Flora of New Zealand Series

P. pseudonitidella (Knight) D. Galloway, N.Z. J. Bot. 21: 197 (1983).

Verrucaria nitida var. pseudonitidella Knight, Trans. Linn. Soc. Lond. 23: 99 (1860).

Lectotype: New Zealand. Sine loco (?Auckland). Charles Knight, 316, BM!

Thallus endophloeodal, olivaceous, often eroded and appearing whitish or greyish, in scattered, irregular patches or bands, 0.5-2.5 cm diam. Perithecia emergent, discrete rarely 2-3-confluent, minute 0.05-0.4 mm diam., rounded, hemispherical to ± flattened centrally, black, matt. Ostiole central, gaping. Ascospores uniseriate, ovoid to broadly ellipsoid or rarely lemon-shaped, 15.3-17.0 × (6.8-)8.3-10.2 µm. Chemistry: UV+ orange substance, UV+ green substance (UV+ blue after charring), UV+ violet substance after charring.

N: Auckland to Wellington.

Endemic