UK plant community type
British NVC community OV41 ("Parietaria diffusa" community) is one of the open habitat communities in the British National Vegetation Classification system. It is one of six communities of crevice, scree and spoil vegetation.
This community is widely distributed in suitable habitats in the southern lowlands of Britain.
There are two subcommunities.
Community composition.
One constant species is found in this community:
Three rare species are associated with the community:
Distribution.
This community is widely distributed in suitable habitats in the southern lowlands of Britain, mainly in south-east England. It is found on sunny ledges and in crevices on limestone quarry rock faces and cliffs and mortared walls; the "Daucus carota" subcommunity, which is restricted to coastal locations, is found as far west as south Wales.
It is essentially the same as the "Parietarietum judaicae" assemblage recognised in other parts of Europe.
Subcommunities.
There are two subcommunities:
References.
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