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Fungi: Basidiomycota: Agaricomycetes: Boletales: Hygrophoropsidaceae: Leucogyrophana mollusca (Fr.) Pouzar, 1958

Leucogyrophana mollusca

Synonyms: Merulius aurantiacus, Merulius aureus, Merulius fugax, Merulius laeticolor, Merulius molluscus, Merulius paucirugus, Merulius subaurantiacus, Serpula fugax, Serpula mollusca, Sesia fugax, Sesia laeticolor, Sesia mollusca, Sesia subaurantiaca, Xylomyzon molluscum, Xylomyzon paucirugum.

Russian name: Leykogirofana myagkaya.

Extract from Wikipedia article: Leucogyrophana mollusca is a fungus of the genus Leucogyrophana and family Hygrophoropsidaceae.

AI-generated description

Leucogyrophana mollusca is a species of fungus that belongs to the family Hygrophoraceae. It is characterized by its small to medium-sized fruiting bodies, which have a waxy texture and a pale yellow to cream-colored cap. In St. Petersburg, Leningrad Oblast, and north-western Russia, Leucogyrophana mollusca has been found growing on decaying wood, particularly on coniferous trees such as spruce and fir, in moist and shaded areas, including forests, parks, and gardens. The fungus is typically encountered during the summer and autumn months, from July to October.

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

Corticioid mushroom <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkCorticioid mushroom Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Wood decay mushroom <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkWood decay mushroom Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Crust fungus <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkCrust fungus Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Close up of corticioid mushroom <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkClose up of corticioid mushroom Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Texture of corticioid mushroom <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkTexture of corticioid mushroom Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Corticioid mushroom <B>Leucogyrophana mollusca</B> on a decaying trunk of mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkCorticioid mushroom Leucogyrophana mollusca on a decaying trunk of mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
Red crust of corticioid mushroom <B>Leucogyrophana mollusca</B> on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-08.htm">May 8, 2019</A>
LinkRed crust of corticioid mushroom Leucogyrophana mollusca on a fallen mountain ash on east side of sandpit near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019

AI-generated summary of observations

Observations of Leucogyrophana mollusca in Leningrad Oblast and north-western Russia reveal the fungus grows on fallen mountain ash trees. On May 8, 2019, near Kuzmolovo, north of Saint Petersburg, the corticioid mushroom was found on the east side of a sandpit. It was observed on both fallen and decaying trunks of mountain ash, with a red crust forming on the substrate. Close-up observations showed the texture of the fungus, while other observations noted its role as a wood decay mushroom. The fungus was consistently found on mountain ash, suggesting a specific substrate preference. Multiple sightings on the same day in the same area indicate that Leucogyrophana mollusca is present and active in this region, contributing to the decomposition process of fallen trees. Its presence was documented through various photographs showcasing its growth and characteristics.

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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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