Arthonia epiodes Nyl.
Type: New Zealand. Sine loco. Charles Knight, H.NYL. - not seen.
Thallus blotchy white, subdeterminate. Ascocarps black, round to oblong, flattish, 0.5-0.7 mm diam., disc obscure. Ascospores oval-oblong, 7-septate, 32-40 × 10-14 µm.
N: Known only from the type collection.
Endemic
