Ballygalley Head

Site of Special Scientific Interest · 54.8990, -5.8477

Climate exposure

This is about exposure to a nationwide pressure this habitat type carries — not a verdict on this site's own management.

Coastal

Coastal habitats are exposed to sea-level rise and storm erosion. Where hard sea defences sit behind them, there's nowhere landward to retreat to — a squeeze that keeps compressing the habitat no matter how well it's managed.

Geology & landscape

Geological Period: Paleogene · Rock Type: Basalt

Landscape processes: Coastal, Volcanic / Igneous

Description

Ballygalley Head Fungi Assemblage Calcareous grassland The area is of special scientific interest for its species-rich grassland habitat and important assemblage of grassland fungi. Ballygalley Head is situated approximately 0.5km to the east of the village of Ballygally, Co. Antrim. The geology of the Ballygalley Head area is dominated by Palaeogene age basalt and basaltic agglomerate belonging to the Antrim Lava Group. Overlying this, shallow freely-draining soils rock rankers have developed from the basalt series and these have given rise to a type of dry grassland known as calcareous grassland. This grassland is scarce within Northern Ireland and lowland examples, like those at Ballygalley Head, are rare in the United Kingdom, generally being limited to western parts of Scotland and the Antrim coast in Northern Ireland. These calcareous grasslands are typically tightly grazed and have a short sward which allows light-demanding species to thrive. Wild thyme Thymus polytrichus has taken advantage of the open conditions and flourishes with other low-growing herbs to create a rich, colourful sward. In addition, there is a high diversity of bryophytes within the grassland. The driest grassland areas are dominated by the grasses sheep’s fescue Festuca ovina, red fescue Festuca rubra, common bent Agrostis capillaris and crested dog’s tail Cynosurus cristatus with abundant sweet vernal grass Anthoxanthum odoratum, heath grass Danthonia decumbens and silver hair grass Aira caryophyllea. Sedges are also common in the sward with spring sedge Carex caryophyllea, glaucous sedge Carex flacca and carnation sedge Carex panicea all frequent. Herbs are widespread and diverse and include wild thyme Thymus polytrichus, eyebright Euphrasia officinalis agg., lady’s bedstraw Galium verum, fairy flax Linum catharticum, common birdsfoot trefoil Lotus corniculatus, mouse_ear hawkweed Pilosella officinarum, heath milkwort Polygala serpyllifolia and bulbous buttercup Ranunculus bulbosus. Where soils are thin and the sward is open, the bryophytes comb moss Ctenidium molluscum and Tamarisk scalewort Frullania tamarisci are common. Neat feather moss Pseudoscleropodium purum, springy turf moss Rhytidiadelphus squarrosus, capillary thread moss Bryum capillare and broom fork moss Dicranum scoparium are also frequent within the sward. More locally distributed species include broad scalewort Porella obtusata, wall scalewort Porella platyphylla and straggling pouchwort Saccogyna viticulosa, all of which are frequent on the thin skeletal soils. A significant local population of yellow oat grass Trisetum flavescens occurs in the sward on the west facing slopes of the ASSI. This species is usually restricted to base-rich or calcareous grasslands and is relatively uncommon in Northern Ireland. The short swards at Ballygalley Head are important for a range of grassland fungi. Such areas are often described as “waxcap grasslands” because of the range of waxcap fungi from the genus Hygrocybe that are found. snowy waxcap Hygrocybe virginea, parrot waxcap Hygrocybe psittacina and meadow waxcap Hygrocybe pratensis are widespread within the grassland at Ballygalley Head. Of more note is the waxcap species Hygrocybe calciphila which as its name suggests is a species of calcareous grasslands; it has a limited distribution in Northern Ireland. The area is also of particular note for the range of earthtongue Geoglossaceae taxa and fairy club Clavariaceae taxa. Hairy earthtongue Trichoglossum hirsutum is occasional in the short swards and of particular note is olive earthtongue Microglossum olivaceum. Seven species of fairy club occur, including meadow coral Clavulinopsis corniculata and more notably beige coral Clavulinopsis umbrinella and smoky spindles Clavaria fumosa. Ballygalley Head has been managed in a traditional way and has a high degree of naturalness. As a result, in addition to its grassland interest, the area acts as an important reservoir for species, providing valuable feeding and roosting sites for a range of animals, including birds and invertebrates. https://www.daera-ni.gov.uk/publications/ballygalley-head-assi

