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Fungi: Basidiomycota: Agaricomycetes: Russulales: Hericiaceae: Dentipellis fragilis (Pers.) Donk, 1962

Dentipellis fragilis

Synonyms: Dentipellis echinospora, Dryodon fragilis, Hericium fragile, Hydnum fragile.

Russian name: Dentipellis lomkiy.

AI-generated description

Dentipellis fragilis is a rare, resupinate fungus that grows on decaying wood. In St. Petersburg and Leningrad Oblast, it has been found in forests and parks, typically on birch and alder logs. In north-western Russia, it is considered a locally rare species, with records from the Murmansk, Arkhangelsk, and Vologda regions, where it inhabits coniferous and mixed forests, often associated with moist, shaded areas.

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

Polypore mushroom <B>Dentipellis fragilis</B>(?) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-12.htm">September 12, 2016</A>
LinkPolypore mushroom Dentipellis fragilis(?) near Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Close up of polypore mushroom <B>Dentipellis fragilis</B>(?) near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2016-09-12.htm">September 12, 2016</A>
LinkClose up of polypore mushroom Dentipellis fragilis(?) near Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Tooth mushrooms <B>Dentipellis fragilis</B> on a large rotten log of an oak in area of Nizhniye Dubki near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-03-03.htm">March 3, 2017</A>
LinkTooth mushrooms Dentipellis fragilis on a large rotten log of an oak in area of Nizhniye Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
Location on mapsPrimorskoye sh., g. Sankt-Peterburg, Russia, 197755
Immature timber mushrooms <B>Dentipellis fragilis</B> on a large rotten oak near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2017-08-23.htm">August 23, 2017</A>
LinkImmature timber mushrooms Dentipellis fragilis on a large rotten oak near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Young timber fungus <B>Dentipellis fragilis</B> on a large rotten oak near Lisiy Nos. West from Saint Petersburg, Russia, <A HREF="../date-en/2017-08-23.htm">August 23, 2017</A>
LinkYoung timber fungus Dentipellis fragilis on a large rotten oak near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Timber fungus <B>Dentipellis fragilis</B> on a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-11.htm">September 11, 2017</A>
LinkTimber fungus Dentipellis fragilis on a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Hydnoid mushroom <B>Dentipellis fragilis</B> on a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-11.htm">September 11, 2017</A>
LinkHydnoid mushroom Dentipellis fragilis on a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Timber fungus <B>Dentipellis fragilis</B> in a cavity of a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-11.htm">September 11, 2017</A>
LinkTimber fungus Dentipellis fragilis in a cavity of a large rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Mushrooms <B>Dentipellis fragilis</B> on a large fallen oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-21.htm">September 21, 2017</A>
LinkMushrooms Dentipellis fragilis on a large fallen oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Mushrooms <B>Dentipellis fragilis</B> on a rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-21.htm">September 21, 2017</A>
LinkMushrooms Dentipellis fragilis on a rotten oak in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017
Location on mapsPrimorskoye Shosse, Sankt-Peterburg, Russia, 197755
Immature tooth fungus <B>Dentipellis fragilis</B> on a large rotten log of an oak in area of Blizhnie Dubki in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, <A HREF="../date-en/2018-09-06.htm">September 6, 2018</A>
LinkImmature tooth fungus Dentipellis fragilis on a large rotten log of an oak in area of Blizhnie Dubki in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
Location on mapsЭкотропа "У Лукоморья", Лисий Нос, Санкт-Петербург, Северо-Западный федеральный округ, 189645, Россия

AI-generated summary of observations

Observations of Dentipellis fragilis in Leningrad Oblast and north-western Russia reveal its growth habits and habitats. The fungus was found on large rotten logs and oaks, often in coastal forests near Lisiy Nos, west of Saint Petersburg. It grew in various forms, including polypore mushrooms, tooth mushrooms, and immature timber fungi. The observations spanned from March to September, indicating a possible growth period during this time. Specific locations included Nizhniye Dubki, Blizhnie Dubki, and areas between Lisiy Nos and Olgino. The fungus was often found on oak trees, suggesting a preference for this species. Multiple sightings in the same area over several years (2016-2018) suggest that Dentipellis fragilis is a relatively common species in this region. The observations provide valuable insights into the ecology and distribution of this fungus in north-western Russia.

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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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