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
Hypotrachyna lividescens (Kurok.) Hale
  Phytologia 28: 341 (1974); Parmelia lividescens Kurok. in M.E.Hale & S.Kurokawa, Contr. U.S. Natl Herb. 36: 181 (1964). T: Polela Forest, Polela, Natal, South Africa, 10 Nov. 1953, O.Almborn 9490; holo: LD; iso: US, n.v., fide M.E.Hale & S.Kurokawa, loc. cit.  
  Thallus adnate, to 5–10 cm wide. Lobes separate at thallus circumference, flat, sublinear, dichotomously branched, 1.5–3 mm wide; margins subcrenate. Upper surface whitish grey to grey, flat, shiny on younger lobes, dull and irregularly cracked on older lobes, emaculate, without pustules and isidia; soralia mostly subterminal, orbicular, capitate. Medulla white. Lower surface sparsely to moderately rhizinate; rhizines moderately dichotomously branched. Apothecia not seen. [According to Hale & Kurokawa (1964) apothecia are rare, sessile, 2–3 mm wide; disc radially split, dark brown; thalline exciple sorediate. Ascospores 9–11 × 5–7 µm.] Pycnidia not seen. CHEMISTRY: cortex K+ yellow, UV-; medulla K-, C+ red, KC+ red, P-, UV-; containing atranorin, chloroatranorin and olivetoric acid (major).
  Rare in coastal forests of eastern Australia (N.S.W.); also occurs in South Africa. Grows on bark.  
  Elix (1994h)  

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