Coedydd De Dyffryn Maentwrog

Site of Special Scientific Interest · 52.9338, -3.9918

Climate exposure

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

Peatland

Peat habitats store centuries of carbon and depend on a stable, waterlogged water table. Warmer, drier summers dry out peat, making it far more vulnerable to wildfire and to carbon release — a pressure that can undo years of restoration work regardless of how well the site is otherwise managed.

Geology & landscape

Geological Feature: Gorge / Ravine · Geological Period: Cambrian · Rock Type: Mudstone, Sandstone, Siltstone

Landscape processes: Fluvial, Peatland / Mire, Periglacial

Birds & fish recorded

Birds

SpeciesSeason
buzzard Breeding
pied flycatcher Breeding
redstart Breeding
sparrowhawk Breeding
spotted flycatcher Breeding
wood warbler Breeding

Fish

SpeciesSeason
Grayling Unknown

Description

Description The site is of special interest for its biological interest, including semi-natural broadleaved woodland, a rare moss, liverworts, lichens, slime moulds and a population of lesser horseshoe bats. This site consists of four woodlands located on the southern side of the Vale of Ffestiniog, Ceunant Llennyrch, Ceunant Llechrwd, Coed Camlyn and Y Winllan Plantation, in the village of Maentwrog, including the impressive gorge on the Afon Prysor. The solid geology at this site is dominated by sedimentary rocks of Cambrian age, which crop out here on the northern flank of the Lower Palaeozoic Harlech Dome. Several geological formations are present and these are represented by a range of lithologies, including sandstone, siltstone and mudstone that span the Comley, St David's and Merioneth series. In addition, the sedimentary sequence is cut by numerous intrusions of both basic and intermediate rocks giving a variation of soil acidity and woodland types. At Coed Camlyn the wood has developed on a steep, cliffbacked slope where thin organic soils have developed over periglacial screes of Upper Cambrian shales. The sessile oak woodlands of southern Snowdonia form one of the most important areas for woodland nature conservation in Europe. This type of Atlantic woodland is often described as "temperate rainforest" due to the prevailing damp humid climate and associated abundance of ferns, lichens and the luxuriant growth of mosses and liverworts. The woodlands generally slope in a north-easterly direction and are interspersed with ravines giving a varied topography and, in particular, areas of high humidity that favour the development of a diverse lower plant flora (mosses, liverworts and lichens). The canopy of the woodland is most frequently dominated by sessile oak Quercus petraea, downy birch Betula pubescens and rowan Sorbus aucuparia. Ash Fraxinus excelsior, wych elm Ulmus glabra and sycamore Acer pseudoplatanus are locally present, where soils are less acidic. The shrub layer is sparse, with hazel Corylus avellana and holly Ilex aquifolium. Rhododendron Rhododendron ponticum, a non-native and highly invasive species, has been considerably reduced in recent years through concentrated efforts to control it. The field layer is characterised by the presence of grasses, ferns and heather Calluna vulgaris or bilberry Vaccinium myrtillus. Wavy hair-grass Deschampsia flexuosa is common throughout, together with abundant common bent grass Agrostis capillaris, sweet vernal-grass Anthoxanthum odoratum and creeping soft grass Holcus mollis, particularly in the grazed woodlands. A variety of herb species occur in the field layer, including wood sorrel Oxalis acetosella, tormentil Potentilla erecta, heath bedstraw Galium saxatile, cow wheat Melampyrum pratense, and bluebell Hyacinthoides non-scripta. In ungrazed areas, bramble Rubus fruticosus can be locally dominant, often at the expense of less competitive species. Bracken Pteridium aquilinum can also dominate where soils are deeper and where the canopy is more