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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
Buellia fraudans (Starbäck) Elix

Fl. Australia 57: 659 (2009)

Karschia fraudans Starbäck, Bih. Kongl. Svenska Vetensk.-Akad. Handl. 25, Afd. 3(1): 10 (1899); Hafellia fraudans (Starbäck) Pusswald, in B.Marbach, Biblioth. Lichenol. 74: 269 (2000).

T: Santo Angelo prope Cachoeira, Rio Grande do Sul, Brazil, 26 Jan. 1893, G.O.A.Malme (Fung. Regnell. 215); holo: S.


Thallus corticolous or lignicolous, 1–4 cm wide, thin, continuous to rimose and ±areolate, whitish, grey-white, grey or pale yellow-brown, weakly to markedly verrucose. Prothallus black or not apparent. Apothecia 0.2–1.1 mm wide, sessile; disc black, epruinose, plane or becoming convex; margin black, moderately thick, persistent or excluded in convex apothecia. Proper exciple dark red-brown, paler in the inner part. Epihymenium 10–20 μm thick, brown, K–. Hymenium 120–150 μm thick, inspersed with oil droplets. Hypothecium 40–60 μm thick, dark brown. Asci 8-spored, occasionally with fewer ascospores. Ascospores 1-septate, 22–34 × 8–14 μm, with strong subapical and septal wall thickenings; outer wall smooth. Pycnidia not seen.

CHEMISTRY: Thallus K+ red, P+ yellow or yellow-orange; containing norstictic acid (major), connorstictic acid (minor or trace).
  Occurs on bark and wood in hinterland forest in eastern Qld and N.S.W. Also in South America and the Hawaiian Islands.  
  Elix (2009l)  

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

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