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
Lecanora marginata (Schaer.) Hertel & Rambold
  Bot. Jahrb. Syst. 107: 494 (1985); Lecidea marginata Schaer., Natur. Anz. Allg. Schweiz. Ges. Naturw. 2: 10 (1818). T: Susten, Switzerland, L.M.Schaerer; topo: M.  
  Thallus rimose to rimose-areolate, yellowish white to pale yellow, epruinose. Soredia absent. Prothallus black. Apothecia sessile to constricted at the base, 0.8–1.6 mm diam.; disc blackish brown, slightly grey-pruinose; margin blackish brown, thin, entire, distinct at first, later becoming excluded. Cortex and algal cells absent. Excipulum 70–150 µm thick basally, 30–80 µm thick laterally, lacking crystals; inner part hyaline; outer part grey-green. Epihymenium dark green to olivaceous, K–, without crystals, c. 8–12 µm thick. Hymenium, subhymenium and hypothecium hyaline. Paraphyses sparingly branched and thickened apically. Ascospores ellipsoidal, 8.0–12.0 × 4.5–6.0 µm. CHEMISTRY: Thallus and apothecial margin K+ yellow, C–, Pd+ yellow; medulla: K–, C–, Pd+ yellow; containing atranorin (major), usnic acid (major) and chloroatranorin (minor).
  In Australia this bipolar species occurs on exposed, siliceous rocks in the alpine zone in N.S.W. and Vic.  
  Lumbsch & Elix (2004)  

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