open. Ferns, such as hard fern Blechnum spicant and male fern Dryopteris filix-mas, also form a distinctive part of the field layer. The humid and mild conditions in the gorges make this a particularly good site for the filmy-ferns, Tunbridge filmy fern Hymenophyllum tunbrigense and Wilson's filmy fern Hymenophyllum wilsonii, as well as the hay scented buckler fern Dryopteris aemula, beech fern Phegopteris connectilis and royal fern Osmunda regalis. The moss and liverwort flora often exceeds the vascular plant flora in its diversity and abundance, forming a carpet that covers boulders, tree bases, and extends up rock faces and across thin peaty soils. Different species tend to be prominent in different microhabitats. The most abundant and characteristic species include Dicranum majus, Dicranum scoparium, Hylocomium splendens, Plagiothecium undulatum, Pleurozium schreberi, Polytrichastrum formosum, Rhytidiadelphus loreus, Thuidium tamariscinum, Isothecium myosuroides and Hypnum andoi. The wooded gorges provide the dark, humid conditions required to support a magnificent bryophyte flora. The gorge woodland at Ceunant Llennyrch is an outstanding site for mosses and liverworts, including the nationally rare moss Sematophyllum demissum which occurs on the moist slopes of boulders close to the main river. A further 25 species of moss and liverwort are nationally scarce, each with its preferred habitat niche and microclimate. These include the mosses Bartramia halleriana and Plagiopus oederianus, which form loose cushions in slightly base-enriched, dry rock crevices, Campylopus setifolius that prefers damp rocky banks and ledges in ravines and Grimmia atrata in areas with copper-rich rock. Among the nationally scarce liverworts are Crossocalyx hellerianus and Fuscocephaloziopsis catenulata, which grow on oak trunks or rotting logs, and Cryptothallus mirabilis, which is usually found among leaf litter beneath patches of bog moss Sphagnum spp. Eremonotus myriocarpus and Leiocolea heterocolpos often grow through cushions of moss on base-rich rock outcrops, while Radula voluta is restricted to extremely humid splash zones on shady damp rock faces. Most of the above are Atlantic species confined to western Britain. The lichen flora varies from lowland woodland species to upland types, together with a zone of transition. There is a fine development of the tree lungwort Lobaria pulmonaria community, which occurs on the largest open-grown oaks in the lower part of the valley. These species are indicative of clean air and low levels of air pollution and are declining across Britain. Other species recorded in the lowest part of the valley include the nationally scarce Rinodina isidioides together with Nevesia sampaiana, Thelopsis rubella and Parmelia horrescens. Three lichens regarded as being indicators of ancient woodland sites are also present, Thelotrema lepadinum, Loxospora elatina and Lecidea cinnabarinum. The rare lichen Parmentaria chilensis occurs at the site. In addition, a further 12 nationally rare lichens have been recorded including Chaenothecopsis savonica, Micarea viridileprosa, Micarea xanthonica, Porina hibernica, Porocyphus kenmorensis and Verrucaria pachyderma. Most of the lichen interest occurs on well-lit trees associated with open areas and/or at the woodland edges. The largest numbers of rare and scarce lichen species are found growing on sessile oak and birch. 42 nationally scarce species are known to occur at the site, which include Phyllopsora rosei, Parmelinopsis horrescens, and Micarea stipitata. Other examples include Arthonia leucopellaea, Bacidia absistens, Cladonia incrassata, Fuscopannaria sampaiana, Lecidea taylorii, Lecanora epanora, Ropalospora viridis and Lecanactis biformigera. The slime mould (Myxomycetes) flora that occurs on moss covered boulders in the damp, humid conditions of the stream gorges is also of national importance. 