Australian Biological Resources Study
| Checklist of the Lichens of Australia and its Island Territories | ||
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References | ||
| Parmelina quercina(Willd.) Hale | ||
| Phytologia 28: 483 (1974); Lichen quercinus Willd., Fl. Berol. Prodr. 353 (1787); Parmelia quercina (Willd.) Vain., Természetrajzi Füz. 22: 279 (1899). T: Thiergarten and near Tegel, Germany (cf. M.E.Hale, Smithsonian Contr. Bot. 33: 42, 1976); syn: not known. | ||
| Thallus adnate, to 5–10 cm wide. Lobes hardly imbricate, elongate, irregularly branched, 1–2.5 mm wide; cilia sparse to moderately dense, 0.1–0.15 mm long, black. Upper surface pale greenish grey to whitish grey, convex, dull, distinctly white-maculate on marginal lobes, maculae simple, slightly rugulose, without soredia and isidia. Medulla white. Lower surface jet black; rhizines sparse, simple or, very rarely, squarrosely branched, black. Apothecia common, 2–6 mm wide; disc flat to slightly concave; thalline exciple smooth. Ascospores broadly ellipsoidal, 9–12 × 6–9 µm. Pycnidia common. Conidia bacilliform, 6–8 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K-, C+ red, KC-, P-; containing atranorin, chloroatranorin and lecanoric acid (major). | ||
| Scattered on bark in southern Australia (W.A., S.A., N.S.W. and Vic.). This cosmopolitan species is found in temperate regions throughout the world; in Australasia also in New Zealand. Tasmanian records refer to P. pseudorelicina (Kantvilas et al., 2002). | ||
| Elix (1994p) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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