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Fungi: Basidiomycota: Agaricomycetes: Polyporales: Fomitopsidaceae: Flavidoporia pulvinascens (Pilát) Audet, 2017

Flavidoporia pulvinascens

Synonyms: Antrodia pulvinascens, Poria pulvinascens.

Russian name: Antrodiya podushkoobraznaya.

AI-generated description

Flavidoporia pulvinascens is a crust fungus that grows on decaying wood. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found on various substrates including birch, alder, and spruce logs, typically in moist environments such as forests, parks, and riverbanks. The fungus produces resupinate fruiting bodies with a smooth to wrinkled surface, ranging in color from yellowish to brownish, and has a monomitic hyphal system. It is a relatively rare species in the region, but can be locally common in areas with abundant suitable substrate.

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

Rare tinder mushrooms <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) forming stalactite like structure called pseudopilei on a stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkRare tinder mushrooms Flavidoporia pulvinascens (Antrodia pulvinascens) forming stalactite like structure called pseudopilei on a stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Pseudopilei (false caps) of tinder fungus (mushrooms) <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) on a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkPseudopilei (false caps) of tinder fungus (mushrooms) Flavidoporia pulvinascens (Antrodia pulvinascens) on a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite incrustation (pseudopilei) of a tree stump by a rare tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkStalactite incrustation (pseudopilei) of a tree stump by a rare tinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Pores of pseudopilei (stalactite formation) by a tinder fungus (mushroom) <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkPores of pseudopilei (stalactite formation) by a tinder fungus (mushroom) Flavidoporia pulvinascens (Antrodia pulvinascens) near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite like pseudopilei of <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) mushroom hanging from a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkStalactite like pseudopilei of Flavidoporia pulvinascens (Antrodia pulvinascens) mushroom hanging from a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite structure (pseudopilei) of a tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) on a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-01.htm">March 1, 2017</A>
LinkStalactite structure (pseudopilei) of a tinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) on a tree stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite like pseudopilei of <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) mushroom on a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkStalactite like pseudopilei of Flavidoporia pulvinascens (Antrodia pulvinascens) mushroom on a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Tinder mushrooms <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) forming stalactite like structure called pseudopilei on a stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkTinder mushrooms Flavidoporia pulvinascens (Antrodia pulvinascens) forming stalactite like structure called pseudopilei on a stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
A stump with tinder mushrooms <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkA stump with tinder mushrooms Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite incrustation (pseudopilei) of a tree stump by a rare tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkStalactite incrustation (pseudopilei) of a tree stump by a rare tinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite structure on a stump by a tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkStalactite structure on a stump by a tinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite like pseudopilei of <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) mushroom hanging from a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkStalactite like pseudopilei of Flavidoporia pulvinascens (Antrodia pulvinascens) mushroom hanging from a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkTinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Pores of a tinder fungus (mushroom) <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkPores of a tinder fungus (mushroom) Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Stalactite incrustation (pseudopilei) of a tree stump by a tinder mushroom <B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkStalactite incrustation (pseudopilei) of a tree stump by a tinder mushroom Flavidoporia pulvinascens (Antrodia pulvinascens) in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Location on mapsZapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
<B>Flavidoporia pulvinascens</B> (Antrodia pulvinascens) mushroom taken from a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-09.htm">March 9, 2017</A>
LinkFlavidoporia pulvinascens (Antrodia pulvinascens) mushroom taken from a tree stump in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017

AI-generated summary of observations

Flavidoporia pulvinascens was observed forming stalactite-like structures called pseudopilei on tree stumps in Yuntolovsky Park, Leningrad Oblast, and north-western Russia. The pseudopilei were found hanging from stumps or covering them with a stalactite incrustation. Observations were made on March 1 and 9, 2017, with multiple instances of the fungus forming these unique structures. The pseudopilei had pores and were found in various stages of growth. The fungus was observed on tree stumps near the northern road in Yuntolovsky Park, indicating a possible preference for this environment. Overall, the observations suggest that Flavidoporia pulvinascens is capable of forming distinctive stalactite-like structures in this region, which can be found on tree stumps in the park. The fungus appears to thrive in this environment, producing multiple pseudopilei on a single stump.

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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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