Synonyms: Merulius imbricatus, Merulius spongiosus, Merulius tremellosus, Sesia tremellosa, Xylomyzon tremellosum.
Common name: jelly rot.
Russian names: Merulius drozhashchiy, Flebiya drozhashchaya.
Extract from Wikipedia article: Phlebia tremellosa (formerly Merulius tremellosus), commonly known as trembling Merulius or jelly rot, is a species of fungus in the family Meruliaceae. It is a common and widely distributed wood-decay fungus that grows on the rotting wood of both hardwood and conifer plants.
Phlebia tremellosa is a species of fungus that belongs to the family Meruliaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically grows on decaying wood, especially coniferous trees, forming wavy or lobed fruiting bodies with a whitish to cream-colored surface and a soft, velvety texture. The fungus is often found in late summer to early autumn, particularly in moist, shaded areas such as forests, parks, and woodland edges.
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a base of a tree near Pervomayskoe, Vyborg Region. Russia, September 30, 2016
«Скандинавия», Рощинское городское поселение, Выборгский район, Ленинградская область, Северо-Западный федеральный округ, Россия
Old jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Big jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) with snow on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Decaying basidiome of jelly rot (Phlebia tremellosa, Merulius tremellosus) with a saprobic fungus Botryobasidium subcoronatum on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017Unnamed Road, Sankt-Peterburg, Russia
Caps of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Texture of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Spreading jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Close up of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Hymenophore of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on an oak log in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Krasnogo Molodtsa, Pavlovsk, Sankt-Peterburg, Russia
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a stump in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Krasnogo Molodtsa, Pavlovsk, Sankt-Peterburg, Russia
Close up of jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Krasnogo Molodtsa, Pavlovsk, Sankt-Peterburg, Russia
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus)(?) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017Polyanskaya Doroga, Sankt-Peterburg, Russia, 197755Observations of Phlebia tremellosa in Leningrad Oblast and north-western Russia show that the fungus grows on various tree species, including birch and oak. It was found on living trees, stumps, and logs in different locations, such as Sosnovka Park, Pavlovsk Park, and Blizhnie Dubki area near Lisiy Nos. The fungus was observed in different stages of growth, from young to old, and with varying levels of decay. Some observations noted the presence of other fungi, like Botryobasidium subcoronatum, growing on decaying Phlebia tremellosa. The fungus was found in different seasons, including winter, with snow covering it, and in autumn, with vibrant colors. The observations also highlighted the varying textures and structures of the fungus, including its hymenophore and caps. Overall, the observations suggest that Phlebia tremellosa is a common species in the region, capable of growing on different substrates and in various environmental conditions.
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