Grove Farm

Site of Special Scientific Interest · 50.8852, -2.6978

Also within

Somerset County

Condition (Natural England)

Unfavourable No Change (2) Favourable (1)
UnitFeatureConditionArea (ha)Assessed
ST508104 Unfavourable No Change 19.25 2021-06-22
ST510097 Unfavourable No Change 19.25 2021-06-22
ST513095 Favourable 17.82 2009-06-10

Geology & landscape

Geological Period: Jurassic

Description

Description This site comprises an extensive area of unimproved mesotrophic grassland, a habitat which is now uncommon in Britain. Grove Farm is situated in a broad river valley with gently sloping sides on heavy clay soils of the Evesham and Denchworth series. These soils are poorly drained in places and vary from slightly calcareous, through neutral to slightly acidic in nature. They overlie Fullers Earth deposits of the Mid Jurassic period. The composition of the sward varies with the wetness and acidity of the soil and all three sub communities of the crested Dog's tail Cynosurus cristatus / common knapweed Centaurea nigra mesotrophic grassland community are well represented, together with a variant of the heath grass Danthonia decumbens sub community, which is characterised by an abundance of meadow thistle Cirsium dissectum. The sward includes many grasses which are typically found in unimproved meadows and pastures such as quaking grass Briza media, yellow oat grass Trisetum flavescens, meadow barley Hordeum secalinum, downy oat grass Avenula pubescens and heath grass. There is also an abundance of French oat grass Gaudinia fragilis which in Britain is only found as a major constituent of meadow/pasture sward on four sites in Somerset. Amongst the other species found here are the fern adder's tongue Ophioglossum vulgatum and the broad leaved herbs, oxeye daisy Leucanthemum vulgare, common knapweed, lady's bedstraw Galium verum, cowslip Primula veris, dyer's greenweed Genista tinctoria, saw wort Serratula tinctoria, devil's bit scabious Succisa pratensis, betony Betonica officinalis, pepper saxifrage Silaum silausand corky fruited water dropwort Oenanthe pimpinelloides which is a nationally scarce species. Some species are strongly associated with the variant of the heath grass sub community such as meadow thistle, heath spotted orchid Dactylorhiza maculata, hairy lady's mantle Alchemilla filicaulis and lousewort Pedicularis sylvatica together with a number of sedges including carnation sedge Carex panicea, flea sedge C. pulicaris, glaucous sedge Carex flacca and tawny sedge Carex hostiana.

Species mentioned

English name
search for this in other sites
Latin name
search with Google
IUCN / Red List Type Family
adders-tongue fern Ophioglossum vulgatum LC fern ophioglossaceae
downy oat grass Avenula pubescens LC grass poaceae
quaking grass Briza media VU grass poaceae
crested dog's tail Cynosurus cristatus LC grass poaceae
heath grass Danthonia decumbens NT grass poaceae
French oat grass Gaudinia fragilis LC grass poaceae
meadow barley Hordeum secalinum LC grass poaceae
yellow oat grass Trisetum flavescens LC grass poaceae
lady's mantle Alchemilla filicaulis VU herb rosaceae
betony Betonica officinalis VU herb lamiaceae
black knapweed Centaurea nigra LC herb asteraceae
meadow thistle Cirsium dissectum EN herb asteraceae
heath spotted orchid Dactylorhiza maculata LC herb orchidaceae
lady's bedstraw Galium verum LC herb rubiaceae
dyer's greenweed Genista tinctoria LC herb fabaceae
oxeye daisy Leucanthemum vulgare LC herb asteraceae
corky-fruited water-dropwort Oenanthe pimpinelloides LC herb apiaceae
lousewort Pedicularis sylvatica NT herb orobanchaceae
cowslip Primula veris LC herb primulaceae
saw wort Serratula tinctoria VU herb asteraceae
devils-bit scabious Succisa pratensis VU herb caprifoliaceae
glaucus sedge Carex flacca LC sedge cyperaceae
tawny sedge Carex hostiana LC sedge cyperaceae
carnation sedge Carex panicea NT sedge cyperaceae

Plant communities

A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream

Potamogeton natans community

Schoenoplectus lacustris, Juncus bulbosus, Sparganium angustifolium, Sparganium erectum, Sparganium minimum, Alisma plantago-aquatica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Elodea canadensis, Lemna minor, Lemna trisulca, Nymphaea alba, Callitriche platycarpa, Callitriche stagnalis, Littorella uniflora, Potamogeton natans, Ranunculus trichophyllus, Glyceria fluitans, Chara subspinosa

