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Fungi: Basidiomycota: Tremellomycetes: Tremellales: Tremellaceae: Tremella mesenterica Retz., 1769

Tremella mesenterica – Yellow brain

Synonyms: Exidia candida, Helvella mesenterica, Hormomyces aurantiacus, Tremella albida, Tremella brasiliensis, Tremella candida, Tremella lutescens.

Common name: yellow brain.

Russian names: Drozhalka oranzhevaya, Tremella plenchataya, Draglya, Drozhalka oranzhenaya.

Extract from Wikipedia article: Tremella mesenterica (common names include yellow brain, golden jelly fungus, yellow trembler, and witches' butter) is a common jelly fungus in the Tremellaceae family of the Agaricomycotina. It is most frequently found on dead but attached and on recently fallen branches, especially of angiosperms, as a parasite of wood decay fungi in the genus Peniophora. The gelatinous, orange-yellow fruit body of the fungus, which can grow up to 7.5 cm (3.0 in) diameter, has a convoluted or lobed surface that is greasy or slimy when damp. It grows in crevices in bark, appearing during rainy weather. Within a few days after rain it dries into a thin film or shriveled mass capable of reviving after subsequent rain. This fungus occurs widely in deciduous and mixed forests and is widely distributed in temperate and tropical regions that include Africa, Asia, Australia, Europe, North and South America. Although considered bland and flavorless, the fungus is edible. Tremella mesenterica produces carbohydrates that are attracting research interest because of their various biological activities.

Photos of this mushroom from the area of St. Petersburg, Russia

Golden jelly fungus (<B>Tremella mesenterica</B>) parasitizing on rosy crust mushrooms (Peniophora incarnata) in Udelny Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-02-28.htm">February 28, 2017</A>
LinkGolden jelly fungus (Tremella mesenterica) parasitizing on rosy crust mushrooms (Peniophora incarnata) in Udelny Park. Saint Petersburg, Russia, February 28, 2017
Location on mapsСанкт-Петербург, Удельный парк
Golden jelly fungus (<B>Tremella mesenterica</B>)(?) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-03-13.htm">March 13, 2017</A>
LinkGolden jelly fungus (Tremella mesenterica)(?) in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Location on mapsСанкт-Петербург, парк Сосновка
Yellow brain fungus (<B>Tremella mesenterica</B>) north from 3-rd South Pond on Elagin Island. Saint Petersburg, Russia, <A HREF="../date-en/2017-10-22.htm">October 22, 2017</A>
LinkYellow brain fungus (Tremella mesenterica) north from 3-rd South Pond on Elagin Island. Saint Petersburg, Russia, October 22, 2017
Location on mapsСанкт-Петербург, Елагин остров

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Acknowledgements

Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.

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