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
Haematomma stevensiae R.W.Rogers
  Lichenologist 14: 128 (1982). T: Eimeo Beech Ck, Sunset Beach, near Mackay, Qld, on bark of Rhizophora, 14 Aug. 1976, G.N.Stevens 2970; holo: MEL, n.v.  
  Thallus white to cream-coloured, yellow-grey to greenish grey, weakly to distinctly rugulose, ±rimose and areolate, 0.3–0.5 mm thick, corticate, esorediate. Apothecia sessile to subpedicellate, 1.0–2.5 mm wide, not confluent; disc orange to orange-red, epruinose; thalline margin prominent, thin, smooth to weakly crenulate. Ascospores fusiform, straight or slightly curved, 7–9 (–11)-septate, 40–60 × 3.5–5.5 µm. Conidia not seen. CHEMISTRY: Thallus K+ yellow, C–, KC–, Pd+ yellow; disc K+ red; containing atranorin, sphaerophorin (major), isosphaeric acid (minor) and russulone (minor).
  Endemic in mangroves and humid forest in north-eastern Qld; grows on the bark of Brachychiton, Bruguiera, Excoecaria, Rhizophora and Tristania.  
  Elix (2004c)  

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