NVC community W3 (Salix pentandra - Carex rostrata 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 locally distributed community. There are no subcommunities.
Thirteen constant species are found in this community:
Six rare species are also associated with the community:
This community is distributed locally in submontane regions of northern England and Scotland. The authors of British Plant Communities noted that although the community had not been recorded in Wales, it is likely to be found there too.