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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 bahiana Malme

Ark. Bot. 21A: 17 (1927)

Hafellia bahiana (Malme) Sheard, Bryologist 95: 82 (1992)

T: Rio Vermelho, Bahia, Brazil, G.O.A.Malme 12; lecto: S, fide J.W.Sheard, Bryologist 95: 82 (1992).

  Thallus corticolous or lignicolous, 1–3 cm wide, thin, continuous, membranous to areolate, white, grey-white or pale grey, uneven or occasionally verrucose. Prothallus not apparent except when abutting other species (then black). Apothecia common, 0.1–0.7 mm wide, sessile, contiguous or not; disc black, epruinose, plane or slightly convex; margin black, narrow, persistent. Proper exciple dark brown to brown-black, paler internally. Epihymenium 10–15 μm thick, olive to blue-green or dark olive-green, K+ violet. Hymenium 65–85 μm thick, inspersed with oil droplets. Hypothecium 35–80 μm thick, dark brown. Asci 8-spored. Ascospores 1-septate, 13–20 × 5.5–8.0 μm, often slightly elongated at the ends, 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).
  This mainly pantropical-subtropical species is common on bark and wood in coastal and hinterland forests in W.A., Qld and Tas. Also in Africa, North, Central and South America and the Pacific (the Hawaiian Islands, New Caledonia and Tahiti).  
  Elix (2009l)  

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

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