Hypotrachyna dactylifera
≡Parmelia dactylifera Vain., Acta Soc. Faun. Fl. fenn. 7 (7): 57 (1890).
Description : Flora (1985: 197–198).
Chemistry : Cortex K+ yellow; medulla K−, C−, KC+ rose, Pd−; containing atranorin, colensoic, norcolensoinic, 4- O- demethylphysodic, physodic and lividic acids.
N: Northland. On rocks, and bark of Beilschmiedia tarairi. Still very poorly known in New Zealand. Known also from Mexico, Central and South America, India and Thailand (Hale 1975; Awasthi 1976; Kurokawa & Moon 2000; Aptroot 2002e; Nash et al. 2002b; Wolseley et al. 2002).
Pantropical
Illustration : Hale (1975: 32, fig. 9b).
Hypotrachyna dactylifera is characterised by: the corticolous habit; the densely developed, simple to coralloid, pustular isidia; and colensoinic, norcolensoinic, 4- O- demethylphysodic, physodic and lividic acids in the medulla.
