Xanthoparmelia subnuda
≡Parmelia subnuda Kurok. in S. Kurokawa & J.A. Elix, J. Jap. Bot. 46: 114 (1971).
Description : Flora (1985: 615).
Chemistry : Cortex K−; medulla K+ yellow→dark-red, C−, KC+ red, Pd+ orange; containing norstictic (major), ±salazinic, connorstictic and usnic acids.
S: Nelson (?), Otago (Timaru Creek, Lake Hawea, Tarras, Alexandra, Butcher's Dam, Conroy's Gully, Old Man Ra., Lake Onslow). On rocks (schist) in dry grassland and in high-alpine outcrops on schist (Old Man Ra.), 250–1650 m. Known also from temperate areas of S and E Australia and Tasmania (Elix 1994s: 291; McCarthy 2003c, 2006).
Australasian
Illustrations : Galloway (1981b: 543, fig. 11); Hale (1990: 202, fig. 67E); Elix (1994s: 199, fig. 87); Kantvilas et al. (2002: 233).
Xanthoparmelia subnuda is characterised by: the saxicolous habit; a loosely adnate thallus; narrow, sublinear to linear-elongate lobes which are dichotomously to trichotomously branched; a black lower surface; and norstictic acid in the medulla.
