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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 sulfurescens Fée
  Bull. Soc. Bot. France 20: 313 (1873). T: Rio de Janeiro, Brazil, A.Glaziou 3850; lecto: UPS, fide H.Vänskä, Ann. Bot. Fenn. 23: 136 (1986).  
  Thallus thin, plane, continuous to rimose-areolate, yellowish white to yellowish grey, epruinose. Soredia absent. Prothallus not visible. Apothecia immersed when immature, becoming subimmersed to slightly sessile, 0.3–0.6 (–1.1) mm diam.; disc pale orange to yellowish brown, not or slightly pruinose; margin concolorous with the thallus, thin to thick, entire. Cortex distinct, hyaline, ±gelatinous, inspersed with small crystals, 10–15 µm thick laterally and 20–25 µm thick basally. Amphithecium with large crystals insoluble in KOH (pulicaris-type). Parathecium hyaline, 10–15 µm thick, with numerous small crystals soluble in KOH. Epihymenium orange-brown to olive, c. 10–15 µm thick, with crystals (pulicaris-type); pigmentation soluble in KOH. Hymenium, subhymenium and hypothecium hyaline. Paraphyses sparingly branched and thickened apically. Ascospores narrowly ellipsoidal to ellipsoidal, 10.0–13.5 × 5.5–7.5 µm. CHEMISTRY: Thallus and apothecial margin K+ yellow, C–, Pd+ yellow; containing atranorin (major), gangaleoidin (major), chloroatranorin (minor), chlorolecideoidin (minor), leoidin (minor) and norgangaleoidin (trace).
  Occurs on siliceous rocks at coastal sites in eastern Qld. A pantropical species.  
  Lumbsch & Elix (2004)  

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

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