LICHALP

Verrucaria latebrosoides Servít

Lichenised. Poorly known taxon.

Substrate: siliceous rocks

Altitudinal distribution:

Note: a species with a spreading, olive-brown to blackish-brown, rimose to areolate thallus with a carbonised basal layer, hemispherically protruding ascomata (to c. 0.2 mm in diam.), an involucrellum adpressed to the perithecial wall and reaching down to the base, and ellipsoid ascospores (to 25 µm long); on porphyric rocks, only known from the type locality in the Eastern Alps (Italy).