British NVC community W7
Appearance
NVC community W7 (communities in the British National Vegetation Classification system; it is one of seven woodland communities in the NVC classed as "wet woodlands".
Community composition
Alder is often not as abundant as in the previous types. Ash and/or silver birch are frequent with mixtures of common sallow, hazel and hawthorn in the
shrub layer
. Ground flora includes meadow sweet, yellow pimpernel, lady fern, rough stalked meadow grass, creeping soft grass, creeping buttercup and/or golden saxifrage. These are found on base rich flushes with gleyed mineral soils.
Distribution
It is the commonest alder carr in upland woods; it does occur in the lowlands but often in a rather fragmentary fashion along streams.
References
- ISBN 0-521-62721-4(paperback)