Red-gilled webcap mushrooms (Cortinarius semisanguineus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 2, 2016
Unnamed Road, Leningradskaya oblast', Russia, 188664Synonyms: Cortinarius cinnamomeus, Dermocybe semisanguinea, Flammula cinnamomea.
Common name: surprise webcap.
Russian names: Pautinnik krovavo-krasnovatyy, Pautinnik krasnoplastinkovyy, Pautinnik polukrovavo-krasnyy, Pautinnik krovyano-krasnovatyy.
Extract from Wikipedia article: Cortinarius semisanguineus is a medium-sized mushroom with a pale brown to ochre cap, and bright blood-red gills. It belongs to the genus Cortinarius, a group collectively known as webcaps. It is found growing in conifer plantations, and has recently been given the fanciful common name of surprise webcap. In the past it has been called the red-gilled webcap.
Cortinarius semisanguineus is a species of fungus that belongs to the family Cortinariaceae. It has a reddish-brown cap, 2-5 cm in diameter, and a stipe of similar color, 3-6 cm tall and 0.5-1 cm thick. The flesh is reddish-brown and the gills are crowded and reddish-brown. In St. Petersburg, Leningrad Oblast, and north-western Russia, Cortinarius semisanguineus typically grows in coniferous and mixed forests, often associated with spruce, pine, or birch trees. Fruitings usually occur from late summer to early autumn, particularly in areas with moist, acidic soils and abundant leaf litter. The species is considered rare in the region, but can be locally common in suitable habitats.
Red-gilled webcap mushrooms (Cortinarius semisanguineus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 2, 2016Unnamed Road, Leningradskaya oblast', Russia, 188664
Red gills of surprise webcap mushrooms (Cortinarius semisanguineus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 2, 2016Unnamed Road, Leningradskaya oblast', Russia, 188664
Surprise webcap mushrooms (Cortinarius semisanguineus or may be purpureus) in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016Unnamed Road, Zakhodskoye, Leningradskaya oblast', Russia, 188861
Surprise webcap mushrooms (Cortinarius semisanguineus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 15, 2016Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Surprise webcap mushrooms (Cortinarius semisanguineus) near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
Surprise webcap mushrooms (Cortinarius semisanguineus) south-west from Dibuny - Pesochnyi, near Saint Petersburg. Russia, September 14, 2016Unnamed Road, Pesochnyy, g. Sankt-Peterburg, Russia
Surprise webcap mushrooms (Cortinarius semisanguineus) near Pervomayskoe, Vyborg Region. Russia, September 30, 2016Первомайское сельское поселение, Выборгский район, Ленинградская область, Северо-Западный федеральный округ, 188855, Россия
Surprise webcap mushrooms (Cortinarius semisanguineus) in Dibuny, near Saint Petersburg. Russia, August 20, 2017Unnamed Road, Sankt-Peterburg, Russia, 197758
Surprise webcap mushrooms (Cortinarius semisanguineus) near Orekhovo, north from Saint Petersburg. Russia, August 24, 2018Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Underside of surprise webcap mushroom (Cortinarius semisanguineus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024Дюны, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, Россия
Surprise webcap mushroom (Cortinarius semisanguineus) in sphagnum moss at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024Дюны, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, Россия
Side view of a surprise webcap mushroom (Cortinarius semisanguineus) at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, August 11, 2024Экологическая тропа, Белоостров, Санкт-Петербург, Северо-Западный федеральный округ, 197730, РоссияObservations of Cortinarius semisanguineus in Leningrad Oblast and north-western Russia reveal its presence in various locations. The fungus was found near Kavgolovskoe Lake in Toksovo, Zakhodskoe, Orekhovo, Dibuny, Pervomayskoe, and Sestroretskoye Swamp, all within a 50-mile radius of Saint Petersburg. It was observed growing in different environments, including sphagnum moss. The red-gilled webcap mushrooms were spotted during the months of August and September, from 2016 to 2024, indicating a consistent presence in the region. The observations also highlight the distinctive red gills of the fungus, which were visible in multiple sightings. Overall, Cortinarius semisanguineus appears to be widely distributed in Leningrad Oblast and north-western Russia, with a preference for certain habitats.
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