Extract from Wikipedia article: Climacodon septentrionalis is a species of polypore fungus in the family Meruliaceae. It is a plant pathogen. Originally named Hydnum septentrionale by Elias Magnus Fries in 1821, it was transferred to the genus Climacodon by Petter Karsten in 1881.
Polypore mushroom Climacodon septentrionalis (northern tooth fungus) on a linden(?) tree on Pesochnaya Embankment. Saint Petersburg, Russia, August 4, 2016 Pesochnaya nab., 4, Sankt-Peterburg, Russia, 197376
Massive cluster of a polypore mushroom Climacodon septentrionalis (northern tooth fungus) on a linden(?) tree on Pesochnaya Embankment. Saint Petersburg, Russia, August 4, 2016 Pesochnaya nab., 4, Sankt-Peterburg, Russia, 197376
Old polypore mushroom Climacodon septentrionalis (northern tooth fungus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 26, 2016 Aptekarskaya nab., 6, Sankt-Peterburg, Russia, 197022
Young northern tooth mushrooms (Climacodon septentrionalis) on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017 nab. Peki Karpovki, Sankt-Peterburg, Russia, 197022
Young northern tooth fungus (Climacodon septentrionalis) on a maple tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017 nab. Peki Karpovki, Sankt-Peterburg, Russia, 197022
Northern tooth mushroom (Climacodon septentrionalis) in Lesnoy Park. Saint Petersburg, Russia, August 22, 2017 Bolshoy Sampsoniyevskiy prospekt, 99, St Petersburg, Russia, 194156
Northern tooth mushroom (Climacodon septentrionalis) on a tree near Serdobolsky Pond in Lesnoy Park. Saint Petersburg, Russia, August 22, 2017 Bolshoy Sampsoniyevskiy prospekt, 99, St Petersburg, Russia, 194156
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