NVC community CG2 (Festuca ovina - Avenula pratensis grassland) is one of the calcicolous grassland communities in the British National Vegetation Classification system. It is one of three short-sward communities associated with heavy grazing, within the lowland calcicolous grassland group, and is regarded as "typical" chalk grassland.
It is a comparatively widely distributed community. There are four subcommunities.
The following constant species are found in this community:
The following rare species are also associated with the community:
This community is found in lowland limestone grassland throughout England and Wales.
There are four subcommunities, one of which is subdivided into three variants: