Lumpy bracket polypore mushrooms (Trametes gibbosa)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
Aptekarskaya nab., 6, Sankt-Peterburg, Russia, 197022Synonyms: Agarico-suber scalptum, Boletus sinuosus, Bulliardia virescens, Daedalea gibbosa, Daedalea polyzona, Daedalea sinuosa, Daedalea virescens, Lenzites gibbosa, Merulius gibbosus, Polyporus gibbosus, Polystictus kalchbrenneri, Pseudotrametes gibbosa, Trametes crenulata, Trametes kalchbrenneri, Trametes nigrescens.
Common name: lumpy bracket.
Russian names: Trametes gorbatyy, Trutovik gorbatyy, Trutovik gorbatyy.
Extract from Wikipedia article: Trametes gibbosa, commonly known as the lumpy bracket, is a polypore mushroom that causes a white rot. It is found on beech stumps and the dead wood of other hardwood species. Fruit bodies are 8–15 cm in diameter and semicircular in shape. The upper surface is usually gray or white, but may be greenish in older specimens due to algal growth. Elongated pores are located on the under-surface. The fruiting bodies are frequently attacked by boring beetle larvae.
Trametes gibbosa is a polypore fungus that grows on deciduous trees, particularly oak, beech, and birch. In St. Petersburg and Leningrad Oblast, it is commonly found in urban parks and forests, often on stumps and dead wood. In north-western Russia, it is widespread in temperate forests, typically fruiting from July to October. The fungus has a semicircular or fan-shaped cap, 3-10 cm wide, with a wavy margin and a grayish-brown to brown upper surface, while the lower surface is pale gray to white with 2-4 pores per mm.
Lumpy bracket polypore mushrooms (Trametes gibbosa)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016Aptekarskaya nab., 6, Sankt-Peterburg, Russia, 197022
Lumpy bracket mushrooms (Trametes gibbosa) on a fallen aspen on old railroad grade west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663
Underside of lumpy bracket mushroom (Trametes gibbosa) west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663
Pores of lumpy bracket mushroom (Trametes gibbosa) west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663
Lumpy bracket mushrooms (Trametes gibbosa) on a fallen aspen on old railroad grade south from turning circle west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663Observations of Trametes gibbosa in Leningrad Oblast and north-western Russia reveal its presence in various locations. In the Botanic Gardens of Komarov Botanical Institute, Saint Petersburg, the fungus was found on September 24, 2016. On May 7, 2021, it was observed growing on fallen aspens along an old railroad grade west and south from Kuzmolovo, near Saint Petersburg. The underside of the mushroom and its pores were also examined, providing closer details of its structure. The fungus appears to thrive in these areas, with multiple sightings recorded in the region, indicating its adaptability to local environmental conditions. These observations highlight the distribution and growth patterns of Trametes gibbosa in north-western Russia, specifically in Leningrad Oblast.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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