Synonyms: Calycina epiphylla, Helotium epiphyllum, Hymenoscyphus epiphyllus, Peziza epiphylla.
Russian name: Feogelotium listovoy.
Phaeohelotium epiphyllum is a species of fungus that belongs to the family Helotiaceae. It is characterized by its small, discoid to cup-shaped apothecia with a brown to dark brown hymenium and white to pale yellowish exterior. In St. Petersburg, Leningrad Oblast, and north-western Russia, Phaeohelotium epiphyllum has been found growing on leaves and stems of various plant species, particularly in moist, shaded areas. The fungus typically fruits in late summer to early autumn, producing asci with 8 ellipsoid ascospores. Records from the region indicate that it is a relatively rare but widespread species in the area.
The fungus Phaeohelotium epiphyllum was observed in Leningrad Oblast and north-western Russia, specifically on a rotten leaf near Kuzmolovo, north of Saint Petersburg. The observation took place on September 24, 2017. The mushrooms were small in size, indicating that the species may thrive in moist environments with abundant organic matter. The presence of Phaeohelotium epiphyllum in this region suggests that it can tolerate the cool and humid climate of north-western Russia. The fungus was found on a rotten leaf, which is consistent with its known habitat preferences, typically growing on decaying plant material. This observation contributes to our understanding of the distribution and ecological requirements of Phaeohelotium epiphyllum in this region. Further studies could investigate the species' role in decomposing organic matter and its potential interactions with other organisms in the ecosystem.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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