Crustlike cups of doughnut fungus (pine firefungus, Rhizina undulata mushrooms) near Dibuny, north-west from Saint Petersburg, Russia, August 24, 2016Synonyms: 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.
Crustlike cups of doughnut fungus (pine firefungus, Rhizina undulata mushrooms) near Dibuny, north-west from Saint Petersburg, Russia, August 24, 2016
Pine firefungus (Rhizina undulata) near burnt ground near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
Pine firefungus (Rhizina undulata) in area of Lembolovo - Orekhovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Young pine firefungus (Rhizina undulata) in area of Kavgolovskoe Lake near Oselki - Toksovo, north from Saint Petersburg. Russia, August 9, 2017Unnamed Road, Leningradskaya oblast', Russia, 188664
Pine firefungus (Rhizina undulata) near Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Surface of pine firefungus (Rhizina undulata) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Young pine firefungus (Rhizina undulata) in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Pine firefungus (Rhizina undulata) on burnt ground near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 27, 2017Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Pine firefungus (Rhizina undulata) near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Mushrooms Rhizina undulata) on a site of an old bonfire in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024188827, Каменка, Leningrad, RussiaRussian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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