Milkcap mushrooms Lactarius mammosus in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
Unnamed Road, Leningradskaya oblast', Russia, 188663Synonyms: Lactarius confusus, Lactarius fuscus, Lactifluus mammosus.
Common name: pap milkcap.
Russian names: Gruzd sosochkovyy, Mlechnik sosochkovyy, Gruzd krupnyy, Mlechnik krupnyy.
Lactarius mammosus is a species of mushroom in the family Russulaceae. It has a cap that is 4-10 cm in diameter, convex to flat, with a wrinkled or warty surface, and a white to cream-colored stem. In St. Petersburg, Leningrad Oblast, and north-western Russia, Lactarius mammosus typically grows in coniferous forests, especially with spruce and pine, from August to October. It is considered a rare species in the region, but can be found in areas with rich soil and adequate moisture. Fruitbodies are often solitary or scattered, and the fungus is thought to form mycorrhizal relationships with surrounding trees.
Milkcap mushrooms Lactarius mammosus in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Milkcap mushrooms Lactarius mammosus in a pine forest in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Pap milkcap mushrooms (Lactarius mammosus) near Orekhovo, 45 miles north from Saint Petersburg. Russia, September 9, 2017Unnamed Road, Leningradskaya oblast', Russia
Pap milkcap mushrooms (Lactarius mammosus) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Unnamed Road, Leningradskaya oblast', Russia, 188732
Pap milkcap mushrooms (Lactarius mammosus) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Unnamed Road, Leningradskaya oblast', Russia, 188732
Milkcap mushrooms Lactarius mammosus in a sruce forest near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018Токсовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, РоссияObservations of Lactarius mammosus were made in various locations in Leningrad Oblast and north-western Russia. In Kuzmolovo, the fungus was found on July 26, 2017, in a pine forest, as well as in other areas north of Saint Petersburg. On September 9, 2017, it was spotted near Orekhovo, approximately 45 miles north of Saint Petersburg. Further observations were made in Petiayarvi on September 17, 2017, with multiple sightings recorded. Another sighting occurred on September 5, 2018, in a spruce forest near Kavgolovskoe Lake in Toksovo. The fungus was typically found in forests, often associated with pine or spruce trees. These observations suggest that Lactarius mammosus is widely distributed in the region and can be found in various types of forests during late summer and early fall. Multiple sightings were recorded in different locations.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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