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
common bent Agrostis capillaris LC grass poaceae
silver hair grass Aira caryophyllea VU grass poaceae
sweet vernal grass Anthoxanthum odoratum LC grass poaceae
crested dog's tail Cynosurus cristatus LC grass poaceae
heath grass Danthonia decumbens NT grass poaceae
sheep's fescue Festuca ovina LC grass poaceae
red fescue Festuca rubra LC grass poaceae
yellow oat grass Trisetum flavescens LC grass poaceae
English sticky eyebright Euphrasia officinalis LC herb orobanchaceae
lady's bedstraw Galium verum LC herb rubiaceae
fairy flax Linum catharticum LC herb linaceae
birdsfoot trefoil Lotus corniculatus LC herb fabaceae
mouse_ear hawkweed Pilosella officinarum LC herb asteraceae
heath milkwort Polygala serpyllifolia LC herb polygalaceae
bulbous buttercup Ranunculus bulbosus LC herb ranunculaceae
wild thyme Thymus polytrichus Not listed in GB list herb lamiaceae
tamarisk scalewort Frullania tamarisci LC liverwort jungermanniales
broad scalewort Porella obtusata LC liverwort jungermanniales
wall scalewort Porella platyphylla LC liverwort jungermanniales
straggling pouchwort Saccogyna viticulosa LC liverwort jungermanniales
capillary thread moss Bryum capillare LC moss bryales
comb moss Ctenidium molluscum LC moss hypnales
broom fork moss Dicranum scoparium LC moss dicranales
neat feather moss Pseudoscleropodium purum LC moss hypnales
springy turf moss Rhytidiadelphus squarrosus LC moss hypnales
spring-sedge Carex caryophyllea NT sedge cyperaceae
glaucus sedge Carex flacca LC sedge cyperaceae
carnation sedge Carex panicea NT sedge cyperaceae

Plant communities

CG9 — Limestone pavement, Lowland calcareous grassland, Upland calcareous grassland

Sesleria albicans-Galium sterneri grassland

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Carex capillaris, Carex caryophyllea, Carex eragrostis, Carex flacca, Carex hostiana, Carex panicea, Carex pulicaris, Kobresia simpliciuscula, Selaginella selaginoides, Rhodobryum roseum, Dicranum scoparium, Ditrichum flexicaule, Fissidens dubius, Encalypta streptocarpa, Racomitrium canescens sens.lat., Racomitrium lanuginosum, Ctenidium molluscum, Homalothecium lutescens, Hylocomium splendens, Hypnum cupressiforme, Neckera crispa, Pseudoscleropodium purum, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Rhytidium rugosum, Thuidium tamariscinum, Polytrichum juniperinum, Tortella tortuosa, Barbilophozia barbata, Blepharostoma trichophyllum, Frullania tamarisci, Lophocolea bidentata, Plagiochila asplenioides, Scapania aspera, Tritomaria quinquedentata, Cetraria islandica, Cladonia pocillum, Cladonia rangiformis, Cornicularia aculeata, Pimpinella saxifraga, Achillea millefolium, Antennaria dioica, Bellis perennis, Carlina vulgaris, Cirsium vulgare, Leontodon hispidus, Pilosella officinarum, Taraxacum officianalis, Myosotis alpestris, Cochlearia alpina, Draba incana, Campanula rotundifolia, Scabiosa columbaria, Succisa pratensis, Cerastium fontanum, Minuartia verna, Parnassia palustris, Helianthemum oelandicum icanum, Sedum acre, Anthyllis vulneraria, Hippocrepis comosa, Lotus corniculatus, Trifolium repens, Gentiana verna, Gentianella amarella, Hypericum pulchrum, Thymus praecox, Pinguicula vulgaris, Linum catharticum, Epipactis atrorubens, Euphrasia confusa, Euphrasia officinalis, Plantago lanceolata, Plantago maritima, Veronica officinalis, Polygala vulgaris, Polygonum viviparum, Primula farinosa, Primula vulgaris, Thalictrum minus, Dryas octopetala, Potentilla erecta, Potentilla tabernaemontani, Poterium sanguisorba, Asperula cynanchica, Galium sterneri, Galium verum, Saxifraga hypnoides, Viola hirta, Viola riviniana, Viola rupestris, Agrostis capillaris, Anthoxanthum odoratum, Avenula pratensis, Brachypodium sylvaticum, Briza media, Cynosurus cristatus, Dactylis glomerata, Danthonia decumbens, Deschampsia cespitosa, Festuca ovina, Festuca rubra, Koeleria macrantha, Molinia caerulea, Sesleria caerulea

