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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
Leptogium enkarodes Verdon
  Mycotaxon 37: 414 (1990)
T: Mt Lawes, 18 km NW of Port Moresby, Central Province, P.N.G., H.Streimann 14694; holo: CBG, iso: H, LAE.
  Thallus ±pulvinate, 1–5 cm wide, 70–500 µm thick, leaden grey, or blackened. Lobes ±anastomosing, rotund to oblong, ascending to erect, ±plicate or conduplicate and twisted, variably thickened; apices ±recurved; margins entire, thickened, ±plicate ±obscure; surfaces matt, prominently wrinkled and ridged; isidia absent; wrinkles ±intricately plicate, appearing convoluted, anastomosing, forming pycnidial conidiomata-tipped lobules or accessory lobes. Lower surface with sparse minute holdfasts. Apothecia submarginal, 1.5–4 mm wide, immersed to upper margin of thalline exciple in ±pedicel like, thickened tissue; disc concave to flat, reddish brown; thalline exciple cream. Ascospores ellipsoidal to broadly ellipsoidal, muriform, 22–35 × 12–15 µm; apices acute. Pycnidia submarginal to marginal. Conidia 2–5 µm long; apices swollen.
  A rare species in Papua New Guinea and N Qld, growing on bark of trees in savannah woodlands or at the edges of poor rainforest.  
  Verdon (1992b)  

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

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