Hodgemoor Wood
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Condition (Natural England)
| Unit | Feature | Condition | Area (ha) | Assessed |
|---|---|---|---|---|
| SU966935 | — | Favourable | 103.04 | 2014-05-07 |
Habitats
Geology & landscape
Rock Type: Chalk
Birds & fish recorded
Birds
| Species | Season |
|---|---|
| nightingale | Breeding |
| nightjar | Breeding |
| sparrowhawk | Breeding |
| woodcock | Breeding |
Description
Description Hodgemoor Woods constitutes one of the largest tracts of semi natural broadleaved woodland remaining in the Buckinghamshire Chilterns. The woods are situated on an unusually wide and contrasting range of soil types derived from mottled clays, sands and gravels associated with the Reading Beds and tertiary gravels and calcareous clays over the Middle Chalk. The combination of extensive areas of semi natural woodland of varying age on such a wide range of soils is exceptional in the Chiltern Hills and has generated a wide range of woodland plant communities and a characteristically diverse woodland flora. Much of the woodland is of ancient origin, with records of its existence dating back to the 13th and 14th centuries. There has, however, been considerable fluctuation in the extent of woodland over the centuries, and secondary semi natural woodland of 18th, 19th and 20th century origin surround the ancient core of the site. The structure of the woodland is extremely varied and includes large areas of ancient coppice stools of oak, beech and hornbeam with occasional old standards of oak; high forest stands of oak and birch; plantation stands of beech and other native broadleaved species such as oak and cherry; and some mixed and coniferous plantations. An extensive system of tracks and paths has been maintained creating many open sunny rides. The range of soil types, the complex history of the woods and the low intensity of past management has led to Hodgemoor Wood possessing an extremely wide range of woodland trees and shrubs, including whitebeam Sorbus aria, wild service tree Sorbus torminalis, maple Acer campestre, wych elm Ulmus glabra, aspen Populus tremula, crab apple Malus sylvestris and yew Taxus baccata. This range of species is considered to have been typical of the Chilterns woodlands before the widespread establishment of beech plantations. On the drier acidic soils oak and beech coppice are found, while the heavier clay soils support areas of oak/bracken/bramble woodland. Where the underlying chalk influences the soils, patches of ash/maple/dog's mercury woodland occur. The drier soils within the wood support a heathy woodland vegetation of bracken Pteridium aquilinum and bramble Rubus fruticosus, with wood rushes Luzula pilosa and L. forsteri and honeysuckle Lonicera periclymenum. Cow wheat Melampyrum pratense, trailing St John's wort Hypericum humifusum and heather Calluna vulgaris are present in areas recently coppiced. The wetter flushes and muddy rides contain wood sedge, remote sedge and pale sedge Carex sylvatica, Carex remota and C. pallescens, the latter being of limited occurrence in Buckinghamshire. On the chalkier soils a wide range of plants of base rich woodland soils may be found including abundant dog's mercury Mercurialis perennis, along with its typical associates yellow archangel Lamiastrum galeobdolon, bluebell Hyacinthoides non-scripta, sweet woodruff Galium odoratum, pignut Conopodium majus, primrose Primula vulgaris, twayblade Neottia ovata and early purple orchid Orchis mascula. This diverse array of woodland plants is typical of ancient woodland and indicative of along history of traditional management. Other plants recorded in the wood include coral root Cardamine bulbifera, a nationally uncommon species particularly characteristic of the Chilterns; lady fern Athyrium filix-femina, narrow buckler fern Dryopteris carthusiana and the hawkweed Hieracium virgultorum, all uncommon in Buckinghamshire. The wood is known to hold populations of white admiral Limenitis camilla, purple hairstreak Favonius quercus and green hairstreak Callophrys rubi. A nationally rare jewel beetle Agrilus biguttatus, a species associated with old oaks in ancient woodland, has been recorded from the woods. The breeding birds of Hodgemoor Woods include many woodland species such as woodcock, hawfinch, sparrowhawk and both green and great spotted woodpecker. Clearings and coppice compartments in the driest heathy parts of the wood have supported breeding nightingale and nightjar in recent decades.
