Sarcographa labyrinthica
≡Glyphis labyrinthica Ach., Syn. meth. lich.: 107 (1814).
Description : Flora (1985: 519–520).
N: South Auckland (Kihikihi near Te Awamutu), on Fraxinus in churchyard. S: Marlborough (Chetwode Is, Nukuwaiata I.), on bark in Dysoxylum spectabile – Prumnopitys ferruginea forest. Known also from the neotropics, India and Sri Lanka (Awasthi 1991; Pant 1991), Florida (Brodo et al. 2001), W Africa, Malesia, Philippines, Brazil (Staiger 2002) and Australia (Filson 1996; McCarthy 2003c, 2006). Recorded last century from Ireland (Leighton 1879: 436) but apparently no longer present there.
Pantropical
Illustrations : Acharius (1818: 38, tab. 2, fig. 1); Brodo et al. (2001: 650, pl. 794); Staiger (2002: 39, fig. 2; 408, fig. 172; 409, fig. 173; 507, figs 262, 263).
Sarcographa labyrinthica is characterised by: the olivaceous to pale-greenish or yellowish, wrinkled to smooth, matt or ±varnish-like thallus; and apothecia that are subreticulate, radiating or anastomosing, black with whitish and slightly pulverulent margins; and ascospores that are linear-elongate to elongate-ellipsoidal, 3–5-septate, 14–21 × 6–8 μm.