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 | ||
Pertusaria modesta Müll.Arg. | ||
Flora 67: 352 (1884) T: Caracas, Venezuela, 1879, Ernst s.n.; holo: G. |
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Thallus pale olive-green, areolate and cracked, smooth and dull. Soredia and isidia absent. Apothecia numerous, conspicuous, verruciform, concolorous with the thallus, crowded, sometimes confluent, flattened-hemispherical, usually concave above, 0.4–1.0 mm diam. Ostioles black, conspicuous, 1–2 (–5) per verruca. Ascospores 4 per ascus, ellipsoidal, smooth, 90–115 (–135) × 30–45 (–50) µm. CHEMISTRY: Thallus K–, KC–, C–, Pd–; containing 2-O-methylsuperlatolic acid (major), lichexanthone (minor to major), 2-chlorolichexanthone (minor to major), 2-O-methyl-hyperlatolic acid (minor to major), 2-O-methylperlatolic acid (minor), perlatolic acid (trace) and stenosporic acid (trace). | ||
A very rare, corticolous species in northern N.T.; also in Brazil, Venezuela, Cuba and Papua New Guinea. | ||
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Archer (2004b) |
Checklist Index |
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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