British NVC community OV17 (''Reseda lutea'' - ''Polygonum aviculare'' community) is one of the
open habitat communities
A community is a Level of analysis, social unit (a group of living things) with commonality such as place (geography), place, Norm (social), norms, religion, values, Convention (norm), customs, or Identity (social science), identity. Communiti ...
in the
British National Vegetation Classification
__NOTOC__
The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain.
A large scientific meeting of ecologists, botanists, and other related pr ...
system. Although classed with communities
OV15 and
OV16 as an arable weed community of light lime-rich soils, it also shares many features with the communities classed as arable weed and wasteland communities of fertile loams and clays.
This community is not found elsewhere in Europe, and in Britain is found only in
East Anglia
East Anglia is an area in the East of England, often defined as including the counties of Norfolk, Suffolk and Cambridgeshire. The name derives from the Anglo-Saxon kingdom of the East Angles, a people whose name originated in Anglia, in ...
. It was first described by Silverside (1977), who labelled it the ''Descurainio''-''Anchusetum arvensis'' association.
There are no
subcommunities.
Community composition
The following
constant species are found in this community:
* Bugloss (''
Anchusa arvensis'')
* Black-bindweed (''
Fallopia convolvulus
''Fallopia convolvulus'', the black-bindweed or wild buckwheat, is a fast-growing annual flowering plant in the family Polygonaceae native throughout Europe, Asia and northern Africa.Flora of NW Europe''Fallopia convolvulus''/ref>Flora of China ...
'')
* Fat-hen (''
Chenopodium album'')
* Flixweed (''
Descurainia sophia'')
* Common couch (''
Elymus repens'')
* Knotgrass (''
Polygonum aviculare'')
* Wild mignonette (''
Reseda lutea'')
There are no
rare species associated with the community.
Distribution
This community is found only in East Anglia, where it is an ephemeral community among arable crops on dry, sandy soils. It is characterised by the presence of ''D. sophia'', ''A. arvensis'' and ''R. lutea''.
References
ited in Rodwell, op cit
{{NVC-OV
OV17