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Fungi: Basidiomycota: Agaricomycetes: Agaricales: Pterulaceae: Radulomyces molaris (Chaillet ex Fr.) M.P. Christ., 1960

Radulomyces molaris – Oak tooth crust

Synonyms: Acia membranacea, Basidioradulum molare, Cerocorticium molare, Hydnum membranaceum, Hydnum rude, Odontia stenodon, Oxydontia stenodon, Radulum membranaceum, Radulum molare, Radulum rude, Sarcodontia stenodon, Sistotrema crustaceum, Sistotrema rude, Xylodon membranaceus.

Common name: oak tooth crust.

Russian name: Radulomitses zubchatyy.

AI-generated description

Radulomyces molaris is a species of fungus that belongs to the family Pterulaceae. It is characterized by its tooth-like spines and white to cream-colored fruiting body. In St. Petersburg, Leningrad Oblast, and north-western Russia, Radulomyces molaris has been found growing on decaying wood, particularly coniferous trees, in moist environments such as forests, parks, and along waterways. The fungus is typically encountered during the summer and autumn months, with fruiting bodies reaching up to 5 cm in diameter. Its distribution in the region is considered relatively rare, but it can be locally abundant in suitable habitats.

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

Hydnoid resupinate fungus Hyphodontia or may be <B>Radulomyces molaris</B> on a log in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-27.htm">August 27, 2018</A>
LinkHydnoid resupinate fungus Hyphodontia or may be Radulomyces molaris on a log in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
Location on mapsPeschanaya Ulitsa, 3, Tarkhovka, Sankt-Peterburg, Russia, 197701
Hydnoid resupinate fungus Hyphodontia or may be <B>Radulomyces molaris</B> on wet wood in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-08-27.htm">August 27, 2018</A>
LinkHydnoid resupinate fungus Hyphodontia or may be Radulomyces molaris on wet wood in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
Location on mapsPeschanaya Ulitsa, 3, Tarkhovka, Sankt-Peterburg, Russia, 197701

AI-generated summary of observations

Observations of the fungus Radulomyces molaris were made in Leningrad Oblast and north-western Russia. On a log in Tarkhovka, near Sestroretsk, west of Saint Petersburg, a hydnoid resupinate fungus was identified as either Hyphodontia or possibly Radulomyces molaris on August 27, 2018. A similar observation was made on wet wood in the same location, with the fungus again resembling either Hyphodontia or Radulomyces molaris. These sightings suggest that Radulomyces molaris may be present in this region, thriving on decaying wood in moist environments. The similarity to Hyphodontia highlights the need for closer examination to confirm the identity of the fungus. Both observations were made in late summer, indicating a potential peak in fungal activity during this time. Further study is needed to fully understand the distribution and habits of Radulomyces molaris in this area.

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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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