Hazel bracket fungus (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214Synonyms: Incrustoporia nivea, Incrustoporia semipileata, Leptoporus semipileatus, Leptotrimitus semipileatus, Microporus niveus, Polyporus chioneus, Polyporus hymeniicola, Polyporus niveus, Polyporus semipileatus, Polystictus niveus, Trametes nivea, Tyromyces chioneus, Tyromyces semipileatus.
Common names: hazel bracket fungus, hazel bracket.
Russian name: Skeletokutis belosnezhnyy.
Skeletocutis nivea is a species of polypore fungus characterized by its white to cream-colored pore surface and annual growth habit. In St. Petersburg and Leningrad Oblast, it typically grows on deciduous trees, especially birch and alder. In north-western Russia, it has been found in various forests, including those dominated by spruce and pine, often on dead or dying wood. The fungus is relatively common in the region, particularly in areas with rich soil and moderate humidity.
Hazel bracket fungus (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
White poroid mushrooms of hazel bracket (Skeletocutis nivea)(?) on a dry mountain ash tree in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214Observations of Skeletocutis nivea were made in Leningrad Oblast and north-western Russia. The fungus was found growing on a dry mountain ash tree in Sosnovka Park, Saint Petersburg, on August 14, 2017. It manifested as hazel bracket fungus with white poroid mushrooms. The growths were observed to be attached to the tree, suggesting a parasitic or saprotrophic relationship. The specific location and host tree species may indicate a preference for certain environmental conditions or substrates. Further observations are needed to confirm the identity of the fungus and understand its distribution and ecological role in the region. The presence of Skeletocutis nivea in this area suggests that it may be more widespread in north-western Russia than previously thought, and additional surveys may reveal more about its habits and habitats.
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