British NVC community OV23 (''Lolium perenne'' - ''Dactylis glomerata'' 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. It is one of six communities characteristic of gateways, tracksides and courtyards.
This community occurs widely throughout lowland Britain.
There are four
subcommunities.
Community composition
The following
constant species are found in this community:
* Cock's-foot (''
Dactylis glomerata'')
* Perennial rye-grass (''
Lolium perenne'')
* Ribwort plantain (''
Plantago lanceolata
''Plantago lanceolata'' is a species of flowering plant in the plantain family Plantaginaceae. It is known by the common names ribwort plantain, narrowleaf plantain, English plantain, ribleaf, lamb's tongue, and buckhorn. It is a common weed on c ...
'')
* Dandelion (''
Taraxacum officinale'' agg.)
There are no
rare species associated with the community.
Distribution
This community occurs widely throughout lowland Britain. It is often found on verges, recreational areas and waste ground that have been re-seeded but only occasionally mown and usually forms a mosaic with other communities, the degree of trampling and disturbance being major determinants in the occurrence of one community or another.
Subcommunities
There are four
subcommunities:
* the so-called typical subcommunity
* the ''Crepis vesicaria - Rumex obtusifolius'' subcommunity
* the ''Plantago major - Trifolium repens'' subcommunity
* the ''Arrhenatherum elatius - Medicago lupulina'' subcommunity
References
{{NVC-OV
OV23