Flora of New Zealand Series

=Thelotrema obovatum Stirt., Rep.Trans. Glasgow Soc. Field Nat. 1: 21 (1873).

Thelotrema obovatum. Lectotype: New Zealand. Near Wellington, Tinakori Hill, J. Buchanan 57b – GLAM [fide Galloway (1985a: 576)]. Isolectotypes: BM, GLAM, WELT.

Description : Flora (1985: 576).

Chemistry : Thallus K+ yellow, C−, KC−, Pd+ orange-red; containing stictic and constictic acids.

N: Wellington (Tinakori Hill).

Palaeotropical

Illustrations : Matsumoto (2000: 40, fig. 17A, B; 42, fig. 18A, B).

Thelotrema porinoides is characterised by: the corticolous habit; a corticate, yellow-buff to pale-olivaceous, lumpy-warted to minutely granular thallus; colourless to pale-brownish exciple to 35 μm thick; a colourless hymenium 100–120 μm tall; 8-spored asci; colourless, oblong-fusiform ascospores, 14–20-septate, 36–80 × 8–14 μm; and a chemistry of stictic and constictic acids.