Creuddyn
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Climate exposure
This is about exposure to a nationwide pressure this habitat type carries — not a verdict on this site's own management.
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.
Habitats
Coppiced woodland, Limestone pavement, Mixed scrub, Montane scrub, Upland calcareous grassland
Geology & landscape
Geological Period: Carboniferous, Silurian · Rock Type: Carboniferous Limestone, Chalk, Glacial Till, Limestone
Landscape processes: Coastal, Glacial, Karst
Description
Description Creuddyn is of special interest for its botanical and entomological features; semi-natural woodland, calcareous grassland, rare vascular plant assemblage including spiked speedwell Veronica spicata and grassland invertebrate assemblage. The site is on two parallel ridges lying in a north east to south west orientation. The northern ridge overlooks Llandudno and the southern overlooks Llandudno Junction. The bedrock is Carboniferous Limestone except for the south end of Coed Bron-Garth where older, Silurian Mudstones occur. The soils are very shallow and shallow well-drained loamy soils derived from the bedrock often on steep or very steep slopes. Glacial till is of infrequent occurrence but there are some areas of wind-blown sand (loess) on the plateau to the south of the summit of Nant-y-Gamar. Rock outcrops and limestone terraces and cliffs, either natural or in disused quarries, occur frequently. Along both ridges there are small scattered areas of limestone pavement, some of which is under yew Taxus baccata woodland. The site is dry and free-draining throughout apart from small springs at Pant-y-ffynnon, Marl Hall and Coed-y-Pistyll. At the latter, a watercourse separates the woodland from the A470 Llandudno Link Road. The two ridges are each largely in the altitude range of 30 to 100 metres above mean sea level, but the northern exceeds this height at Nant-y- Gamar (122m) and the summit at Mynydd Pant which attains 130m. The majority of the site has a south or south-east facing aspect. The principal north-facing slopes occur at Nant-y-Gamar and Pant-y-Wennol. The semi-natural woodland is mostly present on the steepest rocky slopes, with the grassland mostly on the less steep slopes -often in glades or small pastures surrounded by the woodland. The combination of bedrock, soils, topography and bioclimatic conditions interacting with past and present human activities has given rise to the mosaic of plant communities present; semi-natural woodland, dominated by either broadleaves or yew, and several open calcareous grassland communities with patches of heath and scrub. The semi-natural woodland occupies the majority of both ridges and consists largely of ash Fraxinus excelsior and oak Quercus petraea high forest with occasional stands showing evidence of old coppice re-growth. Other woodland communities locally present are dominated by either yew or beech Fagus sylvatica. The latter has been planted where soils are deepest and slopes least. The non-native canopy species, sycamore Acer pseudoplatanus is of frequent occurrence throughout, having now largely supplanted the place of elm. Wych elm Ulmus glabra now occurs locally as an undershrub or isolated small trees, as large trees of this species died in the elm disease epidemic of the 1970s and 1980s. Small-leaved lime Tilia cordata is of only sporadic occurrence. Stands of secondary woodland, where grazing has been abandoned for several decades, occur along the southern ridge. These are of silver birch Betula pendula or scrubby oak with associated hawthorn Crataegus monogyna, blackthorn Prunus spinosa and gorse Ulex europaeus scrub. Fringes of these woodland stands or shady hedgebanks support the nationally scarce ivy broomrape Orobanche hederae, a parasite on ivy Hedera helix. Other canopy species not locally native to the site, for example, larch Larix spp., Corsican pine Pinus nigra and evergreen oak Quercus ilex, occur scattered in the woodland reflecting past