Verrucaria aucklandica Zahlbr.
Holotype: New Zealand. Anawhata. On coastal rocks. L.M. Cranwell 195, W - not seen. Isotype in CHR.
Thallus closely attached, thin (0.35 mm thick), roughened, greyish-brown or olive-greenish, dull, smooth, coriaceous, areolate-cracked, areolae subangular, smooth, plane or subconvex, with 1-9 perithecia, saxicolous. Perithecia immersed, convex, dull or shining, 0.1-0.15 mm diam., punctiform, black. Ascospores biseriate, simple, ellipsoid or oval, straight, contents oily, 10-11 × 6 µm.
N: North Auckland (Anawhata, Rangitoto I., Poor Knights Is).
Endemic