Synonyms: Calycella alba, Calycella coronata, Crocicreas coronatum, Cyathicula alba, Cyathicula inflexa, Hymenoscyphus coronatus, Peziza coronata, Peziza inflexa, Peziza urceolata, Phialea coronata.
Russian name: Krotsikreas uvenchannyy.
Cyathicula coronata is a species of fungus that belongs to the family Helotiaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found growing on decaying wood, particularly on deciduous trees such as alder and birch. The fungus typically fruits in late summer to early autumn, producing small, cup-shaped ascocarps with a coronate margin, ranging in color from yellowish-brown to dark brown. It is considered a rare species in the region, with limited records of its occurrence.
Observations of the fungus Cyathicula coronata were made in Leningrad Oblast and north-western Russia. The fungus was found growing on dry stalks of giant knotweed (Reynoutria sachalinensis) in the Botanic Gardens of Komarov Botanical Institute, Saint Petersburg, Russia. On September 30, 2017, cup mushrooms of Cyathicula coronata were observed, and small cup fungi of the same species were also found on a dry stalk of giant knotweed. The fungus was identified as Cyathicula coronata, although some sources may refer to it as Crocicreas coronatum. These observations suggest that Cyathicula coronata can be found in urban botanical gardens in north-western Russia, specifically in the Leningrad Oblast region, and appears to have a association with giant knotweed. The fungus was observed in a dry state, indicating its ability to survive in such conditions.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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