Flora of New Zealand Series

Verrucaria oblitterate var. holocarpa Hoffm., Dtsch. Fl.: 179 (1796).

Thallus crustose, effuse, scurfy-furfuraceous, whitish-grey or lacking, in patches 1-5 diam., K-, saxicolous. Apothecia small, crowded, 0.3-0.5 mm diam., deformed-angular through mutual pressure, solitary fruits rounded, sessile, concave at first, becoming ± convex, disc deep yellow or orange, matt, margins concolorous with disc or paler, entire, most obvious in young fruits, occluded with age. Ascospores biseriate, ellipsoid with rounded ends, straight, 2-locular, 10-16 × 5-7.5 µm, septum c. ¼ to ⅓ length of spore. Chemistry: Emodin, parietin, xanthorin, fallacinal.

N: Wellington, Sine loco (Charles Knight - BM). On calcareous rocks, mortar, rare on bark.

Cosmopolitan

Nineteenth century accounts of New Zealand lichens refer this species to C. pyracea.