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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Tricholomataceae: Tricholoma vaccinum (Schaeff.) P. Kumm., 1871

Tricholoma vaccinum – Scaly knight

Synonyms: Agaricus polyphyllus, Agaricus rufolivescens, Agaricus vaccinus, Amanita punctata, Cortinellus vaccinus, Gyrophila vaccina, Tricholomopsis vaccinum.

Common name: scaly knight.

Russian name: Ryadovka borodataya.

Extract from Wikipedia article: Tricholoma vaccinum, commonly known as the russet scaly tricholoma, the scaly knight, or the fuzztop, is a fungus of the agaric genus Tricholoma. It produces medium-sized fruit bodies (mushrooms) that have a distinctive hairy reddish-brown cap with a shaggy margin when young. The cap, which can reach a diameter of up to 6.5 cm (2.6 in) wide, breaks up into flattened scales in maturity. It has cream-buff to pinkish gills with brown spots. Its fibrous, hollow stipe is white above and reddish brown below, and measures 4 to 7.5 cm (1.6 to 3.0 in) long. Although young fruit bodies have a partial veil, it does not leave a ring on the stipe.

AI-generated description

Tricholoma vaccinum is a medium-sized to large fungus with a brownish-gray cap, often wavy or wrinkled, and white to pale yellow gills. It has a scaly stem and an unpleasant odor. In St. Petersburg, Leningrad Oblast, and north-western Russia, Tricholoma vaccinum typically grows in coniferous forests, especially with spruce and pine, from August to October. The fungus is considered edible but of poor quality due to its bitter taste and strong smell. It can be found in various habitats, including mossy areas, heathlands, and woodland edges.

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

Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) near Kavgolovskoe Lake near Oselki, 12 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-09-20.htm">September 20, 2013</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) near Kavgolovskoe Lake near Oselki, 12 miles north from Saint Petersburg. Russia, September 20, 2013
Location on mapsНовый переулок, 5, Kavgolovo, Leningrad Oblast, Russia
Scaly knight mushrooms (fuzztop, <B>Tricholoma vaccinum</B>) near Kavgolovskoe Lake, 12 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2013-09-20.htm">September 20, 2013</A>
LinkScaly knight mushrooms (fuzztop, Tricholoma vaccinum) near Kavgolovskoe Lake, 12 miles north from Saint Petersburg. Russia, September 20, 2013
Location on mapsНовый переулок, 5, Kavgolovo, Leningrad Oblast, Russia
Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) on roadside near Kavgolovo Lake, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-05.htm">September 5, 2016</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) on roadside near Kavgolovo Lake, north from Saint Petersburg. Russia, September 5, 2016
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) in Komarovo near Shchuchye Lake, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-17.htm">September 17, 2016</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) in Komarovo near Shchuchye Lake, north-west from Saint Petersburg. Russia, September 17, 2016
Location on mapsOzernaya ul., Russia, 197733
Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, <A HREF="../date-en/2016-09-21.htm">September 21, 2016</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, September 21, 2016
Location on mapsNovyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Group of scaly knight mushrooms (<B>Tricholoma vaccinum</B>) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, <A HREF="../date-en/2016-09-21.htm">September 21, 2016</A>
LinkGroup of scaly knight mushrooms (Tricholoma vaccinum) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, September 21, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188664
Dissected scaly knight mushroom (<B>Tricholoma vaccinum</B>) taken from roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, <A HREF="../date-en/2016-09-21.htm">September 21, 2016</A>
LinkDissected scaly knight mushroom (Tricholoma vaccinum) taken from roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, September 21, 2016
Scaly knight mushrooms (fuzztop, <B>Tricholoma vaccinum</B>) between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-28.htm">September 28, 2016</A>
LinkScaly knight mushrooms (fuzztop, Tricholoma vaccinum) between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, September 28, 2016
Location on mapsUnnamed Road, Leningradskaya oblast', Russia
Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2016-10-19.htm">October 19, 2016</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
Location on mapsPolyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Scaly knight mushrooms (<B>Tricholoma vaccinum</B>) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, <A HREF="../date-en/2017-10-05.htm">October 5, 2017</A>
LinkScaly knight mushrooms (Tricholoma vaccinum) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
Location on mapsOraniyenbaumskoye Shosse, 2к4, Petergof, Sankt-Peterburg, Russia, 198504

AI-generated summary of observations

Observations of Tricholoma vaccinum in Leningrad Oblast and north-western Russia reveal that the fungus grows in various locations near Saint Petersburg. It has been found near Kavgolovskoe Lake, with multiple sightings between 2013 and 2016, including on roadides and in groups. The fungus was also spotted in other areas, such as Komarovo near Shchuchye Lake, between Orekhovo and Lembolovo, near Lisiy Nos, and in Sergievka Park in Old Peterhof. The sightings occurred primarily in September, with a few in October, suggesting that the fungus fruits during this time period in the region. The observations provide insight into the distribution and growth patterns of Tricholoma vaccinum in north-western Russia. Multiple photographs were taken to document the fungus, including a dissected specimen, which can aid in further research and identification.

Comments

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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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