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 | ||
Parmotrema queenslandense Elix | ||
Lichenes Australasici Exsicc. 116 (1986). | ||
Thallus loosely adnate, coriaceous, to 8–12 cm wide. Lobes irregular, 5–12 mm wide, lacking lobules; margins eciliate; apices rotund. Upper surface pale grey or darkening with age, emaculate, smooth, lacking soredia and isidia. Medulla white. Lower surface black; marginal rim broad, erhizinate, brown; rhizines sparse, simple, black. Apothecia common, pedicellate, 5–10 mm wide; disc imperforate; thalline exciple eciliate. Ascospores 10–17 × 5–7 µm. Pycnidia common. Conidia bacilliform (immature ?), 6–7 × 1 µm. CHEMISTRY: ccortex K+ yellow; medulla K-, C-, KC-, P+ orange-red; containing atranorin, chloroatranorin, succinprotocetraric acid (major), fumarprotocetraric acid (major), protocetraric acid (trace) and an unidentified fatty acid. | ||
A common endemic species occurring on exposed rock in north Qld. | ||
Elix (1994t) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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