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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 crocatoides D.J.Galloway
  Graphis Scripta 5: 8 (1993). T: near summit, Mt Utuigatau, Taveuni, Fiji, 22 Apr. 1970, G.Degelius P-236; holo: UPS; iso: BM.  
  Thallus irregularly spreading, loosely attached, 4–8 cm wide. Lobes irregularly to complexly branched, discrete at apices, complex-imbricate centrally, 0.5–2.5 cm long, 2–5 (–8) mm wide; lobe margins sinuous, ragged, dentate-incised, ±richly phyllidiate-lobulate, occasionally with protruding yellow pseudocyphellae and slightly thickened below. Upper surface pale glaucous greyish when dry, dark slate-blue to blue-black when wet, undulate, matt, smooth, wrinkled to subfaveolate, maculate. Phyllidia common and conspicuous, mainly marginal, simple to coralloid-branched, to 3 mm long; fringing lobes with fragile finger-like proliferations. Maculae occasional to frequent, white or pale yellowish, ±distinctly reticulate, following shallow ridges or in faveolae (×10 lens). Medulla white. Photobiont Nostoc. Lower surface pale yellowish to buff, darkening centrally; tomentum thin to thick, whitish to grey or buff. Pseudocyphellae low-conical, scattered, to 0.1 mm diam.; margins only slightly raised; decorticate area yellow, plane to convex. Apothecia not seen in Australian material. CHEMISTRY: Pulvinic acid, pulvinic dilactone, 6α-acetoxyhopane-7β,22-diol (trace), 7β-acetoxyhopane-6α,22-diol (trace), hopane-7β,22-diol (trace), hopane-6α,7β,22-triol (major), tenuiorin, methyl gyrophorate, gyrophoric acid (trace), ±physciosporin (trace), stictic acid, cryptostictic acid and constictic acid.
  Occurs in south-eastern Qld and N.S.W. Also in Fiji, New Guinea and New Zealand.In Australia, an epiphyte of rainforest trees and shrubs or occasionally on rocks in montane rainforest at altitudes of 700–1400 m.  
  Galloway et al. (2001)  

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

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