plantings and bird-sown seedlings. Appropriate woodland management is gradually eradicating these species. The woodland understorey and shrub layer, in which hazel Corylus avellana is dominant, has a rich diversity of other species such as wych elm, hawthorn, holly Ilex aquifolium, spindle Euonymus europaeus, privet Ligustrum vulgare, dogwood Cornus sanguinea and the uncommon spurge laurel Daphne laureola. Yew also occurs here frequently as a small tree or sapling particularly on the rockiest parts where there is limestone pavement. In the ash and oak woodland the herb layer is varied. Dog's mercury Mercurialis perennis and ivy are conspicuous components for most of the year. In the spring a rich vernal flora appears and this includes wood anemone Anemone nemorosa, sanicle Sanicula europaea, lords-and-ladies Arum maculatum, primrose Primula vulgaris, herb-Robert Geranium robertianum, enchanter's nightshade Circaea lutetiana, wood avens Geum urbanum, woodruff Galium odoratum and early-purple orchid Orchis mascula. Ramsons Allium ursinum carpet the ground on the spring-fed slopes of Marl Hall and Coed-y-Pistyll. Bluebell Hyacinthoides non-scripta flourishes on the less base-rich soils in Coed Bron- Garth. Temporary gaps in the canopy have their field layer overwhelmed by bramble Rubus fruticosus agg.. Where yew dominates the woodland over rock outcrops or limestone pavement, the shrub and herb layers are sparse with only a few scattered holly and spindle and patches of dog’s mercury and ivy. Isolated trees of sycamore and oak frequently overtop the yew. A dense stand of beech is present along the north side of Coed Gaer but elsewhere beech is present as scattered past forestry plantings in Marl Hall Wood and Coed Bron-Garth. In all instances the shrub layer beneath the beech canopy is very sparse and there is much leaf litter with only a few bryophytes such as Mnium hornum, Isothecium myosuroides, Hypnum cupressiforme and Ctenidium molluscum on rock outcrops and where light filters to the ground. Small parts of both ridges are occupied by grassland, where grazing is maintained by sheep and/or rabbits. Associated with the grassland is heath, comprising heather Calluna vulgaris, bell-heather Erica cinerea and western gorse Ulex gallii. Where grazing intensity is least or, either in areas of lesser grazing intensity or where burning or cutting are no longer practised, some of the heath is becoming overtaken by an unwelcome succession to scrub of either hawthorn or blackthorn intermixed with gorse and young trees of silver birch, ash and sycamore. An open short turf amongst rock outcrops and bare ground occupies the rockiest and thinnest soils on the drought-prone edges and tops of the south-facing limestone cliffs and steepest slopes. This contains sheep’s fescue Festuca ovina, crested hair-grass Koeleria macrantha, meadow oat grass Avenula pratensis and quaking-grass Briza media with abundant herbs that include wild thyme Thymus polytrichus, salad burnet Poterium sanguisorba, carline thistle Carlina vulgaris, common rock-rose Helianthemum nummularium, kidney vetch Anthyllis vulneraria and the nationally scarce hoary rock-rose Helianthemum oelandicum ssp incanum. Mosses such as Weissia controversa and Trichostomum brachydontium are also common in this short turf. A closed sward of grasses and sedges occupies the less steep slopes away from cliff and crag tops where the soils are of moderate depth. This is the most extensive of the grassland communities present. It includes sheep’s fescue, crested hair-grass, quaking grass, common bent Agrostis capillaris, spring sedge Carex caryophyllea and glaucous sedge Carex flacca with the herbs common rockrose, salad burnet, wild thyme, common bird’s-foot-trefoil Lotus corniculatus, lady’s bedstraw Galium verum, dropwort Filipendula vulgaris, and harebell Campanula rotundifolia the most frequent of the many species present. Mosses common in this sward include Rhytidiadelphus squarrosus, Hypnum cupressiforme, Dicranum scoparium and