Verrucaria varigottiana B. de Lesd.

Lichenised. Poorly known taxon.
Substrate:
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a species with a thin thallus, sometimes continuous, sometimes of minute, scattered, dot-like units, forming irregular patches (1-1.5 cm in diam.), black, shiny, semi-immersed, irregularly globose perithecia (c. 0.1 mm in diam.) with a continuous black wall, indistinct paraphyses, and simple, hyaline oblong to ellipsoid ascospores (16-18 × 9-11 μm); only reported from the type locality (Saracene castle of Varigotti, Liguria). At least an isotype could be located in the Herb. Sbarbaro (GDOR).
Italy: Liguria;