Porina triblasta Müll.Arg.
Holotype: New Zealand. Sine loco (prob. Wellington). Dr. Knight, 1883, G638/12! (Labelled by Knight Verrucaria triblasta Kn.).
Thallus pale yellowish- or creamish-white, in well-delimited patches or bands, 1-3 cm diam., roughened-arachnoid or ± effuse-areolate-cracked. Perithecia scattered, rather sparse, black, minute 0.05-0.2 mm diam., ± immersed, eroding and leaving small blackish pits, exciple heavily carbonised, black, apical pore minute. Paraphyses filiform, simple. Asci long, narrowly clavate, 8-spored, thin-walled, 120-130 × 6.8-8.3 µm. Ascospores uniseriate, oval-ellipsoid, 2-septate, central locule largest, 13.6-18.7 × 5.1 µm, septa 1.7 µm thick.
N: Known only from the type collection, but probably more widely distributed.
Endemic
