coded list of freshwater macrophytes of the British Isles
Subtitle: lichens, bryophytes, vascular plants
By: N.T.H. Holmes, B.A. Whitton, J.W. Hargreaves.
Contributors: Whitton, B. A. 1935-; Hargreaves, J. W.; Great Britain. Water Data Unit.
Series: Water archive manual series -- no. 4
Publisher: Department of the Environment, Water Data Unit
Published: 1978
Place of publication: Reading
Language: eng