Wood decay fungus (mushroom) Corticium roseum(?) taken from a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017Synonyms: Aleurodiscus roseus, Athelia rosea, Corticium roseolum, Himantia rosea, Hypochnus roseus, Laeticorticium roseum, Lyomyces roseus, Peniophora rosea, Terana rosea, Thelephora rosea.
Russian name: Kortitsium rozovyy.
Extract from Wikipedia article: Laeticorticium roseum is fungus that is a plant pathogen that decays the wood of peach and nectarine trees.
Corticium roseum is a species of fungus that belongs to the family Corticiaceae. It is characterized by its pinkish to reddish-brown crust-like fruiting body that grows on dead wood. In St. Petersburg, Leningrad Oblast, and north-western Russia, Corticium roseum has been found growing on various tree species, including birch, alder, and willow, typically in moist, shaded areas with rich soil. The fungus is relatively common in the region, particularly in areas with high humidity and abundant organic matter.
Wood decay fungus (mushroom) Corticium roseum(?) taken from a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
Crust of fungus (mushroom) Corticium roseum(?) taken from a stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 21, 2017
Crust fungus (mushroom) Corticium roseum on a fallen log near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Wood decay fungus (mushroom) Corticium roseum on willow in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 9, 2017
Zapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Crust fungus Corticium roseum on a broken willow near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017Dachnaya ul., Leningradskaya oblast', Russia, 188664
Crust fungus Corticium roseum on a willow near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017Dachnaya ul., Leningradskaya oblast', Russia, 188664
Corticioid mushroom Corticium roseum on a roadside willow or alder near Chornaya River between Pesochnaya and Dibuny north-west from Saint Petersburg. Russia, April 3, 2017Proletarskiy pr., 31, g. Sankt-Peterburg, Russia, 197758
Crust fungus Corticium roseum on a roadside willow west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, February 12, 2018Dachnaya Ulitsa, Leningradskaya oblast', Russia, 188664
Corticioid mushroom Corticium roseum on a tree stump in a road ditch west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663Observations of Corticium roseum were made in Leningrad Oblast and north-western Russia between 2017 and 2021. The fungus was found on various substrates, including stumps, fallen logs, and willow trees. It was observed in different locations, such as the Botanic Gardens of Komarov Botanical Institute, Yuntolovsky Park, Toksovo, and near Kavgolovskoe Lake. The fungus formed a crust-like structure on the surface of its hosts. Multiple observations were made in the Saint Petersburg area, with some sightings occurring in the same location over multiple years. The fungus was also found on roadside willows and alders, suggesting it can thrive in a variety of environments. Observations spanned from February to May, indicating the fungus is active during this period. Overall, Corticium roseum appears to be widely distributed in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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