Young mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Lesnoy Park. Saint Petersburg, Russia, February 20, 2017
Bolshoy Sampsoniyevskiy prospekt, 107, Sankt-Peterburg, Russia, 194156Synonyms: Boletus populinus, Fomes populinus, Oxyporus borealis, Oxyporus schizoporoides, Polyporus connatus, Polyporus cremeus, Polyporus obducens, Polyporus populinus, Polyporus suaveolens, Rigidoporus populinus, Scindalma populinum, Trametes populina, Trametes secretanii, Xanthochrous connatus.
Common names: Mossy Maple Polypore, poplar bracket.
Russian name: Oksiporus topolevyy.
Extract from Wikipedia article: Oxyporus populinus is a plant pathogen affecting trees.
Oxyporus populinus is a species of bracket fungus that grows on deciduous trees, particularly poplar and willow. In St. Petersburg and Leningrad Oblast, it has been found growing on Populus nigra and Salix fragilis. The fungus produces annual to biennial fruiting bodies that are 5-15 cm wide, with a semicircular to fan-shaped cap and a white to cream-colored pore surface. It is widely distributed in north-western Russia, including the Murmansk, Arkhangelsk, and Vologda Oblasts, where it grows on various deciduous tree species, often in association with other fungi.
Young mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Lesnoy Park. Saint Petersburg, Russia, February 20, 2017Bolshoy Sampsoniyevskiy prospekt, 107, Sankt-Peterburg, Russia, 194156
Mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Udelny Park. Saint Petersburg, Russia, February 28, 2017pr. Ispytateley, 1к3, Sankt-Peterburg, Russia, 197348
Green moss on polypore mushrooms Oxyporus populinus on a tree in Udelny Park. Saint Petersburg, Russia, February 28, 2017pr. Ispytateley, 2А, Sankt-Peterburg, Russia, 197343
Mossy maple polypore mushrooms (Oxyporus populinus) on a tree in Lesnoy Park. Saint Petersburg, Russia, March 9, 2017Novorossiyskaya ul., 8, Sankt-Peterburg, Russia, 194156
Mossy maple polypore mushrooms (Oxyporus populinus) in a depression on a tree in Lesnoy Park. Saint Petersburg, Russia, March 9, 2017Bolshoy Sampsoniyevskiy prospekt, 107, Sankt-Peterburg, Russia, 194156
Cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017Institutskiy per., 5к1, Sankt-Peterburg, Russia, 194021
Greenish mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017Institutskiy per., 5к1, Sankt-Peterburg, Russia, 194021
Large cluster of mossy maple polypore mushrooms (Oxyporus populinus) in Lesnoy Park Saint Petersburg, Russia, March 9, 2017Institutskiy per., 5к13, Sankt-Peterburg, Russia, 194021
Mossy maple polypore mushrooms (Oxyporus populinus) on a scar from a cut branch on Pokrovskaya Lane in Smolenskoe Cemetery. Saint Petersburg, Russia, March 12, 2017Kamskaya ul., 24, Sankt-Peterburg, Russia, 199178
Mossy maple polypore mushrooms (Oxyporus populinus) on a large tree on Znamenskaya Lane in Smolenskoe Cemetery. Saint Petersburg, Russia, March 12, 2017Kamskaya ul., 24, Sankt-Peterburg, Russia, 199178
Young mossy maple polypore mushrooms (Oxyporus populinus) on a willow(?) in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017Zaprudnaya ul., Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Small mossy maple polypore mushrooms (Oxyporus populinus) on a willow(?) in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017Zaprudnaya ul., Pesochnyy, g. Sankt-Peterburg, Russia, 197758
Young mossy maple polypore mushrooms (Oxyporus populinus)(?) in a hollow of small willow stump in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017Svetlanovskiy pr., 55-57, Sankt-Peterburg, Russia, 194064
Mossy maple polypore mushrooms (Oxyporus populinus) on a large maple in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 202422, Железноводская улица, округ Остров Декабристов, Санкт-Петербург, Северо-Западный федеральный округ, 199155, Россия
Mossy maple polypore mushrooms (Oxyporus populinus) at the base of a maple in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 202416, Железноводская улица, округ Остров Декабристов, Санкт-Петербург, Северо-Западный федеральный округ, 199155, Россия
Caps of mossy maple polypore mushrooms (Oxyporus populinus) at the base of a maple in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 202416, Железноводская улица, округ Остров Декабристов, Санкт-Петербург, Северо-Западный федеральный округ, 199155, Россия
Mossy maple polypore mushrooms (Oxyporus populinus) covering a maple in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024Могила А. фон Бекмана, Сазоновская улица, округ Остров Декабристов, Санкт-Петербург, Северо-Западный федеральный округ, 199057, Россия
Mature mossy maple polypore mushrooms (Oxyporus populinus) at the base of a maple in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024Сазоновская улица, округ Остров Декабристов, Санкт-Петербург, Северо-Западный федеральный округ, 199057, РоссияObservations of Oxyporus populinus in Leningrad Oblast and north-western Russia reveal that the fungus grows on various tree species, including maples and willows. The mushrooms were found in different locations, such as Lesnoy Park, Udelny Park, Smolenskoe Cemetery, and Sosnovka Park in Saint Petersburg, as well as in areas near old brick factories and cemeteries. They typically grow on tree trunks, branches, or stumps, sometimes in clusters or alone, and can be found in various stages of development, from young to mature. The mushrooms often have greenish moss covering their caps, and some were observed growing in depressions or scars on trees. The observations span several months, from February to August, indicating that the fungus can be active throughout the growing season in this region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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