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 alba Lumbsch
  in H.T.Lumbsch, G.B.Feige & J.A.Elix, Bryologist 98: 565 (1995). T: Myora Springs, North Stradbroke Is., Qld, R.W.Rogers & G.N.Stevens; holo: BRI.  
  Thallus continuous to verruculose, yellowish grey to greenish white or whitish grey, epruinose. Soredia absent. Prothallus blackish brown. Apothecia sessile, 0.5–1.2 mm diam.; disc red-brown to brown, epruinose; margin concolorous with the thallus, smooth, verruculose. Cortex hyaline, distinct, inspersed with numerous small crystals, 10–20 µm thick laterally and basally. Amphithecium with large crystals insoluble in KOH (pulicaris-type). Parathecium hyaline, with crystals soluble in KOH, 15–20 µm thick. Epihymenium red-brown, K–, without crystals (glabrata-type), c. 10–15 µm thick, with a c. 2.5 µm thick hyaline layer above. Hymenium, subhymenium and hypothecium hyaline. Paraphyses sparingly branched and thickened apically. Ascospores ellipsoidal, 9.5–13.0 × 5.5–7.5 µm. CHEMISTRY: Thallus and apothecial margin K+ yellow, C+ orange, Pd+ yellow; containing arthothelin (major), atranorin (major), usnic acid (major), chloroatranorin (minor), 2,4-dichloronorlichexanthone (minor) and 2,5-dichloronorlichexanthone (minor).
  A scattered, endemic species in eastern Qld and N.S.W.; grows in mangroves and rainforest margins on the bark of various trees including Alphitonia, Araucaria, Casuarina, Ceriops and Eucalyptus.  
  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