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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Hygrophoraceae: Hygrocybe acutoconica (Clem.) Singer, 1951

Hygrocybe acutoconica – Persistent waxcap

Synonyms: Hygrocybe amoena, Hygrocybe aurantiolutescens, Hygrocybe constans, Hygrocybe konradii, Hygrocybe langei, Hygrocybe persistens, Hygrocybe subglobispora, Hygrophorus acutoconicus, Hygrophorus aurantiolutescens, Hygrophorus conicus, Hygrophorus konradii, Hygrophorus langei, Hygrophorus persistens, Hygrophorus rickenii, Hygrophorus subglobisporus, Mycena acutoconica, Prunulus acutoconicus.

Common name: persistent waxcap.

Russian names: Gigrotsibe ostrokonicheskaya, Gigrotsibe sokhranyaiushchayasya.

AI-generated description

Hygrocybe acutoconica is a species of fungus that belongs to the family Hygrophoraceae. It has a conical to bell-shaped cap, typically 1-4 cm in diameter, with a pointed apex and a margin that is often incurved when young. The cap surface is viscid, ranging in color from yellow to orange to reddish-brown. The gills are adnate to slightly decurrent, crowded, and have a similar color to the cap. The stipe is slender, 2-6 cm tall, and 0.2-0.5 cm thick, often curved or twisted.

In St. Petersburg and Leningrad Oblast, Hygrocybe acutoconica has been found in various habitats, including coniferous and mixed forests, as well as grasslands and meadows. It typically fruits from late summer to early autumn, often in association with mosses and lichens.

In north-western Russia, the fungus is widely distributed, with records from the Murmansk Oblast, Arkhangelsk Oblast, Vologda Oblast, and Republic of Karelia. It tends to prefer acidic soils and can be found growing under various tree species, including spruce, pine, and birch. The fruiting bodies are often scattered or grow in small groups, and can be abundant in some areas.

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

Waxy cap mushrooms <B>Hygrocybe acutoconica</B> near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2016-08-02.htm">August 2, 2016</A>
LinkWaxy cap mushrooms Hygrocybe acutoconica near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 2, 2016
Location on mapsDachnaya ul., 17, Toksovo, Leningradskaya oblast', Russia, 188664

AI-generated summary of observations

The fungus Hygrocybe acutoconica was observed in Leningrad Oblast and north-western Russia, specifically near Kavgolovskoe Lake in Toksovo, north of Saint Petersburg. On August 2, 2016, waxy cap mushrooms of this species were found in the area. The observation suggests that Hygrocybe acutoconica can thrive in the region's climate and habitat. The species was likely growing in a moist environment, as indicated by its proximity to the lake. The observation provides insight into the distribution and ecological preferences of Hygrocybe acutoconica in north-western Russia. Further studies could investigate the fungus's role in the local ecosystem and its potential interactions with other organisms. The discovery highlights the importance of continued exploration and documentation of fungal species in the region to better understand their diversity and ecology. This observation contributes to the knowledge of Hygrocybe acutoconica's presence in Leningrad Oblast.

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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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