NVC community W6 (Alnus glutinosa - Urtica dioica woodland) is one of the woodland communities in the British National Vegetation Classification system; it is one of seven woodland communities in the NVC classed as "wet woodlands".
References
edit- Rodwell, J. S. (1991) British Plant Communities Volume 1 - Woodlands and scrub ISBN 0-521-23558-8 (hardback), ISBN 0-521-62721-4 (paperback)