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Fungi: Basidiomycota: Agaricomycetes: Boletales: Tapinellaceae: Pseudomerulius aureus (Fr.) Jülich, 1979

Pseudomerulius aureus – Orange netcrust

Synonyms: Cantharellus crucibulum, Merulius aureus, Merulius croceus, Merulius crucibulum, Merulius vastator, Plicatura aurea, Serpula aurea, Xylomyzon croceum, Xylomyzon solare.

Common name: orange netcrust.

Russian name: Psevdomerulius zolotistyy.

AI-generated description

Pseudomerulius aureus is a species of fungus that belongs to the family Tapinellaceae. It is characterized by its golden-yellow to orange-brown cap and white to yellowish gills. In St. Petersburg, Leningrad Oblast, and north-western Russia, Pseudomerulius aureus has been found growing on decaying wood, particularly on coniferous trees such as spruce and pine, in moist and shaded areas, including forests, parks, and swamps. The fungus typically fruits in late summer to early autumn.

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

Orange timber fungus <B>Pseudomerulius aureus</B> on a wet log near Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-03.htm">September 3, 2017</A>
LinkOrange timber fungus Pseudomerulius aureus on a wet log near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188663

AI-generated summary of observations

The observation of Pseudomerulius aureus in Leningrad Oblast and north-western Russia revealed its presence on decaying wood. On September 3, 2017, the fungus was found growing on a wet log near Kuzmolovo, north of Saint Petersburg. The fruiting bodies of P. aureus were observed to be orange in color, characteristic of the species. The habitat of the fungus consisted of moist, decaying wood, suggesting that it plays a role in decomposing organic matter in these ecosystems. Further observations in the region may reveal more about the distribution and ecological significance of P. aureus in north-western Russia. The discovery of this species in Leningrad Oblast highlights the diversity of fungal life in the area and underscores the importance of continued exploration and documentation of Russia's mycological resources. This finding contributes to a better understanding of the region's fungal flora.

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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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