CG10 — Brownfield, Limestone pavement, Upland calcareous grassland

Festuca ovina-Agrostis capillaris-Thymus praecox grassland

Empetrum nigrum, Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica cinerea, Vaccinium myrtillus, Carex binervis, Carex caryophyllea, Carex demissa, Carex flacca, Carex nigra, Carex panicea, Carex pilulifera, Carex pulicaris, Juncus squarrosus, Luzula campestris, Luzula multiflora, Luzula sylvatica, Selaginella selaginoides, Breutelia chrysocoma, Bryum pallens, Bryum pseudotriquetrum, Mnium hornum, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum scoparium, Ditrichum flexicaule, Fissidens adianthoides, Fissidens osmundoides, Racomitrium canescens sens.lat., Racomitrium lanuginosum, Calliergonell cuspidatum, Ctenidium molluscum, Hylocomium splendens, Hypnum cupressiforme, Hypnum jutlandicum, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Thuidium delicatulum, Thuidium tamariscinum, Tortella tortuosa, Frullania tamarisci, Lophocolea bidentata, Plagiochila asplenioides, Ptilidium ciliare, Scapania undulata, Cetraria islandica, Peltigera canina, Angelica sylvestris, Achillea millefolium, Antennaria dioica, Bellis perennis, Cirsium palustre, Hieraclium spp., Hypochaeris radicata, Jacobaea vulgaris, Pilosella officinarum, Scorzoneroides autumnalis, Solidago virgaurea, Cardamine pratensis, Campanula rotundifolia, Succisa pratensis, Cerastium fontanum, Silene acaulis, Vaccinium vitis-idaea, Lathyrus montanus, Lotus corniculatus, Trifolium repens, Gentianella campestris, Hypericum pulchrum, Thymus praecox, Pinguicula vulgaris, Linum catharticum, Euphrasia confusa, Euphrasia officinalis, Euphrasia scottica, Oxalis acetosella, Plantago lanceolata, Plantago maritima, Veronica officinalis, Polygala serpyllifolia, Polygonum viviparum, Rumex acetosa, Primula vulgaris, Ranunculus acris, Ranunculus repens, Thalictrum alpinum, Alchemilla alpina, Alchemilla filicaulis, Alchemilla glabra, Alchemilla wichurae, Alchemilla xanthochlora, Filipendula ulmaria, Geum rivale, Potentilla crantzii, Potentilla erecta, Potentilla sterilis, Rubus idaeus, Galium boreale, Galium saxatile, Galium sterneri, Galium verum, Saxifraga aizoides, Saxifraga oppositifolia, Viola riviniana, Agrostis canina, Agrostis capillaris, Aira praecox, Anthoxanthum odoratum, Avenula pratensis, Briza media, Cynosurus cristatus, Danthonia decumbens, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Holcus lanatus, Koeleria macrantha, Molinia caerulea, Nardus stricta, Poa pratensis, Blechnum spicant, Pteridium aquilinum, Botrychium lunaria, Thelypteris limbosperma