7 of the Atlantic ravine association species, Colloderma oculatum, Craterium muscorum, Diderma lucidum, D. ochraceum, Fuligo muscorum, Lamproderma columbinum and Lepidoderma tigrinum occur here. Other species of interest include the rare bark species Licea synsporos and the very rare Paradiacheopsis acanthodes. There is a nursery roost for lesser horseshoe bats Rhinolophus hipposideros at Pen-lan house at Maentwrog. This colony forms part of a much larger population in the Maentwrog valley and is probably linked to populations in the Glaslyn valley and south towards Harlech. Small numbers of greater horseshoe bats R. ferrumequinum are occasionally found at roosts used by lesser horseshoe bats in the valley. The combination of woodland and grazed pastures along the Afon Dwyryd provides a rich source of invertebrate prey throughout the year. The site also supports other bat species, including brown long-eared bat Plecotus auritus, Natterer's bat Myotis nattereri, whiskered bat Myotis mystacinus, Brandt's bat Myotis brandtii, soprano pipistrelle Pipistrellus pygmaeus, common pipistrelle Pipistrellus pipistrellus and noctule bat Nyctalus noctula. The woodland supports breeding bird species typical of western oak woods, including pied flycatcher Ficedula hypoleuca, wood warbler Phylloscopus sibilatrix, redstart Phoenicurus phoenicurus., sparrowhawk Accipiter nisus and buzzard Buteo buteo. Other breeding birds of conservation importance are song thrush Turdus philomelos, bullfinch Pyrrhula pyrrhula and spotted flycatcher Muscicapa striata. Otter Lutra lutra are occasionally seen in the streams and rivers in the area and a wide variety of moth and butterfly species have been recorded in the woodland, including the small pearlbordered fritillary Boloria selene and grayling Hipparchia semele. Remarks: The site incorporates Coed Camlyn SSSI (first notified in 1986) and Ceunant Llennyrch SSSI which was first notified in 1959 and renotified in 1977 and 1988. Ceunant Llennyrch and Coed Camlyn are component parts of the western oakwood complex of 'Coedydd Dyffryn Maentwrog' graded 1*, that is of international importance in "A Nature Conservation Review" (Ratcliffe, D. 1977) and parts of the site have been declared as a National Nature Reserve. Parts of the site are owned by CCW, Snowdonia National Park Authority and Coed Cadw. The site lies within Snowdonia National Park. Part of the site underpins the Coedydd Derw a Safleoedd Ystlumod Meirion/Meirionnydd Oakwoods and Bat Sites Special Area of Conservation. The SAC features present are: • Old sessile oak woods with Ilex and Blechnum in the British Isles • Tilio-Acerion forests of slopes, screes and ravines • Lesser horseshoe bat Rhinolophus hipposideros. Lesser and greater horseshoe bat, common pipistrelle bat, soprano pipistrelle bat, brown longeared bat, Natterer's bat, whiskered bat, Brandt's bat, noctule bat and otter are listed on Schedule 5 of the Wildlife and Countryside Act 1981 (as amended) and Annex IV of the EC Habitats Directive (92/43/EEC). Lesser horseshoe bat, greater horseshoe bat and otter are also listed on Annex II of the EC Habitats Directive.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
Brandt's bat Myotis brandtii DD bat vespertillonidae
whiskered bat Myotis mystacinus DD bat vespertillonidae
Natterer's bat Myotis nattereri LC bat vespertillonidae
noctule bat Nyctalus noctula LC bat vespertillonidae
common pipstrelle bat Pipistrellus pipistrellus LC bat vespertillonidae
Soprano pipistrelle bat Pipistrellus pygmaeus LC bat vespertillonidae
brown long-eared bat Plecotus auritus LC bat vespertillonidae
lesser horseshoe bat Rhinolophus hipposideros LC bat vespertillonidae
bullfinch Pyrrhula pyrrhula LC (Breeding) bird-finch fringillidae
sparrowhawk Accipiter nisus NT (Breeding) bird-hawk falconidae
buzzard Buteo buteo LC (Breeding) bird-hawk falconidae
pied flycatcher Ficedula hypoleuca VU (Breeding) bird-robin muscicapidae
