Fishburn Grassland is a

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

in the

Sedgefield Sedgefield is a market town and civil parish in County Durham, England. It had a population of 5,211 as at the 2011 census. It has the only operating racecourse in County Durham. History Roman A Roman 'ladder settlement' was discovered by C ...

district of

County Durham County Durham ( ), officially simply Durham,UK General Acts 1997 c. 23Lieutenancies Act 1997 Schedule 1(3). From legislation.gov.uk, retrieved 6 April 2022. is a ceremonial county in North East England.North East Assembly �About North East E ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

. It lies between the villages of

Fishburn Fishburn is a village and civil parish in County Durham, in England. It is situated about 12 miles west of Hartlepool. It had a population of 2,454, increasing to 2,588 at the 2011 Census. Location The village lies scattered along a dry swell ...

and

Trimdon Trimdon is a village in County Durham, in England, previously known as Tremeldon (1196) or Tremedon (1262).Eilert Ekwall,1959, ''The Concise Oxford Dictionary of English Placenames'' (4th edition), OUP, Oxford, p. 480; he cites taxation sources, ...

, just north of the former. The site consists of a small area of species-rich

magnesian limestone The Magnesian Limestone is a suite of carbonate rocks in north-east England dating from the Permian period. The outcrop stretches from Nottingham northwards through Yorkshire and into County Durham where it is exposed along the coast between Ha ...

grassland, a

vegetation type Vegetation classification is the process of classifying and mapping the vegetation over an area of the earth's surface. Vegetation classification is often performed by state based agencies as part of land use, resource management, resource and envi ...

that is rare nationally and mainly restricted to County Durham and

Tyne and Wear Tyne and Wear () is a metropolitan county in North East England, situated around the mouths of the rivers Tyne and Wear. It was created in 1974, by the Local Government Act 1972, along with five metropolitan boroughs of Gateshead, Newcastl ...

. There are two distinct plant communities, the larger of which, dominated by blue moor-grass, ''

Sesleria albicans ''Sesleria albicans'' is a species of perennial grass in the family Poaceae which can be found throughout Europe. Description The species is perennial and caespitose with erect and slender culms that are long. It have a ligule that goes arou ...

'', and small scabious, ''

Scabiosa columbaria ''Scabiosa columbaria'', called the small scabious or dwarf pincushion flower, is a widespread species of flowering plant in the genus ''Scabiosa'', native to Europe, Africa, and western Asia, from Sweden to Angola. In the garden it is a short-li ...

'', is known only from east Durham. The other community, dominated by upright brome, ''

Bromus erectus ''Bromus erectus'', commonly known as erect brome, upright brome or meadow brome, is a dense, course, tufted perennial grass. It can grow to . Like many brome grasses the plant is hairy. The specific epithet ''erectus'' is Latin, meaning "erect ...

'', is common on limestone in southern England but is at its northern limit in Durham, where there are no other protected sites.

References

Sites of Special Scientific Interest in County Durham {{Durham-geo-stub