CG11 — Upland calcareous grassland

Festuca ovina-Agrostis capillaris-Alchemilla alpina grass-heath

Empetrum nigrum, Calluna vulgaris, Erica tetralix, Vaccinium myrtillus, Salix herbacea, Carex bigelowii, Carex binervis, Carex caryophyllea, Carex flacca, Carex panicea, Carex pilulifera, Carex pulicaris, Trichophorum cespitosum, Juncus squarrosus, Juncus trifidus, Luzula campestris, Luzula multiflora, Luzula spicata, Luzula sylvatica, Diphasiastrum alpinum, Huperzia selago, Selaginella selaginoides, Breutelia chrysocoma, Mnium hornum, Plagiomnium undulatum, Dicranum scoparium, Racomitrium canescens sens.lat., Racomitrium lanuginosum, Ctenidium molluscum, Hylocomium splendens, Hypnum cupressiforme, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Thuidium delicatulum, Thuidium tamariscinum, Pogonatum urnigerum, Polytrichastrum alpinum, Barbilophozia lycopodioides, Diplophyllum albicans, Frullania tamarisci, Nardia scalaris, Ptilidium ciliare, Tritomaria quinquedentata, Cetraria islandica, Cladonia pyxidata, Cladonia uncialis, Peltigera canina, Achillea millefolium, Antennaria dioica, Gnaphalium supinum, Hieraclium spp., Scorzoneroides autumnalis, Taraxacum officianalis, Campanula rotundifolia, Succisa pratensis, Cerastium alpinum, Cerastium fontanum, Minuartia sedoides, Silene acaulis, Vaccinium vitis-idaea, Lathyrus montanus, Trifolium repens, Thymus praecox, Pinguicula vulgaris, Linum catharticum, Narthecium ossifragum, Dactylorhiza viridis, Euphrasia officinalis, Oxalis acetosella, Plantago lanceolata, Plantago maritima, Veronica officinalis, Veronica serpyllifolia, Armeria maritima, Polygonum viviparum, Rumex acetosa, Primula vulgaris, Anemone nemorosa, Ranunculus acris, Thalictrum alpinum, Trollius europaeus, Alchemilla alpina, Alchemilla filicaulis, Alchemilla xanthochlora, Filipendula ulmaria, Geum rivale, Potentilla crantzii, Potentilla erecta, Sibbaldia procumbens, Galium boreale, Galium saxatile, Saxifraga aizoides, Saxifraga hypnoides, Saxifraga oppositifolia, Viola canina, Viola palustris, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Danthonia decumbens, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Festuca vivipara, Molinia caerulea, Nardus stricta, Blechnum spicant, Botrychium lunaria, Thelypteris limbosperma

CG13 — Limestone pavement, Upland calcareous grassland

Dryas octopetala-Carex flacca heath

Salix repens, Empetrum nigrum, Empetrum nigrum subsp.nigrum, Calluna vulgaris, Juniperus communis, Arctostaphylos uva-ursi, Rubus saxatilis, Carex flacca, Carex panicea, Carex pulicaris, Carex rupestris, Schoenus nigricans, Luzula campestris, Selaginella selaginoides, Breutelia chrysocoma, Dicranum scoparium, Ditrichum flexicaule, Fissidens dubius, Racomitrium lanuginosum, Ctenidium molluscum, Entodon concinnus, Homalothecium lutescens, Hylocomium splendens, Hypnum cupressiforme, Loeskeobryum brevirostre, Neckera complanata, Neckera crispa, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Rhytidium rugosum, Thuidium delicatulum, Thuidium tamariscinum, Tortella tortuosa, Frullania tamarisci, Plagiochila asplenioides, Scapania undulata, Cladonia rangiformis, Solorina saccata, Daucus carota, Antennaria dioica, Bellis perennis, Centaurea nigra, Hypochaeris radicata, Jacobaea vulgaris, Pilosella officinarum, Scorzoneroides autumnalis, Solidago virgaurea, Taraxacum officianalis, Campanula rotundifolia, Succisa pratensis, Cerastium fontanum, Anthyllis vulneraria, Lathyrus montanus, Lotus corniculatus, Trifolium pratense, Trifolium repens, Gentianella amarella, Hypericum pulchrum, Thymus praecox, Pinguicula vulgaris, Linum catharticum, Epipactis atrorubens, Neottia ovata, Orchis mascula, Euphrasia confusa, Euphrasia officinalis, Plantago lanceolata, Plantago maritima, Plantago media, Polygala serpyllifolia, Polygonum viviparum, Primula vulgaris, Ranunculus acris, Thalictrum alpinum, Dryas octopetala, Filipendula ulmaria, Potentilla erecta, Galium saxatile, Galium verum, Saxifraga aizoides, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Avenula pratensis, Cynosurus cristatus, Danthonia decumbens, Festuca ovina, Festuca rubra, Festuca vivipara, Koeleria macrantha, Molinia caerulea, Polystichum aculeatum