Pseudoscleropodium purum. Spring squill Scilla verna is locally abundant in this community, although overall the site does not exhibit a maritime influence. Where grazing is least intense a taller rank sward is present where downy oat grass Avenula pubescens, red fescue Festuca rubra and cock's-foot Dactylis glomerata are the principal grasses. Herbs in this sward are relatively few with common rock-rose, wild thyme and mouse-ear hawkweed Pilosella officinarum the main representatives. Patches of gorse Ulex europaeus, hawthorn and blackthorn scrub and secondary woodland dominated by ash and sycamore are present around the peripheries of the tall rank sward. Small patches of limestone pavement occur along both ridges. The grikes (fissures in limestone rock formed or widened by the dissolvent effect of rain) contain a rich flora that includes juniper Juniperus communis, traveller’s-joy Clematis vitalba, blackthorn, hawthorn, ivy, wild privet Ligustrum vulgare, wild madder Rubia peregrina, wood anemone, lords-and-ladies, dog’s mercury and herb-Robert. The ferns maidenhair spleenwort Asplenium trichomanes and hart’s-tongue Asplenium scolopendrium also thrive in the deep shade inside the grikes. Rare vascular plants on the site that have a disjunct distribution in the British Isles include hoary rock-rose, spiked speedwell, Nottingham catchfly Silene nutans and hutchinsia Hornungia petraea. A northern element is represented by spring sandwort Minuartia verna and dark-red helleborine Epipactis atrorubens. Other rare and scarce species of note include spring cinquefoil Potentilla tabernaemontani, dwarf mouse-ear Cerastium pumilum, pale St. John’s-wort Hypericum montanum, white horehound Marrubium vulgare and a whitebeam Sorbus rupicola. All these are confined to skeletal, thin-soiled and frequently droughted sites and rock outcrops. The calcareous grasslands support an assemblage of invertebrates. The majority of the most significant species are confined to the hot, south and west-facing slopes particularly where mosaics of low scrub and herb-rich grassland develop under reduced grazing pressure. Past recording has revealed the presence of a diverse moth fauna including square spot dart Euxoa obelisca, pretty chalk carpet Melanthia procellata, light feathered rustic Agrotis cinerea, juniper pug Eupithecia pusillata, juniper carpet Thera juniperata, cistus forester Adscita geryon, horehound plume moth Wheeleria spilodactylus and white-spotted sable Anania funebris. Plant-feeding beetles are also well-represented, with scarce species such as the weevils Ceutorhynchus resedae, Cathormiocerus spinosus and Tychius squamulatus and the leaf beetles Cryptocephalus aureolus and Chrysolina oricalcia. The site supports small numbers of hibernating lesser horseshoe bat Rhinolophus hipposideros in the several caves and mine shafts. Remarks: 1. The site supports 'Tilio-Acerion forests of slopes, screes and ravines', 'Taxus baccata woods' and 'Semi-Natural Dry Grassland' habitats as described under Annex 1 of the EC Habitats Directive (Directive 92/43/EEC on the Conservation of Natural Habitats and of Wild Fauna and Flora). These are a component part of the Creuddyn Peninsula Woods / Coedwigoedd Penrhyn Creuddyn Special Area of Conservation (SAC). 2. This site incorporates Coed Bron-Garth SSSI, Gloddaeth SSSI, Marle Hall Woods SSSI and Pydew SSSI, all of which were first notified in 1960 for their limestone flora and insect interest. They were subsequently modified in 1978 and then re-notified in 1982 under the Wildlife and Countryside Act, 1981. 3. Spiked speedwell is a Schedule 8 species in the Wildlife and Countryside Act (as amended). 4. Nottingham catchfly and dwarf mouse-ear are Near Threatened (NT) on both the great Britain (GB) and Wales Vascular Plant Red Data Lists (VPRDL). Spring sandwort is NT on the GB VPRDL and Vulnerable (VU) on the Wales VPRL. Dark-red helleborine is Endangered (EN) on the Wales VPRDL. The whitebeam is VU on the Wales VPRDL. Pale St. John’s-wort is NT on the GB VPRDL.
