British NVC community OV4

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 a widely distributed community. 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

There are two subcommunities:

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. doi:10.2277/0521391679.

The British National Vegetation Classification: Vegetation of open habitats
OV1 OV2 OV3 OV4 OV5 OV6 OV7 OV8 OV9 OV10 OV11 OV12 OV13 OV14 OV15 OV16 OV17 OV18 OV19 OV20 OV21 OV22 OV23 OV24 OV25 OV26 OV27 OV28 OV29 OV30 OV31 OV32 OV33 OV34 OV35 OV36 OV37 OV38 OV39 OV40 OV41 OV42

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