Arnecliff and Park Hole Woods
Condition (Natural England)
| Unit | Feature | Condition | Area (ha) | Assessed |
|---|---|---|---|---|
| NZ781046 | — | Unfavourable Recovering | 17.15 | 2009-11-17 |
| NZ788048 | — | Favourable | 32.37 | 2016-06-15 |
| NZ792040 | — | Favourable | 2.72 | 2016-06-15 |
Description
Description The woodland community includes upland oak woodland on acidic soils with holly Ilex aquifolium, hard fern Blechnum spicant and a species rich fern community. Of particular interest is a large population of the Killarney Fern Trichomanes speciosum, an internationally rare species. General description The site consists of East Arnecliff Wood, running east to west and part of Park Hole Wood, running north to south, which are ancient semi natural woodlands and part of West Arnecliff Wood which also runs from north to south and is a mixture of ancient semi natural and ancient replanted woodland. These woods are an important feature of Glaisdale valley which lies round the River Esk. East Arnecliff Wood rises steeply on the southern bank of the River Esk. Pedunculate oak Quercus robur, rowan Sorbus aucuparia and birch Betula Sp. are widespread and abundant. Wych elm Ulmus glabra is locally frequent and there is a widespread shrub layer of hazel Corylus avellana, some holly and occasional hawthorn Crataegus monogyna. The upper acidic parts have widespread wavy hair grass Deschampsia flexuosa, with greater wood rush Luzula sylvatica, hairy wood rush Luzula pilosa, bilberry Vaccinium myrtillus, scattered heather Calluna vulgaris, hard fern and mosses. West Arnecliff Wood is contiguous with East Arnecliff Wood. The wood rises steeply up from Glaisdale beck and is west facing. Park Hole Wood is a mixed deciduous wood occupying a moderately steep sided south facing valley. There is a mixture of mature and sub mature oak Quercus sp and birch. Alder Alnus glutinosa is scattered near the beck. hazel is widespread in the shrub layer with scattered or locally frequent holly, hawthorn and blackthorn Prunus spinosa. The herb layer is moderately diverse and includes hard shield fern Polystichum aculeatum, tufted hair grass Deschampsia cespitosa and sedges Carex sp. The wood lies adjacent to water courses and have several springs among the rocky areas which provide damp, sheltered and shaded conditions in which a rich fern and moss flora thrives. This flora includes the locally rare species Tunbridge filmy fern Hymenophyllum tunbrigense and hay scented buckler fern Dryopteris aemula. The regionally rare wood fescue grass Festuca altissima is also present on this site. East Arnecliff Wood also contains a few shallow pools. Other information The Killarney fern is listed on Annex II and IVa of the European Communities Directive 92/43/ EEC, on the Conservation of Natural Habitats and of Wild Fauna and Flora – The Habitats Directive Convention of the Conservation of European Wildlife and Natural Habitats, BERNI Schedule 8 of the Wildlife and Countryside Act 1981 Conservation Regulations 94 and the priority species list for Biodiversity Action Plan the IUCN Red Data Book as ‘rare’ in the great Britain Red Data Book as ‘vulnerable’
Species mentioned
Show the 20 species mentioned in the description, with red-list statusInsects to look out for
These moths, butterflies and beetles are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a host-plant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.
