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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
Polyblastia australis P.M.McCarthy
  Muelleria 8: 269 (1995). T: near Vale R., Vale of Belvoir, 5 km NE of Mayday Mount, Tas., 21 May 1993, P.M.McCarthy 645 & G.Kantvilas; holo: MEL; iso: HO.  
  Thallus granular, diffuse, matt, uneven, pale grey to pale grey-green, 30-60 µm thick, ecorticate; prothallus not apparent. Perithecia semi-immersed to superficial and attenuated at the base, 0.42–0.65 mm diam., dull black, obpyriform, with a minutely uneven surface; apex usually somewhat flattened. Involucrellum absent. Exciple 40–70 µm thick at the base and sides, 60–90 µm thick near the apex, brown-black in its outer half, paler within. Centrum 0.25–0.45 mm wide. Periphyses 30–70 µm long. Asci 8-spored, 90–125 × 35–45 µm. Ascospores submuriform, with 6–9 transverse septa and each transverse loculus with (0–) 1 (–2) longitudinal septa, broadly ellipsoidal to elongate-ellipsoidal or broadly fusiform, 30–56 × 13–22 µm, pale brown at maturity.
  Endemic to Tas.; grows on soil and moribund bryophytes in limestone crevices. Known only from the type locality.  
  McCarthy (2001e)  

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

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