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Fungi: Basidiomycota: Dacrymycetes: Dacrymycetales: Dacrymycetaceae: Calocera cornea (Batsch) Fr., 1827

Calocera cornea – Small stagshorn

Synonyms: Calocera aculeiforme, Calocera cornes, Calocera palmata, Calocera striata, Clavaria aculeiformis, Clavaria cornea, Clavaria major, Clavaria medullaris, Clavaria striata, Corynoides cornea, Tremella aculeiformis, Tremella palmata.

Common name: small stagshorn.

Russian name: Kalotsera rogovidnaya.

Extract from Wikipedia article: Calocera cornea is a jelly fungus that grows on decaying wood. It is a member of the Dacrymycetales, an order of fungi characterized by their unique "tuning fork" basidia.

AI-generated description

Calocera cornea is a species of fungus that belongs to the family Dacrymycetaceae. It is a jelly fungus that grows on decaying wood, particularly coniferous trees. In St. Petersburg and Leningrad Oblast, it has been found in forests and parks, often on fallen pine or spruce trees. In north-western Russia, it is commonly encountered in moist, shaded areas with abundant woody debris. The fungus produces yellow to orange, branched or unbranched fruiting bodies that are typically 1-5 cm tall and 0.5-2 cm wide. It is considered a widespread and common species in the region.

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

Jelly fungus <B>Calocera cornea</B> on a log in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-19.htm">July 19, 2017</A>
LinkJelly fungus Calocera cornea on a log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia
Jelly fungus <B>Calocera cornea</B> on a barkless log in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-19.htm">July 19, 2017</A>
LinkJelly fungus Calocera cornea on a barkless log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia
Sharp bodies of jelly fungus <B>Calocera cornea</B> on a log in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-19.htm">July 19, 2017</A>
LinkSharp bodies of jelly fungus Calocera cornea on a log in Sosnovka Park. Saint Petersburg, Russia, July 19, 2017
Location on mapsUnnamed Road, Sankt-Peterburg, Russia
Small stagshorn mushrooms (<B>Calocera cornea</B>) on a log in Posiolok near Vyritsa, 50 miles south from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-29.htm">September 29, 2017</A>
LinkSmall stagshorn mushrooms (Calocera cornea) on a log in Posiolok near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 29, 2017
Location on mapsUnnamed Road, Vyritsa, Leningradskaya oblast', Russia, 188381
Small fairy ring of small stagshorn mushrooms (<B>Calocera cornea</B>) on a log in Posiolok near Vyritsa, 50 miles south from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-29.htm">September 29, 2017</A>
LinkSmall fairy ring of small stagshorn mushrooms (Calocera cornea) on a log in Posiolok near Vyritsa, 50 miles south from Saint Petersburg. Russia, September 29, 2017
Location on mapsUnnamed Road, Vyritsa, Leningradskaya oblast', Russia, 188381
Small stagshorn mushrooms (<B>Calocera cornea</B>) on a log in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-06.htm">September 6, 2018</A>
LinkSmall stagshorn mushrooms (Calocera cornea) on a log in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
Location on mapsPrimorskoye Shosse, 47, Sankt-Peterburg, Russia, 197229
Small stagshorn mushroom (<B>Calocera cornea</B>) in Tarkhovka Park, west from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-02.htm">August 2, 2024</A>
LinkSmall stagshorn mushroom (Calocera cornea) in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
Location on mapsПесчаная улица, Тарховка, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия

AI-generated summary of observations

Observations of the fungus Calocera cornea were made in various locations in Leningrad Oblast and north-western Russia. In Sosnovka Park, Saint Petersburg, it was found on logs with and without bark in July 2017, displaying sharp bodies. Similar observations were made in Posiolok near Vyritsa, 50 miles south of Saint Petersburg, in September 2017, where small stagshorn mushrooms formed a fairy ring on a log. Further sightings occurred in a coastal forest between Lisiy Nos and Olgino in September 2018, and in Tarkhovka Park in August 2024. The fungus was typically found on logs, with multiple fruiting bodies forming in some cases. These observations suggest that Calocera cornea is widespread in the region, growing on decaying wood in various types of forests. The fungus was observed during summer and early fall, indicating its growth period in the area.

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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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