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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 elatinoides Räsänen
  Arch. Soc. Zool.-Bot. Fenn. Vanamo”3: 179 (1948). T: Eastern Creek, N.S.W., 1892, F.R.M.Wilson; syn: H. ****Lecanora elatinoides Räsänen var. straminea Räsänen, Arch. Soc. Zool.-Bot. Fenn. Vanamo”3: 180 (1948). T: Eastern Creek, N.S.W., 1892, F.R.M.Wilson; holo: H.  
  Thallus continuous or rimose, yellowish grey to greenish grey, epruinose, visible only at margins, otherwise dissolving into soredia. Soredia granular, yellowish green to yellowish grey; discrete soralia not forming, but almost the entire thallus becoming sorediate with age. Prothallus not visible or whitish grey. Apothecia sessile, 0.5–1.4 mm diam.; disc red-brown to orange-brown, epruinose; margin concolorous with the thallus, thin, rough, entire to verruculose, often dissolving into soredia. Cortex hyaline, inspersed with small crystals, 10–25 µm thick laterally and basally. Amphithecium with large crystals insoluble in KOH (pulicaris-type). Parathecium hyaline, 15 µm thick, with crystals. Epihymenium dark brown, with crystals (chlarotera-type); pigmentation soluble in KOH. Hymenium and subhymenium hyaline. Hypothecium yellowish. Paraphyses sparingly branched and thickened apically. Ascospores ellipsoidal to broadly ellipsoidal, 11.0–15.5 × 8.5–10.5 µm. CHEMISTRY: Thallus and apothecial margin K+ yellow, C+ orange, Pd+ orange; containing arthothelin (major), pannarin (major), usnic acid (submajor), asemone (minor), atranorin (minor), chloroatranorin (trace) and traces of unidentified terpenes.
  An Australasian, corticolous lichen known from north-eastern Qld and south-eastern N.S.W. and the North Island of New Zealand. It grows mainly in mangroves, coastal forests and along the margins of rainforest. It has been collected on Avicennia marina, Casuarina glauca and rainforest trees.  
  Lumbsch & Elix (2004)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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