Thelotrema weberi
Description : Flora (1985: 577).
Chemistry : K+ yellow-red, C−, PC+ red, Pd+ orange; containing norstictic acid.
N: South Auckland (Whale I.), Wellington. St: (Magog Fraser Peaks, Islet Cove Port Pegasus). On bark and on rotting logs in coastal, lowland forest, rarely on rock. Known also from North America, New Guinea and Sri Lanka (Hale 1974, 1981).
Palaeotropical
Illustration : Hale (1981: 268, fig. 10F).
Thelotrema weberi is characterised by: the corticolous (rarely saxicolous) habit; the whitish buff to pale olivaceous wrinkled-plicate to minutely verrucose thallus; conspicuous, urceolate apothecia; colourless, thick-walled, muriform, I+ blue ascospores, 2–8 per ascus, 60–90 × 10–24 μm; and norstictic acid in the medulla.