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Fungi: Basidiomycota: Agaricomycetes: Russulales: Russulaceae: Lactarius quietus (Fr.) Fr., 1838

Lactarius quietus – Oakbug milkcap

Synonyms: Agaricus quietus, Galorrheus quietus, Lactarius pallidus, Lactifluus quietus.

Common name: oakbug milkcap.

Russian names: Mlechnik dubovyy, Mlechnik neytralnyy, Gruzd dubovyy, Mlechnik spokoynyy, Poddubnik, Podoreshnik.

Extract from Wikipedia article: Lactarius quietus (commonly known as the oak milkcap, oakbug milkcap or southern milkcap) is a mushroom of the genus Lactarius. It is easily identified by its oily scent and the concentric bands on its cap. It is brown, and is probably named after its matt, "quiet" surface and colouration. It is found exclusively under oak trees in Europe, where it grows solitarily or in scattered groups in autumn months. In North America, the variety L. quietus var. incanus is fairly common in the same habitat. The mushroom's edibility is disputed.

AI-generated description

Lactarius quietus is a species of mushroom that grows in association with trees, particularly conifers. In St. Petersburg and Leningrad Oblast, it is commonly found in pine and spruce forests. In north-western Russia, the fungus typically fruits from late summer to early autumn, often in mossy areas or under low-lying vegetation. Its cap is 3-6 cm in diameter, convex to flat, with a dry, velvety surface that ranges from reddish-brown to dark brown. The gills are crowded, pale yellowish to creamy, and the stem is cylindrical, often tapering towards the base. Lactarius quietus is considered edible, but not highly prized due to its mild flavor and soft texture.

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

Oak milkcap mushrooms (<B>Lactarius quietus</B>) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-05.htm">August 5, 2016</A>
LinkOak milkcap mushrooms (Lactarius quietus) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Banded caps of oak milkcap mushrooms (<B>Lactarius quietus</B>) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-05.htm">August 5, 2016</A>
LinkBanded caps of oak milkcap mushrooms (Lactarius quietus) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Oakbug milkcap mushrooms (<B>Lactarius quietus</B>) near the gulf near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-07-27.htm">July 27, 2017</A>
LinkOakbug milkcap mushrooms (Lactarius quietus) near the gulf near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
Location on mapsPolyanskaya dor., Sankt-Peterburg, Russia, 197755
Oakbug milkcap (<B>Lactarius quietus</B>) mushrooms near Razliv Lake, in Sestroretsk area west from Saint Petersburg. Russia, <A HREF="../date-en/2017-10-02.htm">October 2, 2017</A>
LinkOakbug milkcap (Lactarius quietus) mushrooms near Razliv Lake, in Sestroretsk area west from Saint Petersburg. Russia, October 2, 2017
Location on mapsDoroga K Shalashu Lenina, Sankt-Peterburg, Russia, 197701
Oak milkcap mushrooms (<B>Lactarius quietus</B>) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-01.htm">September 1, 2018</A>
LinkOak milkcap mushrooms (Lactarius quietus) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Top view of oakbug milkcap mushroom (<B>Lactarius quietus</B>) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-07.htm">August 7, 2024</A>
LinkTop view of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
Location on mapsБерёзовая аллея, Курорт, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Gills of oakbug milkcap mushroom (<B>Lactarius quietus</B>) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-07.htm">August 7, 2024</A>
LinkGills of oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
Location on mapsБерёзовая аллея, Курорт, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Section of an oakbug milkcap mushroom (<B>Lactarius quietus</B>) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-07.htm">August 7, 2024</A>
LinkSection of an oakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
Location on mapsБерёзовая аллея, Курорт, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Oakbug milkcap mushroom (<B>Lactarius quietus</B>) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, <A HREF="../date-en/2024-08-07.htm">August 7, 2024</A>
LinkOakbug milkcap mushroom (Lactarius quietus) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
Location on mapsБерёзовая аллея, Курорт, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия

AI-generated summary of observations

Observations of Lactarius quietus in Leningrad Oblast and north-western Russia reveal the fungus's presence in various locations near Saint Petersburg. The mushroom was found in Lisiy Nos, 5 miles west of Saint Petersburg, on multiple occasions between 2016 and 2018. It was also spotted near Razliv Lake in the Sestroretsk area in 2017. More recent observations were made in Dubki Park in Sestroretsk, where the fungus's banded caps, gills, and sections were documented in 2024. The oak milkcap mushrooms were typically found in areas with oak trees, suggesting a symbiotic relationship between the species. The repeated sightings of Lactarius quietus in these locations indicate that it is a relatively common species in the region, with a presence spanning at least eight years.

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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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