Flora of New Zealand Series

=Pertusaria subcommunis Nyl., Lich. Nov. Zel.: 67 (1888).

Lectotype: New Zealand. Near Wellington, J. Buchanan – BM [fide Galloway (1985a: 379)].

Pertusaria subcommunis. Lectotype: New Zealand. Westland, Greymouth, 1886, R. Helms 268 – H-NYL 22950 [fide Galloway (1985a: 379)].

Description : Flora (1985: 379).

Chemistry : ? perlatolic acid, 2 unidentified compounds and a xanthone.

N: Northland (Three Kings Is, Whangarei), South Auckland (Waipakahi Valley). S: Marlborough (Onamalutu), Otago (Flagstaff, Abbott's Hill, Dunedin, Akatore), Southland (Waihopai Scenic Reserve Invercargill, Waikoau River, Te Wae Wae Bay). Widespread on bark of lowland forest trees and shrubs (Avicennia, Dacrycarpus dacrydioides, Griselinia littoralis, Kunzea ericoides, Melicytus ramiflorus, Metrosideros excelsa, Myrsine australis, Nothofagus menziesii).

Endemic

Pertusaria sorodes is characterised by: the corticolous habit; the pale olive-green to fawnish or yellow-green, wrinkled, plicate or papillate thallus; verruciform apothecia with minute, punctiform black or brown ostioles, 2–10 per verruca; 2-spored asci; broadly ellipsoidal ascospores (120–)160–240(–265) × (40–)50–75(–80) μm, with a wall 13–17 μm thick having conspicuous radial zonation of inner wall.