| Species | Status | Via host-plant |
|---|---|---|
| Speckled footman Coscinia cribraria |
Critically Endangered | Vaccinium myrtillus |
| Oak lutestring Cymatophorina diluta |
Endangered | Quercus robur |
| Figure of eight Diloba caeruleocephala |
Endangered | Crataegus spp., Prunus spinosa, Prunus spp. |
| The lappet Gastropacha quercifolia |
Endangered | Crataegus monogyna, Prunus spinosa, Prunus spp. |
| Shoulder-striped clover Heliothis maritima |
Endangered | Calluna vulgaris |
| Scarce vapourer Orgyia recens |
Endangered | Alnus glutinosa, Corylus avellana, Crataegus spp., Prunus spinosa, Quercus spp., Ulmus spp. |
| Black hairstreak Satyrium pruni |
Endangered | Prunus spinosa |
| White-letter hairstreak Satyrium w-album |
Endangered | Ulmus glabra, Ulmus spp. |
| Mouse moth Amphipyra tragopoginis |
Vulnerable | Crataegus spp. |
| The sprawler Asteroscopus sphinx |
Vulnerable | Corylus avellana, Crataegus spp., Prunus spinosa, Prunus spp., Quercus spp., Ulmus spp. |
| Broom moth Ceramica pisi |
Vulnerable | Calluna vulgaris, Ulmus spp., Vaccinium myrtillus |
| Mottled umber Erannis defoliaria |
Vulnerable | Corylus avellana, Crataegus spp., Prunus spinosa, Quercus spp., Sorbus aucuparia, Ulmus spp., Vaccinium myrtillus |
| Satyr pug Eupithecia satyrata |
Vulnerable | Calluna vulgaris |
| Grayling Hipparchia semele |
Vulnerable | Deschampsia cespitosa |
| True lover's knot Lycophotia porphyrea |
Vulnerable | Calluna vulgaris |
| The lackey Malacosoma neustria |
Vulnerable | Corylus avellana, Crataegus monogyna, Prunus spinosa, Prunus spp., Quercus spp., Ulmus spp. |
| Pale brindled Phigalia pilosaria |
Vulnerable | Alnus glutinosa, Corylus avellana, Crataegus monogyna, Prunus spinosa, Quercus spp., Ulmus glabra |
| Silver studded blue Plebejus argus |
Vulnerable | Calluna vulgaris |
| The anomalous Stilbia anomala |
Vulnerable | Deschampsia cespitosa |
| Brown hairstreak Thecla betulae |
Vulnerable | Prunus spinosa |
| Early moth Theria primaria |
Vulnerable | Crataegus monogyna, Prunus spinosa, Quercus spp., Vaccinium myrtillus |
| Pale eggar Trichiura crataegi |
Vulnerable | Calluna vulgaris, Corylus avellana, Crataegus monogyna, Prunus spinosa, Quercus spp., Vaccinium myrtillus |
| Oak hook-tip Watsonalla binaria |
Vulnerable | Quercus robur |
| Flounced chestnut Agrochola helvola |
Near Threatened | Calluna vulgaris, Crataegus monogyna, Quercus spp., Ulmus spp., Vaccinium myrtillus |
| Beaded chestnut Agrochola lychnidis |
Near Threatened | Crataegus monogyna, Vaccinium myrtillus |
| Grey chi Antitype chi |
Near Threatened | Crataegus monogyna |
| Garden tiger Arctia caja |
Near Threatened | Prunus spinosa, Sorbus aucuparia |
| Light crimson underwing Catocala promissa |
Near Threatened | Quercus robur |
| Dark crimson underwing Catocala sponsa |
Near Threatened | Quercus robur |
| Dusky-lemon sallow Cirrhia gilvago |
Near Threatened | Ulmus glabra |
| The sallow Cirrhia icteritia |
Near Threatened | Ulmus glabra |
| Small heath Coenonympha pamphilus |
Near Threatened | Festuca spp. |
| Rosy marsh moth Coenophila subrosea |
Near Threatened | Vaccinium myrtillus |
| Dingy mocha Cyclophora pendularia |
Near Threatened | Alnus glutinosa |
| Heart moth Dicycla oo |
Near Threatened | Quercus robur |
| Grey scalloped Dyscia fagaria |
Near Threatened | Calluna vulgaris |
| Kentish glory Endromis versicolora |
Near Threatened | Alnus glutinosa |
| Large thorn Ennomos autumnaria |
Near Threatened | Alnus glutinosa, Corylus avellana, Crataegus spp., Prunus spinosa, Prunus spp., Quercus spp., Ulmus spp. |
| September thorn Ennomos erosaria |
Near Threatened | Quercus spp. |
| The Silurian Eriopygodes imbecilla |
Near Threatened | Vaccinium myrtillus |
| Autumnal rustic Eugnorisma glareosa |
Near Threatened | Calluna vulgaris |
| Grey pug Eupithecia subfuscata |
Near Threatened | Crataegus monogyna, Prunus spinosa |
| Double dart Graphiphora augur |
Near Threatened | Crataegus spp., Prunus spinosa, Quercus spp., Ulmus spp. |
| Weaver's wave Idaea contiguaria |
Near Threatened | Calluna vulgaris |
| Clay fan-foot Paracolax tristalis |
Near Threatened | Quercus spp. |
| Common fan-foot Pechipogo strigilata |
Near Threatened | Quercus robur |
| Frosted green Polyploca ridens |
Near Threatened | Quercus robur |
| Scotch burnet Zygaena exulans |
Near Threatened | Vaccinium myrtillus |
Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.