spotted flycatcher Muscicapa striata LC (Breeding) bird-robin muscicapidae
redstart Phoenicurus phoenicurus LC (Breeding) bird-robin muscicapidae
song thrush Turdus philomelos NT (Breeding) bird-thrush turdidae
wood warbler Phylloscopus sibilatrix VU (Breeding) bird-warbler phylloscopidae
small pearl-bordered Boloria selene VU butterfly nymphalidae
grayling Hipparchia semele EN butterfly nymphalidae
otter Lutra lutra LC carnivore mustelidae
hard fern Blechnum spicant LC fern blechnaceae
hay-scented fern Dryopteris aemula LC fern dryopteridaceae
male fern Dryopteris filix-mas LC fern dryopteridaceae
Tunrbidge filmy-fern Hymenophyllum tunbrigense VU fern hymenophyllaceae
Wilson's filmy-fern Hymenophyllum wilsonii VU fern hymenophyllaceae
royal fern Osmunda regalis LC fern osmundaceae
beech fern Phegopteris connectilis LC fern thelypteridaceae
bracken Pteridium aquilinum LC fern dennstaedtiaceae
common bent Agrostis capillaris LC grass poaceae
sweet vernal grass Anthoxanthum odoratum LC grass poaceae
wavy hair grass Deschampsia flexuosa Not listed in GB list grass poaceae
creeping soft grass Holcus mollis LC grass poaceae
heath bedstraw Galium saxatile LC herb rubiaceae
bluebell Hyacinthoides non-scripta LC herb liliaceae
common cowwheat Melampyrum pratense VU herb orobanchaceae
wood sorrel Oxalis acetosella LC herb oxalidaceae
tormentil Potentilla erecta LC herb rosaceae
bramble Rubus fruticosus LC herb rosaceae
a comma lichen Arthonia leucopellaea Not listed in GB list lichen no common name
powder-foot british soldiers Cladonia incrassata LC lichen no common name
brown shingle lichen Fuscopannaria sampaiana Not listed in GB list lichen no common name
tree lungwort Lobaria pulmonaria LC lichen no common name
Loxospora elatina LC lichen sarrameanaceae
moss Nevesia sampaiana NT lichen pannariaceae
hairy-spined shield lichen Parmelinopsis horrescens Not listed in GB list lichen no common name
lichen Phyllopsora rosei LC lichen ramalinaceae
no common name Porina hibernica NT lichen no common name
no common name Thelopsis rubella LC lichen no common name
barnacle lichen Thelotrema lepadinum LC lichen no common name
ghostwort Cryptothallus mirabilis Not listed in GB list liverwort metzgeriales
ragged notchwort Leiocolea heterocolpos Not listed in GB list liverwort jungermanniales
Craterium muscorum Not listed in GB list microorganism physaraceae
Bartramia halleriana LC moss bartramiaceae
silky swan neck moss Campylopus setifolius LC moss dicranales
moss Crossocalyx hellerianus Not listed in GB list moss anastrophyllaceae
greater fork moss Dicranum majus LC moss dicranales
broom fork moss Dicranum scoparium LC moss dicranales
Fuscocephaloziopsis catenulata Not listed in GB list moss cephaloziaceae
glittering wood moss Hylocomium splendens LC moss hypnales
mamillate plait moss Hypnum andoi LC moss hypnales
mouse-tail moss Isothecium myosuroides LC moss hypnales
Oeder's apple moss Plagiopus oederianus LC moss bryales
waved silk moss Plagiothecium undulatum LC moss hypnales
red stemmed feather moss Pleurozium schreberi LC moss hypnales
bank haircap Polytrichastrum formosum Not listed in GB list moss polytrichales
little shaggy moss Rhytidiadelphus loreus LC moss hypnales
prostrate signal moss Sematophyllum demissum VU moss hypnales
bog moss Sphagnum spp. Not listed in GB list moss sphagnales
common tamarisk moss Thuidium tamariscinum LC moss hypnales
rhodedendron Rhododendron ponticum Not listed in GB list shrub ericaceae
billberry Vaccinium myrtillus LC shrub ericaceae
bell heather or ling Calluna vulgaris NT shrub dwarf ericaceae
sycamore Acer pseudoplatanus Not listed in GB list tree aceraceae
downy birch Betula pubescens LC tree betulaceae
hazel Corylus avellana LC tree corylaceae
ash Fraxinus excelsior LC tree oleaceae
holly Ilex aquifolium LC tree aquifoliaceae
sessile or durmast oak Quercus petraea LC tree fagaceae
rowan Sorbus aucuparia LC tree rosaceae
wych elm Ulmus glabra LC tree ulmaceae

