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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 poliophaeum Verdon
  Mycotaxon 37: 420 (1990)
T: Clump Point, 21 km NE of Tully, Qld, D.Verdon 5306: holo: CANB; iso: H.
  Thallus foliose, ±subsquamulose, closely adnate, 0.4–2 cm wide or coalescing to 5 cm, 27–60 µm thick, dull to dark grey. Lobes ±rotund, flat, 0.5–3 mm wide; margins entire to ±lobulate, ±isidiate. Upper surface, usually matt, smooth or roughened, isidiate; isidia squamuliform. Lower surface rarely isidiate, naked or with minute rhizines. Apothecia laminal, sessile or very shortly pedicellate, 0.5–1 mm wide; disc concave to flat, pale to very pale orange; thalline exciple smooth, not isidiate, pale cream to whitish. Ascospores 6–8 per ascus, ellipsoidal to narrowly ellipsoidal, submuriform, 17–25 × 6–10 µm; apices usually obtuse. Pycnidia submarginal. Conidia 2–3 µm long; apices rarely swollen.
  Occurs in Christmas Is. and in north-eastern Qld, less commonly in the south-east. Locally common. Prefers the bark of vine stems close to the forest floor or tree bases, in strand rainforest, coastal rainforest gullies or subcoastal mountain gullies of north-eastern and rarely south-eastern Qld.  
  Verdon (1992b)  

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

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