Velvet-top fungus (dyer's polypore mushroom, Phaeolus schweinitzii) in area of Old Sylvia in Pavlovsk Park. Pavlovsk near Saint Petersburg, Russia, July 28, 2016
alleya Chyornoy Shlyapy, Pavlovsk, g. Sankt-Peterburg, RussiaSynonyms: Boletus sistotrema, Boletus sistotremoides, Calodon spadiceus, Cladomeris schweinitzii, Cladomeris spongia, Coltricia schweinitzii, Daedalea fusca, Daedalea spadicea, Daedalea suberosa, Hapalopilus schweinitzii, Hydnellum spadiceum, Hydnum spadiceum, Inodermus schweinitzii, Inonotus herbergii, Inonotus spongia, Inonotus sulphureopulverulentus, Mucronoporus spongia, Ochroporus sistotremoides, Phaeodon spadiceus, Phaeolus sistotremoides, Phaeolus spadiceus, Phaeolus spongia, Polyporus herbergii, Polyporus holophaeus, Polyporus schweinitzii, Polyporus sistotremoides, Polyporus spongia, Polyporus sulphureopulverulentus, Polystictus herbergii, Polystictus holophaeus, Polystictus holopleus, Polystictus schweinitzii, Romellia sistotremoides, Sistotrema spadiceum, Xanthochrous waterlotii.
Common name: dyer's mazegill.
Russian names: Trutovik Shveynitsa, Feolus Shveynitsa.
Extract from Wikipedia article: Phaeolus schweinitzii, commonly known as velvet-top fungus, dyer's polypore, or dyer's mazegill, is a fungal plant pathogen that causes butt rot on conifers such as Douglas-fir, spruce, fir, hemlock, pine, and larch. P. schweinitzii is a polypore, although unlike bracket fungi the fruiting body may appear terrestrial when growing from the roots or base of the host tree. The fruiting bodies, appearing in late summer or fall, commonly incorporate blades of grass, twigs, or fallen pine needles as they grow. As these fruiting bodies age, the pore surface turns from yellow to greenish yellow, the top becomes darker, and the flesh becomes harder and more wood-like.
Phaeolus schweinitzii is a bracket fungus that grows on coniferous trees, particularly pine and spruce. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically fruits from August to October, forming semicircular to kidney-shaped brackets with a smooth, velvety surface that ranges in color from yellowish-brown to dark brown. The fungus is commonly found in parks, gardens, and forests, often at the base of trees or on stumps, where it causes brown rot decay. It is widely distributed in the region, including in urban areas, and can be abundant in some years, particularly after warm and humid summers.
Velvet-top fungus (dyer's polypore mushroom, Phaeolus schweinitzii) in area of Old Sylvia in Pavlovsk Park. Pavlovsk near Saint Petersburg, Russia, July 28, 2016alleya Chyornoy Shlyapy, Pavlovsk, g. Sankt-Peterburg, Russia
Velvet-top fungus (dyer's polypore mushroom, Phaeolus schweinitzii) in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, August 26, 2016Дорожка, Petergof, g. Sankt-Peterburg, Russia, 198517
Dyer's mazegill mushroom (Phaeolus schweinitzii) under a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017Aptekarskaya nab., 6, Sankt-Peterburg, Russia, 197022
Dyer's mazegill mushroom (Phaeolus schweinitzii) near a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017Aptekarskaya nab., 6, Sankt-Peterburg, Russia, 197022
Dyer's mazegill mushroom (Phaeolus schweinitzii) at a base of a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017ulitsa Professora Popova, 1/6, Sankt-Peterburg, Russia, 197022
Caps of dyer's mazegill mushroom (Phaeolus schweinitzii) at a base of a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017ulitsa Professora Popova, 1/6, Sankt-Peterburg, Russia, 197022
Young dyer's mazegill mushroom (Phaeolus schweinitzii) at a base of a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017ulitsa Professora Popova, 1/6, Sankt-Peterburg, Russia, 197022
Dyer's mazegill mushroom (Phaeolus schweinitzii)(?) at the base of larch covered by a golden mold fungus in Lesnoy Park (Lesotekhnicheskiy Universitet). Saint Petersburg, Russia, July 30, 2017Institutskiy per., 3, Sankt-Peterburg, Russia, 194156
Dyer's mazegill mushrooms (Phaeolus schweinitzii)(?) covered by a golden mold fungus in Lesnoy Park (Lesotekhnicheskiy Universitet). Saint Petersburg, Russia, July 30, 2017Institutskiy per., 3, Sankt-Peterburg, Russia, 194156
Old dyer's mazegill mushrooms (Phaeolus schweinitzii) at the base of a larch tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 12, 2017ulitsa Professora Popova, 1/6, St Petersburg, Russia, 197022
Velvet-top fungus (Phaeolus schweinitzii mushroom) near a sole larch tree in a forest in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018Saint Petersburg, Russia, 197701
Young dyer's mazegill mushrooms (Phaeolus schweinitzii) in Sosnovka Park. Saint Petersburg, Russia, July 17, 2024
Young dyer's mazegill mushrooms (Phaeolus schweinitzii) in Sosnovka Park. Saint Petersburg, Russia, July 17, 2024
Mature dyer's mazegill mushrooms (Phaeolus schweinitzii) on a mossy stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024Тарховка, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Caps of mature dyer's mazegill mushrooms (Phaeolus schweinitzii) on a mossy stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024Тарховка, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, Россия
Underside of mature dyer's mazegill mushrooms (Phaeolus schweinitzii) on a mossy stump in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024Тарховка, Сестрорецк, Санкт-Петербург, Северо-Западный федеральный округ, 197706, РоссияObservations of Phaeolus schweinitzii in Leningrad Oblast and north-western Russia reveal that the fungus grows in various locations, including parks and forests near Saint Petersburg. It is often found at the base of larch trees, as seen in Botanic Gardens of Komarov Botanical Institute and Lesnoy Park. The fungus has been observed in different stages of growth, from young to mature, and sometimes covered with a golden mold fungus. Specific locations include Pavlovsk Park, Alexandria Park, Sosnovka Park, and Tarkhovka Park, with sightings recorded between 2016 and 2024. The fungus appears to thrive in the region's climate, with repeated observations in the same areas over several years, including multiple sightings in July and August.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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