Synonyms: Corticium subcoronatum, Pellicularia subcoronata.
Russian name: Botriobazidium subventsenosnyy.
Botryobasidium subcoronatum is a species of fungus in the family Botryobasidiaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found to fruit on decaying wood, particularly coniferous trees, and occasionally on mosses and other plant material. The fungus typically grows in humid environments, such as forests, swamps, and riverbanks, and is commonly encountered during the summer and autumn months. Its basidiocarps are resupinate, thin, and membranous, with a smooth to tuberculate hymenial surface, and its spores are ellipsoid to subcylindrical, measuring 5-7 μm in length.
Decaying basidiome of jelly rot (Phlebia tremellosa, Merulius tremellosus) with a saprobic fungus Botryobasidium subcoronatum on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214The observation of Botryobasidium subcoronatum in Leningrad Oblast and north-western Russia revealed its presence on decaying basidiomes of jelly rot (Phlebia tremellosa, Merulius tremellosus) on birch trees. Specifically, on March 13, 2017, the fungus was found in Sosnovka Park, Saint Petersburg, Russia. The fungus was growing as a saprobic organism, obtaining its nutrients from the decaying jelly rot. This observation suggests that Botryobasidium subcoronatum plays a role in the decomposition process of organic matter in these regions. The fungus was likely taking advantage of the nutrient-rich environment provided by the decaying jelly rot to grow and thrive. Further observations are needed to fully understand the ecology and distribution of this fungus in the region. The finding highlights the diversity of fungal species in north-western Russia and their importance in ecosystem processes.
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