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
Parmotrema gardneri (C.W.Dodge) Sérus.
  Bryologist 87: 5 (1984);
Parmelia gardneri C.W.Dodge, Ann. Missouri Bot. Gard. 46: 179 (1959). T: Brazil, G.Gardner s.n.; holo: FH.
  Thallus loosely adnate to adnate, coriaceous, to 4–6 cm wide. Lobes imbricate, rounded, 8–15 mm wide; margins subascending, irregular, crenate, irregularly incised or sublaciniate, eciliate or rarely sparingly ciliate; cilia 0.2–0.5 mm long. Upper surface pale grey, dull, emaculate, becoming rugose, continuous or cracked, lacking isidia; soralia marginal, linear along margins to subcapitate on somewhat revolute lobes or short marginal laciniae, sometimes spreading submarginally; soredia granular. Medulla white. Lower surface rugose, black, with a broad, brown, erhizinate marginal zone; rhizines sparse, simple, slender, c. 0.1–0.2 mm long. Apothecia rare, laminal, sessile, 2–3 mm wide; disc imperforate, concave, dark brown; thalline exciple thick, eciliate, sorediate. Ascospores 18–22 × 8–10 µm. Pycnidia rare, punctiform. Conidia sublageniform, 6–7 × 1 µm. CHEMISTRY: cortex K+ yellow; medulla K+ dingy yellow then pale brown, C-, P+ orange-red; containing atranorin, chloroatranorin, protocetraric acid (major) and with or without unidentified fatty acids (minor).
  Scattered on bark of trees in Qld, extending also to Christmas Is., Lord Howe Is. and Norfolk Is. This pantropical species is also known from Africa, South America and Papua New Guinea.  
  Elix (1994t)  

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