Polyblastia trachyspora
≡Verrucaria trachyspora C.Knight, Trans. N. Z. Inst. 15: 355 (1883).
Holotype: New Zealand. Sine loco [probably Wellington], Charles Knight – WELT.
Description : Flora (1985: 410).
N: Wellington. Known only from the type collection (on rock).
Endemic
Illustration : Knight (1883: pl. XXXVI, fig. 9 – as Verrucaria trachyspora).
Polyblastia trachyspora is characterised by: the saxicolous habit; the thin, brownish thallus; minute, semi-immersed black perithecia; and colourless, oval, muriform ascospores, 18 × 10 μm.