Bride Stones

Site of Special Scientific Interest · 54.3110, -0.6598

Condition (Natural England)

Unfavourable Declining (2)
UnitFeatureConditionArea (ha)Assessed
SE870915 Unfavourable Declining 39.69 2024-03-04
SE874913 Unfavourable Declining 81.72 2024-03-04

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 Period: Jurassic

Landscape processes: Peatland / Mire

Description

Description The Bride Stones are a famous series of isolated stacks consisting of silicified portions of the sandy Passage Beds of the Hambleton Oolite Corallian, Jurassic, formed by differential weathering. The rocks have a crevice flora which includes black spleenwort Asplenium adiantum-nigrum, which is rare in the county and wall rue Asplenium ruta-muraria. The stones are surrounded by moorland which grades into woodland to the south. Heather Calluna vulgaris dominates the moorland, although bracken Pteridium aquilinum covers many slopes, particularly those along the becks. To the north and in flatter areas, damp conditions support species such as cross leaved heath Erica tetralix, hare's tail cotton grass Eriophorum vaginatum and common cotton grass Eriophorum angustifolium. On drier moorland, bilberry Vaccinium myrtillus, cowberry Vaccinium vitis-idaea and crowberry Empetrum nigrum occur together with various mosses and lichens. rowan Sorbus aucuparia is spreading from some of the stream sides and part of the moorland is being colonised by birch Betula sp. Dovedale Wood in the south west is an acidic oak Quercus petraea woodland with a ground flora of wavy hair grass Deschampsia flexuosa and bilberry. The southern edge of the site consists of similar oak woodland, but there is also coniferous species present. Woodland along the becks is mixed but in general is dominated by birch and rowan with some oak, aspen Populus tremula, holly Ilex aquifolium and alder Alnus glutinosa. Ferns and bryophytes feature in the ground flora and opposite leaved golden saxifrage Chrysosplenium oppositifolium occurs on wet ledges and flushes. Other Information 1. During the 1983 revision the boundary has been extended. 2. The site is managed by the Yorkshire Naturalists' Trust as a nature reserve. * Under Section 23 of the National Parks and Access to the Countryside Act, 1949.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
black spleenwort Asplenium adiantum-nigrum LC fern aspleniaceae
wall rue Asplenium ruta-muraria LC fern aspleniaceae
bracken Pteridium aquilinum LC fern dennstaedtiaceae
wavy hair grass Deschampsia flexuosa Not listed in GB list grass poaceae
opposite-leaved golden- saxifrage Chrysosplenium oppositifolium LC herb saxifragaceae
cowberry Vaccinium vitis-idaea LC herb ericaceae
common cottongrass Eriophorum angustifolium NT sedge cyperaceae
hare's-tail cottongrass Eriophorum vaginatum LC sedge cyperaceae
billberry Vaccinium myrtillus LC shrub ericaceae
bell heather or ling Calluna vulgaris NT shrub dwarf ericaceae
crowberry Empetrum nigrum LC shrub dwarf empetraceae
cross leaved heath Erica tetralix NT shrub dwarf ericaceae
alder Alnus glutinosa LC tree salicaceae
holly Ilex aquifolium LC tree aquifoliaceae
aspen Populus tremula LC tree salicaceae
sessile or durmast oak Quercus petraea LC tree fagaceae
rowan Sorbus aucuparia LC tree rosaceae

Insects 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.

SpeciesStatusVia host-plant
Speckled footman
Coscinia cribraria
Critically Endangered Vaccinium myrtillus
Oak lutestring
Cymatophorina diluta
Endangered Quercus petraea
Dark bordered beauty
Epione vespertaria
Endangered Populus tremula
Shoulder-striped clover
Heliothis maritima
Endangered Calluna vulgaris, Erica tetralix
Scarce vapourer
Orgyia recens
Endangered Alnus glutinosa, Quercus spp.
The sprawler
Asteroscopus sphinx
Vulnerable Populus spp., Quercus spp.
Broom moth
Ceramica pisi
Vulnerable Calluna vulgaris, Pteridium aquilinum, Vaccinium myrtillus
Scarce chocolate-tip
Clostera anachoreta
Vulnerable Populus spp., Populus tremula
Large heath
Coenonympha tullia
Vulnerable Eriophorum angustifolium, Eriophorum vaginatum
Beetle
Cryptocephalus biguttatus
Vulnerable Erica tetralix
Mottled umber
Erannis defoliaria
Vulnerable Populus tremula, Quercus spp., Sorbus aucuparia, Vaccinium myrtillus
Satyr pug
Eupithecia satyrata
Vulnerable Calluna vulgaris, Erica tetralix
True lover's knot
Lycophotia porphyrea
Vulnerable Calluna vulgaris
The lackey
Malacosoma neustria
Vulnerable Quercus spp.
Pale brindled
Phigalia pilosaria
Vulnerable Alnus glutinosa, Populus spp., Quercus spp.
Silver studded blue
Plebejus argus
Vulnerable Calluna vulgaris, Erica tetralix
Early moth
Theria primaria
Vulnerable Quercus spp., Vaccinium myrtillus
Pale eggar
Trichiura crataegi
Vulnerable Calluna vulgaris, Populus spp., Quercus spp., Vaccinium myrtillus
Oak hook-tip
Watsonalla binaria
Vulnerable Quercus petraea
No common name
Zeugophora turneri
Vulnerable Populus tremula
Flounced chestnut
Agrochola helvola
Near Threatened Calluna vulgaris, Quercus spp., Vaccinium myrtillus
Beaded chestnut
Agrochola lychnidis
Near Threatened Vaccinium myrtillus
Purple emperor
Apatura iris
Near Threatened Populus tremula
Garden tiger
Arctia caja
Near Threatened Pteridium aquilinum, Sorbus aucuparia
Minor shoulder-knot
Brachylomia viminalis
Near Threatened Populus tremula
The sallow
Cirrhia icteritia
Near Threatened Populus spp.
Rosy marsh moth
Coenophila subrosea
Near Threatened Empetrum nigrum, Eriophorum spp., Vaccinium myrtillus
Dingy mocha
Cyclophora pendularia
Near Threatened Alnus glutinosa
Grey scalloped
Dyscia fagaria
Near Threatened Calluna vulgaris, Erica tetralix
Kentish glory
Endromis versicolora
Near Threatened Alnus glutinosa
Large thorn
Ennomos autumnaria
Near Threatened Alnus glutinosa, Populus spp., Quercus 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 Populus tremula
Double dart
Graphiphora augur
Near Threatened Quercus spp.
Weaver's wave
Idaea contiguaria
Near Threatened Calluna vulgaris, Empetrum nigrum
Clay fan-foot
Paracolax tristalis
Near Threatened Quercus spp.
Frosted green
Polyploca ridens
Near Threatened Quercus petraea
Scotch burnet
Zygaena exulans
Near Threatened Empetrum nigrum, Vaccinium myrtillus, Vaccinium vitis-idaea

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

W25 — Bracken scrub

Pteridium aquilinum-Rubus fruticosus underscrub

Matches 1 species from the description above: 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