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Fungi: Ascomycota: Leotiomycetes: Helotiales: Sclerotiniaceae: Encoelia furfuracea (Roth) P. Karst., 1871

Encoelia furfuracea – Spring hazelcup

Synonyms: Cenangium furfuraceum, Peziza furfuracea, Phibalis furfuracea.

Common name: spring hazelcup.

Russian name: Entseliya shelushistaya.

AI-generated description

Encoelia furfuracea is a species of fungus in the family Sclerotiniaceae. It is found in north-western Russia, including St. Petersburg and Leningrad Oblast, typically growing on deciduous trees, particularly willow and alder. The fungus produces apothecia with a furfuraceous or powdery exterior and a smooth interior, containing asci with ellipsoid ascospores. In the region, it often fruits in late summer to early autumn, forming small to medium-sized apothecia on decomposing wood or branches.

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

Spring hazelcup fungus (<B>Encoelia furfuracea</B>) on a broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkSpring hazelcup fungus (Encoelia furfuracea) on a broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Spring hazelcup fungus (<B>Encoelia furfuracea</B>) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkSpring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Cluster of spring hazelcup fungus (<B>Encoelia furfuracea</B>) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkCluster of spring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Spring hazelcup fungus (<B>Encoelia furfuracea</B>) together with birch blackhead (Diatrypella favacea) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkSpring hazelcup fungus (Encoelia furfuracea) together with birch blackhead (Diatrypella favacea) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Ascomycete fungus <B>Encoelia furfuracea</B> on a dry broken hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkAscomycete fungus Encoelia furfuracea on a dry broken hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Close-up of spring hazelcup fungus (<B>Encoelia furfuracea</B>) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkClose-up of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Dried cups of spring hazelcup fungus (<B>Encoelia furfuracea</B>) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-09.htm">May 9, 2021</A>
LinkDried cups of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Location on mapsSovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325

AI-generated summary of observations

Observations of Encoelia furfuracea in Leningrad Oblast and north-western Russia reveal that the fungus grows on broken or dry hazelnut bushes, often on slopes. On Orekhovaya Gora Hill, the fungus was found alone or in clusters on May 9, 2021. It co-occurred with birch blackhead (Diatrypella favacea) on the same hill. The fungus was observed in various forms, including fresh cups and dried remnants, in a hazelnut forest. Close-up observations showed detailed features of the spring hazelcup fungus. The sightings were recorded in Duderhof Heights, south of Saint Petersburg, indicating that Encoelia furfuracea is present in this region, typically associated with hazelnut vegetation. Multiple observations on the same day and location suggest a thriving population of the fungus in this area.

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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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