Species mentioned
Show the 37 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 |
|---|---|---|
| Dark bordered beauty Epione vespertaria |
Endangered | Populus tremula |
| Maple pug Eupithecia inturbata |
Endangered | Acer campestre |
| The lappet Gastropacha quercifolia |
Endangered | Malus spp. |
| Duke of Burgundy Hamearis lucina |
Endangered | Primula vulgaris |
| Shoulder-striped clover Heliothis maritima |
Endangered | Calluna vulgaris |
| Heath fritillary Melitaea athalia |
Endangered | Melampyrum pratense |
| Glanville fritillary Melitaea cinxia |
Endangered | Hieracium spp. |
| Scarce vapourer Orgyia recens |
Endangered | Rubus fruticosus, Ulmus spp. |
| White-letter hairstreak Satyrium w-album |
Endangered | Ulmus glabra, Ulmus spp. |
| Mouse moth Amphipyra tragopoginis |
Vulnerable | Hieracium spp. |
| The sprawler Asteroscopus sphinx |
Vulnerable | Populus spp., Ulmus spp. |
| Broom moth Ceramica pisi |
Vulnerable | Calluna vulgaris, Pteridium aquilinum, Rubus fruticosus, Ulmus spp. |
| Scarce chocolate-tip Clostera anachoreta |
Vulnerable | Populus spp., Populus tremula |
| Mottled umber Erannis defoliaria |
Vulnerable | Acer campestre, Lonicera periclymenum, Populus tremula, Ulmus spp. |
| Marsh fritillary Euphydryas aurinia |
Vulnerable | Lonicera periclymenum |
| Satyr pug Eupithecia satyrata |
Vulnerable | Calluna vulgaris, Galium spp., Hieracium spp., Hypericum spp. |
| Bedstraw hawk-moth Hyles gallii |
Vulnerable | Galium spp. |
| White admiral Limenitis camilla |
Vulnerable | Lonicera periclymenum |
| True lover's knot Lycophotia porphyrea |
Vulnerable | Calluna vulgaris |
| The lackey Malacosoma neustria |
Vulnerable | Rubus fruticosus, Ulmus spp. |
| Pale brindled Phigalia pilosaria |
Vulnerable | Populus spp., Ulmus glabra |
| Silver studded blue Plebejus argus |
Vulnerable | Calluna vulgaris |
| Grizzled skipper Pyrgus malvae |
Vulnerable | Rubus fruticosus |
| Pale eggar Trichiura crataegi |
Vulnerable | Calluna vulgaris, Malus sylvestris, Populus spp., Rubus fruticosus |
| No common name Zeugophora turneri |
Vulnerable | Populus tremula |
| Flounced chestnut Agrochola helvola |
Near Threatened | Calluna vulgaris, Ulmus spp. |
| Purple emperor Apatura iris |
Near Threatened | Populus tremula |
| Garden tiger Arctia caja |
Near Threatened | Pteridium aquilinum |
| Minor shoulder-knot Brachylomia viminalis |
Near Threatened | Populus tremula |
| Dusky-lemon sallow Cirrhia gilvago |
Near Threatened | Ulmus glabra |
| The sallow Cirrhia icteritia |
Near Threatened | Populus spp., Ulmus glabra |
| Grey scalloped Dyscia fagaria |
Near Threatened | Calluna vulgaris |
| Large thorn Ennomos autumnaria |
Near Threatened | Populus spp., Ulmus spp. |
| Autumnal rustic Eugnorisma glareosa |
Near Threatened | Calluna vulgaris, Galium spp., Hyacinthoides non-scripta |
| Grey pug Eupithecia subfuscata |
Near Threatened | Populus tremula |
| Double dart Graphiphora augur |
Near Threatened | Ulmus spp. |
| Broad-barred white Hecatera bicolorata |
Near Threatened | Hieracium spp. |
| Weaver's wave Idaea contiguaria |
Near Threatened | Calluna vulgaris |
| Dark-barred twin-spot carpet Xanthorhoe ferrugata |
Near Threatened | Galium spp. |
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: Conopodium majus, Hyacinthoides non-scripta, Lonicera periclymenum, Mercurialis perennis, Pteridium aquilinum
Show 53 indicator speciesHedera 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