Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) on a tree stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013Synonyms: Agaricus elaeodes, Agaricus fascicularis, Agaricus praticola, Agaricus sadleri, Agaricus subviridis, Clitocybe sadleri, Dryophila fascicularis, Geophila fascicularis, Hypholoma elaeodes, Hypholoma megapotamicum, Hypholoma subviride, Hypholoma sulphureum, Naematoloma capnoides, Naematoloma elaeodes, Naematoloma fasciculare, Naematoloma subviride, Pratella fascicularis, Psilocybe fascicularis, Psilocybe subviridis.
Common name: sulphur tuft.
Russian names: Lozhnoopionok serno-zhioltyy, Opionok serno-zhioltyy, Opionok lozhnyy, serno-zhioltyy.
Extract from Wikipedia article: Hypholoma fasciculare, commonly known as the sulphur tuft, sulfur tuft or clustered woodlover, is a common woodland mushroom, often in evidence when hardly any other mushrooms are to be found. This saprophagic small gill fungus grows prolifically in large clumps on stumps, dead roots or rotting trunks of broadleaved trees.
Hypholoma fasciculare is a species of fungi that grows in clusters on stumps, logs, and tree roots. In St. Petersburg and Leningrad Oblast, it is commonly found in urban parks and forests, particularly in areas with abundant deciduous trees. In north-western Russia, it thrives in temperate forests with rich soil and high humidity, often fruiting from July to November. The fungus has a distinctive appearance, with yellowish-brown caps and greenish-yellow gills, and can grow up to 6 cm in diameter. It is considered inedible due to its bitter taste and potential toxicity.
Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) on a tree stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) stump in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
Emerging Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013
Sulphur Tuft mushrooms (Hypholoma fasciculare) in Okhtinsky Park in Toksovo, 8 miles north from Saint Petersburg. Russia, September 13, 2013
Small Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) near Shchuchye Lake north from Komarovo, 25 miles west from Saint Petersburg. Russia, September 16, 2013
Sulphur Tuft mushrooms (Hypholoma fasciculare) on a tree stump near Shchuchye Lake north from Komarovo, 25 miles west from Saint Petersburg. Russia, September 16, 2013
Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) on mulch in Sosnovka Park. Saint Petersburg, Russia, July 20, 2016
Small sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
Emerging Sulphur Tuft mushrooms (Hypholoma fasciculare)(?) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Masses of small Sulphur Tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Sulphur Tuft mushrooms (Hypholoma fasciculare) on a tree stump in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Sulphur Tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Sulphur tuft mushrooms (Hypholoma fasciculare) in Mshinskaya, Luga Region. Russia, September 2, 2016
Masses of small Sulphur Tuft mushrooms (Hypholoma fasciculare) near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Sulphur Tuft mushrooms (Hypholoma fasciculare) on a stump near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
Sulphur Tuft mushrooms (Hypholoma fasciculare) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016
Sulphur tuft (Hypholoma fasciculare)(?) mushrooms on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 7, 2017
Young sulphur tuft (Hypholoma fasciculare)(?) mushrooms on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 7, 2017
Sulphur tuft mushrooms(Hypholoma fasciculare) near Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
Sulphur tuft mushrooms(Hypholoma fasciculare) on a stump near Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) on a stump in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
Caps of sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, July 16, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) on a rotten stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) on a side of arotten stump in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
Sulphur tuft mushrooms (Hypholoma fasciculare) near 4-th South Pond on Elagin Island. Saint Petersburg, Russia, October 7, 2017
Sulphur Tuft mushrooms (Hypholoma fasciculare) on Lenin Trail near Dibuny, north-west from Saint Petersburg, Russia, August 15, 2018
Sulphur tuft mushrooms (Hypholoma fasciculare) on mulched wood in Alexander Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, May 23, 2019
Sulphur tuft mushrooms (Hypholoma fasciculare) on a mossy stump in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
Sulphur tuft mushrooms (Hypholoma fasciculare) in Petiayarvi, north from Saint Petersburg. Russia, May 26, 2019
Sulphur tuft mushrooms (Hypholoma fasciculare) on a stump in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
Sulphur tuft mushrooms (Hypholoma fasciculare) on wood chips in area of Pensioners Stables in Alexander Park in Pushkin (former Tsarskoe Selo) near Saint Petersburg. Russia, May 18, 2021
Sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, August 6, 2024
Close-up of sulphur tuft mushrooms (Hypholoma fasciculare) in Sosnovka Park. Saint Petersburg, Russia, August 6, 2024
Yellow-green fluorescence of gills of sulphur tuft mushrooms (Hypholoma fasciculare) under ultraviolet light, collected in Sosnovka Park. Saint Petersburg, Russia, August 6, 2024
Colony of sulphur tuft mushrooms (Hypholoma fasciculare) on a lawn in a yard at 15 Gavrskaya Street. Saint Petersburg, Russia, August 7, 2024The fungus Hypholoma fasciculare was observed in Leningrad Oblast and north-western Russia from 2013 to 2024. The majority of sightings were in Sosnovka Park, Saint Petersburg, with additional observations in other parks, forests, and even a yard in the city. The mushrooms were often found on tree stumps, mulch, or wood chips. They were observed at various stages of growth, from emerging to mature, and sometimes formed large colonies. The sightings occurred throughout the growing season, from May to October, with a peak in August. The observations suggest that Hypholoma fasciculare is a common species in the region, thriving in urban and natural environments. Some observations also noted the characteristic yellow-green fluorescence of the mushrooms' gills under ultraviolet light. Overall, the data provides a comprehensive record of the species' presence and habits in the area.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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