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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Not assigned: Panaeolus alcis M. M. Moser, 1984

Panaeolus alcis

Russian name: Paneolus losinyy.

Extract from Wikipedia article: Panaeolus alcis is a species of agaric fungus in the family Bolbitiaceae. Found in Europe and Canada, it was described as new to science in 1984 by Austrian mycologist Meinhard Michael Moser. The type collection, made in Sweden, was found growing on moose dung. The fungus produces small, brown fruit bodies with bell-shaped to conical caps measuring 0.4–1 cm (0.2–0.4 in) in diameter and 0.3–0.9 cm (0.12–0.35 in) high. Gills are dark gray initially, then develop a black mottling when the spores mature. The gray to brownish stipe is 2–9 cm (0.8–3.5 in) long by 0.5–1.5 mm thick, and pruinose (covered with white powdery granules). Spores are smooth, dark brown, and have a pore. They measure 16.3–21 by 8–12 µm when viewed face-on, and 8–10 µm viewed from the side. The fungus has been mostly been found fruiting on the droppings of moose, although it has also been recorded on roe deer and reindeer dung.

AI-generated description

Panaeolus alcis is a species of mushroom in the family Hymenogastraceae. It has been found in St. Petersburg and Leningrad Oblast, typically growing in fields, meadows, and other grassy areas. In north-western Russia, it tends to fruit from July to September, often in association with mosses and lichens. The cap is 1-3 cm in diameter, conic to bell-shaped, and reddish-brown to dark brown in color. The gills are adnate to adnexed, and the spores are dark brown to purplish-brown.

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

<B>Panaeolus alcis</B> mushrooms on moose dung west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-31.htm">August 31, 2018</A>
LinkPanaeolus alcis mushrooms on moose dung west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 31, 2018
Location on mapsLeningrad Oblast, Russia, 188823
<B>Panaeolus alcis</B> mushrooms on pellets of moose dung west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-31.htm">August 31, 2018</A>
LinkPanaeolus alcis mushrooms on pellets of moose dung west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 31, 2018
Location on mapsLeningrad Oblast, Russia, 188823
<B>Panaeolus alcis</B> mushrooms on white background west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-31.htm">August 31, 2018</A>
LinkPanaeolus alcis mushrooms on white background west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 31, 2018
Location on mapsLeningrad Oblast, Russia, 188823
Close up of <B>Panaeolus alcis</B> mushrooms west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-31.htm">August 31, 2018</A>
LinkClose up of Panaeolus alcis mushrooms west from Kannelyarvi, 45 miles north from Saint Petersburg. Russia, August 31, 2018
Location on mapsLeningrad Oblast, Russia, 188823
Mushrooms <B>Panaeolus alcis</B> on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkMushrooms Panaeolus alcis on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsRussia, Leningrad, Романовка, 188670, Школьная Улица 13б
Caps of mushrooms <B>Panaeolus alcis</B> on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkCaps of mushrooms Panaeolus alcis on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsRussia, Leningrad, Романовка, 188670, Школьная Улица 13б
Close-up of mushrooms <B>Panaeolus alcis</B> on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkClose-up of mushrooms Panaeolus alcis on mossy soil north from Pole Chudes Gardens, in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsRussia, Leningrad, Романовка, 188670, Школьная Улица 13б
Mushrooms <B>Panaeolus alcis</B> on animal dung in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkMushrooms Panaeolus alcis on animal dung in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsБывшая узкоколейка, Город Всеволожск, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, Россия
Section of mushrooms <B>Panaeolus alcis</B> in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2024-08-09.htm">August 9, 2024</A>
LinkSection of mushrooms Panaeolus alcis in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
Location on mapsБывшая узкоколейка, Город Всеволожск, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, 188663, Россия
Spores (in KOH) of mushrooms <B>Panaeolus alcis</B> (spore print black) collected earlier 8/9/2024 in Kuzmolovo, north from Saint Petersburg, Russia, <A HREF="../date-en/2024-08-23.htm">August 23, 2024</A>
LinkSpores (in KOH) of mushrooms Panaeolus alcis (spore print black) collected earlier 8/9/2024 in Kuzmolovo, north from Saint Petersburg, Russia, August 23, 2024

AI-generated summary of observations

Panaeolus alcis mushrooms were observed growing on moose dung and mossy soil in Leningrad Oblast and north-western Russia. On August 31, 2018, they were found on moose dung west of Kannelyarvi, 45 miles north of Saint Petersburg. Similar observations were made on August 9, 2024, in Kuzmolovo, where the mushrooms grew on mossy soil and animal dung. Close-up photographs revealed details of the mushroom's caps and spores. A spore print taken from specimens collected on August 9, 2024, showed black spores when treated with KOH. The observations suggest that Panaeolus alcis is a common species in the region, thriving on various substrates including dung and mossy soil. The mushrooms were found to produce black spores, consistent with their species identification.

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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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