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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
Verrucaria meridionalis P.M.McCarthy
  Muelleria 8: 103 (1994). T: Wagonga Inlet picnic site, 7 km E of Narooma, Bodalla State Forest, Narooma District, N.S.W., 5 Feb. 1991, P.M.McCarthy 475; holo: MEL; iso: NSW.  
  Thallus epilithic, filmy, continuous, dark olive-green to black, 15–30 µm thick, ecorticate. Algae broadly ellipsoidal to globose, 4–7 × 4–6 µm. Prothallus black, discontinuous; basal layer absent. Perithecia superficial, hemispherical to subglobose, 0.24–0.45 mm diam., black; apex rounded; ostiole inconspicuous. Involucrellum contiguous with the exciple, usually at least partly covered by a thin layer of thallus, 30–60 µm thick at the apex, 70–100 µm thick at the base. Exciple 18–25 µm thick, brown-black. Centrum 0.15–0.2 mm wide. Periphyses 25–40 × 1.5–2.5 µm. Asci 36–42 × 12–17 µm. Ascospores ellipsoidal to ±globose, 7–12.5 × 5.5–10.5 µm.
  Occurs in south-eastern N.S.W.; an intertidal species growing on shale in the upper littoral. Also in Lord Howe Is.  
  McCarthy (2001h)  

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

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