Cutiau

Site of Special Scientific Interest · 52.7891, -3.7791

Description

Description A biological site selected for its botanical interest. The area consists of two predominantly dry hay meadows and two permanent pastures. The traditional management by hay cutting and grazing without significant agricultural improvements has retained the high floristic interest. A stream runs along one side of the area giving rise to a damper flora dominated by the rushes Juncus effusus and Juncus articulatus with globeflower Trollius europaeus, lady’s smock Cardamine pratensis and heath spotted orchid Dactylorhiza maculata. The hay meadows consist of a variety of grass species including red fescue, Festuca rubra, common bent Agrostis tenuis, timothy Phleum pratense and yorkshire fog Holcus lanatus. Other widespread species include ribwort plantain Plantago lanceolata, yellow rattle Rhinanthus minor, eyebright Euphrasia nemorosa and tormentil Potentilla erecta. The site is noted for its high species diversity and several unusual species including wood bitter vetch Vicia orobus which is abundant, greater butterfly orchid Platanthera chlorantha, common spotted orchid Dactylorhiza fuchsii and frog orchid Dactylorhiza viridis. Bracken Pteridium aquilinum is invading in one area. Remarks This sites lies within the Snowdonia National Park.

Species mentioned

English name
search for this in other sites
Latin name
search with Google
IUCN / Red List Type Family
bracken Pteridium aquilinum LC fern dennstaedtiaceae
red fescue Festuca rubra LC grass poaceae
Yorkshire fog Holcus lanatus LC grass poaceae
timothy Phleum pratense LC grass poaceae
cuckoo-flower Cardamine pratensis LC herb brassicaceae
spotted orchids Dactylorhiza fuchsii LC herb orchidaceae
heath spotted orchid Dactylorhiza maculata LC herb orchidaceae
frog orchid Dactylorhiza viridis VU herb orchidaceae
common eyebright Euphrasia nemorosa LC herb orobanchaceae
ribwort plantain Plantago lanceolata LC herb plantaginaceae
greater butterfly orchid Platanthera chlorantha NT herb orchidaceae
tormentil Potentilla erecta LC herb rosaceae
yellow-rattle Rhinanthus minor DD herb orobanchaceae
globe flower Trollius europaeus VU herb ranunculaceae
wood bitter vetch Vicia orobus VU herb fabaceae
jointed rush Juncus articulatus LC rush juncaceae
soft rush Juncus effusus LC rush juncaceae

Plant communities

W25 — Bracken scrub

Pteridium aquilinum-Rubus fruticosus underscrub

Matches 4 species from the description above: Festuca rubra, Holcus lanatus, Potentilla erecta, Pteridium aquilinum

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

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

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

Insects to look out for

These moths and butterflies are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a hostplant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.

SpeciesStatusVia hostplant
Marsh moth
Athetis pallustris
Endangered Plantago lanceolata
Golden plusia
Polychrysia moneta
Endangered Trollius europaeus
Broom moth
Ceramica pisi
Vulnerable Pteridium aquilinum
Satyr pug
Eupithecia satyrata
Vulnerable Rhinanthus minor
Garden dart
Euxoa nigricans
Vulnerable Plantago spp.
Grey chi
Antitype chi
Near Threatened Plantago lanceolata
Garden tiger
Arctia caja
Near Threatened Plantago spp., Pteridium aquilinum
Autumnal rustic
Eugnorisma glareosa
Near Threatened Plantago spp.

Hostplant 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 (Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.