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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
IImshaugia evernica (Elix & J.Johnst.) Elix
  Mycotaxon 47: 127 (1993)
Parmeliopsis evernica Elix & J.Johnst., Mycotaxon 31: 495 (1988). T: N of Queanbeyan, N.S.W., 11 Oct. 1983, J.A.Elix 11405; holo: CANB.
  Thallus to 3–5 cm wide. Lobes sublinear, irregularly branched, narrow, 0.8–1.5 mm wide. Upper surface pale ash-grey, dull, flat or shallowly pitted, slightly cobwebby under strong magnification (x 50), emaculate; isidia short, granulose, degenerating and coalescing to form a dense mass of soredia in centre of thallus. Lower surface ivory to pale brown; rhizines moderately dense to dense, simple, tufted or not, concolorous. Apothecia not seen. Pycnidia emergent at or near margins, to 0.1 mm wide. Mature conidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C-, KC+ red, P-; containing atranorin, chloroatranorin and evernic acid.
  This very rare endemic is currently only known from the type collection. Grows on dead wood.  
  Elix (1994i)  

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

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