A14 — Fast flowing river and stream

Myriophyllum alterniflorum community

Isolepis fluitans, Juncus bulbosus, Fontinalis antipyretica, Lobelia dortmanna, Equisetum fluviatile, Myriophyllum alterniflorum, Lemna minor, Callitriche stagnalis, Littorella uniflora, Potamogeton filiformis, Potamogeton gramineus, Potamogeton natans, Ranunculus peltatus, Chara spp., Nitella hyalina

A17 — Chalk river and stream, Fast flowing river and stream

Ranunculus penicillatus ssp. pseudofluitans community

Berula erecta, Nasturtium officinale, Elodea canadensis, Lemna minor, Callitriche stagnalis, Veronica beccabunga, Polygonum amphibium, Polygonum hydropiper, Potamogeton crispus, Potamogeton pectinatus, Ranunculus penicillatus ssp. pseudofluitans

A18 — Fast flowing river and stream

Ranunculus fluitans community

Fontinalis antipyretica, Fontinalis squamosa var. curnowii, Myriophyllum alterniflorum, Myriophyllum spicatum, Elodea canadensis, Mentha aquatica, Lemna gibba, Lemna minor, Potamogeton perfoliatus, Ranunculus fluitans, Glyceria fluitans, Phalaris arundinacea

MG7 — Coastal floodplain grazing marsh, Mesotrophic grassland

Lolium perenne leys and related grasslands Lolium perenne-Alopecurus pratensis grassland

Juncus inflexus, Brachythecium rutabulum, Kindbergia praelonga, Achillea millefolium, Bellis perennis, Cirsium arvense, Cirsium vulgare, Hypochaeris radicata, Scorzoneroides autumnalis, Taraxacum officianalis, Capsella bursa-pastoris, Cardamine pratensis, Cerastium fontanum, Cerastium glomeratum, Stellaria media agg., Lathyrus pratensis, Trifolium dubium, Trifolium pratense, Trifolium repens, Vicia cracca, Vicia sativa, Plantago lanceolata, Plantago major, Rumex acetosa, Rumex conglomeratus, Rumex crispus, Rumex obtusifolius, Ranunculus acris, Ranunculus bulbosus, Ranunculus repens, Agrostis capillaris, Agrostis stolonifera, Alopecurus pratensis, Anthoxanthum odoratum, Arrhenatherum elatius, Bromus hordeaceous, Dactylis glomerata, Elytrigia repens, Festuca rubra, Holcus lanatus, Lolium multiflorum, Lolium perenne, Phleum pratense, Poa annua, Poa pratensis, Poa trivialis, Schedonorus pratensis

MG9 — Brownfield, Coastal floodplain grazing marsh, Mesotrophic grassland

Holcus lanatus-Deschampsia cespitosa grassland

Carex hirta, Carex nigra, Carex panicea, Juncus articulatus, Juncus effusus, Juncus inflexus, Brachythecium rutabulum, Calliergonell cuspidatum, Kindbergia praelonga, Rhytidiadelphus squarrosus, Angelica sylvestris, Conopodium majus, Heracleum sphondylium, Achillea millefolium, Achillea ptarmica, Centaurea nigra, Cirsium arvense, Cirsium palustre, Cirsium vulgare, Jacobaea vulgaris, Leucanthemum vulgare, Pulicaria dysenterica, Scorzoneroides autumnalis, Senecio aquaticus, Taraxacum officianalis, Cardamine pratensis, Succisa pratensis, Cerastium fontanum, Lathyrus pratensis, Lotus corniculatus, Lotus pedunculatus, Trifolium pratense, Trifolium repens, Vicia cracca, Hypericum perforatum, Mentha aquatica, Dactylorhiza fuchsii, Plantago lanceolata, Rumex acetosa, Rumex conglomeratus, Rumex crispus, Rumex obtusifolius, Rumex sanguineus, Primula veris, Primula vulgaris, Ficaria verna, Ranunculus acris, Ranunculus repens, Agrimonia eupatoria, Filipendula ulmaria, Potentilla anserina, Potentilla erecta, Rubus fruticosus agg., Galium verum, Silaum silaus, Urtica dioica, Agrostis capillaris, Agrostis stolonifera, Alopecurus pratensis, Anthoxanthum odoratum, Arrhenatherum elatius, Briza media, Cynosurus cristatus, Dactylis glomerata, Danthonia decumbens, Deschampsia cespitosa, Festuca rubra, Glyceria fluitans, Holcus lanatus, Holcus mollis, Hordeum secalinum, Lolium perenne, Phalaris arundinacea, Phleum pratense, Poa pratensis, Poa trivialis, Schedonorus arundinaceus, Schedonorus pratensis, Trisetum flavescens