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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 pseudotetrapla (Pusswald) Elix

Fl. Australia 57: 660 (2009)

Hafellia pseudotetrapla Pusswald, in B.Marbach, Biblioth. Lichenol. 74: 280 (2000).

T: Peckmans Plateau, Katoomba, N.S.W., J.A.Elix 3201; holo: CANB.

  Thallus corticolous or lignicolous, 1–4 cm wide, thin, continuous, membranous to areolate, white, grey-white or pale yellow-grey, uneven or verrucose. Prothallus not apparent. Apothecia 0.2–1.2 mm wide, sessile; disc black, epruinose, plane or becoming convex; margin black, moderately thick, persistent or excluded in convex apothecia. Proper exciple brown. Epihymenium 10–20 μm thick, dark brown, K–. Hymenium 100–120 μm thick, inspersed with oil droplets. Hypothecium 40–50 μm thick, dark brown. Asci 2-spored, rarely 3-spored. Ascospores 1-septate, 38–61 × 15–24 μm, with moderately strong subapical and septal wall thickenings; outer wall strongly ornamented. Pycnidia not seen.
CHEMISTRY: Thallus K+ yellow, C–, P+ yellow; containing atranorin (major), diploicin (major), isofulgidin (minor), fulgidin (minor or trace).
  This species is common on bark in hinterland forest in W.A., S.A., N.S.W., Vic. and Tas. Also in Central America.  
  Elix (2009l)  

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

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