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Fungi: Basidiomycota: Agaricomycetes: Russulales: Russulaceae: Lactarius aquizonatus Kytöv., 1984

Lactarius aquizonatus – Water-margined milk cap

Common name: water-margined milk cap.

Russian name: Gruzd vodyanistozonovyy.

AI-generated description

Lactarius aquizonatus is a rare milk cap fungus species found in northern Europe and Russia. In St. Petersburg and Leningrad Oblast, it typically grows in sphagnum bogs and coniferous forests, often associated with spruce and pine trees. The fungus fruits from late summer to early autumn, producing small to medium-sized caps that are initially convex and later become depressed, with a pale yellowish-brown to greyish-brown color. In north-western Russia, Lactarius aquizonatus is considered a rare and endangered species due to habitat destruction and degradation.

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

Milkcap mushrooms <B>Lactarius aquizonatus</B> on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-09-29.htm">September 29, 2017</A>
LinkMilkcap mushrooms Lactarius aquizonatus on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 29, 2017
Water-margined milk cap mushrooms (<B>Lactarius aquizonatus</B>) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-05.htm">September 5, 2018</A>
LinkWater-margined milk cap mushrooms (Lactarius aquizonatus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018
Location on mapsТоксовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, Россия

AI-generated summary of observations

Observations of Lactarius aquizonatus in Leningrad Oblast and north-western Russia reveal its presence in various locations. The species was spotted on display at the Botanic Gardens of Komarov Botanical Institute in Saint Petersburg on September 29, 2017. Additionally, it was found growing near Kavgolovskoe Lake in Toksovo, located north of Saint Petersburg, on September 5, 2018. These sightings suggest that Lactarius aquizonatus can be found in the region's natural habitats, such as near lakes, and is also cultivated or collected for display in botanical gardens. The species appears to thrive in the area's climate, with observations recorded in late summer and early fall. Further study of its habitat and distribution in the region could provide more insight into the ecology of Lactarius aquizonatus. These findings contribute to a better understanding of the fungus's presence in north-western Russia.

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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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