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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
Xanthoparmelia microphyllizans Elix
  in Elix et al., Mycotaxon 74: 500 (2000). T: Tasmania: Deal Island, Kents Group, Bass Strait, summit, c. 500 m NE of Lighthouse Hill, 195 m, on exposed granite rocks, John Whinray 2741, 6 Nov. 1992; holo: MEL; iso: CANB.  
  Thallus foliose, tightly adnate, to 15 cm wide.  Lobes imbricate, flat, sublinear to irregular, irregularly branched, 1-3 mm wide; apices of the marginal lobes subrotund; margins ±laciniate-dissected; at the centre developing densely imbricate, mat-forming, sublinear-elongate, microphylline laciniae, 0.1-0.5 mm wide.  Upper surface yellow-green, darkening with age, dull in centre but shiny at lobe apices, emaculate, margins blackened, without isidia or soredia.  Medulla white.  Lower surface flat, smooth, ivory to brown, darkening at the lobe apices; rhizines sparse, simple, short, coarse, dark brown or black.  Apothecia not seen.  Pycnidia common, immersed.  Conidia bifusiform, 6-7 x 0.7-1 µm. CHEMISTRY: Cortex K-, medulla K-, C-, KC+ orange-pink, P-; containing usnic acid (major), norlobaridone (major), loxodin (minor).
  At present this species is known only from the type locality where it is apparently quite common.  
  Elix et al. (2000)  

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

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