Department of the Environment and Water Resources home page

About us | Contact us | Publications | What's new

Header imagesHeader imagesHeader images

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
     
     
Hypotrachyna immaculata (Kurok.) Hale
     
  Smithsonian Contr. Bot. 25: 41 (1975); Parmelia immaculata Kurok. in M.E.Hale & S.Kurokawa, Contr. U.S. Natl Herb. 36: 178 (1964). T: Zoutpausberg, South Africa, 11 Oct. 1953, O.Almborn 6551; holo: LD; iso: US.  
     
  Thallus loosely adnate to adnate, rather fragile, to 5–7 cm wide. Lobes contiguous, sublinear, subdichotomously branched, 1.5–3 mm wide; margins entire; apices incised. Upper surface whitish grey, flat, shiny, emaculate, smooth, without pustules or isidia; soralia subterminal, large and capitate, 1–2 mm wide, often ochraceous below. Medulla mostly white, orange-brown below soralia. Lower surface densely rhizinate; rhizines densely dichotomously branched. Apothecia rare, sessile, 2–3 mm wide; thalline exciple sorediate. Ascospores 10–14 × 4–7 µm. Pycnidia not seen. CHEMISTRY: cortex K+ yellow, UV-; medulla K- or K+ pale reddish, C-, KC+ rose, P-, UV-; containing atranorin, chloroatranorin, colensoic acid (major or minor), 4-O-methylphysodic acid (major or minor), lividic acid (minor or major), physodic acid (minor) and oxyphysodic acid (minor).
     
  Common in moist habitats in eastern Australia (Qld, N.S.W., A.C.T., Vic. and Tas.); a temperate–tropical species also known from South America and Africa. Grows on bark and rock.  
     
   
     
     
  Elix (1994h)  

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

This work is copyright. Apart from any use as permitted under the Copyright Act 1968, no part may be reproduced by any process without prior written permission from Australian Biological Resources Study. Requests and inquiries concerning reproduction and rights should be addressed in the first instance to Dr P. McCarthy. These pages may not be displayed on, or downloaded to, any other server without the express permission of ABRS.


Top | About us | Advanced search | Contact us | Information services | Publications | Site index | What's new