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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 wisangerensis Elix & J.Johnst.
     
  Mycotaxon 29: 368 (1987). T: WSW of Emu Bay, Kangaroo Island, S.A., 27 Oct. 1985, J.A.Elix 19648 & L.H.Elix; holo: CANB; iso: MEL.  
     
  Thallus foliose, adnate to tightly adnate, to 3–6 cm wide. Lobes imbricate, flat, irregular to sublinear-elongate, irregularly branched, 1–2 (–3) mm wide; laciniae in thallus centre, linear-elongate, subdichotomously branched, subterete, revolute, canaliculate below, 0.2–0.5 mm wide. Upper surface yellow to pale yellow-green, shiny, emaculate, lacking soredia and isidia; lobe margins black near apices. Medulla white. Lower surface pale tan, with lobe apices often darkening to dark grey; rhizines sparse to moderately dense, simple, slender, brown. Apothecia subpedicellate, 1–3 mm wide; disc deeply concave, dark brown; thalline exciple smooth, thick, entire, involute and becoming crenulate to dentate. Ascospores 7–10 × 5–6 mm. Pycnidia common. Conidia sub-bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, P+ yellow; containing usnic acid, norstictic acid (major), salazinic acid (major), connorstictic acid (minor) and consalazinic acid (minor).
     
  Very rare, endemic, known only from the type collection. Grows on rock.  
     
   
     
     
  Elix (1994z)  

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