Mushroom Cerioporus varius (Polyporus varius) in a ditch in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755Synonyms: Boletus badius, Boletus calceolus, Boletus elegans, Boletus lateralis, Boletus ramulosum, Boletus varius, Grifola varia, Leucoporus calceolus, Leucoporus petaloides, Melanopus noackianus, Melanopus nummularius, Melanopus varius, Petaloides petaloides, Polyporellus petaloides, Polyporellus varius, Polyporus blanchetianus, Polyporus boltonii, Polyporus calceolus, Polyporus elegans, Polyporus gintlianus, Polyporus leprodes, Polyporus magnovarius, Polyporus melanopus, Polyporus minimus, Polyporus noackianus, Polyporus petalodes, Polyporus picipes, Polyporus varius, Polystictus varius.
Common name: elegant polypore.
Russian name: Trutovik izmenchivyy.
Cerioporus varius is a species of polypore fungus that grows on deciduous trees, particularly willow and alder. In St. Petersburg and Leningrad Oblast, it has been found in urban parks and forests, often on dead or dying tree trunks. In north-western Russia, it is widely distributed and can be found in various habitats, including riverside forests and wetlands. The fungus produces annual to biennial fruiting bodies that are semicircular to kidney-shaped, 3-10 cm wide, and have a zonate upper surface with a brown to grayish-brown color.
Mushroom Cerioporus varius (Polyporus varius) in a ditch in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Dissected mushroom Cerioporus varius (Polyporus varius) taken from area near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017
Mushroom Cerioporus varius (Polyporus varius) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Pores of a mushroom Cerioporus varius (Polyporus varius) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Underside of a mushroom Cerioporus varius (Polyporus varius) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Stem of a mushroom Cerioporus varius (Polyporus varius) on an old railroad path near Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Mushroom Cerioporus varius (Polyporus varius) in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, July 31, 2017Lindulovskaya dor., ST Sosnovaya Polyana, Leningradskaya oblast', Russia, 197729
Cap of a large mushroom Cerioporus varius (Polyporus varius) in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, July 31, 2017Lindulovskaya dor., ST Sosnovaya Polyana, Leningradskaya oblast', Russia, 197729
Mushroom Cerioporus varius (Polyporus varius) taken from Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
Timber mushroom Cerioporus varius (Polyporus varius) in a dark spruce forest near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
Large Elegant polypore mushroom (Cerioporus varius, Polyporus varius) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017Naberezhnaya Peki Karpovki, St Petersburg, Russia, 197022
Mushroom Cerioporus varius (Polyporus varius) near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018Saint Petersburg, Russia, 197755
Mushrooms Cerioporus varius (Polyporus varius) on a linden tree in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, August 20, 2018Rozovopavil'onnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia
Polypore mushrooms Cerioporus varius on a log between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024Южная улица, ДНТ Осельки, Лесколовское сельское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188664, РоссияObservations of the fungus Cerioporus varius in Leningrad Oblast and north-western Russia reveal its presence in various habitats. The mushroom was found in ditches, on old railroad paths, and near lakes, such as Kavgolovskoe Lake. It also grew on trees, including linden and spruce, in areas like Pavlovsk Park and Lindulovskaya Larch Grove. The fungus was observed in different forms, including large caps and stems, with visible pores underneath. Locations ranged from Saint Petersburg to surrounding suburbs and rural areas, with sightings recorded between June and October, indicating a summer-to-fall growth period. Specific locations included Sosnovka Park, Botanic Gardens of Komarov Botanical Institute, and forests near Dibuny, showcasing the fungus's adaptability to various environments in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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