Flora of New Zealand Series

≡Parmelia furcata Müll.Arg., Flora 69: 256 (1886).

=Parmelia subconspersa var. substenophylla Gyeln., Magy Bot. Lapok. 28: 60 (1930).

Parmelia subconspersa var. substenophylla. Lectotype. New Zealand. Sine loco, sine collectoribus – H-NYL 34717 [fide Hale (1990: 117)]. Isolectotype – BP.

Description : Flora (1985: 612).

Chemistry : Cortex K−; medulla K−, C−, KC+ pink, Pd−; containing norlobaridone, loxodin and usnic acid.

N: Northland (Three Kings Is, Hen I.), Auckland (Piha, Karekare), South Auckland (Hotwater Beach, Coromandel Peninsula). On coastal rocks. Known also from Australia (Elix et al. 1986b: 255; Elix 1994s: 246; McCarthy 2003c, 2006).

Australasian

Illustrations : Galloway (1981b: 534, fig. 5A; 535, fig. 5B – as Parmelia dichotoma); Hale (1990: 118, fig. 41D); Kantvilas et al. (2002: 165).

Xanthoparmelia furcata is characterised by: the saxicolous habit; the narrow, linear-elongate, dichotomously branching lobes; a brown, wrinkled lower surface with very sparse but robust rhizines; and loxodin and norlobaridone in the medulla.