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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 wilsonii Zahlbr.
  Cat. Lich. Univ. 3: 160 (1924)
Leptogium denticulatum Wilson, Bot. Bull. Dept. Agric. 7: 28 (1891) [non L. denticulatum Nyl.]. T: Southport, Qld, F.Wilson; holo: NSW.
  Thallus foliose, closely to loosely adnate, c. 4 cm wide, 20–50 µm thick, bluish leaden grey. Lobes rotund to oblong, ±undulate, 2–5 mm wide; margins undulate-crispate, ±lobulate. Upper surface finely wrinkled, matt, ±pustulate, older parts lobulate; isidia absent; lobules rotund to oblong, ±branched; wrinkles closely anastomosing. Lower surface not lobulate; rhizines minute or absent. Apothecia small; disc concave, red brown; thalline exciple elevated, subfimbriate–crenulate, pale. Ascospores fusiform, ellipsoidal, submuriform, to 20 × 8 µm; apices attenuate, one apex more so. Pycnidia ±submarginal. Conidia 3–4 µm long; apices not swollen.
  Known from bark in Christmas Is, and NE Qld; endemic.  
  Verdon (1992b)  

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

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