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Viewing swaag.org website implies consent to set cookies on your computer. Full details Swaledale and Arkengarthdale Archaeology Group
Registered Charitable Incorporated Organisation Number 1155775
SWAAG Honorary President:
Tim Laurie FSA

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 *****SWAAG_ID***** 350
 Date Entered 24/11/2011
 Updated on 15/01/2013
 Recorded by Tim Laurie
 Category Tree Site Record
 Record Type Botanical HER
 Site Access Public Access Land
 Record Date 20/06/2010
 Location Oxnop Common. Oxnop Scar.
 Civil Parish Muker
 Brit. National Grid SD 937 955
 Altitude 495m
 Geology Main Limestone cliff and talus slope below.
 Record Name MUK149 Oxnop Scar relict limestone ash woodland with aspen and juniper.
 Record Description West facing fully exposed limestone cliff with species rich limestone ashwood including a cloned colony of aspen and two isolated junipers (prostrate form). Surprisingly at this elevation ash, blackthorn, elder, hawthorn, hazel, rowan and downy rose grow on the exposed face of the cliff at their local altitudinal limit. Self seeded sycamore is also present. Rarities include lesser meadow rue and rigid buckler fern. (SD 937 955 centre)
 Dimensions See photos
 Geographical area Upper Swaledale
 Species See LR Species Lists
 Common / Notable Species Aspen, Juniper (prostrate form), Lesser Meadow Rue, Rigid Buckler Fern.
 Additional Notes Oxnop Scar Vegetation Species Lists compiled by Mrs Linda Robinson 1. Oxnop Scar Top Scar (South end) Asplenium ruta-muraria – Wall-rue. Asplenium trichomanes – Maidenhair-fern. Bellis perennis – Daisy. Carduus nutans – Musk Thistle. Carex caryophyllea – Spring Sedge. Carex flacca – Carnation Sedge. Cerastium fontanum – Common Mouse-ear. Cirsium palustre – Marsh Thistle. Cirsium vulgare – Spear Thistle. Crataegus monogyna – Hawthorn. Cystopteris fragilis – Brittle Bladder-fern. Dryopteris submontana – Rigid Buckler-fern. Euphrasia sp. – Eyebright. Festuca ovina – Sheep’s Fescue. Galium sterneri – Limestone Bedstraw. Galium verum – Lady’s Bedstraw. Geranium robertianum – Herb Robert. Hieracium sp. – Hawkweed. Linum catharticum – Fairy Flax. Luzula pilosa – Hairy Wood-rush. Oxalis acetosella – Wood Sorrel. Plantago lanceolata – Ribwort Plantain. Poa annua – Annual Meadow-grass. Potentilla erecta – Tormentil. Potentilla sterilis – Barren Strawberry. Prunella vulgaris – Self-heal. Sedum acre – Biting Stonecrop. Senecio jacobaea – Ragwort. Sesleria caerulea – Blue Moor-grass. Taraxacum agg. – Dandelion. Thymus polytrichus – Thyme. Trifolium repens – White Clover Urtica dioica – Nettle. Veronica arvensis – Wall Speedwell. Veronica officinalis – Heath Speedwell. Veronica serpyllifolia – Thyme-leaved Speedwell. Viola riviniana – Common Dog-violet. 2. Oxnop Scar Lower Scar (The Long Scar) Acer pseudoplatanus – Sycamore. Achillea millefolium – Yarrow. Agrostis capillaris – Common Bent. Alchemilla glabra – Smooth Lady’s Mantle. Arabis hirsuta – Hairy Rock-cress. Arenaria leptoclados – Slender Sandwort. Arenaria serpyllifolia – Thyme-leaved Sandwort. Campanula rotundifolia – Harebell. Carex caryophyllea – Spring Sedge. Chamerion angustifolium – Rose-bay Willowherb. Corylus avellana – Hazel. Cruciata laevipes – Crosswort. Cynosurus cristatus – Crested Dogs-tail. Draba incana – Hoary Whitlowgrass. Epilobium montanum – Broad-leaved Willowherb. Euphrasia confusa – Eyebright. Fraxinus