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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
Porina elegantula Müll.Arg.
  Bull. Herb. Boissier 1: 63 (1893). T: near Warrnambool, Vic., 1891, F.R.M.Wilson 951; holo: G.  
  Thallus epiphloeodal, continuous, pale to medium grey-green, matt, smooth to minutely uneven, 20–40 µm thick, ecorticate; prothallus not apparent. Algae Trentepohlia; cells 7–16 × 6–13 µm. Perithecia one-third immersed and hemispherical to superficial and subglobose, 0.17–0.3 mm diam., dull orange-brown to red-brown; apex rounded; ostiole inconspicuous or in a 20–30 µm wide papilla. Involucrellum contiguous with the exciple, sometimes incurved beneath, 23–40 µm thick, containing algae, K–. Centrum 0.13–0.19 mm wide. Exciple 10–15 µm thick, hyaline to pale yellow-brown. Asci narrowly cylindrical to narrowly obclavate, 70–85 × 7–8.5 µm. Ascospores filiform to ±acicular, (11–) 13–19 (–21)-septate, 42–65 × 2–3 µm; perispore not apparent. Pycnidia not seen.
  Occurs in south-western Vic., and on islands in the Bass Strait, Tas.; grows on the branches of shrubs; endemic.  
  McCarthy (2001b)  

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

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