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 sticticus (Körb.) Müll.Arg.

Bull. Herb. Boissier 2, App. 1: 52 (1894)

Urceolaria stictica Körb., Abh. Schles. Ges. Vaterl. Cult. Abth. Naturwiss. 40(2):32 (1863).

T: “Neuholland, comm. Hochstetter” [Australia]; lecto: M, fide H.T.Lumbsch & J.A.Elix, Pl. Syst. Evol. 167: 198 (1989).

  Thallus epilithic, to c. 1.4 mm thick, dark bluish grey to bluish brown or bronze-coloured, dull to glossy, smooth, rimose-areolate. Epinecral layer to c. 40 µm thick. Algal layer continuous, well developed; calcium oxalate crystals sparse, scattered, small. Vegetative propagules not seen. Ascomata conspicuous, blackish, to c. 0.75 mm diam., ±rounded, perithecioid, solitary, immersed. Disc not visible from above. Pores minute, 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 120–160 µm thick, not inspersed, moderately conglutinated; lateral paraphyses conspicuous, to c. 30 µm long. Epihymenium hyaline to pale brown, egranulose. Asci 6–8-spored. Ascospores ellipsoidal, with subacute ends, brown, non-amyloid, 19–29 × 10–15 µm, with 4–6 × 1–2 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 gyrophoric acid (major), orsellinic acid (minor), lecanoric acid (minor).
  Occurs on exposed, siliceous rocks in all States and the A.C.T.; subcosmopolitan.  
  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