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

M1 — Blanket bog, Raised bog

Sphagnum auriculatum bog pool community

Erica tetralix, Myrica gale, Carex limosa, Eriophorum angustifolium, Rhynchospora alba, Rhynchospora fusca, Trichophorum cespitosum, Eleocharis multicaulis, Juncus bulbosus, Sphagnum auriculatum, Sphagnum cuspidatum, Sphagnum fallax, Sphagnum magellanicum, Sphagnum palustre, Sphagnum papillosum, Sphagnum pulchrum, Sphagnum subnitens, Cladopodiella fluitans, Gymnocolea inflata, Ordontoschisma sphagni, Drosera anglica, Drosera intermedia, Drosera rotundifolia, Utricularia intermedia, Utricularia minor, Menyanthes trifoliata, Narthecium ossifragum, Potamogeton polygonifolius, Scheuchzeria palustris, Molinia caerulea

M2 — Blanket bog, Raised bog, Valley mire

Sphagnum cuspidatum/recurvum bog pool community

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica tetralix, Myrica gale, Andromeda polifolia, Vaccinium oxycoccos, Carex canescens, Carex magellanica, Carex rostrata, Eriophorum angustifolium, Eriophorum vaginatum, Rhynchospora alba, Aulacomnium palustre, Polytrichum commune, Polytrichum strictum, Sphagnum cuspidatum, Sphagnum fallax, Sphagnum magellanicum, Sphagnum palustre, Sphagnum papillosum, Sphagnum pulchrum, Sphagnum tenellum, Cephalozia connivens, Cephalozia lunulifolia, Gymnocolea inflata, Mylia anomala, Ordontoschisma sphagni, Cladonia impexa, Cladonia uncialis, Drosera anglica, Drosera intermedia, Drosera rotundifolia, Menyanthes trifoliata, Narthecium ossifragum, Agrostis canina, Deschampsia flexuosa, Molinia caerulea

M3 — Blanket bog, Raised bog

Eriophorum angustifolium bog pool community

Empetrum nigrum subsp.nigrum, Erica tetralix, Eriophorum angustifolium, Eriophorum vaginatum, Campylopus brevipilus, Drepanocladus fluitans, Polytrichum commune, Sphagnum cuspidatum, Sphagnum fallax, Sphagnum papillosum, Gymnocolea inflata, Ordontoschisma sphagni, Drosera rotundifolia, Agrostis canina, Molinia caerulea