Plant communities
W10 — Atlantic oak wood, Lowland dry oak and birch wood, Lowland mixed oak and ash wood, Wood pasture
Quercus robur-Pteridium aquilinum-Rubus fruticosus woodland
Matches 14 species from the description above: Alnus glutinosa, Blechnum spicant, Corylus avellana, Crataegus monogyna, Deschampsia cespitosa, Deschampsia flexuosa, Ilex aquifolium, Luzula pilosa, Luzula sylvatica, Prunus spinosa, Quercus robur, Sorbus aucuparia, Ulmus glabra, Vaccinium myrtillus
Show 132 indicator speciesHedera helix, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Betula pubescens, Carpinus betulus, Corylus avellana, Fagus sylvatica, Castanea sativa, Quercus hybrid, Quercus petraea, Quercus robur, Tilia cordata, Tilia x europaea, Fraxinus excelsior, Larix decidua, Pinus nigra, Pinus sylvestris, Pseudotsuga menziesii, Malus sylvestris, Prunus avium, Sorbus aucuparia, Alnus glutinosa, Populus tremula, Taxus baccata, Ulmus glabra, Sambucus nigra, Viburnum lantana, Viburnum opulus, Rhododendron ponticum, Vaccinium myrtillus, Cytisus scoparius, Ulex europaeus, Ligustrum vulgare, Crataegus laevigata, Crataegus monogyna, Prunus spinosa, Carex sylvatica, Juncus effusus, Luzula multiflora, Luzula pilosa, Luzula sylvatica, Mnium hornum, Plagiomnium rostratum, Plagiomnium undulatum, Ceratodon purpureus, Dicranella heteromalla, Dicranoweisia cirrata, Dicranum scoparium, Amblystegium serpens, Brachythecium rutabulum, Eurhynchium striatum, Hypnum cupressiforme, Isothecium myosuroides, Kindbergia praelonga, Plagiothecium denticulatum, Plagiothecium undulatum, Pseudoscleropodium purum, Pseudotaxiphyllum elegans, Thuidium tamariscinum, Atrichum undulatum, Polytrichum formosum, Lophocolea bidentata, Pellia epiphylla, Narcissus pseudonarcissus, Aegopodium podagraria, Anthriscus sylvestris, Conopodium majus, Heracleum sphondylium, Sanicula europaea, Jacobaea vulgaris, Solidago virgaurea, Lonicera periclymenum, Silene dioica, Stellaria holostea, Stellaria media agg., Euphorbia amygdaloides, Mercurialis perennis, Corydalis claviculata, Geranium robertianum, Ajuga reptans, Glechoma hederacea, Lamiastrum galeobdolon, Stachys sylvatica, Teucrium scorodonia, Hyacinthoides non-scripta, Chamerion angustifolium, Circaea lutetiana, Oxalis acetosella, Digitalis purpurea, Veronica chamaedrys, Rumex acetosa, Rumex sanguineus, Lysimachia nemorum, Lysimachia nummularia, Primula vulgaris, Anemone nemorosa, Ficaria verna, Ranunculus repens, Fragaria vesca, Potentilla sterilis, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Galium odoratum, Galium saxatile, Melanpyrum pratense, Urtica dioica, Viola riviniana, Agrostis capillaris, Anthoxanthum odoratum, Arrhenatherum elatius, Brachypodium sylvaticum, Bromopsis ramosa, Dactylis glomerata, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Holcus lanatus, Holcus mollis, Melica uniflora, Milium effusum, Poa nemoralis, Poa trivialis, Blechnum spicant, Pteridium aquilinum, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Thelypteris limbosperma, Athyrium filix-femina
W17 — Altantic hazel wood, Atlantic oak wood, Caledonian forest, Upland birch wood, Wood pasture
Quercus petraea-Betula pubescens-Dicranum majus woodland
Matches 14 species from the description above: Blechnum spicant, Calluna vulgaris, Corylus avellana, Crataegus monogyna, Deschampsia cespitosa, Deschampsia flexuosa, Dryopteris aemula, Hymenophyllum tunbrigense, Ilex aquifolium, Luzula pilosa, Luzula sylvatica, Quercus robur, Sorbus aucuparia, Vaccinium myrtillus
