The type specimen was collected from a western slope of Mount Castel (Autonomous Republic of Crimea) at an altitude of 110 m (360 ft); there it was found growing on thalli of Bacidia rubella, which itself was growing on Carpinus betulus.

The species epithet polischukii honours Ukrainian virologist, professor Valeriy Polischuk.

These small (typically 170–190 μm in diameter) black structures are more or less spherical, and are either scattered throughout the thallus surface or roughly arranged in groups of three to five.

Ascospores are hyaline, ellipsoid with a marked constriction at the single septum, and typically measure 18.0–21.6 by 6.0–7.6 μm.

The authors suggest that the association between these species ranges from parasymbiotic (i.e., the lichen supports a fungal species growing in close association with it, without apparent disadvantage) to weakly parasitic, because the fungal presence does not seem to greatly affect the host, causing only slight deformations in the thallus.