McCarthy, P. M. (1988). New and interesting species of Verrucaria I. The Lichenologist, 20(01): 6.
Thallus effuse to rimose-areolate, consisting of 0.07-0.1 mm broad brown-black granules. Perithecia semi-immersed to almost superficial, compound; involucrellum glossy black, 0.15-0.28 mm diam, extending to excipular-base level or incurved beneath it. Centrum 0.15-0.25 mm diam. Excipulum brown-black, 25-30 µm thick. Asci 35-40 X 10-13 µm. Ascospores 7-10(-12) X (3.5-)4.5-7 µm. On granite, eastern USSR. (See Note 2.)