M15 — Blanket bog, Raised bog, Upland wet heath

Scirpus cespitosus-Erica tetralix wet heath

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica cinerea, Erica tetralix, Myrica gale, Vaccinium myrtillus, Carex binervis, Carex demissa, Carex dioica, Carex echinata, Carex nigra, Carex panicea, Carex pilulifera, Carex pulicaris, Eriophorum angustifolium, Eriophorum vaginatum, Schoenus nigricans, Trichophorum cespitosum, Juncus acutiflorus, Juncus articulatus, Juncus bulbosus, Juncus conglomeratus, Juncus effusus, Juncus squarrosus, Luzula multiflora, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Breutelia chrysocoma, Pohlia nutans, Campylopus atrovirens, Campylopus flexuosus, Dicranum scoparium, Leucobryum glaucum, Racomitrium lanuginosum, Hylocomium splendens, Hypnum cupressiforme, Hypnum jutlandicum, Plagiothecium undulatum, Pleurozium schreberi, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Scorpidium revolvens, Scorpidium scorpioides, Polytrichum commune, Sphagnum auriculatum, Sphagnum capillifolium, Sphagnum compactum, Sphagnum fallax, Sphagnum palustre, Sphagnum papillosum, Sphagnum subnitens, Sphagnum tenellum, Calypogeia fissa, Calypogeia muelleriana, Diplophyllum albicans, Lophozia ventricosa, Ordontoschisma sphagni, Pleurozia purpurea, Aneura pinguis, Cladonia arbuscula, Cladonia chlorophaea, Cladonia coccifera, Cladonia impexa, Cladonia uncialis, Succisa pratensis, Drosera anglica, Drosera rotundifolia, Hypericum pulchrum, Triglochin palustre, Pinguicula vulgaris, Menyanthes trifoliata, Narthecium ossifragum, Dactylorhiza maculata, Euphrasia officinalis, Pedicularis palustris, Pedicularis sylvatica, Polygala serpyllifolia, Trientalis europaea, Potentilla erecta, Galium saxatile, Viola palustris, Agrostis canina, Agrostis capillaris, Agrostis stolonifera, Anthoxanthum odoratum, Danthonia decumbens, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Festuca vivipara, Molinia caerulea, Nardus stricta, Blechnum spicant, Pteridium aquilinum

M17 — Blanket bog

Scirpus cespitosus-Eriophorum vaginatum blanket mire

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica cinerea, Erica tetralix, Myrica gale, Vaccinium myrtillus, Carex demissa, Carex echinata, Carex nigra, Carex panicea, Eriophorum angustifolium, Eriophorum vaginatum, Rhynchospora alba, Schoenus nigricans, Trichophorum cespitosum, Juncus acutiflorus, Juncus squarrosus, Luzula multiflora, Huperzia selago, Aulacomnium palustre, Breutelia chrysocoma, Pohlia nutans, Campylopus atrovirens, Campylopus flexuosus, Campylopus setifolius, Campylopus shawii, Dicranum scoparium, Leucobryum glaucum, Racomitrium lanuginosum, Hylocomium splendens, Hypnum cupressiforme, Hypnum jutlandicum, Plagiothecium undulatum, Pleurozium schreberi, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Polytrichum commune, Polytrichum strictum, Sphagnum auriculatum, Sphagnum capillifolium, Sphagnum cuspidatum, Sphagnum imbricatum, Sphagnum magellanicum, Sphagnum palustre, Sphagnum papillosum, Sphagnum strictum, Sphagnum subnitens, Sphagnum tenellum, Calypogeia fissa, Diplophyllum albicans, Kurzia pauciflora, Lophozia ventricosa, Mylia anomala, Mylia taylorii, Ordontoschisma sphagni, Pleurozia purpurea, Ptilidium ciliare, Scapania gracilis, Cladonia arbuscula, Cladonia coccifera, Cladonia impexa, Cladonia uncialis, Cornicularia aculeata, Drosera anglica, Drosera rotundifolia, Vaccinium vitis-idaea, Pinguicula vulgaris, Narthecium ossifragum, Pedicularis sylvatica, Polygala serpyllifolia, Potentilla erecta, Galium saxatile, Agrostis canina, Anthoxanthum odoratum, Deschampsia flexuosa, Festuca ovina, Molinia caerulea, Nardus stricta

