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 widely distributed, and there are two subcommunities.
Community composition
The following constant species are found in this community:
- Corn marigold (Chrysanthemum segetum)
- Annual meadow-grass (Poa annua)
- Knotgrass (Polygonum aviculare)
- Corn spurrey (Spergula arvensis)
No rare species are associated with the community.
Distribution
This is a widely distributed community, most commonly found in western Britain.
Subcommunities
The two subcommunities are:
- the so-called typical subcommunity
- the Ranunculus repens - Sonchus asper subcommunity
References
Rodwell, John S, ed. (March 2000). Maritime communities and vegetation of open habitats. British Plant Communities. Vol. 5. Cambridge University Press. ISBN 978-0-521-39167-2.
| The British National Vegetation Classification: Vegetation of open habitats | |
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