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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
Bulbothrix lordhowensis Elix
  Mycotaxon 46: 231 (1995). T: Lord Howe Island, along track to Mutton Bird Point, 31°32’45”S, 159°05’E, 60 m, on dead canopy branches in dry lowland forest, J.A.Elix 32781, 21 June 1992; holo: CANB; iso: HO, MEL.  
  Thallus tightly adnate, 1-4 cm wide.  Lobes subcontiguous to occasionally imbricate centrally, linear to sublinear-elongate, (0.3-)0.5-1.0 mm wide; margins with dense, black, bulbate, simple or forked cilia.  Upper surface pale grey, plane to ±convex, becoming cracked with age, ±laciniate, moderately dense isidiate; isidia laminal, simple, less then 0.3 mm high, globose becoming cylindrical, apices syncorticate and black-tipped.  Medulla white.  Lower surface black, shiny, with moderate to dense, black, simple to dichotomously branched rhizines.   Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K- or K+ yellow, C-, P+ yellow-orange; containing atranorin, chloroatranorin, norstictic acid (major), two fluorescent unknowns (trace).
  Bulbothrix lordhowensis appears to be endemic to Lord Howe Island, where it is uncommon on canopy branches of trees in lowland areas.  .  
  Elix (1995)  

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

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