Huntingdonshire - Botanical Society of the British Isles

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Appendix 2 Data Deficient Species A list is provided below of species that would qualify for inclusion in the Rare Plant Register (excluding County Rare and Scarce Species) but for which we have no recent records (i.e. post-1990). These species should be urgent priorities for species-specific survey work. There is now strong reason to believe that Dianthus armeria may have died out, although its survival as a dormant seed bank cannot be entirely ruled out. Plants originating from Woodwalton Fen stock are maintained in cultivation at Ramsey Heights. Species 78 Last Known Sighting Aphanes australis Slender Parsley-piert 1954-56 Anthemis arvensis Corn Chamomile 1981 Arabis hirsuta Hairy Rock-cress 1974 Artemisia absinthium Wormwood 2009 9 Baldellia ranunculoides Lesser Water-plantain 1975 Berberis vulgaris Barberry 1975 Bidens cernua Nodding Bur-marigold 1974 Callitriche brutia Intermediate Water-starwort 1954 Campanula glomerata Clustered Bellflower 1986 Campanula latifolia Giant Bellflower 1971 Carex binervis Green-ribbed Sedge 1967 Carex divulsa ssp. leersii Many-leaved Sedge 1975 Centaurea cyanus Cornflower 1981 Chenopodium hybridum Maple-leaved Goosefoot 2005 10 Clinopodium ascendens Common Calamint 1974 Comarum palustre Marsh Cinquefoil 1968 Crepis biennis Rough Hawk’s-beard 1983 Dianthus armeria Deptford Pink 1984 Eleocharis acicularis Needle Spike-rush 1986 Epilobium roseum Pale Willowherb 1979 Galeopsis angustifolia Red Hemp-nettle 1980 Gentianella amarella ssp. amarella Gymnadenia conopsea sens. str. Autumn Gentian 1968 Fragrant Orchid 1985 Helianthemum nummularium Rockrose 1974 Helleborus viridis ssp. occidentalis Green Hellebore 1976 Legousia hybrida Venus’s-looking-glass 1977 Linaria repens Pale Toadflax 1981 9 Previously scattered in the fens, the only recent record is a casual roadside occurrence at Alconbury. 10 While this is a recent record it relates to a brief casual occurrence on a spoil heap in a supermarket car park, as such it does not merit inclusion in the main Register.
Lysimachia nemorum Yellow Pimpernel 1984 Mentha x verticillata Whorled Mint 1975 Montia fontana ssp. chondrosperma Blinks 1978 Myriophyllum alterniflorum Alternate Water-milfoil 1978 Oenanthe fluviatilis River Water-dropwort 1975 Origanum vulgare 11 Marjoram ? Orobanche elatior Knapweed Broomrape 1975 Oxalis acetosella Wood-sorrel 1969 Papaver hybridum Rough Poppy 2006 12 Paris quadrifolia Herb-Paris 1982 Polygala serpyllifolia Heath Milkwort 1982 Polygonum rurivagum Cornfield Knotgrass 1969 Potamogeton berchtoldii Small Pondweed 1989 Potamogeton gramineus Various-leaved Pondweed 1989 Potamogeton x cooperi P. crispus x perfoliatus 1989 Potamogeton x salicifolius P. lucens x perfoliatus 1975 Potamogeton x sparganiifolius P. gramineus x lucens 1979 Ranunculus arvensis Corn Buttercup 1984 Ranunculus hederaceus Ivy-leaved Water-crowfoot 1973 Ranunculus peltatus Pond Water-crowfoot 1981 Ranunculus sardous Hairy Buttercup 1980 Rosa agrestis Small-leaved Sweet-briar 1970 Rosa micrantha Small-flowered Sweet-briar 1974 Rosa obtusifolius Round-leaved Dog-rose 1975 Sambucus ebulus Dwarf Elder 1975 Scabiosa columbaria 13 Small Scabious 1976 Scleranthus annuus Annual Knawel 1972 Silene noctiflora Night-flowering Catchfly 1979 Spergula arvensis Corn Spurrey 1979 Thymus polytrichus Wild Thyme 1979 Trifolium micranthum Slender Trefoil 1968 Valeriana dioica Marsh Valerian 1979 Valerianella dentata Narrow-fruited Cornsalad 1975 Verbascum nigrum Dark Mullein 1974 Viola x scabra V. hirta x odorata ? 11 The few recent records appear to derive from the sowing of wildflower seed mixes. 12 This record was a casual occurrence at Holme Fen SSSI. Given the habitat context it is excluded from the main Register. 13 Recently found sown at Crown Lakes, Farcet with other plants of Continental origin. 79
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Rare Plant Register for Huntingdons
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Hybrid taxa create another set of p
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7. References Cheffings, C.M. & Far
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occupy (in Huntingdonshire) a gener
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Hemingford Grey TL285701 2008 (LF)
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Always very rare in Huntingdonshire
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This attractive subspecies was firs
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A common sedge nationally but very
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Carex viridula Michaux ssp. brachyr
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Cerastium arvense L. Field Mouse-ea
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Chara canescens Desv. & Lois. Beard
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This species is widespread, but rar
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Dactylorhiza traunsteinerioides (Pu
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Dryopteris borreri (Newman) Newman
Page 30 and 31: Woodwalton Fen SSSI & SAC TL229833
Page 32 and 33: Fritillaria meleagris L. Fritillary
Page 34 and 35: Wansford Railway (disused) TL077496
Page 36 and 37: Hieracium umbellatum L. ssp. umbell
Page 38 and 39: countryside and waste places (Stewa
Page 40 and 41: Juncus compressus Jacq. Round-fruit
Page 42 and 43: Anacamptis morio at Upwood Meadows
Page 44 and 45: Myosurus minimus at Upwood Meadows
Page 46 and 47: Dactylorhiza traunsteinerioides at
Page 48 and 49: Luzula multiflora (Ehrh.) Lejeune s
Page 50 and 51: This rare species occurs in a range
Page 52 and 53: Neottia nidus-avis (L.) Rich. Bird
Page 54 and 55: Last recorded in 1846 from Somersha
Page 56 and 57: Pedicularis palustris L. Marsh Lous
Page 58 and 59: Waresley Wood SSSI TL263546 2009 (D
Page 60 and 61: Holme Lode Covert Middle Covert TL2
Page 62 and 63: Ranunculus parviflorus L. Small-flo
Page 64 and 65: Rubus percrispus D. Allen & R.D. Ra
Page 66 and 67: one-year old plants were introduced
Page 68 and 69: Monks Wood SSSI Upton Wood TL190795
Page 70 and 71: Teucrium scorodonia L. Wood Sage Na
Page 72 and 73: ealignment works, the installation
Page 74 and 75: Verbena officinalis L. Vervain Nati
Page 76 and 77: vegetation. It is capable of formin
Page 78 and 79: Appendix 1 Extinctions Many of the
Page 82 and 83: Appendix 3 Additional Species Not Y
Page 84 and 85: Lady’s Wood 6, 17, 53, 60, 66 Lit
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Huntingdonshire - Botanical Society of the British Isles

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