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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 pleiotera Malme

Ark. Bot. 21A: 18 (1927)

Hafellia bahiana var. pleiotropa (Malme) Sheard, Bryologist 95: 82 (1992); Hafellia pleiotera (Malme) Marbach, Biblioth. Lichenol. 74: 274 (2000).

T: Cuiabá, Mato Grosso, Brazil, 23 Dec. 1892, G.O.A.Malme 2027B; holo: S.

  Thallus corticolous or lignicolous, 2–3 cm wide, thin, rimose and areolate, pale yellow-brown to yellow-grey, smooth or weakly verrucose. Prothallus not apparent. Apothecia 0.3–0.5 mm wide, sessile; disc black, epruinose, plane or becoming convex; margin black, moderately thick, persistent or excluded in convex apothecia. Proper exciple dark brown; inner zone somewhat paler. Epihymenium 10–15 μm thick, olive-green to blackish, K+ violet. Hymenium 90–100 μm thick, inspersed with oil droplets. Hypothecium 60–70 μm thick, brown-black. Asci 16-spored, rarely with 8 or 12 ascospores. Ascospores 1-septate, 12–18 × 5–7 μm, with weak subapical wall thickenings; outer surface smooth. Pycnidia not seen.
CHEMISTRY: Thallus K+ red, P+ yellow or yellow-orange; containing norstictic acid (major), connorstictic acid (minor or trace), ±methylpseudonorstictate (trace).
  Rare on bark in coastal forest in Qld. Also in Africa, South America and the Pacific (New Caledonia).  
  Elix (2009l)  

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

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