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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 impolita P.M.McCarthy
  Nova Hedwigia 58: 394 (1994). T: Antarctic Beech Walk, Wiangaree Forest Drive, Tweed Ra., N.S.W., 28°24'S, 153°05'E, 3 Aug. 1988, G.Kantvilas 652c/88; holo: HO; iso: NSW.  
  Thallus epiphloeodal, diffuse to determinate, medium greyish green, matt, smooth to minutely uneven, continuous, 20–40 µm thick, ecorticate; prothallus not apparent. Algae Trentepohlia; cells 6–24 × 6–16 µm. Perithecia almost superficial, strongly convex, hemispherical or subglobose, 0.22–0.4 (–0.62) mm diam., pale to medium orange-brown; apex rounded or somewhat flattened; ostiole inconspicuous or in a 40–60 µm wide depression or slightly papillate. Involucrellum contiguous with the exciple and extending to exciple base level, 40–70 µm thick, overgrown by a thin thalline layer, K– or K+ reddish brown. Exciple 16–30 µm thick, hyaline. Centrum 0.14–0.29 mm wide. Asci ±cylindrical, 78–134 × 12–24 µm. Ascospores fusiform-cylindrical, 7-septate, 25–60 × 5–10.5 µm, with or without a distinct perispore. Pycnidia not seen.
  Endemic to south-eastern Qld, north-eastern N.S.W. and southern Tas.; corticolous on the trunks of subtropical rainforest trees and on twigs in cool-temperate rainforest.  
  McCarthy (2001b)  

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

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