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Fungi: Ascomycota: Leotiomycetes: Helotiales: Sclerotiniaceae: Mitrula paludosa Fr., 1816

Mitrula paludosa – Bog beacon

Synonyms: Clavaria epiphylla, Clavaria phalloides, Clavaria spathula, Helvella aurantiaca, Leotia dicksonii, Leotia epiphylla, Leotia uliginosa, Mitrula dicksonii, Mitrula phalloides, Mitrula spathula, Mitrula uliginosa.

Common name: bog beacon.

Russian name: Mitrulya bolotnaya.

Extract from Wikipedia article: Mitrula paludosa (syn. Mitrula phalloides), the swamp beacon (US) or bog beacon, (UK) is a species of fungus.

AI-generated description

Mitrula paludosa is a species of fungus that belongs to the family Helotiaceae. It is a small, aquatic ascomycete that grows on submerged plant material in wetlands and streams. In St. Petersburg and Leningrad Oblast, Mitrula paludosa has been found in marshy areas and along riverbanks, typically fruiting in late spring and early summer. In north-western Russia, the fungus is widely distributed in similar habitats, including bogs, fens, and lake shores, where it can be abundant on decaying vegetation.

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

Swamp beacon mushrooms (<B>Mitrula paludosa</B>) on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2017-05-27.htm">May 27, 2017</A>
LinkSwamp beacon mushrooms (Mitrula paludosa) on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
Location on mapsulitsa Professora Popova, 2к1, Sankt-Peterburg, Russia, 197022
Bog beacon mushrooms (<B>Mitrula paludosa</B>) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-24.htm">June 24, 2017</A>
LinkBog beacon mushrooms (Mitrula paludosa) near Orekhovo, north from Saint Petersburg. Russia, June 24, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Backlit bog beacon mushrooms (<B>Mitrula paludosa</B>) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-24.htm">June 24, 2017</A>
LinkBacklit bog beacon mushrooms (Mitrula paludosa) near Orekhovo, north from Saint Petersburg. Russia, June 24, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Pair of bog beacon mushrooms (<B>Mitrula paludosa</B>) near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-24.htm">June 24, 2017</A>
LinkPair of bog beacon mushrooms (Mitrula paludosa) near Orekhovo, north from Saint Petersburg. Russia, June 24, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Bog beacon mushrooms (<B>Mitrula paludosa</B>) taken from Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-24.htm">June 24, 2017</A>
LinkBog beacon mushrooms (Mitrula paludosa) taken from Orekhovo, north from Saint Petersburg. Russia, June 24, 2017
Location on mapspr. Raevskogo, 24, Sankt-Peterburg, Russia, 194064
Bog beacon mushrooms (<B>Mitrula paludosa</B>) in a wet place in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-03.htm">July 3, 2017</A>
LinkBog beacon mushrooms (Mitrula paludosa) in a wet place in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
Location on mapsul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Close up of bog beacon mushrooms (<B>Mitrula paludosa</B>) in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-03.htm">July 3, 2017</A>
LinkClose up of bog beacon mushrooms (Mitrula paludosa) in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
Location on mapsul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Relatively big bog beacon mushrooms (<B>Mitrula paludosa</B>) from a wet place in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-03.htm">July 3, 2017</A>
LinkRelatively big bog beacon mushrooms (Mitrula paludosa) from a wet place in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
Close up of large specimens of bog beacon mushrooms (<B>Mitrula paludosa</B>) from a wet place in Sosnovka Park. Saint Petersburg, Russia, <A HREF="../date-en/2017-07-03.htm">July 3, 2017</A>
LinkClose up of large specimens of bog beacon mushrooms (Mitrula paludosa) from a wet place in Sosnovka Park. Saint Petersburg, Russia, July 3, 2017
Bog beacon mushrooms (<B>Mitrula paludosa</B>) in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-31.htm">May 31, 2019</A>
LinkBog beacon mushrooms (Mitrula paludosa) in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Bog beacon mushrooms (<B>Mitrula paludosa</B>) on wet sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2019-05-31.htm">May 31, 2019</A>
LinkBog beacon mushrooms (Mitrula paludosa) on wet sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731

AI-generated summary of observations

Observations of Mitrula paludosa in Leningrad Oblast and north-western Russia reveal that the fungus grows in wet environments, often in sphagnum moss. In Orekhovo, north of Saint Petersburg, the mushrooms were found near wet areas on June 24, 2017, and May 31, 2019. Similar findings were reported in Sosnovka Park, Saint Petersburg, on July 3, 2017, where the mushrooms grew in a wet place. The fungus was also displayed at the Botanic Gardens of Komarov Botanical Institute on May 27, 2017. The observations suggest that Mitrula paludosa thrives in moist conditions, typically found in bogs and marshy areas, and can be relatively large in size, as seen in Sosnovka Park. The fungus appears to be common in the region, with multiple sightings reported over several years.

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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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