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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Entolomataceae: Entoloma sinuatum (Bull.) P. Kumm., 1871

Entoloma sinuatum – Livid pinkgill

Synonyms: Agaricus arenarius, Agaricus fertilis, Agaricus lividus, Agaricus sinuatus, Entoloma camelinum, Entoloma eulividum, Entoloma lividum, Rhodophyllus lividus, Rhodophyllus sinuatus.

Common name: livid pinkgill.

Russian names: Entoloma yadovitaya, Rozovoplastinnik gigantskiy, Rozovoplastinnik zheltovato-sizyy, Entoloma olovyannaya, Entoloma vyemchato-plastinkovaya.

Extract from Wikipedia article: Entoloma sinuatum (commonly known as the livid entoloma, livid agaric, livid pinkgill, leaden entoloma, and lead poisoner) is a poisonous mushroom found across Europe and North America. Some guidebooks refer to it by its older scientific names of Entoloma lividum or Rhodophyllus sinuatus. The largest mushroom of the genus of pink-spored fungi known as Entoloma, it is also the type species. Appearing in late summer and autumn, fruit bodies are found in deciduous woodlands on clay or chalky soils, or nearby parklands, sometimes in the form of fairy rings. Solid in shape, they resemble members of the genus Tricholoma. The ivory to light grey-brown cap is up to 20 cm (7.9 in) across with a margin that is rolled inward. The sinuate gills are pale and often yellowish, becoming pink as the spores develop. The thick whitish stem has no ring.

AI-generated description

Entoloma sinuatum is a species of fungus that belongs to the family Entolomataceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows in fields, meadows, and forests from summer to autumn. The cap is 2-6 cm in diameter, convex to flat, and often wavy or lobed, with a pinkish-brown to grayish-brown color. The gills are sinuate, crowded, and pale pink to pinkish-brown. The stem is 2-5 cm tall and 0.5-1.5 cm thick, cylindrical, and whitish to pale brown. Entoloma sinuatum is considered edible in some regions, but its edibility is not universally established and should be approached with caution. It is relatively common in the region, particularly in areas with rich soil and abundant vegetation.

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

Pinkgill mushrooms <B>Entoloma sinuatum</B>(?) on roadside near Lisiy Nos, south from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-17.htm">August 17, 2018</A>
LinkPinkgill mushrooms Entoloma sinuatum(?) on roadside near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
Location on mapsSaint Petersburg, Russia, 197755

AI-generated summary of observations

The observation of Entoloma sinuatum in Leningrad Oblast and north-western Russia revealed its presence in specific habitats. On August 17, 2018, pinkgill mushrooms resembling Entoloma sinuatum were found on a roadside near Lisiy Nos, south of Saint Petersburg. This sighting suggests that the fungus can thrive in disturbed areas, such as roadsides, where soil and vegetation are often altered. The discovery of E. sinuatum in this region indicates its ability to adapt to various environments, potentially including those with human influence. Further observations are needed to confirm the identity of the species and understand its ecological preferences in north-western Russia. The roadside habitat may provide a unique set of conditions that support the growth and development of E. sinuatum, highlighting the importance of continued exploration and documentation of fungal diversity in the region. Specific characteristics of the mushrooms were noted.

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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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