Spring hazelcup fungus (Encoelia furfuracea) together with birch blackhead (Diatrypella favacea) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
Sovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325Synonyms: Diatrype affinis, Diatrype angulata, Diatrype aspera, Diatrype favacea, Diatrypella aspera, Diatrypella nigroannulata, Diatrypella tocciaeana, Diatrypella verruciformis, Diatrype nigroannulata, Diatrype tocciaeana, Diatrype verruciformis, Microstoma asperum, Microstoma verruciforme, Myxosporium croceum, Naemaspora crocea, Sphaeria angulata, Sphaeria aspera, Sphaeria favacea, Sphaeria nigroannulata, Sphaeria verruciformis, Stromatosphaeria nigroannulata, Valsa angulata.
Common name: birch blackhead.
Diatrypella favacea is a species of fungus that belongs to the family Diatrypaceae. In St. Petersburg, Leningrad Oblast, and north-western Russia, it has been found on various substrates, including dead wood and bark of deciduous trees, particularly on Acer platanoides, Alnus glutinosa, and Salix spp. The fungus produces stromata that are effused-pulvinate to pulvinate, often with a Favacea-like appearance, and perithecia that are completely or partly immersed in the stroma.
Spring hazelcup fungus (Encoelia furfuracea) together with birch blackhead (Diatrypella favacea) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021Sovetskaya Ulitsa, 44, Sankt-Peterburg, Russia, 198325
Birch blackhead (Diatrypella favacea) growing through bark on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021Ulitsa Orekhovaya, 13, Кавелахта, Ленинградская, Russia, 198325
Pattern of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021Ulitsa Orekhovaya, 13, Кавелахта, Ленинградская, Russia, 198325
Close-up of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021Ulitsa Orekhovaya, 13, Кавелахта, Ленинградская, Russia, 198325Observations of Diatrypella favacea were made in Leningrad Oblast and north-western Russia, specifically on Orekhovaya Gora Hill in Duderhof Heights, south of Saint Petersburg. The fungus was found growing alongside Spring hazelcup fungus (Encoelia furfuracea) on May 9, 2021. It was observed growing through the bark of a dry hazelnut, displaying a distinct pattern. Close-up observations revealed the detailed structure of the birch blackhead fungus. The fungus was also noted to be present on other areas of the hill, with multiple instances of growth recorded. These observations provide insight into the habitat and growth patterns of Diatrypella favacea in this region. The fungus appears to thrive in this environment, colonizing dry hazelnuts and forming distinctive patterns.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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