Synonyms: Exidia foliacea, Gyraria foliacea, Naematelia foliacea, Tremella foliacea, Ulocolla foliacea.
Common name: leafy brain.
Russian names: Drozhalka listovataya, Drozhalka bakhromchataya.
Phaeotremella foliacea is a species of fungus that grows on decaying wood, typically found in moist environments. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been recorded in various forests, particularly in areas with abundant deciduous trees. The fungus forms gelatinous, foliose fronds that are brown to dark brown in color, often with a wavy or lobed margin. It is typically found during the summer and autumn months, and is considered a relatively rare species in the region.
Brown Witch's Butter mushrooms (leafy brain fungus, Phaeotremella foliacea, Tremella foliacea, Russian name Drozhalka) near Dibuny train stop, north-west from Saint Petersburg. Russia, August 18, 2016
pr. Raevskogo, 24, Sankt-Peterburg, Russia, 194064
Phaeotremella foliacea (Tremella foliacea) jelly fungus on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016ul. Professora Popova, 2к1, Sankt-Peterburg, Russia, 197022
Leafy brain jelly fungus (Phaeotremella foliacea, Tremella foliacea) in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017Unnamed Road, Sankt-Peterburg, Russia
Old leafy brain fungus (Phaeotremella foliacea, Tremella foliacea) on a log on an old railroad path in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017Unnamed Road, Leningradskaya oblast', Russia, 188663
Leafy brain fungus (Phaeotremella foliacea, Tremella foliacea) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Unnamed Road, Leningradskaya oblast', Russia, 188732
Leafy brain mushrooms (Phaeotremella foliacea, Tremella foliacea) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Unnamed Road, Leningradskaya oblast', Russia, 188732
Close up of leafy brain mushrooms (Phaeotremella foliacea, Tremella foliacea) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017Unnamed Road, Leningradskaya oblast', Russia, 188732Observations of Phaeotremella foliacea were made in various locations in Leningrad Oblast and north-western Russia. The fungus was found near Dibuny train stop on August 18, 2016, and later at the Botanic Gardens of Komarov Botanical Institute in Saint Petersburg on October 1, 2016. Further sightings occurred in Sosnovka Park on July 19, 2017, and in Kuzmolovo on July 26, 2017, where an old specimen was found on a log. Multiple observations were made in Petiayarvi on September 17, 2017, including close-up views of the fungus. The sightings suggest that Phaeotremella foliacea is present in the region, particularly in areas around Saint Petersburg, and can be found growing on various substrates, including logs and potentially other organic matter. The observations span several months, indicating a possible extended fruiting period for the species.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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