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Fungi: Ascomycota: Pezizomycetes: Pezizales: Rhizinaceae: Rhizina undulata Fr., 1815

Rhizina undulata – Pine firefungus

Synonyms: Helvella acaulis, Helvella inflata, Rhizina inflata, Rhizina laevigata, Rhizina praetexta.

Common name: pine firefungus.

Russian names: Rizina volnistaya, Volnistyy koren, Rizina.

Extract from Wikipedia article: Rhizina undulata, commonly known as the doughnut fungus or the pine firefungus, is a species of fungus in the family Rhizinaceae. The fruit bodies of the fungus are dark purple brown with a bright yellow margin, crust-like and attached to the growing surface by numerous root-like yellow rhizoids. R. undulata has a cosmopolitan distribution, and commonly occurs on clearings or burned areas throughout central and northern Europe, North America, northern Asia, and southern Africa. It is parasitic on conifer seedlings, and has caused considerable damage to tree plantations worldwide.

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

Crustlike cups of doughnut fungus (pine firefungus, <B>Rhizina undulata</B> mushrooms) near Dibuny, north-west from Saint Petersburg, Russia, <A HREF="../date-en/2016-08-24.htm">August 24, 2016</A>
LinkCrustlike cups of doughnut fungus (pine firefungus, Rhizina undulata mushrooms) near Dibuny, north-west from Saint Petersburg, Russia, August 24, 2016
Pine firefungus (<B>Rhizina undulata</B>) near burnt ground near Dibuny, north-west from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-06.htm">August 6, 2017</A>
LinkPine firefungus (Rhizina undulata) near burnt ground near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
Pine firefungus (<B>Rhizina undulata</B>) in area of Lembolovo - Orekhovo, 35 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-08.htm">August 8, 2017</A>
LinkPine firefungus (Rhizina undulata) in area of Lembolovo - Orekhovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Young pine firefungus (<B>Rhizina undulata</B>) in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-09.htm">August 9, 2017</A>
LinkYoung pine firefungus (Rhizina undulata) in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017
Location on mapsUnnamed Road, Leningradskaya oblast', Russia, 188664
Pine firefungus (<B>Rhizina undulata</B>) near Orekhovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-18.htm">August 18, 2017</A>
LinkPine firefungus (Rhizina undulata) near Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Surface of pine firefungus (<B>Rhizina undulata</B>) in Orekhovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-18.htm">August 18, 2017</A>
LinkSurface of pine firefungus (Rhizina undulata) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Young pine firefungus (<B>Rhizina undulata</B>) in Orekhovo, 40 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-18.htm">August 18, 2017</A>
LinkYoung pine firefungus (Rhizina undulata) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Pine firefungus (<B>Rhizina undulata</B>) on burnt ground near Orekhovo, 45 miles north from Saint Petersburg. Russia, <A HREF="../date-en/2017-08-27.htm">August 27, 2017</A>
LinkPine firefungus (Rhizina undulata) on burnt ground near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 27, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Pine firefungus (<B>Rhizina undulata</B>) near Lembolovo, north from Saint Petersburg. Russia, <A HREF="../date-en/2017-09-20.htm">September 20, 2017</A>
LinkPine firefungus (Rhizina undulata) near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
Location on mapsUnnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731

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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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