Lentinellus ursinus is a species of fungus that belongs to the family Auriscalpiaceae. It is a small to medium-sized mushroom with a hairy cap and stipe, typically growing on coniferous logs or stumps. In St. Petersburg and Leningrad Oblast, it has been found in mixed forests, often associated with spruce and pine trees. In north-western Russia, it is considered a rare species, typically fruiting in late summer to early autumn, with records from the Murmansk, Arkhangelsk, and Vologda regions, as well as the Republic of Karelia.
Wood decay mushrooms Lentinellus ursinus on a log near Lembolovo, north from Saint Petersburg. Russia, August 19, 2016 Unnamed Road, Leningradskaya oblast', Russia, 188695
Timber mushrooms Lentinellus ursinus in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017 Unnamed Road, Sankt-Peterburg, Russia
Timber mushrooms Lentinellus ursinus in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188695
Bear cockleshell mushrooms (Lentinellus ursinus)(?) on a big oak near the Gulf near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017 Primorskoye Shosse, Sankt-Peterburg, Russia, 197755
Bear cockleshell mushrooms (Lentinellus ursinus) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017 Unnamed Road, Leningradskaya oblast', Russia, 188695
Bear cockleshell mushrooms (Lentinellus ursinus) on a birch log in a forest east from a train stop Platform 46 km near Semrino, south from Saint Petersburg. Russia, August 10, 2024 Гатчинский муниципальный округ, Ленинградская область, Северо-Западный федеральный округ, 188345, Россия
Caps of bear cockleshell mushrooms (Lentinellus ursinus) on a birch log in a forest east from a train stop Platform 46 km near Semrino, south from Saint Petersburg. Russia, August 10, 2024 Russia, Leningrad, Семрино, 188345, 41к-222
AI-generated summary of observations
Observations of Lentinellus ursinus in Leningrad Oblast and north-western Russia reveal that the fungus grows on various types of wood, including logs and trees. It has been spotted on a log near Lembolovo, in Sosnovka Park, and on oak and birch trees in different locations. The fungus was found in areas around Saint Petersburg, with sightings recorded between August 2016 and August 2024. Specific locations include Lembolovo, Sosnovka Park, the Gulf near Lisiy Nos, and a forest east of Semrino. The fungus appears to thrive in these regions, with multiple observations of its presence on different types of wood. The sightings were recorded during the summer months, suggesting that Lentinellus ursinus is active during this time in north-western Russia.
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Search of mushroom species for given keywords "Lentinellus ursinus" was done through
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