Winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) near Orekhovo, north from Saint Petersburg, Russia, October 22, 2016Synonyms: Boletus brumalis, Boletus ciliatus, Boletus fasciculatus, Boletus fuscidulus, Boletus hypocrateriformis, Boletus umbilicatus, Favolus apiahynus, Leucoporus brumalis, Leucoporus fuscidulus, Leucoporus vernalis, Microporus substriatus, Polyporellus brumalis, Polyporellus fuscidulus, Polyporus brumalis, Polyporus cyathoides, Polyporus flexipes, Polyporus fuscidulus, Polyporus luridus, Polyporus nanus, Polyporus pauperculus, Polyporus rubripes, Polyporus subarcularius, Polyporus substriatus, Polyporus trachypus, Polyporus tucumanensis, Polyporus vernalis, Polystictus substriatus.
Common name: winter polypore.
Russian names: Poliporus zimniy, Trutovik zimniy.
Lentinus brumalis is a species of edible mushroom in the family Polyporaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows on deciduous trees, especially willow, alder, and birch, from May to October. The cap is 3-8 cm in diameter, convex to flat, with a smooth to velvety surface, and light brown to tan color. The gills are crowded, narrow, and white to cream-colored. It is a relatively rare species in the region, often found in small groups or solitary on stumps, logs, or living trees, particularly in moist areas near water bodies.
Winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) near Orekhovo, north from Saint Petersburg, Russia, October 22, 2016
Pores of winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) near Orekhovo, north from Saint Petersburg, Russia, October 22, 2016
Winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) taken from a rotten log near Orekhovo, north from Saint Petersburg, Russia, October 22, 2016
Lentinus brumalis (Polyporus brumalis) mushrooms on a fallen willow near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017
Lentinus brumalis (Polyporus brumalis) mushrooms on wood litter in Lavriki, north from Saint Petersburg. Russia, March 14, 2017
Lentinus brumalis (Polyporus brumalis) mushrooms taken from Lavriki, north from Saint Petersburg. Russia, March 14, 2017
Lentinus brumalis (Polyporus brumalis) mushrooms taken from area of Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017
Lentinus brumalis (Polyporus brumalis) mushrooms on a log near Lisiy Nos, west from Saint Petersburg. Russia, March 16, 2017
Small winter polypore mushrooms Lentinus brumalis(?) growing on peat in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
Small winter polypore mushrooms Lentinus brumalis(?) taken from swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
Hymenophore of winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) found between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017
Winter polypore mushrooms (Lentinus brumalis, Polyporus brumalis) found between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017
Lentinus brumalis (Polyporus brumalis) mushrooms on a fallen birch(?) near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
Lentinus brumalis (Polyporus brumalis) mushroom from a fallen birch taken from area near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
Winter polypore mushrooms (Lentinus brumalis) near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
Winter polypore mushrooms (Lentinus brumalis)(?) on roadside near Kavgolovskoe Lake in Toksovo, suburb of Saint Petersburg. Russia, June 10, 2017
Winter polypore mushrooms (Lentinus brumalis) on a log near Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017Observations of Lentinus brumalis in Leningrad Oblast and north-western Russia show that the fungus grows on various substrates, including rotten logs, fallen willow and birch trees, wood litter, and peat in swampy areas. The mushrooms were found in different locations, such as Orekhovo, Toksovo, Lavriki, Lisiy Nos, Sosnovka Park, Pesochnaya, Dibuny, and Lembolovo, all north or west of Saint Petersburg. The fungus was observed during various times of the year, from October 2016 to June 2017, with multiple sightings in March and April 2017. The mushrooms were often found on decaying wood, suggesting that Lentinus brumalis is a saprotrophic species that plays a role in decomposing organic matter in these ecosystems. The observations also highlight the fungus's ability to grow in different environments, including forests and swampy areas.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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