Species mentioned
Show the 94 species mentioned in the description, with red-list statusPlant communities
CG9 — Limestone pavement, Lowland calcareous grassland, Upland calcareous grassland
Sesleria albicans-Galium sterneri grassland
Show 107 indicator speciesEmpetrum 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
Show 129 indicator speciesEmpetrum 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
Show 115 indicator speciesEmpetrum 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
Show 95 indicator speciesSalix 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
M5 — Limestone pavement, Upland spring flush
Carex rostrata-Sphagnum squarrosum mire
Show 50 indicator speciesCarex canescens, Carex echinata, Carex nigra, Carex rostrata, Eriophorum angustifolium, Juncus acutiflorus, Juncus articulatus, Juncus bulbosus, Juncus effusus, Luzula multiflora, Aulacomnium palustre, Bryum pseudotriquetrum, Plagiomnium rostratum, Rhizomnium pseudopunctatum, Calliergonell cuspidatum, Rhytidiadelphus squarrosus, Straminergon stramineum, Polytrichum commune, Sphagnum contortum, Sphagnum fallax, Sphagnum fimbriatum, Sphagnum palustre, Sphagnum squarrosum, Sphagnum subnitens, Sphagnum teres, Chiloscyphus polyanthos, Hydrocotyle vulgaris, Caltha palustris, Cirsium palustre, Myosotis scorpioides, Cardamine pratensis, Succisa pratensis, Silene flos-cuculi, Stellaria alsine, Equisetum fluviatile, Equisetum palustre, Mentha aquatica, Menyanthes trifoliata, Epilobium palustre, Rumex acetosa, Ranunculus flammula, Comarum palustre, Filipendula ulmaria, Galium palustre, Viola palustris, Agrostis canina, Deschampsia flexuosa, Holcus lanatus, Molinia caerulea, Phragmites australis
M10 — Limestone pavement, Upland spring flush
Carex dioica-Pinguicula vulgaris mire
Show 99 indicator speciesErica tetralix, Myrica gale, Carex capillaris, Carex demissa, Carex dioica, Carex echinata, Carex flacca, Carex hostiana, Carex lepidocarpa, Carex nigra, Carex panicea, Carex pulicaris, Eriophorum angustifolium, Eriophorum latifolium, Kobresia simpliciuscula, Schoenus ferrugineus, Schoenus nigricans, Trichophorum cespitosum, Eleocharis quinqueflora, Juncus acutiflorus, Juncus alpinoarticulatus, Juncus articulatus, Juncus bulbosus, Juncus squarrosus, Juncus triglumis, Luzula multiflora, Selaginella selaginoides, Breutelia chrysocoma, Bryum pseudotriquetrum, Catoscopium nigritum, Plagiomnium rostratum, Ditrichum flexicaule, Fissidens adianthoides, Racomitrium lanuginosum, Calliergonell cuspidatum, Cratoneuron filicinum, Ctenidium molluscum, Hylocomium splendens, Palustriella commutatum, Scorpidium revolvens, Scorpidium scorpioides, Hymenostylium recurvirostrum, Tortella tortuosa, Blindia acuta, Sphagnum subnitens, Scapania aspera, Aneura pinguis, Pellia endiviifolia, Angelica sylvestris, Caltha palustris, Cirsium palustre, Leontodon saxatilis, Scorzoneroides autumnalis, Taraxacum officianalis, Cardamine pratensis, Succisa pratensis, Valeriana dioica, Minuartia stricta, Minuartia verna, Sagina nodosa, Parnassia palustris, Drosera anglica, Drosera rotundifolia, Equisetum palustre, Equisetum variegatum, Triglochin palustre, Thymus praecox, Pinguicula lusitanica, Pinguicula vulgaris, Tofieldia pusilla, Linum catharticum, Narthecium ossifragum, Dactylorhiza fuchsii, Bartsia alpina, Euphrasia officinalis, Pedicularis palustris, Pedicularis sylvatica, Plantago maritima, Polygonum viviparum, Primula farinosa, Primula vulgaris, Ranunculus acris, Ranunculus flammula, Thalictrum alpinum, Filipendula ulmaria, Potentilla erecta, Galium palustre, Galium uliginosum, Saxifraga aizoides, Agrostis stolonifera, Anthoxanthum odoratum, Briza media, Deschampsia cespitosa, Festuca ovina, Festuca rubra, Holcus lanatus, Molinia caerulea, Nardus stricta, Sesleria caerulea
