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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 mayrhoferi Elix
  Mycotaxon 65: 489 (1997). T: Queensland. Port Douglas, NE of Cairns, SE end of Island Point, ca. 20 m, on rock outcrops near the shore, H. Mayrhofer 11363 & E. Hierzer, 7.viii.1993;  holo: GZU.  
  Thallus small-foliose to subcrustose, saxicolous, tightly adnate, 1-2 cm wide.  Lobes congested, sublinear, irregularly branched, 0.2-0.4 mm wide, without lobules.  Upper surface  yellow-green, darkening with age, flat or weakly convex, dull, emaculate, commonly areolate towards thallus centre, lacking soredia; isidia moderately dense, globose, mainly simple, to 0.3 mm high, with apices epicorticate, inflated but rarely erumpent, not sorediose.  Medulla white.  Lower surface flat, brown, dark brown to black at apices; rhizines sparse, simple, stout, concolorous.  Apothecia and pycnidia not seen. CHEMISTRY: Cortex K-; medulla K-, C-, KC+ rose, P-; containing usnic acid (major), norlobaridone (major), subnorlobaridone  (minor).
  Known from W.A., Qld and N.S.W.  
  Elix (1997b)  

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

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