Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755Synonyms: Acia denticulata, Acia uda, Climacodon ochraceus, Gloiodon pudorinus, Hydnum decurrens, Hydnum denticulatum, Hydnum ochraceum, Hydnum pudorinum, Hydnum rhois, Hydnum tenerum, Irpex ochraceus, Irpex rhois, Leptodon ochraceus, Mycoacia denticulata, Mycoleptodon decurrens, Mycoleptodon ochraceus, Mycoleptodon pudorinus, Mycoleptodon rhois, Odontia denticulata, Odontina denticulata, Pleurodon pudorinus, Sarcodontia denticulata, Steccherinum rhois.
Common name: ochre spreading tooth.
Russian name: Stekkherinum okhryanyy.
Extract from Wikipedia article: Steccherinum ochraceum, known as ochre spreading tooth, is a hydnoid fungus of the family Steccherinaceae. It is a plant pathogen infecting sweetgum trees. It was originally described as Hydnum ochraceum by Johann Friedrich Gmelin in 1792, and later transferred to the genus Steccherinum in 1821 by Samuel Frederick Gray in 1821.
Steccherinum ochraceum is a species of tooth fungus that grows on dead wood, characterized by its ochre to golden-brown color and cylindrical to irregularly shaped spines. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found on various deciduous tree species, including birch, alder, and willow, typically in moist, shaded areas with rich soil. Fruit bodies are usually small to medium-sized, 2-6 cm wide, and appear from summer to autumn. The fungus is considered rare to occasional in the region, with records from mixed forests, parklands, and woodland edges.
Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Ochre spreading tooth mushrooms (Steccherinum ochraceum(?)) on a willow near Kamenka River in Yuntolovsky Park. Saint Petersburg, Russia, February 23, 2017Zapadniy Skorostnoy Diameter, Sankt-Peterburg, Russia, 197373
Ochre spreading tooth mushroom (Steccherinum ochraceum) taken from Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
Ochre spreading tooth mushroom (Steccherinum ochraceum) on willow in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017Tikhoretskiy pr., 21, Sankt-Peterburg, Russia, 195427
Ochre spreading tooth mushroom (Steccherinum ochraceum) on a mossy stump near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017Dachnaya ul., 17А, Toksovo, Leningradskaya oblast', Russia, 188664
Ochre spreading tooth mushroom (Steccherinum ochraceum) on willow on a stump near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, March 14, 2017Dachnaya ul., 17А, Toksovo, Leningradskaya oblast', Russia, 188664
Ochre spreading tooth mushroom (Steccherinum ochraceum) on a broken tree in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017Svetlanovskiy pr., 51, Sankt-Peterburg, Russia, 194064
Ochre spreading tooth mushroom (Steccherinum ochraceum) near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Crust of ochre spreading tooth mushroom (Steccherinum ochraceum) near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Ochre spreading tooth mushroom (Steccherinum ochraceum) on a tree branch near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Ochre spreading tooth fungus (Steccherinum ochraceum) near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017Polyanskaya dor., Sankt-Peterburg, Russia, 197755
Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on rotting wood in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019Petergof, Saint Petersburg, Russia
Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on a cut surface of a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019Petergof, Saint Petersburg, Russia
Ochre spreading tooth mushroom (Steccherinum ochraceum)(?) on a log in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019Petergof, Saint Petersburg, RussiaObservations of Steccherinum ochraceum were made in various locations in Leningrad Oblast and north-western Russia, primarily in the vicinity of Saint Petersburg. The fungus was found on willow trees near the Kamenka River in Yuntolovsky Park, as well as in Sosnovka Park, where it grew on willow and a broken tree. It was also observed on mossy stumps and tree branches near Kavgolovskoe Lake in Toksovo. Additional sightings were made in Lisiy Nos, west of Saint Petersburg, where the fungus grew on rotting wood, logs, and tree branches. The observations spanned several months, from February to July, with repeated sightings in the same areas, suggesting that Steccherinum ochraceum is a common species in the region. The fungus was also found on decaying wood in Sobstvennaya Dacha Park in Old Peterhof.
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