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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Mycenaceae: Panellus ringens (Fr.) Romagn., 1945

Panellus ringens – Winter oysterling

Synonyms: Agaricus ringens, Lentinus ringens, Lentinus salicinus, Panus ringens, Panus salicinus, Pocillaria ringens, Pocillaria salicina, Scytinotus ringens.

Common name: winter oysterling.

Russian names: Panellius otkrytyy, Panellius ringens.

AI-generated description

Panellus ringens is a species of fungus that grows on decaying wood, particularly deciduous trees. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to fruit in late summer to early fall, typically on logs, stumps, and branches of birch, aspen, and alder. The fungus produces small to medium-sized, funnel-shaped or wavy caps that are yellowish-brown to brown in color, with a white to pale yellow spore print. It is considered a rare species in the region, but can be locally common in areas with abundant deciduous wood debris.

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

Mushrooms <B>Panellus ringens</B> on a fallen alder tree in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-26.htm">March 26, 2017</A>
LinkMushrooms Panellus ringens on a fallen alder tree in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017
Location on mapsZaprudnaya ul., Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Caps of mushrooms <B>Panellus ringens</B> on a dry willow near Chornaya River between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-03.htm">April 3, 2017</A>
LinkCaps of mushrooms Panellus ringens on a dry willow near Chornaya River between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017
Location on mapsProletarskiy pr., 31, Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Mushrooms <B>Panellus ringens</B> on a dry willow near Chornaya River between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-03.htm">April 3, 2017</A>
LinkMushrooms Panellus ringens on a dry willow near Chornaya River between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017
Location on mapsProletarskiy pr., 31, Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Caps of mushrooms <B>Panellus ringens</B> found between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-03.htm">April 3, 2017</A>
LinkCaps of mushrooms Panellus ringens found between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017
Location on mapspr. Raevskogo, 24, Sankt-Peterburg, Russia, 194064
Mushrooms <B>Panellus ringens</B> on a birch in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-04-22.htm">April 22, 2017</A>
LinkMushrooms Panellus ringens on a birch in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
Location on mapsSvetlanovskiy pr., 61к1, Sankt-Peterburg, Russia, 194064
Caps of mushrooms <B>Panellus ringens</B> in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-04-22.htm">April 22, 2017</A>
LinkCaps of mushrooms Panellus ringens in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
Location on mapsSvetlanovskiy pr., 61к1, Sankt-Peterburg, Russia, 194064
Gills of mushrooms <B>Panellus ringens</B> in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-04-22.htm">April 22, 2017</A>
LinkGills of mushrooms Panellus ringens in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
Location on mapsSvetlanovskiy pr., 61к1, Sankt-Peterburg, Russia, 194064
Mushrooms <B>Panellus ringens</B> in snow in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-04-22.htm">April 22, 2017</A>
LinkMushrooms Panellus ringens in snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
Location on mapsSvetlanovskiy pr., 61к1, Sankt-Peterburg, Russia, 194064
Witches butter mushroom (jelly fungus, Exidia nigricans) with <B>Panellus ringens</B>(?) on a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-06.htm">May 6, 2019</A>
LinkWitches butter mushroom (jelly fungus, Exidia nigricans) with Panellus ringens(?) on a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, May 6, 2019
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755

AI-generated summary of observations

Mushrooms of Panellus ringens were observed growing on various substrates in Leningrad Oblast and north-western Russia. On March 26, 2017, they were found on a fallen alder tree near an old brick factory between Pesochnaya and Dibuny. Later, on April 3, 2017, they were observed on dry willows near Chornaya River in the same area. The mushrooms were also spotted in Sosnovka Park in Saint Petersburg on April 22, 2017, growing on birch trees. Additional observations included growth on fallen birch near Lisiy Nos on May 6, 2019, and co-occurrence with Exidia nigricans. The fungus was found to thrive in different environments, from dry willows to snow-covered areas, highlighting its adaptability. These sightings provide insight into the habitat preferences and distribution of Panellus ringens 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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