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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 parastata (Nyl.) Zahlbr.

Cat. Lich. Univ. 7: 386 (1931)

Lecidea parastata Nyl., Bull. Soc. Linn. Normandie, sér. 2, 2: 92 (1868); Hafellia parastata (Nyl.) Kalb, H.Mayrhofer & Scheid., in K.Kalb, Lich. Neotrop. 9: 9 (1986).

T: Lifou, Loyalty Islands, New Caledonia, E.F.Déplanche s.n.; holo: H-NYL 11071.

  Thallus corticolous or lignicolous, 1–4 cm wide, thin, continuous to rimose and areolate, whitish, yellow-white, grey, grey-white or pale yellow-grey, smooth or weakly verrucose. Prothallus black or absent. Apothecia scattered, 0.6–1.4 mm wide, sessile; disc dark brown, rarely black, epruinose, plane or slightly convex; margin black, moderately thick, persistent or partly excluded in convex apothecia. Proper exciple dark brown. Epihymenium 15–25 μm thick, brown, K–. Hymenium 80–150 μm thick, densely inspersed with oil droplets. Hypothecium 40–60 μm thick, dark brown. Asci 8-spored, rarely 4- or 6-spored. Ascospores 1-septate, 30–41 × 12–21 μm; lumina often bent, with very strong subapical and septal wall thickenings; outer wall smooth. Pycnidia not seen.
CHEMISTRY: Thallus K+ yellow, C–, P+ yellow; containing atranorin (major), diploicin (major), isofulgidin (minor), fulgidin (minor or trace).
  This pantropical species occurs on bark and dead wood in coastal and hinterland areas of Qld. Also in North, Central and South America, Africa, Asia 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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