Bonnet mushrooms Mycena flavoalba (Atheniella flavoalba) on roadside near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, July 25, 2017
Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667Synonyms: Agaricus flavoalbus, Hemimycena flavoalba, Marasmiellus flavoalbus, Mycena flavoalba, Mycena luteoalba.
Common name: ivory bonnet.
Russian name: Mitsena zheltovato-belaya.
Atheniella flavoalba is a species of fungus in the family Marasmiaceae. It has been found in St. Petersburg and Leningrad Oblast, where it typically grows on soil, moss, and decaying plant material in coniferous and mixed forests. In north-western Russia, it is considered a rare species, with records from the Murmansk Oblast, Arkhangelsk Oblast, and Republic of Karelia. The fungus produces small, yellowish-brown to pale brown caps with a diameter of 1-4 cm, and its stipe is slender, hairy, and up to 6 cm long.
Bonnet mushrooms Mycena flavoalba (Atheniella flavoalba) on roadside near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, July 25, 2017Novyy per., Kavgolovo, Leningradskaya oblast', Russia, 188667
Ivory bonnet mushrooms (Atheniella flavoalba) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017Primorskoye sh., Sankt-Peterburg, Russia, 197701Observations of Atheniella flavoalba in Leningrad Oblast and north-western Russia reveal its presence in various locations. The fungus was found on a roadside near Kavgolovskoe Lake, south of Oselki, approximately 8 miles north of Saint Petersburg, on July 25, 2017. Additionally, it was spotted in Tarkhovka, near Sestroretsk, west of Saint Petersburg, on August 15, 2017. The sightings suggest that Atheniella flavoalba can thrive in roadside environments and possibly other areas with suitable conditions. The species was observed during the summer months, specifically in July and August, indicating a possible peak growth period during this time. These observations provide insight into the habitat and distribution of Atheniella flavoalba in north-western Russia. Further study could help determine the full range of its ecological preferences and distribution in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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