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
Placidium squamulosum (Ach.) Breuss
  Ann. Naturhist. Mus. Wien 98B, Suppl.: 39 (1996). Endocarpon squamulosum Ach., Methodus 126 (1803); Catapyrenium squamulosum (Ach.) Breuss, Ber. Deutsch. Bot. Ges. 98: 389 (1985). T: Germania [Germany], Sprengel; lecto: H-ACH 855 (upper left-hand specimen) fide O.Breuss, Stapfia 23: 114 (1990)  
  Squamae usually appressed, scattered or contiguous, rounded to irregular, entire or lobate, usually plane, or with slightly raised margins, rarely convex or undulate, pale to dark brown, 2–7 mm wide, 0.2–0.45 mm thick. Lower surface pale to blackish, anchored by hyaline rhizohyphae, lacking rhizines. Perithecia to 0.65 mm diam. Exciple hyaline to pale yellowish brown, blackish near the ostiole. Periphyses 30–40 µm long. Asci 70–90 × 10–15 µm. Ascospores ellipsoidal, 12–16 × 5.5–7.5 µm. Pycnidia laminal, immersed, appearing as black dots. Conidia oblong-ellipsoidal, 3–5 µm long.
  Occurs in W.A., N.T., S.A., N.S.W., Vic. and Tas.; grows on soil and humus. A cosmopolitan species in all continents apart from Antarctica.  
  Breuss (2001c)  

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