British NVC community A9

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.

One constant species is found in this community, Broad-leaved Pondweed (Potamogeton natans).

No rare species are associated with the community.

This community is found widely throughout Britain.

There are three subcommunities:

• the so-called Species-poor subcommunity
• the Elodea canadensis subcommunity
• the Juncus bulbosus - Myriophyllum alterniflorum subcommunity

• Rodwell, J. S. (1995) British Plant Communities Volume 4 - Aquatic communities, swamps and tall-herb fens ISBN 0-521-39168-7 (hardback), ISBN 0-521-62718-4 (paperback)