Flora of New Zealand Series

≡Parmelia texana Tuck., Am. J. Sci. Arts ser. 2, 25: 424 (1858).

≡Pseudoparmelia texana (Tuck.) Hale, Phytologia 28: 191 (1974).

Description : Flora (1985: 463 – as Pseudoparmelia texana). See also Elix (1994d: 30).

Chemistry : Cortex K+ yellow; medulla K−, C+ red, KC+ red, Pd−; containing atranorin, chloroatranorin, divaricatic acid (major), nordivaricatic acid (minor) and stenosporic acid (tr.).

N: South Auckland (near Te Aroha). On rocks in farmland. Known also from North and South America, Zimbabwe, E Africa, Madagascar, Asia and Australia (Esslinger & Egan 1995; Brodo et al. 2001; Kurokawa & Lai 2001: 233; Becker 2002; Nash & Elix 2002b; Wolseley et al. 2002; McCarthy 2003c, 2006).

Cosmopolitan

Illustrations : Hale (1976: 51, fig. 17f); Brodo et al. (2001: 212, pl. 184).

Canoparmelia texana is characterised by: the capitate or pustulate soralia; and the presence of divaricatic acid in the medulla.