Flora of New Zealand Series

≡Pannaria crustata Stirt., Ann. Rep. Trans. Glasgow Soc. Field Nat. 1: 22 (1873).

=Pannaria brunnea var. pulverulenta C.Knight, Trans. N. Z. Inst. 16: 41 (1884).

Lectotype: New Zealand. Near Wellington, J. Buchanan s.n. – GLAM [fide Galloway (1985a: 331)]. Isolectotype – BM. [Material from Buchanan sent to Stirton from Otari is in WELT ex Otago Museum.]

Pannaria brunnea var. pulverulenta. Lectotype: New Zealand. Sine loco [probably Wellington]. C. Knight – WELT [fide Galloway (1985a: 331)].

Description : Flora (1985: 331 – as Pannaria crustata). See also Jørgensen & Galloway (1992b: 263–264).

Chemistry : TLC−, all reactions negative.

N: Northland (Helena Bay), South Auckland (Motuhora I.), Gisborne (Mt Hikurangi), Wellington (Rangitikei Gorge E of Taihape, York Bay). S: Nelson (Maitai Valley, Black Hill Lake Rotoiti), Marlborough (Resolution Bay, Branch River), Canterbury (Hanmer, Banks Peninsula, Peel Forest), Otago (Lake Ohau, Trotter's Gorge, Waikouaiti River, Mt Cargill, Swampy Hill Dunedin). St: (Lonnekers Beach). On rocks both coastal and inland, in moderate to deep shade at forest margins and interiors, also in alpine grassland. Known also from wet, ±calcareous rocks in SE Australia (Jørgensen & Galloway 1992b: 264).

Australasian

Illustrations : Knight (1884: pl. XXXIX, fig. 5 – as Pannaria brunnea var. pulverulenta); Jørgensen & Galloway (1992b: 259, fig. 92D); Malcolm & Malcolm (2001: 69 – as Pannaria crustata).

Fuscopannaria crustata is characterised by: the saxicolous habit; the densely lobulate, squamulose thallus; red to yellow-red apothecial discs with a persistent, pale proper margin; and acuminate ascospores.