British NVC community OV41

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.[1]

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:

  • the Homalothecium sericeum - Tortula muralis subcommunity
  • the Daucus carota subcommunity

References
  1. 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.CS1 maint: extra text: authors list (link)

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.CS1 maint: extra text: authors list (link)

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