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Fungi: Basidiomycota: Agaricomycetes: Auriculariales: Auriculariaceae: Exidia recisa (Ditmar) Fr., 1822

Exidia recisa – Amber jelly

Synonym: Tremella recisa.

Common name: amber jelly.

Russian name: Eksidiya szhataya.

Extract from Wikipedia article: Exidia recisa (common name willow brain or amber jelly roll) is a jelly fungus in the family Auriculariaceae. It is a common, wood-rotting species throughout the northern hemisphere, typically growing on dead attached twigs and branches of willow, more rarely other broadleaf trees.

AI-generated description

Exidia recisa is a species of fungus that belongs to the family Auriculariaceae. It is characterized by its gelatinous, brain-like appearance with a wavy or lobed margin. In St. Petersburg and Leningrad Oblast, Exidia recisa has been found growing on dead wood, particularly on deciduous trees such as birch and alder. In north-western Russia, it typically fruits in late summer to early fall, often in moist, shaded areas with rich soil. The fungus is widely distributed in the region, including in urban parks and forests.

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

Amber jelly fungus (<B>Exidia recisa</B>) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-14.htm">March 14, 2017</A>
LinkAmber jelly fungus (Exidia recisa) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017
Location on mapsDachnaya ul., Leningradskaya oblast', Russia, 188664
Amber jelly fungus (<B>Exidia recisa</B>) on a willow branch near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-14.htm">March 14, 2017</A>
LinkAmber jelly fungus (Exidia recisa) on a willow branch near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017
Location on mapsDachnaya ul., Leningradskaya oblast', Russia, 188664
Amber jelly fungus (<B>Exidia recisa</B>) on a dry willow branch near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-14.htm">March 14, 2017</A>
LinkAmber jelly fungus (Exidia recisa) on a dry willow branch near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017
Location on mapsDachnaya ul., 17А, Toksovo, Leningradskaya oblast', Russia, 188664

AI-generated summary of observations

Observations of Exidia recisa in Leningrad Oblast and north-western Russia reveal its presence near Kavgolovskoe Lake in Toksovo, north of Saint Petersburg. The fungus was found on willow branches, with sightings recorded on March 14, 2017. It was observed growing on both living and dry willow branches, indicating its ability to thrive in different conditions. The amber jelly fungus was seen near the lake, suggesting a preference for moist environments. Multiple observations on the same day suggest that Exidia recisa may be relatively common in this region during the spring season. The sightings provide insight into the habitat and growth patterns of this species in north-western Russia. Further study is needed to fully understand its distribution and ecological role in the region. The fungus's presence was consistently noted near water sources, implying a possible correlation with humidity levels.

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Links

Acknowledgements

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

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