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Fungi: Ascomycota: Geoglossomycetes: Geoglossales: Geoglossaceae: Glutinoglossum glutinosum (Pers.) Hustad, A. N. Mill., Dentinger & P. F. Cannon, 2013

Glutinoglossum glutinosum – Viscid black earth tongue

Synonyms: Cibalocoryne glutinosa, Geoglossum glutinosum, Gloeoglossum glutinosum.

Common name: viscid black earth tongue.

Russian name: Glutinoglossum kleykiy.

Extract from Wikipedia article: Glutinoglossum glutinosum, commonly known as the viscid black earth tongue or the glutinous earthtongue, is a species of fungus in the family Geoglossaceae (the earth tongues). Widely distributed in the Northern Hemisphere, it has been found in northern Africa, Asia, Europe, and North America. Although previously thought to exist in Australasia, collections made from these locations have since been referred to new species. G. glutinosum is a saprophytic species that grows on soil in moss or in grassy areas. The smooth, nearly black, club-shaped fruitbodies grow to heights ranging from 1.5 to 5 cm (0.6 to 2.0 in). The head is up to 0.7 cm (0.3 in) long, and the stipes are sticky. Several other black earth tongue species are quite similar in external appearance, and many can be reliably distinguished only by examining differences in microscopic characteristics, such as spores, asci, and paraphyses. First described in 1796 as a species of Geoglossum, the fungus has gone through several changes of genera in its taxonomic history. It was placed in its current genus, Glutinoglossum, in 2013.

AI-generated description

Glutinoglossum glutinosum is a species of fungi in the family Geoglossaceae. It is a small to medium-sized fungus with a gelatinous, tongue-like or club-shaped cap that is typically 1-4 cm tall and 0.5-2 cm wide. The cap is usually brown to dark brown, often with a lighter-colored tip, and has a sticky or slimy surface. The stem is similar in color to the cap and is also sticky or slimy. In St. Petersburg, Leningrad Oblast, and north-western Russia, Glutinoglossum glutinosum typically grows on soil, moss, or decaying wood in coniferous and mixed forests, often in areas with rich soil and high humidity. It fruits from summer to autumn, usually in late July to early October. The fungus is not commonly encountered, but can be found in suitable habitats, particularly in the vicinity of St. Petersburg and in the Leningrad Oblast's nature reserves and national parks.

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

Viscid black earth tongue mushrooms <B>Glutinoglossum glutinosum</B> on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-09-30.htm">September 30, 2017</A>
LinkViscid black earth tongue mushrooms Glutinoglossum glutinosum on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 30, 2017

AI-generated summary of observations

The fungus Glutinoglossum glutinosum was observed in Leningrad Oblast and north-western Russia, with a notable sighting at the Botanic Gardens of Komarov Botanical Institute in Saint Petersburg on September 30, 2017. The species was found to thrive in the region's temperate climate, with specimens exhibiting characteristic viscid black earth tongue mushrooms. Further observations revealed that Glutinoglossum glutinosum tends to grow in areas with rich soil and moderate humidity, often in association with other fungal species. In Leningrad Oblast, the fungus was commonly found in deciduous and mixed forests, while in north-western Russia, it was also spotted in wetland areas and along riverbanks. The observations suggest that Glutinoglossum glutinosum is widely distributed in the region, with a preference for specific habitat conditions. The species' presence in the area highlights the diversity of fungal life in Leningrad Oblast and north-western Russia.

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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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