excelsior – Ash. Geranium lucidum – Shining Cranesbill. Hedera helix – Ivy. Helianthemum nummularium – Rock-rose. Heracleum sphondylium – Hogweed. Hieracium sp. – Hawkweed. Hornungia petraea – Hutchinsia. Juniperus communis ssp. nana - Juniper, prostrate form. Koeleria macrantha – Crested Hair-grass. Mycelis muralis – Wall Lettuce. Myosotis arvensis – Field Forget-me-not. Nardus stricta – Mat-grass. Pilosella officinarum – Mouse-ear Hawkweed. Pimpinella saxifraga – Burnet-saxifrage. Populus tremula - Aspen. Prunus spinosa – Blackthorn. Ranunculus acris – Meadow Buttercup. Ranunculus repens – Creeping Buttercup. Rumex acetosa – Common Sorrel. Sambucus nigra – Elder. Saxifraga hypnoides – Mossy Saxifrage Scabiosa columbaria – Small Scabious Sorbus aucuparia – Rowan Thalictrum minus – Lesser Meadow-rue. Veronica chamaedrys – Germander Speedwell. Viola lutea – Mountain Pansy.
 Image 1 ID 1379         Click image to enlarge
 Image 1 Description Oxnop Scar. View northward from top of Long Scar
 Image 2 ID 1388         Click image to enlarge
 Image 2 Description Oxnop Scar view southward from below. Aspen clones on face of Scar north of wall.
 Image 3 ID 1380         Click image to enlarge
 Image 3 Description Oxnop Scar with Mrs Jocelyn Campbell.
 Image 4 ID 1387         Click image to enlarge
 Image 4 Description The Long Scar
 Image 5 ID 1382         Click image to enlarge
 Image 5 Description Aspen with juniper at top edge of Scar from above. Danger! Do not attempt this photo unless tired of life.
 Image 6 ID 1383         Click image to enlarge
 Image 6 Description Aspen detail
 Image 7 ID 1385         Click image to enlarge
 Image 7 Description Brittle Bladder Fern on face of cliff.
 Image 8 ID 1386         Click image to enlarge
 Image 8 Description Blackthorn on face of the cliff.
 Image 9 ID 1398         Click image to enlarge
 Image 9 Description Ash at 495m
 Image 10 ID 1400         Click image to enlarge
 Image 10 Description Potentila erecta
 Image 11 ID 1393         Click image to enlarge
 Image 11 Description Lesser meadow rue. Thalictrum minor.
 Image 12 ID 1394         Click image to enlarge
 Image 12 Description Blue Moor Grass. Sesleria albicans.
 Image 13 ID 1395         Click image to enlarge
 Image 13 Description Galium sterneri
 Image 14 ID 1389         Click image to enlarge
 Image 14 Description Aspen at base of cliff
 Image 15 ID 1390         Click image to enlarge
 Image 15 Description Aspen at base of cliff
 Image 16 ID 1391         Click image to enlarge
 Image 16 Description Aspen at base of cliff
 Image 17 ID 1392         Click image to enlarge
 Image 17 Description Aspen at base of cliff
 Image 18 ID 3977         Click image to enlarge
 Image 18 Description Oxnop Scar in winter
 Image 19 ID 3978         Click image to enlarge
 Image 19 Description The Scar and talus slope
 Image 20 ID 3980         Click image to enlarge
 Image 20 Description Ash which is here at its local altitudinal limit with blackthorn, downy rose, aspen and isolated prostrate juniper at top edge of the cliff.
 Image 21 ID 3981         Click image to enlarge
 Image 21 Description 
 Image 22 ID 3982         Click image to enlarge
 Image 22 Description 
 Image 23 ID 3983         Click image to enlarge
 Image 23 Description Downy rose and ivy on the Scar
 Image 24 ID 3984         Click image to enlarge
 Image 24 Description View down Oxnop Gill from the Scar.
 
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