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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 philorheuma F.Wilson
  Proc. Roy. Soc. Victoria 5: 157 (1893)
T: Lorne, Vic., May 1887, F.R.M.Wilson; lecto: MEL; iso: BRI, BM, fide D.Verdon, Mycotaxon 37: 437 (1990).
  Thallus foliose, loosely adnate or subpulvinate, 1–6 cm wide, 80–150 µm thick, dull leaden grey to olivaceous or blackened. Lobes rotund to ±obovate, sometimes elongated, flat to ascending, undulate, 1.5–5 mm wide; margins entire or crenate, ±lobulate with ±laciniate lobules. Upper surface smooth or roughened, matt; isidia absent. Lower surface similar, concolorous, rhizines minute or absent. Apothecia laminal, ±sessile to adnate, 0.5–2 mm wide; disc concave to flat, ±convex at maturity, brown to dark brown or blackening; thalline exciple concolorous with thallus or pale cream, entire or with small irregular outgrowths. Ascospores 8 per ascus, ellipsoidal, submuriform, 20–27 × 8–10 µm; apices obtuse. Pycnidia submarginal. Conidia 2–3 µm long; apices not swollen.
  Usually grows on mossy rocks in beds or on banks of creeks or streams in Vic. and Tas.  
  Verdon (1992b)  

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

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