Dunsdale Hollow

Site of Special Scientific Interest · 53.2814, -2.7317

Also within

Cheshire County

Condition (Natural England)

Favourable (1)
UnitFeatureConditionArea (ha)Assessed
SJ513762 Favourable 6.85 2007-10-04

Habitats

Bracken scrub

Geology & landscape

Rock Type: Sandstone

Description

Description Dunsdale Hollow occurs on a steep north west facing escarpment of Upper Mottled and Keuper Sandstone. It is an acidic lowland birch Betula spp. and sessile oak Quercus petraea woodland. This type of woodland is often found in the uplands but its occurrence in a lowland landscape is very unusual and it is found on only one other site in Cheshire on the Peckforton Hills. Birch, sessile oak and pedunculate oak Quercus robur are all abundant throughout the woodland and rowan Sorbus aucuparia is frequent. The ground flora which is typically poor in species is composed of wavy hair grass Deschampsia flexuosa, broad buckler fern Dryopteris dilatata, bluebell Hyacinthoides non-scripta and bramble Rubus fruticosus agg. Less abundant are heather Calluna vulgaris, bilberry Vaccinium myrtillus and climbing corydalis Corydalis claviculata. On the steep banks of the sandstone outcrops there are good stands of great wood rush Luzula sylvatica, an uncommon plant in Cheshire. An open glade leading to the bottom of the slope is dominated by bracken Pteridium aquilinum.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
broad buckler fern Dryopteris dilatata LC fern dryopteridaceae
bracken Pteridium aquilinum LC fern dennstaedtiaceae
wavy hair grass Deschampsia flexuosa Not listed in GB list grass poaceae
corydalis Corydalis claviculata Not listed in GB list herb fumariaceae
bluebell Hyacinthoides non-scripta LC herb liliaceae
bramble Rubus fruticosus agg. Not listed in GB list herb rosaceae
great wood rush Luzula sylvatica LC rush juncaceae
billberry Vaccinium myrtillus LC shrub ericaceae
bell heather or ling Calluna vulgaris NT shrub dwarf ericaceae
sessile or durmast oak Quercus petraea LC tree fagaceae
common oak Quercus robur 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, Quercus robur
Shoulder-striped clover
Heliothis maritima
Endangered Calluna vulgaris
Scarce vapourer
Orgyia recens
Endangered Quercus spp., Rubus fruticosus
The sprawler
Asteroscopus sphinx
Vulnerable Quercus spp.
Broom moth
Ceramica pisi
Vulnerable Calluna vulgaris, Pteridium aquilinum, Rubus fruticosus, Vaccinium myrtillus
Mottled umber
Erannis defoliaria
Vulnerable Quercus spp., Sorbus aucuparia, Vaccinium myrtillus
Satyr pug
Eupithecia satyrata
Vulnerable Calluna vulgaris
True lover's knot
Lycophotia porphyrea
Vulnerable Calluna vulgaris
The lackey
Malacosoma neustria
Vulnerable Quercus spp., Rubus fruticosus
Pale brindled
Phigalia pilosaria
Vulnerable Quercus spp.
Silver studded blue
Plebejus argus
Vulnerable Calluna vulgaris
Grizzled skipper
Pyrgus malvae
Vulnerable Rubus fruticosus
Early moth
Theria primaria
Vulnerable Quercus spp., Vaccinium myrtillus
Pale eggar
Trichiura crataegi
Vulnerable Calluna vulgaris, Quercus spp., Rubus fruticosus, Vaccinium myrtillus
Oak hook-tip
Watsonalla binaria
Vulnerable Quercus petraea, Quercus robur
Flounced chestnut
Agrochola helvola
Near Threatened Calluna vulgaris, Quercus spp., Vaccinium myrtillus
Beaded chestnut
Agrochola lychnidis
Near Threatened Vaccinium myrtillus
Garden tiger
Arctia caja
Near Threatened Pteridium aquilinum, Sorbus aucuparia
Light crimson underwing
Catocala promissa
Near Threatened Quercus robur
Dark crimson underwing
Catocala sponsa
Near Threatened Quercus robur
Rosy marsh moth
Coenophila subrosea
Near Threatened Vaccinium myrtillus
Heart moth
Dicycla oo
Near Threatened Quercus robur
Grey scalloped
Dyscia fagaria
Near Threatened Calluna vulgaris
Large thorn
Ennomos autumnaria
Near Threatened 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, Hyacinthoides non-scripta
Double dart
Graphiphora augur
Near Threatened Quercus 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 petraea, 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

W25 — Bracken scrub

Pteridium aquilinum-Rubus fruticosus underscrub

Matches 5 species from the description above: Dryopteris dilatata, Hyacinthoides non-scripta, Pteridium aquilinum, Quercus robur, Rubus fruticosus agg.

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