Pyrenula homalisma (C.Knight) D.J.Galloway
Verrucaria glabrata var. homalisma Knight, Trans. Linn. Soc. Lond. 23: 100 (1860).
Lectotype: New Zealand. ?Auckland. Charles Knight 269, BM!
Thallus epiphloeodal, dark olivaceous, brown or olive-green, smooth, matt, or slightly shining, irregularly cracked, in darkish bands or patches, 2-8 cm diam., not delimited at margins. Perithecia numerous, prominent, scattered, emergent, flat, scarcely raised above surface, discrete to 4-6-confluent, ± flattened-applanate, subconical centrally, rarely or never subglobose, round to irregular, 0.5-2.5 mm diam., black, matt. Ostioles gaping, 0.1-1.0 mm diam., often with radiating cracks. Ascospores broadly ovoid with rounded ends, 4- locular, (18.7-)22.1-23.8(-25.5) × (8.3-)10.2-11.9 µm. Chemistry: TLC-.
N: Known only from the type collection.
Endemic
