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 clarkeana A.W.Archer | ||
| Mycotaxon 53: 280 (1995) Pertusaria confusa A.W.Archer, Mycotaxon 41: 224 (1991), nom. illeg., non P. confusa Zahlbr., Cat. Lich. Univ. 5: 134 (1928). T: Clarke Ra., 46 km SSW of Proserpine, Qld, 29 June 1986, H.Streimann 37465; holo: CANB; iso: B. |
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| Thallus off-white to pale yellowish white, wrinkled and cracked. Soredia and isidia absent. Apothecia numerous and crowded, disciform, adnate or rarely slightly stipitate, 0.5–1.5 mm diam.; disc rounded, somewhat sunken, plane, white-pruinose; margin concolorous with the thallus. Asci clavate, rarely fertile. Ascospores 1 per ascus, sublachrymoid to elongate-ellipsoidal, smooth, (100–) 135–150 (–175) × 30–55 µm; ascospore wall c. 1 µm thick. CHEMISTRY: Thallus K–, KC+ violet, C–, Pd–; containing lichexanthone (minor to major), with picrolichenic acid (minor) and subpicrolichenic acid (minor), or rarely with picrolichenic acid (minor), superpicrolichenic acid (minor) and hyperpicrolichenic acid (minor). | ||
| An endemic, corticolous species in eastern Australia (Qld and N.S.W.); mainly in mangroves (Avicennia, Bruguiera and Rhizophora), but also on Acacia, Argyrodendron and Casuarina. | ||
| Archer (2004b) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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