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.
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[edit] 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.
[edit] Distribution
This is a widely distributed community, most commonly found in western Britain.
[edit] Subcommunities
There are two subcommunities:
- the so-called typical subcommunity
- the Ranunculus repens - Sonchus asper subcommunity
[edit] References
Rodwell, John S (ed) (March 2000). Maritime communities and vegetation of open habitats. British Plant Communities. vol 5. Cambridge University Press. doi:10.2277/0521391679. ISBN 978-0-521-39167-2. http://www.cambridge.org/gb/knowledge/isbn/item5707753/?site_locale=en_GB.
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