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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
Degelia flabellata P.M.Jørg. & P.James
  Biblioth. Lichenol. 38: 269 (1990)
T: trail to Nancy Peak, Porongurup Ra., W.A., 1982, J.A.Elix 10639; holo: BM.
  Thallus ±foliose, centrally squamulose, ±orbicular, ±loosely attached, 2–3 cm wide, pale grey-blue. Lobes to 0.3 cm wide, adjacent, deeply and repeatedly incised; segments ±parallel, often with secondary squamules centrally, apically distinctly flabellate; apices rounded with ±granular margins. Lower surface corticate, without well-developed rhizohyphae, pale to buff. Apothecia moderately common, to 1 mm wide; disc concave becoming flat with age, reddish brown to blackish with prominent paler proper exciple; thalline exciple variously developed, a crown-like structure of secondary lobules arising from base of apothecia; hymenium I+ blue. Ascospores simple, ellipsoidal, 10–15 × 5–8 µm, hyaline.
  Occurs on rocks, very rare, restricted to a small area in south-western W.A., and probably endemic in that region.  
  Jørgensen & Galloway (1992a)  

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

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