M18 — Blanket bog, Raised bog

Erica tetralix-Sphagnum papillosum raised and blanket mire

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica tetralix, Myrica gale, Andromeda polifolia, Vaccinium myrtillus, Vaccinium oxycoccos, Eriophorum angustifolium, Eriophorum vaginatum, Rhynchospora alba, Trichophorum cespitosum, Juncus squarrosus, Aulacomnium palustre, Pohlia nutans, Campylopus flexuosus, Dicranum scoparium, Racomitrium lanuginosum, Hypnum cupressiforme, Hypnum jutlandicum, Plagiothecium undulatum, Pleurozium schreberi, Rhytidiadelphus loreus, Polytrichum commune, Polytrichum strictum, Sphagnum capillifolium, Sphagnum cuspidatum, Sphagnum fallax, Sphagnum fuscum, Sphagnum magellanicum, Sphagnum palustre, Sphagnum papillosum, Sphagnum pulchrum, Sphagnum subnitens, Sphagnum tenellum, Calypogeia muelleriana, Cephalozia bicuspidata, Cephalozia connivens, Cladopodiella fluitans, Kurzia pauciflora, Lophozia ventricosa, Mylia anomala, Ordontoschisma sphagni, Hypogymnia physodes, Cladonia arbuscula, Cladonia gracilis, Cladonia impexa, Cladonia uncialis, Drosera anglica, Drosera rotundifolia, Vaccinium vitis-idaea, Narthecium ossifragum, Rubus chamaemorus, Deschampsia flexuosa, Molinia caerulea

M19 — Blanket bog, Raised bog

Calluna vulgaris-Eriophorum vaginatum blanket mire

Empetrum nigrum, Empetrum nigrum subsp.nigrum, Calluna vulgaris, Erica tetralix, Betula nana, Arctostaphylos alpinus, Vaccinium microcarpum, Vaccinium myrtillus, Vaccinium oxycoccos, Vaccinium uliginosum, Carex bigelowii, Carex binervis, Carex nigra, Eriophorum angustifolium, Eriophorum vaginatum, Trichophorum cespitosum, Juncus squarrosus, Luzula sylvatica, Huperzia selago, Aulacomnium palustre, Pohlia nutans, Campylopus flexuosus, Dicranum fuscescens, Dicranum majus, Dicranum scoparium, Racomitrium lanuginosum, Hylocomium splendens, Hypnum cupressiforme, Hypnum jutlandicum, Plagiothecium undulatum, Pleurozium schreberi, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Polytrichastrum alpinum, Polytrichum commune, Polytrichum strictum, Sphagnum capillifolium, Sphagnum compactum, Sphagnum fallax, Sphagnum fuscum, Sphagnum palustre, Sphagnum papillosum, Sphagnum russowii, Sphagnum subnitens, Sphagnum tenellum, Barbilophozia floerkei, Calypogeia fissa, Calypogeia muelleriana, Calypogeia trichomanis, Cephalozia bicuspidata, Diplophyllum albicans, Kurzia pauciflora, Lophozia ventricosa, Mylia anomala, Mylia taylorii, Ordontoschisma sphagni, Ptilidium ciliare, Hypogymnia physodes, Cetraria islandica, Cladonia arbuscula, Cladonia bellidiflora, Cladonia coccifera, Cladonia floerkeana, Cladonia gracilis, Cladonia impexa, Cladonia squamosa, Cladonia tenuis, Cladonia uncialis, Cornicularia aculeata, Cornus suecica, Drosera rotundifolia, Vaccinium vitis-idaea, Pinguicula vulgaris, Narthecium ossifragum, Neottia cordata, Potentilla erecta, Rubus chamaemorus, Galium saxatile, Melanpyrum pratense, Deschampsia flexuosa, Festuca vivipara, Molinia caerulea, Nardus stricta, Blechnum spicant

M20 — Blanket bog, Raised bog, Valley mire

Eriophorum vaginatum blanket and raised mire

Empetrum nigrum subsp.nigrum, Calluna vulgaris, Vaccinium myrtillus, Carex bigelowii, Eriophorum angustifolium, Eriophorum vaginatum, Trichophorum cespitosum, Juncus squarrosus, Orthodontium lineare, Pohlia nutans, Campylopus flexuosus, Dicranum scoparium, Drepanocladus fluitans, Hypnum jutlandicum, Plagiothecium undulatum, Pleurozium schreberi, Polytrichum commune, Sphagnum capillifolium, Sphagnum fuscum, Sphagnum papillosum, Barbilophozia floerkei, Calypogeia muelleriana, Calypogeia trichomanis, Cephalozia bicuspidata, Cephaloziella hampeana, Diplophyllum albicans, Gymnocolea inflata, Kurzia pauciflora, Lophozia ventricosa, Mylia taylorii, Ptilidium ciliare, Cetraria islandica, Cladonia arbuscula, Cladonia chlorophaea, Cladonia coccifera, Cladonia floerkeana, Cladonia impexa, Cladonia squamosa, Cladonia uncialis, Cornicularia aculeata, Rubus chamaemorus, Deschampsia flexuosa, Festuca ovina

