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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Niaceae: Merismodes anomala (Pers.) Singer, 1975

Merismodes anomala

Synonyms: Cyphella anomala, Cyphellopsis anomala, Henningsomyces amoenus, Henningsomyces anomalus, Henningsomyces exiguus, Lachnella anomala, Peziza anomala, Solenia amoena, Solenia anomala, Solenia anomaloides, Solenia exigua, Tapesia anomala.

Russian name: Merismodes anomalnyy.

AI-generated description

Merismodes anomala is a species of fungus that belongs to the family Niaceae. It is characterized by its small to medium-sized fruiting bodies, which are typically 1-5 mm in diameter, with a rounded to irregular shape and a white to cream-colored surface. In St. Petersburg, Leningrad Oblast, and north-western Russia, Merismodes anomala has been found growing on decaying wood, particularly on coniferous trees such as spruce and fir, in moist and shaded areas. The fungus is relatively rare in the region, but can be encountered in late summer to early fall, typically from August to October.

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

Rosy crust fungus (Peniophora incarnata) with small mushrooms <B>Merismodes anomala</B>. near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-04-24.htm">April 24, 2017</A>
LinkRosy crust fungus (Peniophora incarnata) with small mushrooms Merismodes anomala. near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Crust fungus Cylindrobasidium evolvens together with some white resupinate polypore and tiny cup-shaped packed growths of cyphelloid fungus <B>Merismodes anomala</B> below Cylindrobasidium on a fallen spruce without bark near Dibuny, north-west from Saint Petersburg, Russia, <A HREF="../date-en/2021-05-05.htm">May 5, 2021</A>
LinkCrust fungus Cylindrobasidium evolvens together with some white resupinate polypore and tiny cup-shaped packed growths of cyphelloid fungus Merismodes anomala below Cylindrobasidium on a fallen spruce without bark near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
Location on mapsLeninskaya Tropa, Sankt-Peterburg, Russia, 197758
Corticioid (crust) fungus Cylindrobasidium evolvens and tiny cup-shaped cyphelloid fungus <B>Merismodes anomala</B> forming packed growths on a fallen spruce tree near Dibuny, north-west from Saint Petersburg, Russia, <A HREF="../date-en/2021-05-05.htm">May 5, 2021</A>
LinkCorticioid (crust) fungus Cylindrobasidium evolvens and tiny cup-shaped cyphelloid fungus Merismodes anomala forming packed growths on a fallen spruce tree near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
Location on mapsLeninskaya Tropa, Sankt-Peterburg, Russia, 197758

AI-generated summary of observations

In Leningrad Oblast and north-western Russia, observations of the fungus Merismodes anomala reveal its presence in association with other fungi. Near Lisiy Nos, it was found growing alongside Peniophora incarnata, a rosy crust fungus, on April 24, 2017. In the area near Dibuny, Merismodes anomala was observed on multiple occasions, including on May 5, 2021, where it formed packed growths of tiny cup-shaped fruiting bodies on fallen spruce trees. Notably, it was found growing together with Cylindrobasidium evolvens, a corticioid fungus, and a white resupinate polypore in these locations. The fungus appears to thrive in these environments, often co-occurring with other fungal species on decaying wood, such as spruce trees without bark. These observations highlight the diversity of fungal associations in this region. Merismodes anomala's growth patterns and associations with other fungi provide insights into its ecological role.

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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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