Pink jelly fungus (Craterocolla cerasi)(?) on a fallen willow on roadside on west side of Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, August 25, 2017
Dachnaya Ulitsa, Leningradskaya oblast', Russia, 188664Synonyms: Ombrophila cerasi, Sphaeria cerasi.
Common name: pink jelly fungus.
Russian name: Kraterokolla vishnevaya.
Craterocolla cerasi is a rare fungus species found in north-western Russia, including St. Petersburg and Leningrad Oblast. It grows on deciduous trees, particularly cherry and birch, typically fruiting in late summer to autumn. The fungus produces small, cup-shaped or crater-like fruiting bodies, usually 1-5 cm in diameter, with a wavy or lobed margin and a hairy exterior. In the region, it is considered a rare and poorly studied species, with limited records of its distribution and ecology.
Pink jelly fungus (Craterocolla cerasi)(?) on a fallen willow on roadside on west side of Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, August 25, 2017Dachnaya Ulitsa, Leningradskaya oblast', Russia, 188664
Pink jelly fungus (Craterocolla cerasi) on a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663
Pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663
Underside of pink jelly fungus (Craterocolla cerasi) growing through bark of a fallen aspen on old railroad path west from Kuzmolovo, near Saint Petersburg. Russia, May 7, 2021Unnamed Road, Leningradskaya oblast', Russia, 188663Observations of Craterocolla cerasi in Leningrad Oblast and north-western Russia reveal its presence on various substrates. On August 25, 2017, it was found on a fallen willow near Toksovo, and on May 7, 2021, it was observed on fallen aspens on an old railroad path west of Kuzmolovo. The fungus grew through the bark of the aspen in some cases, with the underside of the fungus visible. These sightings suggest that Craterocolla cerasi can thrive on different types of deciduous trees and in various environments, including roadside and abandoned paths. The fungus's appearance was consistent across observations, with a pink jelly-like texture. Its growth habits and substrate preferences were also noted, providing insight into its ecology in the region. These findings contribute to our understanding of Craterocolla cerasi's distribution and behavior in north-western Russia.
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