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
     
     
Xanthoparmelia norstrigosa Elix
     
  Mycotaxon 59: 414 (1996). T: Western Australia. Boyagin Rock, Boyagin Nature Reserve, 20 km NW of Pingelly, 32°28'S, 116°53'E, 350 m, on large exposed granite outcrops, J. A. Elix 40994, H. T. Lumbsch & H. Streimann, 11.ix.1994;  holo: CANB; iso: HO.  
     
  Thallus foliose, loosely adnate on rocks, 6-15 cm in wide.  Lobes  imbricate, subconvex, subirregular to linear-elongate, subdichotomously or irregularly divided; margins broadly sinuate, 1.5-4 (-8) mm wide.  Upper surface  yellow-green, shiny but becoming opaque and darkening with age, emaculate, lacking soredia and isidia but with numerous pycnidia, often black-margined particularly towards the apices of the lobes.  Medulla white.  Lower surface pale brown to dark blackish brown, with very dense, brush-like rhizines; rhizines brown to black, simple or often dichotomously branched.  Apothecia adnate or substipitate, 4-7 mm in wide; disc concave, dark brown; the margin involute at first but later becoming undulating and developing irregular cracks.  Ascospores ellipsoid, 8-10 x 4-6 µm.  Pycnidia common; conidia bifusiform, 5-7 x 0.5 µm. CHEMISTRY: Cortex K-;  medulla K+ yellow-red, C-, P+ orange;  containing usnic acid, norstictic acid (major), connorstictic acid (minor).
     
  This lichen is confined to south-western Western Australia, where it occurs on scattered granite inselbergs.  
     
   
     
     
  Elix (1996a)  

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