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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Tricholomataceae: Tricholoma pessundatum (Fr.) Quél., 1872

Tricholoma pessundatum – Tacked knight

Synonyms: Agaricus pessundatus, Gyrophila equestris, Gyrophila pessundata.

Common name: tacked knight.

Russian names: Ryadovka pyatnistaya, Ryadovka krapchataya, Ryadovka pogublennaya, Ryadovka volnisto-nozhkovaya.

Extract from Wikipedia article: Tricholoma pessundatum is a mushroom of the agaric genus Tricholoma. First described as Agaricus pessundatus by Elias Magnus Fries in 1821, it was transferred to the genus Tricholoma by Lucien Quélet in 1872.

AI-generated description

Tricholoma pessundatum is a species of mushroom found in northern Europe and Russia. In St. Petersburg and Leningrad Oblast, it typically grows in coniferous forests, especially with spruce and pine, from August to October. The cap is 3-7 cm in diameter, grayish-brown to brown, and often has a distinctive umbo. The gills are white to cream-colored, and the stem is cylindrical, white to grayish. In north-western Russia, it is considered a rare species, but can be found in similar habitats, including mossy spruce forests and heathlands.

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

Brown knight mushrooms (<B>Tricholoma pessundatum</B>)(?) between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-28.htm">September 28, 2016</A>
LinkBrown knight mushrooms (Tricholoma pessundatum)(?) between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, September 28, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia

AI-generated summary of observations

The fungus Tricholoma pessundatum was observed in the Leningrad Oblast region of north-western Russia. Specifically, a sighting was recorded between Orekhovo and Lembolovo, north of Saint Petersburg, on September 28, 2016. The observation suggests that the species is present in this region during late summer to early fall. The habitat and environmental conditions of the area may be suitable for the growth and development of Tricholoma pessundatum. Further observations are needed to confirm the distribution and abundance of the species in this region. The sighting provides valuable information on the geographical range of the fungus, which can contribute to a better understanding of its ecology and biology. The observation was made in a specific location, indicating that the species may be more widespread in the region than previously thought.

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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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