Verrucaria otagensis Zahlbr.
Holotype: New Zealand. Otago, Matanoka. On coastal limestone. J.S. Thomson A 65, W - not seen. Isotypes CHR 373524! OTA 029029!
Thallus in irregular patches 2-6(-8) cm diam., (0.2-0.3 mm thick) rather rough, brown-black or reddish-brown, surface verrucose-uneven, dull, at first depressed- verrucose then minutely areolate, areolae 0.4-2.0 mm diam., separated by wide cracks, plane then verrucose-cracked uneven, saxicolous. Perithecia immersed, solitary to 1-4 together, subconvex, black, minute, 0.1-0.4 mm diam. Ascospores biseriate, oblong-ellipsoid or suboval-oblong, straight, apices rounded, contents oily, 16-18 × 8-9 µm.
S: Otago. Known only from the type collection.
Endemic