British NVC community OV12
Encyclopedia
British NVC community OV12 (Poa annua - Myosotis arvensis community) is one of the open habitat
communities in the British National Vegetation Classification
system. It is one of eight arable weed and wasteland communities of fertile loams and clays.
It is a widespread community, in which two subcommunities are recognised.
There are no rare species associated with the community.
Vegetation of open habitats in the British National Vegetation Classification system
This article gives an overview of the plant communities formed by vegetation of open habitats in the British National Vegetation Classification system.-Introduction:...
communities in the British National Vegetation Classification
British National Vegetation Classification
The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain....
system. It is one of eight arable weed and wasteland communities of fertile loams and clays.
It is a widespread community, in which two subcommunities are recognised.
Community composition
The following constant species are found in this community:- Creeping bent (Agrostis stoloniferaAgrostis stoloniferaAgrostis stolonifera is a perennial grass species in the Poaceae family. It is stoloniferous and may form mats or tufts...
) - Field forget-me-not (Myosotis arvensisMyosotis arvensisMyosotis arvensis or Field Forget-me-not is a herbaceous annual of the genus Myosotis. The flowers are 2–5 mm large, and clearly pale blue. They stand in small groups dense at each other. The flowering period runs from May to late in the autumn....
) - Annual meadow-grass (Poa annuaPoa annuaPoa annua, or annual meadow grass , is a widespread low-growing turfgrass in temperate climates. Though P. annua is commonly considered a solely annual plant due to its name, perennial bio-types do exist. 'Poa' is Greek for fodder. It is one of the sweetest grasses for green fodder, but less ...
) - Rough meadow-grass (Poa trivialisPoa trivialisPoa trivialis , is a perennial plant, and is regarded in the USA as an ornamental plant and is of the Poa family.-Description:...
) - Knotgrass (Polygonum avicularePolygonum avicularePolygonum aviculare or Common Knotgrass is a plant related to buckwheat and dock. It is also called birdweed, pigweed and lowgrass. It is an annual found in fields and wasteland, with white flowers from June to October....
)
There are no rare species associated with the community.
Subcommunities
Two subcommunities are recognised:- the typical subcommunity
- the Dicranella staphylina - Bryum subcommunity