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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Tubariaceae: Tubaria confragosa (Fr.) Harmaja, 1978

Tubaria confragosa – Ringed Tubaria

Synonyms: Agaricus confragosus, Fulvidula confragosa, Naucoria confragosa, Phaeomarasmius confragosus, Pholiota confragosa.

Common names: ringed Tubaria, ringed twiglet.

Russian name: Tubariya bugristraya.

AI-generated description

Tubaria confragosa is a species of fungus that belongs to the family Tubariaceae. It has a convex to flat cap, 1-4 cm in diameter, with a reddish-brown to yellowish-brown color and a smooth to slightly scaly surface. The gills are adnate to emarginate, crowded, and pale brown to reddish-brown. The stem is cylindrical, 1-4 cm long, and 0.2-0.6 cm thick, with a similar color to the cap. In St. Petersburg, Leningrad Oblast, and north-western Russia, Tubaria confragosa typically grows in groups on soil, moss, or decaying wood in coniferous and mixed forests, often in areas with rich organic matter and moderate humidity, from July to October.

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

Mushrooms <B>Tubaria confragosa</B> on a tree stump near Pesochnaya, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-07-23.htm">July 23, 2017</A>
LinkMushrooms Tubaria confragosa on a tree stump near Pesochnaya, north-west from Saint Petersburg. Russia, July 23, 2017
Location on mapsProletarskiy pr., 31, Sankt-Peterburg, Russia, 197758
Mushrooms <B>Tubaria confragosa</B> in moss near Pesochnaya, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-07-23.htm">July 23, 2017</A>
LinkMushrooms Tubaria confragosa in moss near Pesochnaya, north-west from Saint Petersburg. Russia, July 23, 2017
Location on mapsProletarskiy pr., 31, Sankt-Peterburg, Russia, 197758
Gills of mushrooms <B>Tubaria confragosa</B> near Pesochnaya, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-07-23.htm">July 23, 2017</A>
LinkGills of mushrooms Tubaria confragosa near Pesochnaya, north-west from Saint Petersburg. Russia, July 23, 2017
Location on mapsProletarskiy pr., 31, Sankt-Peterburg, Russia, 197758
Mushrooms <B>Tubaria confragosa</B> in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-01.htm">August 1, 2017</A>
LinkMushrooms Tubaria confragosa in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
Location on mapsAvtodoroga Sortavala, Leningradskaya oblast', Russia, 188660
Ringed Tubaria mushrooms (<B>Tubaria confragosa</B>) on a forest cutting under power lines near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-18.htm">September 18, 2017</A>
LinkRinged Tubaria mushrooms (Tubaria confragosa) on a forest cutting under power lines near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017
Location on mapsBeloostrovskoye Shosse, 1, Pesochny, Sankt-Peterburg, Russia, 197758
Ringed Tubaria mushrooms (<B>Tubaria confragosa</B>) near Orekhovo, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-30.htm">August 30, 2018</A>
LinkRinged Tubaria mushrooms (Tubaria confragosa) near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731

AI-generated summary of observations

Mushrooms of the species Tubaria confragosa were observed in various locations throughout Leningrad Oblast and north-western Russia. On July 23, 2017, they were found on a tree stump near Pesochnaya and in moss in the same area. The gills of the mushrooms were also examined near Pesochnaya. Later, on August 1, 2017, they were spotted in a forest near Okhta River in Toksovo. Further observations were made on September 18, 2017, at a forest cutting under power lines near Dibuny, and again on August 30, 2018, near Orekhovo, approximately 45 miles north of Saint Petersburg. The species was also referred to as Ringed Tubaria mushrooms in some instances, highlighting its distinctive ring feature. These observations suggest that Tubaria confragosa is present in the region's forests and woodlands during the summer and early fall months.

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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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