River jelly lichen  (Collema dichotomum)

Information supplied by English Nature:

http://www.englishnature.org.uk/

Glossary

Eutrophication: nutrient enrichment of aquatic or terrestrial ecosystems.

References

  1. Church, J. M., Coppins, B. J., Gilbert, O. L., James, P. W. and Stewart, N. F. (1996) Red Data Book of Britain and Ireland: Lichens, Vol. 1; Britain. JNCC, Peterborough. ISBN 1-86107-412-3
  2. UK Biodiversity. Species Action Plan (November 2001):
    http://www.ukbap.org.uk
  3. Purvis, O. W., Coppins, B. J., James, P. W. & Moore, D. M. (1992) The lichen flora of Great Britain and Ireland. Natural History Museum Publications. The British Lichen society, London.