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
Cryptothecia scripta G.Thor

Symb. Bot. Upsal. 32(1): 285 (1997)

T: c. 2.5 km N of the Landing Quarantine Stn, 7.5 km E of Darwin, N.T., 12°29’S, 130°54’E, corticolous in mangrove forest, 6 Dec. 1985, G.Thor 5915; holo: CANB; iso: UPS n.v.

  Thallus to 4–7 cm wide, adnate, smooth, dull greenish grey to yellowish grey, with soft scattered paler sometimes slightly raised areas forming lines or branched patterns, to 0.3 mm thick; isidia absent; globose granules spread over the thallus, to 0.1 mm diam. Prothallus distinct, byssoid, of mainly radiating hyphae, whitish or with a brownish tinge. Photobiont cells solitary or a few cells aggregated, 8–17 × 5–12 μm. Medulla distinct, white. Ascigerous parts common, in slightly raised areas, white with darker dots indicating individual asci. Asci weakly aggregated, 1-spored, sometimes covered by blackish amorphous tissue enclosed by whitish hyphae. Ascospores ovoid, 54–73 × 19–27 μm. Pycnidia rare, solitary, immersed to slightly elevated. Conidia bacilliform, 5–7 × c. 1 μm.
CHEMISTRY: Thallus K–, C+ red, KC+ red, P–, UV+ pale grey-white; pigmented areas K+ purple; containing gyrophoric acid (major), ovoic acid (major or minor), lecanoric acid (minor).
  Common on bark in monsoon vine forest in the N.T. and in montane rainforest in eastern Qld and north-eastern N.S.W. Also in Norfolk Island and Papua New Guinea.  
  Elix (2009c)  

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