Verrucaria imitatoria Servít

Lichenised. Poorly known taxon.
Substrate:
Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a species resembling V. rupestris, with a thin, epilithic, spreading, greyish, rimose to areolate thallus, hemispherically protruding ascomata (to 0.25 mm in diam.), an adpressed involucrellum reaching down almost to the base of the perithecium, and ellipsoid ascospores (to 35 µm long); only known from the type locality at the base of the Western Alps (Italy), on sandstone.
Italy: Liguria;