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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 javanicum Mont.
  Syll. Gen. Sp. Crypt.: 379 (1856)
T: Sindoro, Java, F.Junghuhn; holo: L.
  Thallus foliose, loosely adnate or subpulvinate, 3–8 cm wide, 60–120 µm thick, pale to darkened leaden grey. Lobes rotund to ±oblong, ±undulate; apices ±recurved, 2–4 mm wide; margins entire or sinuate, undulate ±recurved. Upper surface ±matt, wrinkled, ±bullate, not isidiate; wrinkles fine, very closely anastomosing. Lower surface naked or with minute rhizines. Apothecia laminal to submarginal, pedicellate, 1.5–5 mm wide; disc concave to flat, reddish brown; thalline exciple smooth, ±cream; pedicel hollow, dilated, vertically plicate, attached at upper margin of thalline exciple. Ascospores ellipsoidal, 25–35 × 13–15 µm. Pycnidia submarginal to laminal. Conidia 2–3 µm long; apices ±swollen.
  Occurs in north-eastern Qld as far south as Hinchinbrook Is. The species is probably pantropical, being recorded from New Guinea, Indonesia, the Philippines, Central and South America and from India.  
  Verdon (1992b)  

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

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