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
Diploschistes microsporus Lumbsch & Elix

Biblioth. Lichenol. 86: 124 (2003)

T: Mountain Ck, Jimberoo State Forest, 14 km NNE of Rankins Springs, N.S.W., H.Streimann 44876; holo: CANB.

  Thallus epilithic, to c. 0.7 mm thick, grey to greenish grey, dull to slightly glossy, smooth, rimose-areolate, epruinose. Epinecral layer to c. 30 µm thick. Algal layer continuous, well developed; calcium oxalate crystals sparse, scattered, small. Vegetative propagules not seen. Ascomata conspicuous, blackish brown, to c. 0.7 mm diam., ±rounded, perithecioid, solitary, immersed. Disc not visible from above. Pores small, to c. 0.1 mm diam., ±rounded; inner and apical proper exciple visible from above, free, black, epruinose. Thalline rim margin thin, ±rounded, concolorous with and having the same surface features as the thallus, immersed. Proper exciple free, thick, blackish brown, non-amyloid. Hymenium 90–120 µm thick, not inspersed, moderately conglutinated; lateral paraphyses conspicuous, to c. 30 µm long. Epihymenium hyaline to pale brown, egranulose. Asci 4–6-spored. Ascospores broadly ellipsoidal, with ±rounded ends, brown, non-amyloid, 10–18 × 8–13 µm, with 2–5 × 1–3 locules; locules ±rounded to angular; septa thick, regular; ascospore wall thin to thick; endospore thick. Pycnidia not seen.
CHEMISTRY: Thallus K–, C+ red, P–; containing lecanoric acid (major), diploschistesic acid (minor), ±gyrophoric acid (minor), orsellinic acid (minor).
  On exposed, siliceous rocks in south-eastern Qld and eastern N.S.W.; endemic.  
  Mangold et al. (2009)  

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