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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 inconstans P.M.McCarthy
  Lichenologist 27: 109 (1995). T: Vale R., Vale of Belvoir, 5 km NE of Mayday Mount, Tas., 41°33'S, 146°53'E, 21 May 1993, P.M.McCarthy 654 & G.Kantvilas; holo: MEL; iso: HO, MEL.  
  Thallus epilithic, sparingly rimose to deeply areolate, matt, smooth, medium grey-green to very dark grey-brown, 0.08–0.18 (–0.4) mm thick, corticate. Algae vertically elongate to subglobose, 4–11 × 4–8 µm. Prothallus not apparent; basal layer brown-black and 0.1–0.25 (–0.35) mm thick or absent. Perithecia one-third to two-thirds immersed, 0.18–0.35 (–0.4) mm diam., brown-black; ostiole inconspicuous or in a broad shallow depression. Involucrellum contiguous with the exciple, 60–100 (–120) µm thick. Exciple 15–25 µm thick, usually hyaline at the base and sides, pale to dark brown above. Centrum 0.1–0.2 mm wide. Periphyses 20–30 × 1.5–3 µm. Asci 53–65 × 16–20 µm. Ascospores subcylindrical to ellipsoidal, 12–20 × 5.5–9.5 µm.
  Occurs on aquatic and semi-aquatic limestone and dolerite in Tas. Also in the South Island, New Zealand. .  
  McCarthy (2001h)  

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

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