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 examplaris Elix & J.Johnst.
  in J.A.Elix, J.Johnston & P.M.Armstrong, Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 243 (1986). T: north of Pimba along the Stuart Highway, S.A., 8 Sept. 1983, J.A.Elix 11043A & L.A.Craven; holo: CANB.  
  Thallus foliose, adnate, to c. 5 cm wide. Lobes imbricate or not, mostly flat, sublinear, irregularly branched, 0.7–1.5 (–3) mm wide; some marginal lobes and laciniae subascending; upper surface weakly convex; lower surface canaliculate. Upper surface yellow to pale yellow-green, dull, irregularly cracked and older lobes becoming distinctly rugulose and markedly areolate, lacking maculae, soredia and isidia; lobe margins often blackened at apices. Medulla white. Lower surface straw-yellow to pale tan, often darkening to grey-black towards lobe apices; rhizines sparse, simple, brown. Apothecia subpedicellate, 1–4 mm wide; disc deeply concave then ±flat, dark brown; thalline exciple smooth, thick, entire, involute becoming thinner, crenulate to deeply incised. Ascospores 7 × 4–5.5 µm. Pycnidia common. Conidia bifusiform, 4–5 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, P+ intense yellow; containing usnic acid, salazinic acid, consalazinic acid and ± traces of protocetraric acid.
  Very rare, endemic, known from S.A. and N.S.W. Grows on 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