Rare Plant Register for Huntingdonshire - Botanical Society of the ...

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Appendix 1 Extinctions Many of the species listed below are undoubtedly long since extinct, having disappeared with the last remnants of their habitats. For some species, the evidence for them ever having occurred in the County is very weak. Despite the above, the re-discovery of Marsh Lousewort (Pedicularis palustris) in 2005 and Parsley Water-dropwort (Oenanthe lachenalii) in 2008 shows that there is still some hope, however slight, that some species might be re-discovered. Species Last Known Sighting Adoxa moschatellina 1 Moschatel ? Andromeda polifolia Bog-rosemary 1840 Antennaria dioica Mountain Everlasting 1884 Apium inundatum Lesser Marshwort 1913 Blechnum spicant Hard Fern 1972 Botrychium lunnaria Moonwort 1880-1890 Bupleurum tenuissimum Slender Hare’s-ear 1884 Bupleurum rotundifolium Thorow-wax c. 1895 Carex hostiana 2 Tawny Sedge 1884 Carex strigosa 3 Thin-spiked Wood-sedge ? Carex vesicaria 4 Bladder-sedge 1880-90 Clinopodium calamintha Lesser Calamint 1851 Dactylorhiza viridis Frog Orchid 1936 Dianthus armeria Deptford Pink 1984 Drosera anglica Great Sundew 1840 Drosera intermedia Oblong-leaved Sundew 1848 Drosera rotundifolia Round-leaved Sundew 1848 Dryopteris cristata Crested Buckler-fern 1889 Eleocharis multicaulis Many-stalked Spike-rush 1846 Eleocharis quinqueflora Few-flowered Spike-rush 1846 Eriophorum angustifolium Common Cottongrass 1850 Eriophorum latifolium Broad-leaved Cottongrass before 1836 Filago lutescens Red-tipped Cudweed 1886 Filago minima Small Cudweed 1880 Galium saxatile Heath Bedstraw 1885 Galium tricornutum Corn Cleavers 1950 Hammarbya paludosa Bog Orchid 1840 Lactuca saligna Least Lettuce 1951 Liparis loeselii Fen Orchid 1850 1 Wells considered this un-localised record dubious and it is certainly very disjunct. 2 Only doubtfully recorded, see the Flora for more detail. 3 Source reputable but not seen firsthand and details/specimens lacking. 4 Source reputable but not seen firsthand and details/specimens lacking. 88
Limosella aquatica Mudwort 1908 Lycopodiella inundata Marsh Clubmoss before 1850 Melampyrum pratense Common Cow-wheat c. 1930 Menyanthes trifoliata 5 Bogbean 1926 Moenchia erecta Upright Chickweed 1887 Narthecium ossifraga Bog Asphodel 1860 Orchis ustulata Burnt Orchid 1890 Oreopteris limbosperma Lemon-scented Fern 1860 Parnassia palustris Grass-of-Parnassus 1888 Pedicularis sylvestris Lousewort before 1965 Persicaria bistorta Common Bistort 1886 Persicaria minor Small Water-pepper before 1926 Peucedanum palustris Milk Parsley 1845 Pilularia globulifera Pillwort 1864 Pinguicula vulgaris Common Butterwort 1909 Potamogeton polygonifolius Bog Pondweed before 1906 Potamogeton praelongus Long-stalked Pondweed 1967 Potamogeton trichoides Hairlike Pondweed 1908 Potamogeton x grovesii Potamogeton pusillus x trichoides 89 1909 Potamogeton x nitens Bright-leaved Pondweed 1910 Pulicaria vulgaris Small Fleabane 1846 Rhynchospora alba White Beak-sedge 1846 Rosa sherardii Sherard’s Downy-rose 1910 Salix aurita 6 Eared Willow 1884 Schoenus nigricans Black Bog-rush 1845 Sparganium natans Least Bur-reed 1909 Stratiotes aloides 7 Water-soldier 1828 Teesdalia nudicaulis Shepherd’s Cress 1926 Teucrium scordium Water Germander 1826 Thelypteris palustris Marsh Fern 1860 Umbilicus rupestris 8 Navelwort 1880 Utricularia minor Lesser Bladderwort 1845 Vaccinium oxycoccos Wall Pennywort 1845 Viola palustris Marsh Violet 1886 5 Still present as a garden escape. 6 Long extinct as a native tree but over recent years it has become fashionable to plant this species when restoring old gravel workings. 7 Still present as a garden escape. 8 It is difficult to visualise what niche this species would have occupied at Holme Fen and there is no specimen to support its presence. Could this be an error for Hydrocotyle vulgaris?
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Rare Plant Register for Huntingdons
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justification, however understandab
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The current accounts of charophyte
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8. The Species Accounts The species
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Orton Longueville Wood (CP) TL16079
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Conington Airfield TL178870 2005 (W
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Salome Wood TL12677788 2009 (DB & L
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Calluna vulgaris (L.) Hull Heather
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Carex divulsa Stokes ssp. divulsa G
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Carex panicea L. Carnation Sedge Na
Page 22 and 23:
Carex viridula Michaux ssp. brachyr
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Centaurium pulchellum (SW.) Druce L
Page 26 and 27:
Norman Cross Pits: East Pit Middle
Page 28 and 29:
Cruciata laevipes Opiz. Crosswort N
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Dactylorhiza incarnata ssp. incarna
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e determined whether or not a self-
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A rare but locally abundant species
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Easton, Lodge Farm TL136696 2005 (B
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Frangula alnus Mill. Alder Buckthor
Page 40 and 41: Galium uliginosum L. Fen Bedstraw N
Page 42 and 43: Gymnocarpium dryopteris (L.) Newman
Page 44 and 45: This is a free-floating species tha
Page 46 and 47: Isolepis setacea (L.) R.Br. Bristle
Page 48 and 49: This species probably persists at a
Page 50 and 51: subspecies were not distinguished b
Page 52 and 53: Lythrum portula at Monks Wood SSSI
Page 54 and 55: Primula x digenea and Primula elati
Page 56 and 57: Lythrum portula (L.) D.A. Webb Wate
Page 58 and 59: Myosotis ramosissima Rochel Changin
Page 60 and 61: Nymphoides peltata Kuntze Fringed W
Page 62 and 63: Oenanthe silaifolia M. Bieb. Narrow
Page 64 and 65: Compartment 47 Compartment 39 62 TL
Page 66 and 67: Monks Wood, field south of TL194793
Page 68 and 69: occur on the VC31 side of the River
Page 70 and 71: natural woodlands. Where this speci
Page 72 and 73: Ranunculus sardous Crantz Hairy But
Page 74 and 75: Rubus percrispus D. Allen & R.D. Ra
Page 76 and 77: margins of rivers and lakes in mixe
Page 78 and 79: established well and has thrived. T
Page 80 and 81: Stellaria palustris Retz. Marsh Sti
Page 82 and 83: Torilis arvensis (Huds.) Link Sprea
Page 84 and 85: Utricularia vulgaris L. Greater Bla
Page 86 and 87: Veronica scutellata L. Marsh Speedw
Page 88 and 89: This species has always been rare i
Page 92 and 93: Wahlenbergia hederacea Ivy-leaved B
Page 94 and 95: Appendix 3 Additional Species Not Y
Page 96: Little Catworth, 9 Little Paxton, 3
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