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Fungi: Basidiomycota: Agaricomycetes: Hymenochaetales: Hymenochaetaceae: Asterodon ferruginosus Pat., 1894

Asterodon ferruginosus

Russian name: Asterodon rzhavchinnyy.

AI-generated description

Asterodon ferruginosus is a rare fungus that grows on coniferous trees. In St. Petersburg and Leningrad Oblast, it has been found on pine and spruce trees, typically in old-growth forests with high humidity. In north-western Russia, the fungus is distributed sporadically, often associated with moss-covered trunks and branches. Its fruiting bodies are small, ferruginous-brown, and appear as tiny, rounded projections on the host tree's bark.

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

Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) on a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) on a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Location on mapsKonnolakhtinskaya dor., g. Sankt-Peterburg, Russia, 197229
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) on a mossy side of a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) on a mossy side of a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Location on mapsKonnolakhtinskaya dor., g. Sankt-Peterburg, Russia, 197229
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) covering a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) covering a rotten spruce stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Location on mapsUnnamed Road, g. Sankt-Peterburg, Russia, 197229
Texture of rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) covered with short spines near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkTexture of rusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) covered with short spines near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Location on mapsUnnamed Road, g. Sankt-Peterburg, Russia, 197229
Cinnamon fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) on a mossy stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkCinnamon fungus Asterodon ferruginosus (Asterodon ferruginosum) on a mossy stump near extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Location on mapsUnnamed Road, g. Sankt-Peterburg, Russia, 197229
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) taken from northern part of Yuntolovsky Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-21.htm">March 21, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) taken from northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-28.htm">April 28, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, April 28, 2017
Location on mapsOzyornaya ul., 45, Russia, 197733
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) with moss near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-28.htm">April 28, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) with moss near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, April 28, 2017
Location on mapsOzyornaya ul., 45, Russia, 197733
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) on a spruce stump near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-28.htm">April 28, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) on a spruce stump near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, April 28, 2017
Location on mapsOzyornaya ul., 45, Russia, 197733
Rusty brown fungus <B>Asterodon ferruginosus</B> (Asterodon ferruginosum) with moss and other mushrooms near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-28.htm">April 28, 2017</A>
LinkRusty brown fungus Asterodon ferruginosus (Asterodon ferruginosum) with moss and other mushrooms near Shchuchye Lake in Komarovo, north-west from Saint Petersburg. Russia, April 28, 2017
Location on mapsOzyornaya ul., 45, Russia, 197733

AI-generated summary of observations

The fungus Asterodon ferruginosus was observed on rotten spruce stumps in Yuntolovsky Park, Saint Petersburg, and near Shchuchye Lake in Komarovo, north-west of Saint Petersburg. On March 21, 2017, it was found on a mossy side of a stump, covering the entire surface, and displaying a texture with short spines. The fungus had a rusty brown color, also described as cinnamon. Similar observations were made on April 28, 2017, near Shchuchye Lake, where the fungus was found on spruce stumps, often accompanied by moss and other mushrooms. The fungus's appearance and growth patterns were consistent across the different locations, with its characteristic rusty brown color and spine-covered texture. These observations suggest that Asterodon ferruginosus is a common species in the region, thriving on decaying spruce wood.

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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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