LICHALP

Verrucaria subdolosa Servít

Lichenised. Poorly known taxon.

Substrate: calciferous rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a species resembling V. dolosa, with a spreading, thin, olive-grey, continuous to subrimulose, minutely verruculose to granular thallus, hemispherically protruding to subsessile ascomata (to 0.3 mm in diam.), an involucrellum reaching down to the base of the perithecium and there spreading, and ellipsoid ascospores (exceeding 25 µm in length); on calcareous rocks at low elevations; here and there throughout Central Europe, with scattered records from the Alps.