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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
Cetrelia olivetorum (Nyl.) W.L.Culb. & C.F.Culb.
  Contr. U.S. Natl. Herb. 34: 515 (1968)
T: Parmelia olivetorum Nyl., Not. Sällsk Fauna Fl. Fenn. Förh. n. ser. 5: 180 (1866). T: Switzerland, coll. unknown; lecto: H-ACH, fide W.L.Culberson & C.F.Culberson, loc. cit. *****Parmelia nitescens Stirt., Scott. Naturalist (Perth) 4: 299 (1877–1878). T: near Brisbane, Qld, F.M.Bailey; lecto: BM; isolecto: BM, fide R.W.Rogers, Austrobaileya 1: 506 (1982).
  Thallus loosely adnate, to 6–14 cm wide. Lobes 5–18 mm wide. Upper surface pale grey, after long storage becoming light tan or brownish, sometimes slightly convex; pseudocyphellae abundant, laminal, punctiform, rarely exceeding 0.5 mm; soralia marginal, dense; soredia farinose. Lower surface black; margins rarely punctate, chestnut-brown or concolorous with upper surface; rhizines sparse, black. Apothecia not seen. (Culberson & Culberson (1968) report apothecia to be 1–7 mm wide, imperforate. Ascospores 12–15 × 7–10 µm). Pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C+ pink or red, KC+ red, P-; containing atranorin, chloroatranorin, olivetoric acid (major), anziaic acid (trace), 4-O-demethylmicrophyllinic acid (trace), and unidentified compounds (trace).
  In Australia this species is known from a single collection, on bark, from south-eastern Qld (type collection of P. nitescens); also occurs in North America, Europe, south-western China, Taiwan and Japan.  
  Elix (1994d)  

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

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