Synonyms: Aecidium compositarum, Aecidium pini, Caeoma campanulae, Caeoma campanularum, Caeoma compransor, Caeoma crustaceum, Caeoma rhinanthacearum, Caeoma senecionis, Caeoma spinulosum, Coeomurus cacaliae, Coleosporium cacaliae, Coleosporium campanulae, Coleosporium compransor, Coleosporium euphrasiae, Coleosporium melampyri, Coleosporium narcissi, Coleosporium petasitis, Coleosporium rhinanthacearum, Coleosporium senecionis, Coleosporium sonchi, Coleosporium sonchi-arvensis, Coleosporium synantherarum, Coleosporium tropaeoli, Erysibe rhinanthacearum, Lindrothia calendulae, Peridermium acicola, Peridermium plowrightii, Puccinia calendulae, Puccinia sonchi-arvensis, Trichobasis cichoracearum, Trichobasis senecionis, Uredo cacaliae, Uredo campanulae, Uredo compransor, Uredo crustosa, Uredo euphrasiae, Uredo melampyri, Uredo petasitis, Uredo rhinanthacearum, Uredo rhinanthearum, Uredo senecionis, Uredo sonchi, Uredo sonchi-arvensis, Uredo tremellosa, Uredo tropaeoli, Uredo tussilaginis, Uromyces cacaliae, Uromyces rhinanthacearum, Ustilago tussilaginis.
Russian name: Rzhavchina khvoi sosny.
Extract from Wikipedia article: Coleosporium tussilaginis is a species of rust fungus in the family Coleosporiaceae. It is a plant pathogen.
Coleosporium tussilaginis is a rust fungus that infects plants in the Asteraceae family, particularly Coltsfoot (Tussilago farfara). In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to be widely distributed, with reports of its presence in various regions, including urban and natural areas. The fungus typically forms orange to yellow spore masses on the underside of infected leaves, causing damage to the host plant. It is considered a common species in the region, with frequent observations during field surveys and studies on fungal diversity.
Urediniospores of non-galling rust fungus Coleosporium tussilaginis on leaves of coltsfoot (Tussilago farfara) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
Ленинская тропа, Дибуны, Песочный, Санкт-Петербург, Северо-Западный федеральный округ, 197758, Россия
Orange urediniospores of rust fungus Coleosporium tussilaginis on underside of lleaves of coltsfoot (Tussilago farfara) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024Ленинская тропа, Дибуны, Песочный, Санкт-Петербург, Северо-Западный федеральный округ, 197758, РоссияObservations in Leningrad Oblast and north-western Russia revealed the presence of Coleosporium tussilaginis on coltsfoot (Tussilago farfara) leaves. On Lenin Trail near Dibuny, urediniospores of the non-galling rust fungus were found on the leaves of coltsfoot in late July 2024. The urediniospores were orange in color and located on the underside of the leaves. This suggests that Coleosporium tussilaginis is actively infecting coltsfoot in this region during the summer months. The fungus appears to be thriving in the area, with noticeable spore production on infected leaves. The observations highlight the presence of this rust fungus in north-western Russia, specifically in Leningrad Oblast, and provide insight into its life cycle and host plant interactions.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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