M26 — Limestone pavement, Purple moor grass and rush pasture
Molinia caerulea-Crepis paludosa mire
Show 63 indicator speciesCarex appropinquata, Carex disticha, Carex echinata, Carex flacca, Carex hostiana, Carex nigra, Carex panicea, Carex pulicaris, Juncus acutiflorus, Juncus articulatus, Juncus conglomeratus, Aulacomnium palustre, Plagiomnium undulatum, Calliergonell cuspidatum, Campylium elodes, Climacium dendroides, Ctenidium molluscum, Hylocomium splendens, Pseudoscleropodium purum, Rhytidiadelphus squarrosus, Thuidium tamariscinum, Lophocolea bidentata, Plagiochila asplenioides, Angelica sylvestris, Caltha palustris, Centaurea nigra, Cirsium palustre, Crepis paludosa, Leontodon hispidus, Serratula tinctoria, Succisa pratensis, Valeriana dioica, Silene flos-cuculi, Equisetum fluviatile, Equisetum palustre, Lathyrus pratensis, Trifolium repens, Menyanthes trifoliata, Rhinanthus minor, Plantago lanceolata, Rumex acetosa, Primula farinosa, Primula vulgaris, Anemone nemorosa, Ranunculus acris, Ranunculus auricomus, Trollius europaeus, Comarum palustre, Filipendula ulmaria, Geum rivale, Potentilla erecta, Sanguisorba officinalis, Galium palustre, Galium uliginosum, Agrostis stolonifera, Anthoxanthum odoratum, Briza media, Deschampsia cespitosa, Festuca ovina, Festuca rubra, Holcus lanatus, Molinia caerulea, Phragmites australis
M27 — Limestone pavement, Lowland fen, Upland spring flush
Filipendula ulmaria-Angelica sylvestris mire
Show 104 indicator speciesCarex acutiformis, Carex appropinquata, Carex disticha, Carex nigra, Carex panicea, Carex paniculata, Carex rostrata, Carex vesicaria, Juncus acutiflorus, Juncus articulatus, Juncus conglomeratus, Juncus effusus, Juncus inflexus, Juncus subnodulosus, Sparganium erectum, Plagiomnium elatum, Plagiomnium undulatum, Rhizomnium punctatum, Brachythecium rutabulum, Calliergon cordifolium, Calliergonell cuspidatum, Kindbergia praelonga, Rhytidiadelphus squarrosus, Thuidium tamariscinum, Chiloscyphus pallescens, Lophocolea bidentata, Angelica sylvestris, Heracleum sphondylium, Oenanthe crocata, Hydrocotyle vulgaris, Achillea ptarmica, Caltha palustris, Centaurea nigra, Cirsium arvense, Cirsium heterophyllum, Cirsium palustre, Crepis paludosa, Eupatorium cannabinum, Pulicaria dysenterica, Senecio aquaticus, Myosotis scorpioides, Cardamine flexuosa, Cardamine pratensis, Cochlearia pyrenaica, Succisa pratensis, Valeriana officinalis, Silene flos-cuculi, Stellaria alsine, Stellaria graminea, Calystegia sepium, Equisetum arvense, Equisetum fluviatile, Equisetum palustre, Lathyrus pratensis, Lotus pedunculatus, Vicia cracca, Iris pseudacorus, Ajuga reptans, Mentha aquatica, Lythrum salicaria, Epilobium hirsutum, Epilobium obscurum, Epilobium palustre, Polygonum amphibium, Polygonum hydropiper, Rumex acetosa, Rumex crispus, Rumex sanguineus, Lysimachia vulgaris, Primula vulgaris, Ranunculus acris, Ranunculus flammula, Ranunculus repens, Thalictrum flavum, Trollius europaeus, Alchemilla glabra, Comarum palustre, Filipendula ulmaria, Geum rivale, Potentilla anserina, Potentilla reptans, Rubus fruticosus agg., Sanguisorba officinalis, Galium aparine, Galium palustre, Galium uliginosum, Urtica dioica, Viola palustris, Agrostis canina, Agrostis stolonifera, Anthoxanthum odoratum, Arrhenatherum elatius, Dactylis glomerata, Elytrigia repens, Festuca rubra, Glyceria maxima, Holcus lanatus, Molinia caerulea, Phalaris arundinacea, Phleum pratense, Phragmites australis, Poa pratensis, Poa trivialis, Pteridium aquilinum
