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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 canthicarpa P.M.McCarthy
  Fl. Australia 58A: 228 (2001). T: Palm Track, Eungella Natl Park, 2 km SE of Eungella, Qld, 21°09'S, 148°30'E, 19 Aug. 1999, H.Streimann 64177 (part); holo: CANB; iso: Herb. R.Lücking.  
  Thallus epiphyllous, rather inconspicuous, small and scattered or confluent and forming moderately large colonies, continuous, very thin, grey to medium greyish green, smooth, matt; prothallus not apparent. Algae Phycopeltis; cells ellipsoidal to oblong, 8–18 × 4–6 µm, not forming radiating plates. Perithecia superficial, hemispherical to subglobose and slightly attenuated at the base, 0.14–0.25 mm diam., brownish black to black, smooth, usually matt; base surrounded by a comparatively thick 40–60 µm wide pale grey-green to pale yellowish brown thalline rim; apex rounded; ostiole inconspicuous or in a minute papilla. Involucrellum extending almost to exciple base level, uniformly c. 25 µm thick, brown-black, sometimes with a thin thalline covering almost to the apex (visible in thin section only). Exciple 12–15 µm thick, brownish black. Centrum 0.1–0.18 mm wide. Asci cylindrical, cylindroclavate or narrowly obclavate, 65–75 × 9–12 µm. Ascospores bacilliform, oblong or narrowly fusiform, 3-septate, 17–30 × 3–4.5 µm; perispore not apparent. Pycnidia not seen.
  Known from Eungella National Park and the Atherton Tableland in north-eastern Qld; grows on leaves of climbers, shrubs and small trees in montane rainforest and forest remnants. Also in Vanuatu.  
  McCarthy (2001b)  

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

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