UK plant community type
British NVC community OV11 ("Poa annua" - "Stachys arvensis" community) is one of the open habitat communities in the British National Vegetation Classification system. It is one of eight arable weed and wasteland communities of fertile loams and clays.
It is a regionalised community, in which two subcommunities are recognised.
Community composition.
The following constant species are found in this community:
One rare species is associated with the community:
Subcommunities.
There are two subcommunities:
Distribution.
This community is mainly confined to south-west England and Wales, and is mostly found among cereal crops on less-limey loams and clay-loams.