White rot fungus Phlebiopsis gigantea(?) on pine tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Svetlanovskiy pr., 51, Sankt-Peterburg, Russia, 194064Synonyms: Corticium giganteum, Kneiffia gigantea, Kneiffia globifera, Kneiffia lurideolivacea, Peniophora crosslandii, Peniophora gigantea, Peniophora globifera, Peniophora lurideolivacea, Phanerochaete gigantea, Phlebia gigantea, Scopuloides gigantea, Terana gigantea, Thelephora fimbriata, Thelephora gigantea, Thelephora lactea, Thelephora pergamenea.
Common name: white-rot fungus.
Russian name: Flebiya gigantskaya.
Phlebiopsis gigantea is a wood-decaying fungus that grows on coniferous trees, particularly spruce and pine. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to be a common inhabitant of dead and dying trees, especially in areas with high moisture levels. The fungus produces annual to biennial brackets that are 5-20 cm wide, 1-6 cm thick, and have a wavy or lobed margin. It is considered an important decomposer in these regions, playing a key role in breaking down organic matter and recycling nutrients.
White rot fungus Phlebiopsis gigantea(?) on pine tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017Svetlanovskiy pr., 51, Sankt-Peterburg, Russia, 194064
White rot fungus Phlebiopsis gigantea(?) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017Dachnaya ul., Leningradskaya oblast', Russia, 188664
White rot fungus Phlebiopsis gigantea(?) on a tall stump of spruce tree near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, April 5, 2017Dachnaya ul., Leningradskaya oblast', Russia, 188664
White-rot corticioid fungus Phlebiopsis gigantea covering large area on a wet spruce log in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021Unnamed Road, Leningradskaya oblast', Russia, 188861
Texture of white-rot corticioid fungus Phlebiopsis gigantea covering large area on a wet spruce log in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021Unnamed Road, Leningradskaya oblast', Russia, 188861Observations of Phlebiopsis gigantea in Leningrad Oblast and north-western Russia reveal its presence on various hosts. On March 13, 2017, it was found on a pine tree in Sosnovka Park, Saint Petersburg. Later, on April 5, 2017, it was observed near Kavgolovskoe Lake, both on the ground and on a tall stump of a spruce tree. The fungus was also spotted on a wet spruce log in Zakhodskoe, 50 miles north from Saint Petersburg, on May 15, 2021, covering a large area. The texture of the fungus was also observed on this occasion. These findings suggest that Phlebiopsis gigantea is widely distributed in the region and can infect various species of trees, including pine and spruce. It appears to thrive in wet environments, such as near lakes and on moist logs.
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