British NVC community OV4

British NVC community OV4 ("Chrysanthemum segetum" - "Spergula arvensis" community) is one of the open habitat communities in the British National Vegetation Classification system. It is one of six arable weed and track-side communities of light, less-fertile acid soils.
It is a widely distributed community. There are two subcommunities.
Community composition.
The following constant species are found in this community:
No rare species are associated with the community.
Distribution.
This is a widely distributed community, most commonly found in western Britain.
Subcommunities.
There are two subcommunities: