Potamogeton natans community

The "Potamogeton natans" community (NVC community A9) is one of the aquatic communities in the British National Vegetation Classification system.
It is a comparatively widely distributed community. There are three subcommunities.
Community composition.
One constant species is found in this community, Broad-leaved Pondweed ("Potamogeton natans").
No rare species are associated with the community.
Distribution.
This community is found widely throughout Britain. 
Subcommunities.
There are three subcommunities: