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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
Pseudocyphellaria multifida (Nyl.) D.J.Galloway & P.James
  Lichenologist 12: 301 (1980); Sticta multifida Nyl., Syn. Meth. Lich. 1(2): 363 (1860); Sticta dissecta aurer, Linnaea 2: 41 (1827) non S. dissecta (Sw.) Ach., Methodus 279 (1803). T: New Holland [Australia], F.Sieber 45; lecto: BM, fide D.J.Galloway, Bull. Brit. Mus. (Nat. Hist.), Bot. 17: 199 (1988); isolecto: BM, G, L, PC-LENORMAND, PC-THURET.  
  Thallus irregularly spreading, loosely attached, 2–10 (–15) cm wide. Lobes narrow, 0.5–3 (–5) cm long, 1–5 (–10) mm wide, complexly branched, entangled-imbricate, ±discrete at margins; lobe margins entire, ragged, incised, richly phyllidiate, slightly thickened below and occasionally ridged above. Upper surface greenish grey to buff-brown when dry, lettuce-green to dark emerald-green when wet, smooth, undulate, occasionally shallowly wrinkled or pitted, minutely white-papillate (×10 lens), occasionally maculate, without pseudocyphellae or soredia. Phyllidia common, often obscuring thallus, marginal or regenerating from laminal cracks or tears, simple to richly divided, squamiform to strap-like. Medulla white. Photobiont green. Lower surface whitish to pale buff and glabrous at margins, darker centrally with a short white velvety patchily developed tomentum. Pseudocyphellae scattered, white, fleck-like, most noticeable at margins (×10 lens). Apothecia uncommon, sessile, 0.5–4 mm diam.; disc pale to dark red-brown, matt, epruinose; exciple roughened-papillate; epithecium yellow-brown, K+ olive-brown; hymenium colourless; hypothecium hyaline to pale straw-yellow, K–. Ascospores broadly fusiform-ellipsoidal, 1–3-septate, 23–34 × 9–11 µm, pale yellow-brown. CHEMISTRY: 7β-acetocyhopane-22-ol, hopane-7β,22-diol (trace) and hopane-15α,22-diol.
  Common in wet forest and alpine heath in eastern N.S.W., southern Vic. and, especially, in Tas. Also in Malesia and New Zealand.  
  Galloway et al. (2001)  

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

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