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 nana (Kurok.) Elix & J.Johnst.
  iMycotaxon 29: 371 (1987); Parmelia nana Kurok., Bull. Natl Sci. Mus., ser. B, 11: 86 (1985); Paraparmelia nana (Kurok.) Elix & J.Johnst., Mycotaxon 27: 280 (1986). T: west of Midland Junction, Perth, W.A., 13 Dec. 1974, S.Nakanishi 1; holo: TNS.  
  Thallus small-foliose, becoming almost subcrustose towards centre, adnate to tightly adnate, ±forming small rosettes, to 3–6 cm wide. Lobes contiguous to imbricate, subirregular, irregularly branched, 0.7–2 mm wide; marginal lobes flat; apices ±rotund. Upper surface greenish yellow, darkening, flat to slightly convex, dull, emaculate, lacking soredia and isidia; older lobes irregularly or transversely fractured and areolae commonly formed. Medulla white. Lower surface flat, tan to brown; rhizines sparse, simple, short, c. 0.1 mm long, pale brown. Apothecia subpedicellate, 1–2 mm wide; disc concave, dark brown; thalline exciple smooth, narrow, ±crenulate. Ascospores 7–9 × 3.5–5 µm. Pycnidia common. Conidia bacilliform to sub-bifusiform, 5–6 × 0.5 µm. CHEMISTRY: cortex K-, UV-; medulla K+ yellow then dark red, C-, KC-, P+ yellow-orange; containing usnic acid, diffractaic acid (major), salazinic acid (minor), consalazinic acid (trace), barbatic acid (trace), 4-O-demethylbarbatic acid (trace), norstictic acid (trace), protocetraric acid (trace), constipatic acid (trace) and protoconstipatic acid (trace).
  Rare, endemic, on rock in the Darling Range of south-western W.A.  
  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