Arthopyrenia peltigerella Zahlbr.
Lectotype: New Zealand. North Auckland, Rangitoto I. On bark of Avicennia resinifera. H.H. Allan Z 109, CHR 373596!
Thallus for the most part endophloeodal, in effuse patches, 1-2 cm diam., very thin, pale greyish or olivaceous, minutely maculate, obscurely limited at margins, corticolous. Perithecia black, shining, ± dispersed, innate to emergent, convex, rounded to ± oblong, 0.5-0.8 mm diam., ostiole minute. Ascospores biseriate, colourless, ± oval or irregularly ovoid, straight, (1-)2-3(-4)-septate, locules unequal, upper cell more rounded, lower cell ellipsoid-oblong, apices rounded, constricted at septum, 20-25.6 × 9-11 µm.
N: Known only from the type collection.
Endemic