Show 165 indicator speciesHedera helix, Salix caprea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Sorbus aucuparia, Calluna vulgaris, Erica cinerea, Erica tetralix, Juniperus communis, Rhododendron ponticum, Vaccinium myrtillus, Crataegus monogyna, Carex pilulifera, Luzula multiflora, Luzula pilosa, Luzula sylvatica, Andreaea rupestris, Mnium hornum, Rhizomnium punctatum, Campylopus flexuosus, Dicranella heteromalla, Dicranodontium denudatum, Dicranum fuscescens, Dicranum majus, Dicranum scoparium, Dicranum scottianum, Leucobryum glaucum, Ptychomitrium polyphyllum, Racomitrium fasciculare, Racomitrium heterostichum, Racomitrium lanuginosum, Eurhynchium striatum, Heterocladium heteropterum, Hylocomiastrum umbratum, Hylocomium armoricum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Hypnum jutlandicum, Isothecium myosuroides, Kindbergia praelonga, Loeskeobryum brevirostre, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Pseudotaxiphyllum elegans, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sematophyllum demissum, Sematophyllum micans, Thuidium delicatulum, Thuidium tamariscinum, Polytrichum commune, Polytrichum formosum, Sphagnum capillifolium, Sphagnum fimbriatum, Sphagnum palustre, Sphagnum russowii, Sphagnum subnitens, Tetraphis pellucida, Adelanthus decipiens, Anastrepta orcadensis, Barbilophozia attenuata, Barbilophozia floerkei, Bazzania tricrenata, Bazzania trilobata, Blepharostoma trichophyllum, Calypogeia fissa, Calypogeia muelleriana, Cephalozia bicuspidata, Diplophyllum albicans, Frullania tamarisci, Fuscocephaloziopsis lunulifolia, Harpanthus scutatus, Jamesoniella autumnalis, Jungermannia gracillima, Lepidozia pearsonii, Lepidozia reptans, Lophocolea bidentata, Lophocolea heterophylla, Lophozia ventricosa, Marsupella emarginata, Microlejeunea ulicina, Mylia taylorii, Nowellia curvifolia, Plagiochila asplenioides, Plagiochila atlantica, Plagiochila killarniensis, Plagiochila porelloides, Plagiochila punctata, Plagiochila spinulosa, Ptilidium ciliare, Saccogyna viticulosa, Scapania gracilis, Scapania nemorea, Scapania umbrosa, Tritomaria exsectiformis, Tritomaria quinquedentata, Cladonia arbuscula, Cladonia chlorophaea, Cladonia digitata, Cladonia furcata, Cladonia impexa, Cladonia polydactyla, Cladonia squamosa, Cladonia squamules, Cladonia subcervicornis, Parmelia saxatilis, Sphaerophorus fragilis, Sphaerophorus globosus, Solidago virgaurea, Lonicera periclymenum, Succisa pratensis, Cornus suecica, Hypericum pulchrum, Teucrium scorodonia, Hyacinthoides non-scripta, Goodyera repens, Oxalis acetosella, Digitalis purpurea, Rumex acetosa, Lysimachia nemorum, Trientalis europaea, Anemone nemorosa, Potentilla erecta, Rubus fruticosus agg., Rubus idaeus, Galium saxatile, Melanpyrum pratense, Viola riviniana, Agrostis capillaris, Agrostis stolonifera, Agrostis vinealis, Anthoxanthum odoratum, Dactylis glomerata, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Holcus lanatus, Holcus mollis, Molinia caerulea, Poa nemoralis, Poa pratensis, Blechnum spicant, Pteridium aquilinum, Dryopteris aemula, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Hymenophyllum tunbrigense, Hymenophyllum wilsonii, Polypodium vulgare, Thelypteris limbosperma, Athyrium filix-femina
W11 — Altantic hazel wood, Atlantic oak wood, Caledonian forest, Upland birch wood, Wood pasture
Quercus petraea-Betula pubescens-Oxalis acetosella woodland
Matches 12 species from the description above: Blechnum spicant, Calluna vulgaris, Corylus avellana, Crataegus monogyna, Deschampsia cespitosa, Deschampsia flexuosa, Ilex aquifolium, Luzula pilosa, Luzula sylvatica, Quercus robur, Sorbus aucuparia, Vaccinium myrtillus
Show 106 indicator speciesAcer campestre, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Larix decidua, Sorbus aucuparia, Calluna vulgaris, Erica cinerea, Juniperus communis, Vaccinium myrtillus, Cytisus scoparius, Crataegus monogyna, Rubus saxatilis, Carex pilulifera, Luzula campestris, Luzula multiflora, Luzula pilosa, Luzula sylvatica, Mnium hornum, Plagiomnium affine, Plagiomnium undulatum, Dicranum majus, Dicranum scoparium, Cirriphyllum piliferum, Eurhynchium striatum, Hylocomium splendens, Hypnum cupressiforme, Isothecium myosuroides, Kindbergia praelonga, Loeskeobryum brevirostre, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Thuidium