NVC community W1 (Salix cinerea - Galium palustre 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".
This is a community with a widely scattered distribution in the lowlands of Britain. There are no subcommunities.
Two constant species are found in this community, Grey Willow (Salix cinerea) and Common Marsh-bedstraw (Galium palustre).
One rare species, Tufted Loosestrife (Lysimachia thyrsiflora) is also associated with the community.
This community is widely distributed in the lowlands of Britain.