Hooded false morel (Gyromitra infula) covered by mold-like fungus Sphaeronaemella helvellae on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016Synonyms: Ceratocystis helvellae, Sphaeria helvellae, Sphaeronaema helvellae.
Sphaeronaemella helvellae is a species of fungus that infects the ascomycete Helvella crispa. In St. Petersburg and Leningrad Oblast, it has been found on the roots and stipes of infected Helvella specimens, typically in coniferous and mixed forests. The fungus is also distributed in north-western Russia, where it has been recorded in the Murmansk, Arkhangelsk, and Vologda Oblasts, often associated with helvellaceous hosts in subarctic and temperate regions.
Hooded false morel (Gyromitra infula) covered by mold-like fungus Sphaeronaemella helvellae on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 1, 2016The fungus Sphaeronaemella helvellae was observed growing on the hooded false morel (Gyromitra infula) in the Leningrad Oblast and north-western Russia. Specifically, on October 1, 2016, a specimen of Gyromitra infula covered by the mold-like fungus Sphaeronaemella helvellae was found in the Botanic Gardens of Komarov Botanical Institute in Saint Petersburg, Russia. The observation suggests that Sphaeronaemella helvellae is a parasite or symbiont of certain mushroom species, including Gyromitra infula. Further study is needed to determine the exact nature of the relationship between the fungus and its host. The presence of Sphaeronaemella helvellae on Gyromitra infula in this region highlights the diversity of fungal interactions in north-western Russia. The observation provides new information on the distribution and ecology of Sphaeronaemella helvellae in the region, and contributes to a better understanding of fungal biodiversity.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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