tamariscinum, Atrichum undulatum, Polytrichum commune, Polytrichum formosum, Polytrichum longisetum, Sphagnum capillifolium, Diplophyllum albicans, Lophocolea bidentata, Plagiochila asplenioides, Plagiochila spinulosa, Angelica sylvestris, Conopodium majus, Campanula rotundifolia, Lonicera periclymenum, Succisa pratensis, Cerastium fontanum, Stellaria holostea, Pyrola minor, Vaccinium vitis-idaea, Lathyrus montanus, Geranium robertianum, Hypericum pulchrum, Ajuga reptans, Teucrium scorodonia, Convallaria majalis, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Veronica chamaedrys, Veronica officinalis, Rumex acetosa, Lysimachia nemorum, Primula vulgaris, Trientalis europaea, Anemone nemorosa, Ranunculus acris, Ranunculus repens, Potentilla erecta, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Galium saxatile, Melanpyrum pratense, Viola riviniana, Agrostis capillaris, Agrostis vinealis, Anthoxanthum odoratum, Brachypodium sylvaticum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Holcus lanatus, Holcus mollis, Poa pratensis, Poa trivialis, Blechnum spicant, Pteridium aquilinum, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Thelypteris limbosperma, Athyrium filix-femina
W16 — Atlantic oak wood, Lowland dry oak and birch wood, Wood pasture
Quercus spp.-Betula spp.-Deschampsia flexuosa woodland
Matches 11 species from the description above: Blechnum spicant, Calluna vulgaris, Corylus avellana, Crataegus monogyna, Deschampsia cespitosa, Deschampsia flexuosa, Ilex aquifolium, Luzula sylvatica, Quercus robur, Sorbus aucuparia, Vaccinium myrtillus
Show 89 indicator speciesHedera helix, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Castanea sativa, Quercus hybrid, Quercus petraea, Quercus robur, Pinus sylvestris, Sorbus aria, Sorbus aucuparia, Populus tremula, Calluna vulgaris, Erica cinerea, Rhododendron ponticum, Vaccinium myrtillus, Ulex europaeus, Ulex gallii, Frangula alnus, Crataegus monogyna, Luzula sylvatica, Mnium hornum, Orthodontium lineare, Pohlia nutans, Campylopus flexuosus, Campylopus pyriformis, Dicranella heteromalla, Dicranodontium denudatum, Dicranoweisia cirrata, Dicranum fuscescens, Dicranum scoparium, Leucobryum glaucum, Hypnum cupressiforme, Hypnum jutlandicum, Isothecium myosuroides, Kindbergia praelonga, Plagiothecium denticulatum, Plagiothecium nemorale, Plagiothecium succulentum, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Pseudotaxiphyllum elegans, Rhytidiadelphus loreus, Rhytidiadelphus triquetrus, Thuidium tamariscinum, Tetraphis pellucida, Barbilophozia attenuata, Barbilophozia floerkei, Calypogeia fissa, Calypogeia trichomanis, Cephalozia bicuspidata, Gymnocolea inflata, Lepidozia reptans, Lophocolea bidentata, Lophocolea heterophylla, Cladonia coccifera, Cladonia coniocraea, Cladonia fimbriata, Cladonia polydactyla, Cladonia squamosa, Solidago virgaurea, Lonicera periclymenum, Corydalis claviculata, Teucrium scorodonia, Hyacinthoides non-scripta, Chamerion angustifolium, Oxalis acetosella, Digitalis purpurea, Rumex acetosella, Potentilla erecta, Rubus fruticosus agg., Galium saxatile, Agrostis capillaris, Agrostis stolonifera, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Holcus lanatus, Holcus mollis, Molinia caerulea, Blechnum spicant, Pteridium aquilinum, Dryopteris dilatata
A14 — Fast flowing river and stream
Myriophyllum alterniflorum community
Show 15 indicator speciesIsolepis 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
Show 11 indicator speciesBerula 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
Show 12 indicator speciesFontinalis 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
A9 — Fast flowing river and stream, Marginal and inundation, Pond ditch and canal, Sluggish river and stream
Potamogeton natans community
Show 20 indicator speciesSchoenoplectus 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