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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
     
     
Parmelia tenuirima Hook.f. & Taylor
     
  London J. Bot. 3: 645 (1844). T: van Diemen's Land [Tas.], R.C.Gunn s.n.; lecto: FH; isolecto: BM, fide M.E.Hale, Smithsonian Contr. Bot. 66: 48 (1987). Parmelia tenuiscypha Taylor, London J. Bot. 6: 175 (1847). T: Macquarie River, N.S.W., Jan. 1836, R.Ball; lecto: FH; isolecto: G, fide M.E.Hale, loc. cit.  
     
  Thallus loosely adnate to adnate, thin, rather firm, to 8–60 cm wide. Lobes imbricate, subirregular, 4–25 mm wide. Upper surface pale to dark greenish grey, shiny, sometimes coarsely white-maculate, smooth to foveolate in older parts, continuous but cracking along old pseudocyphellae, without soredia and isidia; pseudocyphellae mainly laminal, uniformly scattered, effigurate, fairly small but conspicuous, separate. Lower surface sparsely to moderately rhizinate; rhizines simple to densely squarrosely branched, 1–1.5 mm long. Apothecia common, pedicellate, 5–15 mm wide; disc concave then flat, becoming radially split and sometimes perforate; thalline exciple rugose, pseudocyphellate. Ascospores 12–15 × 8–10 µm. Pycnidia common. Conidia bacilliform, 5.5–7 × 1 µm long. CHEMISTRY: cortex K+ yellow; medulla K+ yellow then red, C-, P+ orange; containing atranorin, chloroatranorin, salazinic acid (major) and consalazinic acid (minor).
     
  A common species in south-eastern Australia (N.S.W., A.C.T., Vic. and Tas.), rarer in W.A.; also occurs in Macquarie Is. and New Zealand. Grows on bark.  
     
   
     
     
  Elix (1994o)  

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