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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 rechingeri Zahlbr.

Denkschr. Kaiserl. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 81: 274 (1907)

Hafellia rechingeri (Zahlbr.) Marbach, Biblioth. Lichenol. 74: 283 (2000).

T: road between Assau and Sataua, Sawai [Savai’i], [Western] Samoa, 1905, K & L.Rechinger 2644; lecto: W, fide A.Mangold, J.A.Elix & H.T.Lumbsch, Fl. Australia 57: 660 (2009).

  Thallus corticolous or lignicolous, 2–5 cm wide, thick, glossy, cartilaginous or scaly, weakly rimose, white, pale grey or yellow-grey, smooth. 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, dark brown to blackish, K–. Hymenium 60–80 μm thick, inspersed with oil droplets. Hypothecium 70–100 μm thick, brown-black. Asci 8-spored. Ascospores 1-septate, 12–18 × 4–6 μm, with weak to moderately strong subapical wall thickenings; outer surface weakly ornamented. 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 tropical W.A., N.T. and Qld; also in Western Samoa.  
  Elix (2009l)  

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

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