OV38 — Limestone pavement, Scree
Gymnocarpium robertianum-Arrhenatherum elatius community
Show 58 indicator speciesRosa spinosissima, Rubus saxatilis, Carex flacca, Bryum capillare, Dicranum scoparium, Distichium capillaceum, Fissidens dubius, Encalypta streptocarpa, Grimmia pulvinata, Racomitrium lanuginosum, Schistidium apocarpum, Calliergonell cuspidatum, Campyliadelphus chrysophyllus, Ctenidium molluscum, Eurhynchium striatum, Homalothecium sericeum, Hylocomium splendens, Hypnum cupressiforme, Neckera crispa, Pseudoscleropodium purum, Rhytidium rugosum, Tortella tortuosa, Cladonia pocillum, Centaurea nigra, Jacobaea vulgaris, Leontodon hispidus, Mycelis muralis, Pilosella officinarum, Tussilago farfara, Arabis hirsuta, Campanula rotundifolia, Mercurialis perennis, Vicia sepium, Geranium molle, Geranium robertianum, Origanum vulgare, Teucrium scorodonia, Oxalis acetosella, Aquilegia vulgaris, Thalictrum minus, Fragaria vesca, Poterium sanguisorba, Galium sterneri, Saxifraga tridactylites, Viola riviniana, Arrhenatherum elatius, Avenula pratensis, Brachypodium sylvaticum, Dactylis glomerata, Festuca ovina, Holcus lanatus, Poa pratensis, Schedonorus arundinaceus, Asplenium trichomanes, Asplenium viride, Dryopteris filix-mas, Cystopteris fragilis, Gymnocarpium robertianum
OV39 — Limestone pavement, Rocky slope
Asplenium trichomanes-Asplenium ruta-muraria community
Show 53 indicator speciesBryum capillare, Fissidens dubius, Encalypta streptocarpa, Schistidium apocarpum, Homalothecium sericeum, Hypnum cupressiforme, Neckera crispa, Syntrichia intermedia, Tortella tortuosa, Tortula muralis, Tortula ruralis, Tortula subulata, Trichostomum crispulum, Weissia controversa, Porella platyphylla, Reboulia hemisphaerica, Riccia sorocarpa, Targionia hypophylla, Cladonia pocillum, Dermatocarpon lachnaeum, Dermatocarpon miniatum, Squamarina cartilaginea, Toninia caeruleonigricans, Carlina vulgaris, Centaurea scabiosa, Pilosella officinarum, Arabidopsis thaliana, Hornungia petraea, Campanula rotundifolia, Scabiosa columbaria, Arenaria serpyllifolia, Silene nutans, Sedum acre, Medicago lupulina, Geranium molle, Acinos arvensis, Teucrium scorodonia, Thymus praecox, Veronica arvensis, Potentilla tabernaemontani, Poterium sanguisorba, Galium sterneri, Saxifraga tridactylites, Aira caryophyllea, Arrhenatherum elatius, Festuca ovina, Koeleria macrantha, Aphanes arvensis, Asplenium adiantum-nigrum, Asplenium ceterach, Asplenium ruta-muraria, Asplenium trichomanes, Anogramma leptophylla
OV40 — Limestone pavement, Rocky slope
Asplenium viride-Cystopteris fragilis community
Show 35 indicator speciesPlagiobryum zieri, Pohlia cruda, Fissidens dubius, Encalypta streptocarpa, Ctenidium molluscum, Homalothecium sericeum, Isopterygiopsis pulchella, Neckera crispa, Orthothecium intricatum, Orthothecium rufescens, Anoectangium aestivum, Tortella tortuosa, Trichostomum crispulum, Weissia controversa, Plagiochila porelloides, Porella platyphylla, Reboulia hemisphaerica, Pellia endiviifolia, Solorina saccata, Campanula rotundifolia, Geranium robertianum, Thymus praecox, Poterium sanguisorba, Galium sterneri, Arrhenatherum elatius, Festuca ovina, Koeleria macrantha, Asplenium ruta-muraria, Asplenium scolopendrium, Asplenium trichomanes, Asplenium viride, Polystichum aculeatum, Polystichum lonchitis, Anogramma leptophylla, Cystopteris fragilis
U4 — Lowland dry acid grassland, Upland acid grassland, Upland calcareous grassland
Festuca ovina-Agrostis capillaris-Galium saxatile grassland
Show 82 indicator speciesCalluna 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
