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-13.htm">August 13, 2024</A>
LinkGassy webcap mushrooms (Cortinarius traganus) between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
Location on mapsТоксовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, Россия

AI-generated summary of observations

Observations of Cortinarius traganus in Leningrad Oblast and north-western Russia show that the fungus is widespread in the region. It has been found in various locations, including Kannelyarvi, Kavgolovskoe Lake, Zakhodskoe, Dibuny, Orekhovo, and Petiayarvi, all within 50 miles of Saint Petersburg. The mushroom typically grows in late summer, with sightings recorded from August to September. Multiple observations have been made in the same locations over different years, suggesting that the fungus is a common and recurring presence in these areas. Some observations have also noted the presence of other Cortinarius species, such as Cortinarius camphoratus, growing alongside C. traganus. The fungus has been found in a range of habitats, including swamps and forests, and can grow in varying sizes and colors, including light blue and violet.

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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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