Flora of New Zealand Series

H. pseudosinuosa (Asahina) Hale, Smithson. Contr. Bot. 25: 58 (1975).

Parmelia pseudosinuosa Asahina, J. Jap. Bot. 26: 329 (1951).

Thallus lobate, closely attached, 3-9 cm diam. Lobes sublinear, short and sometimes crowded, 1-4 mm wide. Upper surface pale mineral grey, plane, smooth, sorediate. Soralia capitate, subterminal. Lower surface black, moderately rhizinate. Rhizines black, dichotomously branched. Apothecia not seen. Chemistry: Cortex K+ yellow; medulla K-, C-, KC-, Pd+ orange-red. Protocetraric acid and atranorin.

N: North Auckland (Rangitoto I.). S: Otago (near Dunedin). On rock or bark, still rarely collected in New Zealand.

Pantropical