Rusty gilled polypore, wood decay fungus Gloeophyllum sepiarium on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016
ul. Professora Popova, 2к1, Sankt-Peterburg, Russia, 197022Synonyms: Agaricus asserculorum, Agaricus boletiformis, Agaricus sepiarius, Agaricus undulatus, Daedalea sepiaria, Daedalea ungulata, Gloeophyllum ungulatum, Lenzites argentina, Lenzites sepiaria, Lenzitina sepiaria, Merulius sepiarius.
Common name: conifer mazegill.
Russian names: Gleofillum zabornyy, Zabornyy grib, Zabornyy trutovik.
Extract from Wikipedia article: Gloeophyllum sepiarium (Rusty gilled polypore) is a wood decay fungus that causes a brown rot. Gloeophyllum sepiarium grows in thin, dark brown/green brackets on dead conifers. Often found on wood in lumberyards, the fruiting body grows for only one year, and produces spores in late summer and autumn. Its hymenial surface is distinctive from other polypores due to the presence of gills. Gloeophyllum sepiarium is inedible.
Gloeophyllum sepiarium is a brown-rot fungus that grows on decaying wood, particularly coniferous trees. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found on wooden constructions, such as bridges, docks, and buildings, as well as on fallen trees and stumps in forests. The fungus is relatively common in the region, thriving in humid environments with abundant wood substrates. It causes significant decay of wood, leading to structural damage and economic losses.
Rusty gilled polypore, wood decay fungus Gloeophyllum sepiarium on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016ul. Professora Popova, 2к1, Sankt-Peterburg, Russia, 197022
Rusty gilled polypore mushrooms (Gloeophyllum sepiarium) on a stump of a spruce tree on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Rusty gilled polypore mushrooms (Gloeophyllum sepiarium) on a stump of a spruce tree on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Gills of Rusty gilled polypore mushrooms (Gloeophyllum sepiarium) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Conifer mazegill (Gloeophyllum sepiarium) in Lembolovo, 40 miles north from Saint Petersburg. Russia, May 7, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Conifer mazegill tinder mushrooms (Gloeophyllum sepiarium)(?) in Dubki Park. Sestroretsk, west from Saint Petersburg, Russia, May 12, 2017Dubkovskoye sh., 77, Sestroretsk, Sankt-Peterburg, Russia, 197706
Conifer mazegill mushrooms (Gloeophyllum sepiarium) in Tarkhovka Park, west from Saint Petersburg. Russia, August 26, 2017Primorskoye Shosse, 251, Sestroretsk, Sankt-Peterburg, Russia, 197701
Conifer mazegill fungus (Gloeophyllum sepiarium) near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Conifer mazegill fungus (Gloeophyllum sepiarium) near Zelenogorsk, 25 miles north-west from Saint Petersburg. Russia, October 1, 2017Первомайское сельское поселение, Выборгский район, Ленинградская область, Северо-Западный федеральный округ, 188855, Россия
Conifer mazegill mushrooms (Gloeophyllum sepiarium) near Komarovo, 25 miles north-west from Saint Petersburg. Russia, October 1, 2017Первомайское сельское поселение, Выборгский район, Ленинградская область, Северо-Западный федеральный округ, 188855, Россия
Conifer mazegill mushrooms (Gloeophyllum sepiarium) on a fallen spruce in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
Conifer mazegill mushroom (Gloeophyllum sepiarium) on a barkless spruce log in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021Unnamed Road, Leningradskaya oblast', Russia, 188861
Underside of conifer mazegill mushroom (Gloeophyllum sepiarium) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021Unnamed Road, Leningradskaya oblast', Russia, 188861
Pore surface of conifer mazegill mushroom (Gloeophyllum sepiarium) in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021Unnamed Road, Leningradskaya oblast', Russia, 188861
Conifer mazegill mushrooms (Gloeophyllum sepiarium) in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024Лыжная трасса Хепоярви, Кузьмоловское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, РоссияObservations of Gloeophyllum sepiarium in Leningrad Oblast and north-western Russia reveal the fungus grows on various substrates, including stumps of spruce trees, fallen spruces, and barkless logs. It has been found in multiple locations, such as logging sites near Hallojarvi Lake, Lembolovo, and Zelenogorsk, as well as in parks like Dubki Park and Tarkhovka Park. The fungus was observed during different times of the year, from April to October, with some sightings in May, June, August, and even as late as 2024. The observations include detailed views of the mushroom's gills, pore surface, and underside, showcasing its characteristic features. Overall, Gloeophyllum sepiarium appears to be widespread in the region, colonizing various types of decaying wood. Its presence has been consistently documented over several years, indicating a stable population in Leningrad Oblast and north-western Russia.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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