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Fungi: Basidiomycota: Agaricomycetes: Cantharellales: Clavulinaceae: Clavulina cinerea (Bull.) J. Schröt., 1888

Clavulina cinerea – Grey coral

Synonyms: Clavaria cinerea, Clavaria fuliginea, Clavaria grisea, Clavulina reae, Corallium cinereum, Merisma cinereum, Ramaria cinerea, Ramaria grisea.

Common name: grey coral.

Russian name: Klavulina pepelno-seraya.

Extract from Wikipedia article: Clavulina cinerea is a species of coral fungus in the family Clavulinaceae.

AI-generated description

Clavulina cinerea is a species of fungus that belongs to the family Clavulinaceae. It is characterized by its greyish-brown to pale grey, club-shaped to irregularly branched fruiting bodies. In St. Petersburg and Leningrad Oblast, it has been found growing in coniferous and mixed forests, often on mossy soil or decaying wood. In north-western Russia, it typically fruits from July to October, preferring acidic soils and humid environments. Local records indicate that it is a relatively rare species in the region, but can be found in areas with suitable habitat conditions.

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

Grey coral mushrooms (<B>Clavulina cinerea</B>) infected by ascomycete fungus Helminthosphaeria clavariarum in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, <A HREF="../date-en/2018-09-02.htm">September 2, 2018</A>
LinkGrey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, September 2, 2018
Location on mapsKronshtadtskoye Shosse, 47, Kronshtadt, Sankt-Peterburg, Russia, 197761
Grey coral mushrooms (<B>Clavulina cinerea</B>) infected by ascomycete fungus Helminthosphaeria clavariarum in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, <A HREF="../date-en/2018-09-08.htm">September 8, 2018</A>
LinkGrey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Location on mapsRozovopavil'onnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196621
Grey coral mushrooms (<B>Clavulina cinerea</B>) infected by ascomycete fungus Helminthosphaeria clavariarum on a lawn in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, <A HREF="../date-en/2018-09-08.htm">September 8, 2018</A>
LinkGrey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum on a lawn in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Location on mapsRozovopavil'onnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196621
Grey coral mushrooms (<B>Clavulina cinerea</B>) infected by ascomycete fungus Helminthosphaeria clavariarum under spruce trees in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, <A HREF="../date-en/2018-09-08.htm">September 8, 2018</A>
LinkGrey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum under spruce trees in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Location on mapsRozovopavil'onnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196621

AI-generated summary of observations

In Leningrad Oblast and north-western Russia, observations of Clavulina cinerea have revealed frequent infections by the ascomycete fungus Helminthosphaeria clavariarum. In the West Kotlin Nature Reserve in Kronstadt, infected grey coral mushrooms were found on September 2, 2018. Similarly, in Pavlovsk Park, a suburb of Saint Petersburg, infected specimens were discovered in multiple locations, including the area of New Sylvia, on lawns, and under spruce trees, all on September 8, 2018. These observations suggest that Helminthosphaeria clavariarum is a common parasite of Clavulina cinerea in this region, with infections occurring in various habitats, including nature reserves and urban parks. The fungus was found to infect grey coral mushrooms in different environments, indicating its adaptability and widespread presence in the 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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