M25 — Blanket bog, Coastal floodplain grazing marsh, Lowland fen, Purple moor grass and rush pasture, Upland acid grassland

Molinia caerulea-Potentilla erecta mire

Salix cinerea, Calluna vulgaris, Erica tetralix, Myrica gale, Vaccinium oxycoccos, Ulex europaeus, Ulex gallii, Carex echinata, Carex flacca, Carex nigra, Carex panicea, Eriophorum angustifolium, Schoenus nigricans, Juncus acutiflorus, Juncus articulatus, Juncus effusus, Juncus subnodulosus, Luzula campestris, Luzula multiflora, Aulacomnium palustre, Pohlia nutans, Calliergon giganteum, Calliergonell cuspidatum, Hypnum jutlandicum, Kindbergia praelonga, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus squarrosus, Polytrichum commune, Sphagnum auriculatum, Sphagnum capillifolium, Sphagnum fallax, Sphagnum palustre, Sphagnum papillosum, Sphagnum subnitens, Calypogeia fissa, Cephalozia bicuspidata, Lophocolea bidentata, Lophozia ventricosa, Angelica sylvestris, Carum verticillatum, Hydrocotyle vulgaris, Achillea ptarmica, Centaurea nigra, Cirsium palustre, Eupatorium cannabinum, Pulicaria dysenterica, Serratula tinctoria, Cardamine pratensis, Lobelia urens, Succisa pratensis, Valeriana officinalis, Equisetum palustre, Lotus pedunculatus, Hypericum pulchrum, Hypericum tetrapterum, Mentha aquatica, Scutellaria minor, Menyanthes trifoliata, Narthecium ossifragum, Epilobium palustre, Dactylorhiza maculata, Rumex acetosa, Ranunculus acris, Ranunculus flammula, Filipendula ulmaria, Potentilla erecta, Rubus fruticosus agg., Galium palustre, Viola palustris, Agrostis canina, Agrostis capillaris, Agrostis curtisii, Agrostis stolonifera, Anthoxanthum odoratum, Danthonia decumbens, Deschampsia cespitosa, Festuca ovina, Festuca rubra, Holcus lanatus, Molinia caerulea, Nardus stricta, Phragmites australis, Dryopteris carthusiana, Osmunda regalis

W25 — Bracken scrub

Pteridium aquilinum-Rubus fruticosus underscrub

Hedera helix, Acer pseudoplatanus, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Sambucus nigra, Ulex europaeus, Crataegus monogyna, Prunus spinosa, Luzula multiflora, Mnium hornum, Brachythecium rutabulum, Kindbergia praelonga, Angelica sylvestris, Conopodium majus, Heracleum sphondylium, Arum maculatum, Cirsium arvense, Lonicera periclymenum, Silene dioica, Stellaria holostea, Mercurialis perennis, Geranium robertianum, Glechoma hederacea, Teucrium scorodonia, Hyacinthoides non-scripta, Chamerion angustifolium, Circaea lutetiana, Digitalis purpurea, Rumex acetosa, Anemone nemorosa, Ficaria verna, Potentilla erecta, Rosa arvensis, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Galium mollugo sens.lat., Galium saxatile, Urtica dioica, Viola riviniana, Agrostis capillaris, Anthoxanthum odoratum, Arrhenatherum elatius, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Pteridium aquilinum, Dryopteris dilatata, Dryopteris filix-mas