Show 79 indicator speciesEmpetrum 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
W9 — Altantic hazel wood, Limestone pavement, Upland mixed ash wood
Fraxinus excelsior-Sorbus aucuparia-Mercurialis perennis woodland
Show 136 indicator speciesHedera helix, Salix cinerea, Acer campestre, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Pinus sylvestris, Prunus padus, Sorbus aucuparia, Alnus glutinosa, Populus tremula, Ulmus glabra, Sambucus nigra, Crataegus monogyna, Rubus saxatilis, Carex pallescens, Carex sylvatica, Luzula sylvatica, Mnium hornum, Plagiomnium rostratum, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum scoparium, Fissidens curnovii, Fissidens taxifolius, Brachythecium rutabulum, Cirriphyllum piliferum, Ctenidium molluscum, Eurhynchium striatum, Hylocomium splendens, Hypnum cupressiforme, Isothecium alopecuroides, Isothecium myosuroides, Kindbergia praelonga, Loeskeobryum brevirostre, Oxyrrhynchium hians, Plagiothecium denticulatum, Plagiothecium succulentum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Thuidium delicatulum, Thuidium tamariscinum, Atrichum undulatum, Polytrichum formosum, Lophocolea bidentata, Plagiochila asplenioides, Pellia endiviifolia, Pellia epiphylla, Adoxa moschatellina, Angelica sylvestris, Anthriscus sylvestris, Conopodium majus, Heracleum sphondylium, Sanicula europaea, Arum maculatum, Cirsium heterophyllum, Cirsium palustre, Crepis paludosa, Jacobaea vulgaris, Tussilago farfara, Cardamine flexuosa, Succisa pratensis, Valeriana officinalis, Silene dioica, Stellaria holostea, Mercurialis perennis, Vicia sepium, Geranium robertianum, Geranium sylvaticum, Ajuga reptans, Lamiastrum galeobdolon, Stachys sylvatica, Allium ursinum, Hyacinthoides non-scripta, Circaea lutetiana, Circaea x intermedia, Epilobium montanum, Oxalis acetosella, Digitalis purpurea, Veronica chamaedrys, Veronica montana, Rumex acetosa, Lysimachia nemorum, Primula vulgaris, Anemone nemorosa, Ficaria verna, Ranunculus acris, Ranunculus repens, Trollius europaeus, Alchemilla glabra, Alchemilla xanthochlora, Filipendula ulmaria, Fragaria vesca, Geum rivale, Geum urbanum, Potentilla erecta, Potentilla sterilis, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Cruciata laevipes, Galium aparine, Galium odoratum, Galium saxatile, Chrysosplenium oppositifolium, Urtica dioica, Viola riviniana, Agrostis capillaris, Agrostis stolonifera, Anthoxanthum odoratum, Arrhenatherum elatius, Brachypodium sylvaticum, Bromopsis ramosa, Dactylis glomerata, Deschampsia cespitosa, Holcus lanatus, Holcus mollis, Melica uniflora, Milium effusum, Poa trivialis, Schedonorus giganteus, Asplenium scolopendrium, Blechnum spicant, Pteridium aquilinum, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Athyrium filix-femina
W20 — Montane scrub
Salix lapponum-Luzula sylvatica scrub
Show 107 indicator speciesSalix arbuscula, Salix cinerea, Salix lapponum, Salix myrsinites, Salix phylicifolia, Salix reticulata, Empetrum nigrum, Calluna vulgaris, Salix lanata, Vaccinium myrtillus, Vaccinium uliginosum, Carex atrata, Carex bigelowii, Carex binervis, Carex flacca, Luzula multiflora, Luzula sylvatica, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Mnium hornum, Philonotis fontana, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum bonjeanii, Dicranum majus, Dicranum scoparium, Fissidens adianthoides, Racomitrium lanuginosum, Calliergonell cuspidatum, Ctenidium molluscum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Palustriella commutatum, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Scorpidium revolvens, Thuidium