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Fungi: Basidiomycota: Agaricomycetes: Polyporales: Polyporaceae: Cerioporus squamosus (Huds.) Quél., 1886

Cerioporus squamosus – Dryad's saddle

Synonyms: Agarico-pulpa ulmi, Agaricus squamosus, Boletus cellulosus, Boletus juglandis, Boletus maximus, Boletus michelii, Boletus polymorphus, Boletus squamosus, Boletus testaceus, Bresadolia caucasica, Bresadolia paradoxa, Bresadolia squamosa, Cerioporus michelii, Cerioporus rostkowii, Favolus squamosus, Heteroporus biennis, Melanopus squamosus, Polyporellus rostkowii, Polyporellus squamatus, Polyporellus squamosus, Polyporus alpinus, Polyporus biennis, Polyporus caudicinus, Polyporus dissectus, Polyporus flabelliformis, Polyporus infundibuliformis, Polyporus juglandis, Polyporus michelii, Polyporus pallidus, Polyporus retirugus, Polyporus rostkowii, Polyporus squamatus, Polyporus squamosus, Polyporus ulmi, Polyporus westii, Scenidium pallidum, Trametes retirugus.

Common name: dryad's saddle.

Russian name: Trutovik cheshuychatyy.

Extract from Wikipedia article: Polyporus squamosus aka Cerioporus squamosus (yet to be confirmed new taxonomy) is a basidiomycete bracket fungus, with common names including dryad's saddle and pheasant's back mushroom. It has a widespread distribution, being found in North America, Australia, Asia, and Europe, where it causes a white rot in the heartwood of living and dead hardwood trees. The name "dryad's saddle" refers to creatures in Greek mythology called dryads who could conceivably fit and ride on this mushroom, whereas the pheasant's back analogy derives from the pattern of colors on the bracket matching that of a pheasant's back.

AI-generated description

Cerioporus squamosus is a species of polypore fungus that grows on deciduous trees, particularly birch and beech. In St. Petersburg, Leningrad Oblast, and north-western Russia, it is commonly found in forests and parks, typically fruiting from July to October. The fungus has a semicircular to fan-shaped cap with scales, and a yellowish-brown to brown color. It is considered edible and is used locally for food and medicinal purposes.

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

Dryad's saddle mushrooms (<B>Cerioporus squamosus</B>, Polyporus squamosus, a bracket fungus) on a log in Zhiharevo, east from Saint Petersburg. Russia, <A HREF="../date-en/2011-06-02.htm">June 2, 2011</A>
LinkDryad's saddle mushrooms (Cerioporus squamosus, Polyporus squamosus, a bracket fungus) on a log in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
Dryad's saddle mushrooms (<B>Cerioporus squamosus</B>, Polyporus squamosus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, <A HREF="../date-en/2016-07-18.htm">July 18, 2016</A>
LinkDryad's saddle mushrooms (Cerioporus squamosus, Polyporus squamosus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
Dryad's saddle (<B>Cerioporus squamosus</B>, Polyporus squamosus) tinder mushroom near Morskie Dubki Beach in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-01.htm">June 1, 2017</A>
LinkDryad's saddle (Cerioporus squamosus, Polyporus squamosus) tinder mushroom near Morskie Dubki Beach in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
Location on mapsPolyanskaya dor., Sankt-Peterburg, Russia, 197755
Lower surface of dryad's saddle (<B>Cerioporus squamosus</B>, Polyporus squamosus) tinder mushroom in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-01.htm">June 1, 2017</A>
LinkLower surface of dryad's saddle (Cerioporus squamosus, Polyporus squamosus) tinder mushroom in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
Location on mapsPolyanskaya dor., Sankt-Peterburg, Russia, 197755
Caps of dryad's saddle (<B>Cerioporus squamosus</B>, Polyporus squamosus) tinder mushroom in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-01.htm">June 1, 2017</A>
LinkCaps of dryad's saddle (Cerioporus squamosus, Polyporus squamosus) tinder mushroom in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
Location on mapsPolyanskaya dor., Sankt-Peterburg, Russia, 197755
Caps of dryad's saddle (<B>Cerioporus squamosus</B>, Polyporus squamosus) mushrooms taken from a willow in Lisiy Nos, west from Saint Petersburg. Russia, <A HREF="../date-en/2017-06-01.htm">June 1, 2017</A>
LinkCaps of dryad's saddle (Cerioporus squamosus, Polyporus squamosus) mushrooms taken from a willow in Lisiy Nos, west from Saint Petersburg. Russia, June 1, 2017
Location on mapsPolyanskaya dor., Sankt-Peterburg, Russia, 197755
Dryad's saddle mushrooms (<B>Cerioporus squamosus</B>, Polyporus squamosus) taken from a willow tree near Tikhoretsky Prospect. Saint Petersburg, Russia, <A HREF="../date-en/2017-08-25.htm">August 25, 2017</A>
LinkDryad's saddle mushrooms (Cerioporus squamosus, Polyporus squamosus) taken from a willow tree near Tikhoretsky Prospect. Saint Petersburg, Russia, August 25, 2017
Young dryad's saddle mushrooms (<B>Cerioporus squamosus</B>) found on a willow(?) at Zheleznodorozhnaya Street in Kuzmolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2021-05-21.htm">May 21, 2021</A>
LinkYoung dryad's saddle mushrooms (Cerioporus squamosus) found on a willow(?) at Zheleznodorozhnaya Street in Kuzmolovo, north from Saint Petersburg. Russia, May 21, 2021
Location on mapsLeningradskoye Shosse, 13А, Kuzmolovsky, Leningradskaya oblast', Russia, 188663

AI-generated summary of observations

Observations of Cerioporus squamosus in Leningrad Oblast and north-western Russia show that the fungus grows on various substrates, including logs, willow trees, and possibly other deciduous trees. The mushrooms were found in different locations, such as Zhiharevo, Botanic Gardens of Komarov Botanical Institute, Morskie Dubki Beach, Lisiy Nos, and Kuzmolovo. They were observed during various times of the year, including June, July, August, and May. The lower surface of the mushrooms was also observed, showing its characteristic features. Young and mature specimens were found, with some growing on willow trees in urban areas, such as near Tikhoretsky Prospect and Zheleznodorozhnaya Street. The fungus appears to be widespread in the region, with multiple sightings over several years. The observations provide insights into the growth habits and distribution of Cerioporus squamosus 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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