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 dissitifolia Kurok. ex Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 228 (1986). T: south of Collie, W.A., S.Kurokawa 6642; holo: TNS; iso: MEL.  
  Thallus small-foliose, tightly adnate, to 2–4 cm wide. Lobes rarely imbricate, radiating at periphery, flat, linear-elongate, dichotomously or subdichotomously branched, 0.3–0.7 (–1) mm wide; central lobes eventually eroding. Upper surface yellow-green, darkening with age, shiny, emaculate, lacking soredia and isidia; older lobes transversely fractured and areolae commonly formed; lobe margins distinctly blackened. Medulla white. Lower surface black; rhizines moderately dense, simple, black. Apothecia subpedicellate, 1–2 mm wide; disc slightly concave becoming flat or convex, dark brown to blackish; thalline exciple thin, entire then undulating or denticulate. Ascospores 8 × 5–6 µm. Pycnidia not seen. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ yellow; containing usnic acid, norstictic acid (major), connorstictic acid (minor) and ±salazinic acid (trace).
  Rare, occurs in N.S.W., A.C.T. and in coastal areas and the adjacent hinterland of south-western W.A., Tas. and Bass Strait Islands; also in South Africa. Grows on exposed rock.  
  Elix (1994z)  

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

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