Texture of Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in Sosnovka Park. Saint Petersburg, Russia, February 17, 2017Synonyms: Fomes platincola, Fomitiporella punctata, Fomitiporia dryophila, Fomitiporia earleae, Fomitiporia jamaicensis, Fomitiporia laminata, Fomitiporia langloisii, Fomitiporia lloydii, Fomitiporia maxonii, Fomitiporia obliquiformis, Fomitiporia tsugina, Fuscoporella costaricensis, Fuscoporia carteri, Fuscoporia dryophila, Fuscoporia punctata, Phellinus friesianus, Phellinus maxonii, Phellinus punctatus, Polyporus maxonii, Polyporus punctatus, Poria costaricensis, Poria dryophila, Poria earleae, Poria friesiana, Poria jamaicensis, Poria laminata, Poria langloisii, Poria lloydii, Poria maxonii, Poria obliquiformis, Poria punctata, Poria tsugina, Poria viticola.
Common name: elbowpatch crust.
Russian name: Fellinus tochechnyy.
Fomitiporia punctata is a species of fungus that belongs to the family Hymenochaetaceae. It is a wood-decaying fungus that grows on deciduous trees, particularly on oak, beech, and birch. In St. Petersburg and Leningrad Oblast, Fomitiporia punctata has been found in urban parks and forests, where it forms effused-reflexed to pileate basidiocarps with a porous hymenium. The fungus is also widespread in north-western Russia, where it inhabits various forest ecosystems, including coniferous and mixed forests. Its distribution in the region is associated with old-growth forests and veteran trees, highlighting its importance as an indicator species for forest biodiversity.
Texture of Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in Sosnovka Park. Saint Petersburg, Russia, February 17, 2017
Spreading Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in Sosnovka Park. Saint Petersburg, Russia, February 17, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in Sosnovka Park. Saint Petersburg, Russia, February 22, 2017
Brown crust of Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in Sosnovka Park. Saint Petersburg, Russia, February 22, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Texture of crust fungus Fomitiporia punctata (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) with insect eggs on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
Texture of Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree in area of an old brick factory between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, March 26, 2017
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017
Crust fungus Fomitiporia punctata (Phellinus punctatus) on a willow west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, February 12, 2018
Fomitiporia punctata corticioid fungus (Phellinus punctatus mushroom) on a willow tree west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, May 19, 2019
Mature elbowpatch crust mushroom (Fomitiporia punctata) on a willow(?) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2021
Close-up of elbowpatch crust mushroom (Fomitiporia punctata) on a willow(?) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2021
Texture of elbowpatch crust mushroom (Fomitiporia punctata) on a willow(?) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2021
Resupinate polypore mushroom Fomitiporia punctata on a fallen birch near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
Growth pattern of resupinate polypore mushroom Fomitiporia punctata(?) on a fallen birch near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021The fungus Fomitiporia punctata was observed in various locations in Leningrad Oblast and north-western Russia. On willow trees in Sosnovka Park, it appeared as a corticioid fungus with a brown crust, spreading and mature specimens were found between February and May 2017. The texture of the fungus was also observed, showing a crust-like appearance. Insect eggs were found on some specimens. Similar observations were made in other locations, including near Toksovo, Peter the Great Botanical Garden, and Dibuny, with the fungus growing on willow and birch trees. The growth pattern of the fungus was also noted, with resupinate polypore mushrooms forming on fallen birch. Observations were made over several years, from 2017 to 2021, indicating the presence of Fomitiporia punctata in the region during different times of the year.
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