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 gregaria (Elix & J.Johnst.) Elix
  Mycotaxon 87: 399 (2003)
Paraparmelia gregaria Elix & J.Johnst., Brunonia 9: 143 (1987). T: Merricumbene Creek, Monga State Forest, S of Monga, N.S.W., 25 Oct. 1983, J.A.Elix 11595 & H.Streimann; holo: CANB; iso: CANB, MEL.
  Thallus subcrustose, tightly adnate throughout, to 1–2 cm wide. Lobes imbricate or not, linear-elongate, subirregularly to subdichotomously branched, 0.2–0.8 (–1) mm wide. Upper surface pale grey, blackening, almost flat to weakly convex, dull in thallus centre, shiny and commonly black-margined towards lobe apices, ±smooth at periphery, becoming fissured, transversely cracked, rugose and eventually areolate towards thallus centre, emaculate, without soredia; isidia sparsely cylindrical, simple, less than 0.2 mm tall; isidia apices often black-tipped, syncorticate, intact. Lower surface black, sometimes brown towards lobe apices; rhizines moderately dense, simple, occasionally projecting beyond margins and the margins appearing spuriously ciliate, black. Apothecia and pycnidia not seen. CHEMISTRY: cortex K+ yellow; medulla K-, C+ red, P-; containing atranorin, chloroatranorin, lecanoric acid (major) and orsellinic acid (trace).
  A rare endemic species, found on exposed rock in several widely separated localities in eastern Australia (N.S.W. and Qld).  
  Elix (1994n)  

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