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 | ||
| Lecanora mobergiana Lumbsch & Elix | ||
| Mycotaxon 67: 398 (1998). T: The Knoll, Walpole-Nornalup Natl Park, W.A., 23 Feb. 1992, R.Moberg A19:10 & B.Owe-Larsson; holo: UPS. | ||
| Thallus continuous to dispersed-verrucose or verruculose, yellowish white to yellowish grey, epruinose, sorediate. Soredia farinose, 15–25 µm diam.; soralia roundish, pale yellow to yellowish white, convex to hemispherical, 0.6–1.5 mm wide, coalescing and finally covering most of the thallus. Prothallus whitish grey. Apothecia sessile, 0.4–0.8 mm diam.; disc red-brown, epruinose; margin concolorous with the thallus, thin, entire, ±verrucose, sorediate. Cortex hyaline, inspersed with numerous small crystals, 25–35 µm thick laterally and basally. Amphithecium with small and large crystals (melacarpella-type); small crystals soluble in KOH. Parathecium hyaline, without crystals, 10–15 µm thick. Epihymenium red-brown, K–, without crystals (glabrata-type), c. 10–15 µm thick, with a 2 µm thick hyaline layer above. Hymenium, subhymenium and hypothecium hyaline. Paraphyses sparingly branched and thickened apically. No mature ascospores seen. CHEMISTRY: Thallus and apothecial margin K+ yellow, C–, Pd+ yellow; containing atranorin (major), usnic acid (minor) and dissectic acid (trace). |  |
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| This species is only known from the type locality in south-western W.A. where it grows on siliceous, seashore rocks. | ||
| Lumbsch & Elix (2004) | ||
| Checklist Index |
| Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References |
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