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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Agaricus semotus Fr., 1863

Agaricus semotus – Rosy wood mushroom

Synonyms: Fungus semotus, Pratella semota, Psalliota semota.

Common name: rosy wood mushroom.

Russian name: Shampinon krasnovatyy.

Extract from Wikipedia article: Agaricus semotus is a woodland mushroom of the fungus order Agaricales. It, like many of its relatives, can be found spread throughout wooded, moist areas in the southern United States, and has been found in areas ranging from California to Florida; it is also indigenous to Great Britain and Europe. A. semotus has also been collected in New Zealand. Although various authors disagree about its edibility, its modest size prevents it from being a significant source of nutrition.

AI-generated description

Agaricus semotus is a species of mushroom that grows in fields, meadows, and along roadsides. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically fruits from July to September, often in association with coniferous trees. The cap is 4-8 cm in diameter, hemispherical to convex, and brown to reddish-brown, while the stem is 3-6 cm tall and 0.5-1.5 cm thick, with a ring that is often absent or fragile. The flesh is white to pale yellow, turning reddish-brown when injured. It has been found in various locations throughout the region, including urban parks and rural areas.

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

Rosy wood mushrooms (<B>Agaricus semotus</B>) under large maple trees near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-01.htm">September 1, 2018</A>
LinkRosy wood mushrooms (Agaricus semotus) under large maple trees near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
Location on mapsSaint Petersburg, Russia, 197755
Dissected rosy wood mushrooms (<B>Agaricus semotus</B>) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-01.htm">September 1, 2018</A>
LinkDissected rosy wood mushrooms (Agaricus semotus) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
Location on mapsSaint Petersburg, Russia, 197755

AI-generated summary of observations

Observations of Agaricus semotus in Leningrad Oblast and north-western Russia reveal that the fungus grows under large maple trees. Specifically, near Lisiy Nos, west of Saint Petersburg, rosy wood mushrooms were found on September 1, 2018. The mushrooms were observed to be associated with the maple tree habitat, suggesting a possible symbiotic relationship. Dissection of the mushrooms revealed their internal structure, providing further insight into the species' characteristics. The observations suggest that Agaricus semotus thrives in this region, particularly under the canopy of large maple trees. The specific location and date of the observation provide valuable information on the habitat and seasonal patterns of the fungus in north-western Russia. The findings contribute to a better understanding of the ecology and distribution of Agaricus semotus in this region.

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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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