Crested coral mushrooms (Clavulina coralloides) infected by ascomycete fungus Helminthosphaeria clavariarum under maples in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017
Pamyatnik Politekhnikam, St Petersburg, Russia, 195251
Grey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, September 2, 2018
Grey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Grey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum on a lawn in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Grey coral mushrooms (Clavulina cinerea) infected by ascomycete fungus Helminthosphaeria clavariarum under spruce trees in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018