Jump to content

Medulla (lichenology)

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Yobot (talk | contribs) at 19:31, 20 January 2011 (Fixed/removed {{expand}} + WP:CHECKWIKI error fixes + general fixes, removed: {{expand|date=April 2010}} using AWB (7552)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

The medulla is a horizontal layer within a lichen thallus. It is a loosely arranged layer of interlaced hyphae below the upper cortex and photobiont zone, but above the lower cortex.[1] The medulla generally has a cottony appearance. It is the widest layer of a heteromerous lichen thallus.

References

  1. ^ Galloway, D.J. (1992). Flora of Australia - Lichen Glossary http://www.anbg.gov.au/glossary/webpubl/lichglos.htm