Flora of New Zealand Series

≡Phlyctella uncinata (Stirt.) Müll.Arg., Bull. Herb. Boissier2, App.1: 56 (1894).

=Phlyctis neozelandica Nyl. in C. Knight, Trans. N.Z. Inst. 7: 356 (1875).

=Phlyctella pityrodes Kremp., Verhandl. zool.-bot. Ges. Wien26: 453 (1876)

Lectotype: New Zealand. Near Wellington, J. Buchanan 145 – BM [fide Galloway (1985a: 389)].

Phlyctis neozelandica. Lectotype: New Zealand. Sine loco [probably Wellington], 1867, Charles Knight – H-NYL 2230 [fide Galloway (1985a: 389)]. Isolectotype – ?WELT.

Phlyctella pityrodes. Lectotype: New Zealand. Sine loco [probably Wellington], Charles Knight – M 123–80/10 [fide Galloway (1985a: 389)].

Description : Flora (1985: 389 – as Phlyctella uncinata).

Chemistry : Thallus K+ yellow→red; containing norstictic acid.

N: Northland to Wellington. S: Nelson to Southland. Widely distributed on bark of trees and shrubs in shaded habitats. Known also from Thailand (Wolseley et al. 2002).

?Palaeotropical

Illustrations : Knight (1875a: pl. XXIII, fig. 2 – as Phlyctis neozelandica; 1877: pl. XXXVIII, figs 11, 12 – as Phlyctis neo-zelandiae [sic]); Nylander (1888: tab. 1, fig. 11 – as Phlyctella neozelandica).

Phlyctis uncinata is characterised by: the corticolous habit; the minutely granular-uneven, arachnoid or frosted, areolate, greenish grey to glaucous-grey thallus; densely white-pruinose apothecia clustered in declivities in the bark; fusiform (5–)7–13-septate ascospores; and norstictic acid (K+ yellow→red) in the medulla.