tamariscinum, Atrichum undulatum, Polytrichastrum alpinum, Sphagnum capillifolium, Sphagnum fallax, Sphagnum girgensohnii, Sphagnum palustre, Sphagnum russowii, Sphagnum squarrosum, Sphagnum subnitens, Sphagnum teres, Barbilophozia barbata, Chiloscyphus polyanthos, Diplophyllum albicans, Lophocolea bidentata, Plagiochila porelloides, Ptilidium ciliare, Scapania undulata, Cladonia squamosa, Peltigera canina, Angelica sylvestris, Caltha palustris, Hieraclium spp., Saussurea alpina, Solidago virgaurea, Campanula rotundifolia, Succisa pratensis, Valeriana officinalis, Rhodiola rosea, Vaccinium vitis-idaea, Thymus praecox, Epilobium anagallidifolium, Dactylorhiza viridis, Euphrasia officinalis, Rhinanthus minor, Oxalis acetosella, Oxyria digyna, Polygonum viviparum, Rumex acetosa, Anemone nemorosa, Ranunculus acris, Thalictrum alpinum, Alchemilla alpina, Alchemilla glabra, Filipendula ulmaria, Geum rivale, Galium boreale, Galium saxatile, Saxifraga aizoides, Saxifraga hypnoides, Saxifraga oppositifolia, Saxifraga stellaris, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Nardus stricta, Dryopteris dilatata, Phegopteris connectilis
W21 — Hedgerow scrub, Mixed scrub
Crataegus monogyna-Hedera helix scrub
Show 81 indicator speciesHedera helix, Salix cinerea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Corylus avellana, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Malus sylvestris, Sorbus aria, Taxus baccata, Ulmus glabra, Ulmus procera, Sambucus nigra, Viburnum lantana, Euonymus europaeus, Cornus sanguinea, Juniperus communis, Ligustrum vulgare, Clematis vitalba, Rhamnus cathartica, Crataegus laevigata, Crataegus monogyna, Prunus spinosa, Juncus effusus, Plagiomnium undulatum, Brachythecium rutabulum, Kindbergia praelonga, Rhynchostegium confertum, Tamus communis, Heracleum sphondylium, Torilis japonica, Arum maculatum, Arctium minus, Cirsium arvense, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Stellaria graminea, Stellaria holostea, Stellaria media agg., Calystegia sepium, Mercurialis perennis, Geranium robertianum, Iris foetidissima, Glechoma hederacea, Lamium purpureum, Origanum vulgare, Stachys sylvatica, Teucrium scorodonia, Allium ursinum, Hyacinthoides non-scripta, Circaea lutetiana, Rumex sanguineus, Anemone nemorosa, Ranunculus repens, Fragaria vesca, Geum urbanum, Potentilla sterilis, Poterium sanguisorba, Rosa arvensis, Rosa canina, Rubia peregrina, Rubus fruticosus agg., Galium aparine, Urtica dioica, Viola riviniana, Anisantha sterilis, Arrhenatherum elatius, Brachypodium pinnatum, Brachypodium sylvaticum, Bromopsis erecta, Dactylis glomerata, Elytrigia repens, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris filix-mas
W22 — Hedgerow scrub, Mixed scrub
Prunus spinosa-Rubus fruticosus scrub
Show 49 indicator speciesHedera helix, Acer campestre, Corylus avellana, Ulex europaeus, Prunus spinosa, Plagiomnium undulatum, Brachythecium rutabulum, Eurhynchium striatum, Kindbergia praelonga, Thuidium tamariscinum, Atrichum undulatum, Lophocolea bidentata, Achillea millefolium, Cardamine flexuosa, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Silene uniflora, Stellaria media agg., Mercurialis perennis, Geranium robertianum, Stachys sylvatica, Teucrium scorodonia, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Plantago lanceolata, Veronica chamaedrys, Armeria maritima, Rumex acetosa, Filipendula ulmaria, Geum urbanum, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Urtica dioica, Viola riviniana, Agrostis capillaris, Brachypodium sylvaticum, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris borreri, Dryopteris filix-mas