U4 — Lowland dry acid grassland, Upland acid grassland, Upland calcareous grassland

Festuca ovina-Agrostis capillaris-Galium saxatile grassland

Calluna vulgaris, Vaccinium myrtillus, Carex binervis, Carex caryophyllea, Carex echinata, Carex nigra, Carex panicea, Carex pilulifera, Juncus effusus, Juncus squarrosus, Luzula campestris, Luzula multiflora, Luzula sylvatica, Mnium hornum, Dicranum scoparium, Racomitrium lanuginosum, Hylocomium splendens, Hypnum cupressiforme, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Thuidium tamariscinum, Polytrichastrum alpinum, Polytrichum commune, Lophocolea bidentata, Conopodium majus, Achillea millefolium, Bellis perennis, Cirsium arvense, Cirsium vulgare, Taraxacum officianalis, Campanula rotundifolia, Succisa pratensis, Cerastium fontanum, Lathyrus montanus, Lotus corniculatus, Trifolium pratense, Trifolium repens, Thymus praecox, Euphrasia officinalis, Oxalis acetosella, Plantago lanceolata, Veronica chamaedrys, Veronica officinalis, Polygala serpyllifolia, Rumex acetosa, Primula vulgaris, Anemone nemorosa, Ranunculus acris, Ranunculus repens, Potentilla erecta, Poterium sanguisorba, Galium saxatile, Galium verum, Viola lutea, Viola palustris, Viola riviniana, Agrostis canina, Agrostis capillaris, Alopecurus pratensis, Anthoxanthum odoratum, Avenula pratensis, Briza media, Cynosurus cristatus, Dactylis glomerata, Danthonia decumbens, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Holcus lanatus, Holcus mollis, Lolium perenne, Molinia caerulea, Nardus stricta, Poa annua, Poa pratensis, Blechnum spicant, Pteridium aquilinum, Chara curta

U5 — Upland acid grassland, Upland calcareous grassland

Nardus stricta-Galium saxatile grassland

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica cinerea, Erica tetralix, Vaccinium myrtillus, Carex bigelowii, Carex binervis, Carex demissa, Carex nigra, Carex panicea, Carex pilulifera, Carex pulicaris, Eriophorum angustifolium, Eriophorum vaginatum, Trichophorum cespitosum, Juncus effusus, Juncus squarrosus, Luzula campestris, Luzula multiflora, Luzula sylvatica, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Pohlia nutans, Campylopus flexuosus, Dicranella heteromalla, Dicranum scoparium, Racomitrium lanuginosum, Calliergonell cuspidatum, Hylocomium splendens, Hypnum cupressiforme, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Thuidium tamariscinum, Polytrichastrum alpinum, Polytrichum commune, Polytrichum formosum, Polytrichum juniperinum, Sphagnum papillosum, Barbilophozia floerkei, Calypogeia muelleriana, Diplophyllum albicans, Lophocolea bidentata, Lophozia ventricosa, Pleurozia purpurea, Ptilidium ciliare, Scapania gracilis, Cetraria islandica, Cladonia uncialis, Cirsium palustre, Scorzoneroides autumnalis, Campanula rotundifolia, Cerastium fontanum, Equisetum palustre, Vaccinium vitis-idaea, Trifolium repens, Narthecium ossifragum, Plantago lanceolata, Polygala serpyllifolia, Anemone nemorosa, Ranunculus acris, Alchemilla alpina, Potentilla erecta, Galium saxatile, Viola riviniana, Agrostis capillaris, Agrostis vinealis, Anthoxanthum odoratum, Danthonia decumbens, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Molinia caerulea, Nardus stricta, Blechnum spicant