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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Hygrophoraceae: Hygrophorus eburneus (Bull.) Fr., 1838

Hygrophorus eburneus – Ivory woodwax

Synonyms: Agaricus eburneus, Gymnopus eburneus, Hygrophorus cossus, Limacium eburneum.

Common name: ivory woodwax.

Russian name: Gigrofor zheltovato-belyy.

Extract from Wikipedia article: Hygrophorus eburneus, commonly known as the ivory waxy cap or the cowboy's handkerchief, is a species of edible mushroom in the waxgill family of fungi. It is widespread in Europe and North America, and has also been collected in northern Africa. The fruit bodies are medium-sized, pure white, and when wet are covered in a layer of slime thick enough to make the mushroom difficult to pick up. The gills are broadly attached to the stem or running down it; as the family name suggests, they feel waxy when rubbed between the fingers. Like all Hygrophorus species, the fungus is mycorrhizal—a symbiotic association whereby the underground fungal mycelia penetrate and exchange nutrients with tree roots. They are common in a variety of forest types, where they grow on the ground in thickets or grassy areas. Hygrophorus eburneus is the type species of the genus Hygrophorus. A number of biologically active chemicals have been purified from the fruit bodies of the fungus, including fatty acids with bactericidal and fungicidal activity.

AI-generated description

Hygrophorus eburneus is a species of fungus that belongs to the family Hygrophoraceae. It is characterized by its ivory-white cap and stem, and white gills. In St. Petersburg, Leningrad Oblast, and north-western Russia, H. eburneus typically grows in coniferous forests, often associated with spruce and pine trees. Fruiting bodies are usually found from late summer to early autumn, in moist, acidic soils with abundant humus. The fungus is considered rare in the region, but can be locally abundant in suitable habitats.

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

Ivory waxy cap mushrooms (<B>Hygrophorus eburneus</B>) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-16.htm">September 16, 2016</A>
LinkIvory waxy cap mushrooms (Hygrophorus eburneus) near Lisiy Nos, west from Saint Petersburg. Russia, September 16, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755

AI-generated summary of observations

The fungus Hygrophorus eburneus was observed in Leningrad Oblast and north-western Russia, specifically near Lisiy Nos, west of Saint Petersburg. On September 16, 2016, ivory waxy cap mushrooms were found in the area. The observation suggests that the species is present in the region during the late summer to early fall season. The habitat and environmental conditions in this region appear to support the growth of Hygrophorus eburneus. Further observations are needed to fully understand the distribution and abundance of the species in north-western Russia. The presence of H. eburneus in this area indicates a potentially wider range for the species, highlighting the importance of continued exploration and documentation of fungal diversity in the region. Observations like these contribute to a better understanding of the ecology and biogeography of Hygrophorus eburneus.

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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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