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Fungi: Ascomycota: Sordariomycetes: Xylariales: Xylariaceae: Kretzschmaria deusta (Hoffm.) P.M.D. Martin 1970

Kretzschmaria deusta – Brittle cinder

Synonyms: Discosphaera deusta, Hypoxylon deustum, Hypoxylon magnosporum, Hypoxylon ustulatum, Nemania deusta, Nemania maxima, Sphaeria albodeusta, Sphaeria deusta, Sphaeria maxima, Sphaeria versipellis, Stromatosphaeria deusta, Ustulina deusta, Ustulina maxima, Ustulina vulgaris.

Common name: brittle cinder.

Russian name: Ustulina obyknovennaya.

Extract from Wikipedia article: Kretzschmaria deusta, commonly known as brittle cinder, is a fungus and plant pathogen found in temperate regions of the Northern Hemisphere. It is common on a wide range of broadleaved trees including beech (Fagus), oak (Quercus), lime (Tilia), and maple (Acer). It causes a soft rot, breaking down both cellulose and lignin, and decays the trunk and/or roots of living trees. The fungus continues to decay wood after the host tree has died, making K. deusta a facultative parasite. The resulting brittle fracture can exhibit a ceramic-like fracture surface. Black zone lines can often be seen in cross-sections of wood infected with K. deusta.

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

Brittle cinder fungus (<B>Kretzschmaria deusta</B>) on a tree stump in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, <A HREF="../date-en/2017-06-26.htm">June 26, 2017</A>
LinkBrittle cinder fungus (Kretzschmaria deusta) on a tree stump in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, June 26, 2017
Location on mapsСанкт-Петербург, Смоленское Лютеранское кладбище
Brittle cinder fungus (<B>Kretzschmaria deusta</B>) on an old stump in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, <A HREF="../date-en/2017-06-26.htm">June 26, 2017</A>
LinkBrittle cinder fungus (Kretzschmaria deusta) on an old stump in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, June 26, 2017
Location on mapsСанкт-Петербург, Смоленское Лютеранское кладбище

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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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