Lecanora broccha Nyl.
L. parmelina Zahlbr., Denkschr. Akad. Wiss. Wien math.-naturwiss. Kl. 104: 341 (1941).
L. parmelina. Lectotype: New Zealand. Marlborough, Mt Tapuaenuku, Inland Kaikoura Range, c. 1200 m, on dead stumps of tussock grass. J.S. Thomson (T 1524) ZA 271, CHR 375801!
Thallus very thin, arachnoid, greyish-white or creamish, matt. Apothecia scattered to crowded, sessile, constricted at base, rounded to deformed through mutual pressure, 0.5-2.5 mm diam., persistently concave, disc pale yellow-brown to brown-black, matt, epruinose, margins thin, entire, persistent, crenulate, inflexed, white or grey-white, exciple buff, smooth to minutely verrucose. Epithecium granular, brown, 4-8 µm thick. Paraphyses simple, dense, 2-3 µm diam., apices capitate, brownish to 5 µm diam. Asci clavate 51 × 15-18 µm. Ascospores ellipsoid to broadly ellipsoid, uniseriate or biseriate, 11.9-17 × 6.8-8.3 µm. Chemistry: Atranorin, arthothelin, thiophaninic, stictic and norstictic (tr.) acids, accessory substance and pigment.
N: Wellington (Ruahine Ra.). S: Nelson to Fiordland mainly east of the Main Divide. On decaying tussock bases in subalpine - alpine grassland 500-2000 m.
Austral
