MarketBritish NVC community OV4
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British NVC community OV4

British NVC community OV4 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.

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==
Distribution
This is a widely distributed community, most commonly found in western Britain. ==Subcommunities==
Subcommunities
The two subcommunities are: • the so-called typical subcommunity • the '''Ranunculus repens - Sonchus asper subcommunity''' ==References==
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