Synonyms: Botrytis dendroides, Cladobotryum dendroides, Dactylium dendroides, Hypolyssus dendroides, Mucor dendroides, Nectria albertinii, Nectria rosella, Sphaeria rosella.
Common name: pink polypore mould.
Russian name: Gipomitses rozetochnyy.
Hypomyces rosellus is a fungus that parasitizes mushrooms, particularly species of Russula and Lactarius. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to commonly infect Russula spp., forming pink to reddish-brown perithecia on the cap surfaces. The fungus is widely distributed in the region's coniferous and mixed forests, with peak fruiting occurring from July to September. It is considered a relatively common species in the area, with frequent records from various localities, including the surroundings of St. Petersburg and the Karelian Isthmus.
Pinkish mold fungus Hypomyces rosellus(?) on rotten wood in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
Novosil'viyskiy Most Cherez Reku Slavyanku, Okruzhnaya Alleya, Pavlovsk, Sankt-Peterburg, Russia, 196625The observation of Hypomyces rosellus in Leningrad Oblast and north-western Russia reveals its presence on rotten wood. Specifically, on September 8, 2018, a pinkish mold fungus, identified as Hypomyces rosellus, was found in the area of New Sylvia in Pavlovsk Park, Pavlovsk, a suburb of Saint Petersburg, Russia. The fungus was growing on decaying wood, indicating its role in breaking down organic matter. This sighting suggests that Hypomyces rosellus is present in the region and can be found in areas with suitable substrates, such as rotten wood. Further observations may reveal more about its distribution and habits in north-western Russia. The fungus's appearance and growth habits in this region may provide insights into its ecological role and interactions with other organisms. Additional studies could explore its relationship with other fungi and microorganisms in the area.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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