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Map of the sites holding the search term ""Polygonum amphibium""
There are 56 sites that mention "Polygonum amphibium".
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Sites — ranked by relevance
River Axe
…pondweed Potamogeton perfoliatus and Potamogeton pectinatus, amphibious bistort Polygonum amphibium, brooklime Veronica beccabunga, horned pondweed Zannichellia palustris and spiked water-milfoil Myriophyllum spicatum. The mosses Fontinalis antipyretica and Rhyncostegium riparioi…
Fray's Farm Meadows
…tium-aquaticum, water forget-me-not Myosotis scorpioides and amphibious bistort Polygonum amphibium are amongst the common plants in the ditches. The Fray's River has a similar flora to the ditches but also includes arrow head Sagittaria sagittifolia. The entomological interest o…
Bradgate Park and Cropston Reservoir
…lora and others more typical of lowland open waters, such as amphibious bistort Polygonum amphibium. Several nationally scarce species occur in the drawdown zone, namely orange foxtail grass Alopecurus aequalis, needle spike rush Eleocharis acicularis, small water pepper Persicar…
Siddick Pond
…mnal starworts Callitriche stagnalis and C. hermaphroditica, amphibious bistort Polygonum amphibium, Canadian pondweed Elodea canadensis, lesser water plantain Baldellia ranunculoides and four species of pondweed Potamogeton spp. Around the pond margin are large beds of common re…
Highclere Park
…ree floating vegetation of bogbean Menyanthes trifoliata and amphibious bistort Polygonum amphibium into rafts dominated by common reed Phragmites australis, the reed maces Typha angustifolia and Typha latifolia and a range of sedges, including bottle sedge Carex rostrata.
The i…
Brandon Marsh
…nd the pools and are dominated by toad rush Juncus bufonius, amphibious bistort Polygonum amphibium or common spike rush Eleocharis palustris. These give way to fen vegetation which is both species rich and very variable, consisting of a mixture of reed sweet grass Glyceria maxim…
River Ithon
…amulata, alternate water-milfoil Myriophyllum alterniflorum, amphibious bistort Polygonum amphibium, broad-leaved pondweed Potamogeton natans, stream water-crowfoot Ranunculus penicillatus subsp. pseudofluitans (both in its typical form and var. vertumnus), and the water mosses F…
Wadenhoe Marsh and Achurch Meadow
…sses Glyceria spp., marsh foxtail Alopecurus geniculatus and amphibious bistort Polygonum amphibium. These areas are vital for the breeding requirements of snipe, redshank and lapwing, several pairs of which occur. The oxbow pool and feeder channel is a valuable freshwater habita…
Maer Pool
…mon duckweed Lemna minor, yellow water lily Nuphar lutea and amphibious bistort Polygonum amphibium occur sparsely. Around much of the pool margin there is a narrow fringe of emergent vegetation mostly dominated by bulrush Typha latifolia, branched bur reed Sparganium erectum and…
River Beult
…iver bank plants include water chickweed Myosoton aquaticum, amphibious bistort Polygonum amphibium, celery leaved buttercup Ranunculus sceleratus, great yellow cress Rorippa amphibia, water plantain Alisma plantgao-aquatica and purple loosestrife Lythrum salicaria.
The adjacent …
Bolton Percy Ings
…r saxifrage Silaum silaus, ribwort plantain Plantago lanceolata, common bistort Polygonum bistorta, oxeye daisy Leucanthemum vulgare, common knapweed Centaurea nigra, common meadow rue Thalictrum flavum, meadow foxtail Alopecurus pratensis, meadow fescue Schedonorus pratensis and…
Holywell Pond
…pen water areas have been colonised by stonewort Chara spp., amphibious bistort Polygonum amphibium and pondweeds Potamogeton spp., while the pond margins have stands of emergent vegetation including reed canary grass Phalaris arundinacea, branched bur reed Sparganium erectum, ma…
East Wretham Heath
…nd drying such as reed canary grass Phalaris arundinacea and amphibious bistort Polygonum amphibium are abundant. The seasonally exposed shores support a number of rare and unusual plants, including the moss Physcomitrium erystomum at its only known British locality, while the aq…
Canyards Hills
…wer Cardamine pratensis, bog stitchwort Stellaria alsine and amphibious bistort Polygonum amphibium. The permanent ponds provide areas of open water and some support a rich aquatic flora which grades into bog vegetation at the edges. The aquatic plants include broad leaved pondwe…
Newport Canal
…ter lily Nuphar lutea, floating pondweed Potamogeton natans, amphibious bistort Polygonum amphibium, ivy leaved duckweed Lemma trisulca and frog bit Hydrocharis morsus-ranae, which is an uncommon species, as well as two introduced plants, the fringed water lily Nymphoides peltata…
Ouse Washes
…r with a variety of sedges and rushes. Typical herbs include amphibious bistort Polygonum amphibium, water pepper Persicaria hydropiper and tubular water dropwort Oenanthe fistulosa. The associated dykes and rivers hold a great variety of aquatic plants, the pondweeds Potamogeton…
Sandy Warren
…rsh bedstraw Galium palustre and water mint Mentha aquatica. Amphibious bistort Polygonum amphibium and water plantain Alisma plantago-aquatica are amongst the emergent species, while aquatic plants include rigid hornwort Ceratophyllum demersum, common duckweed Lemna minor and th…
Lower Derwent Meadows
…dle of the meadow supports flote grass Glyceria fluitans and amphibious bistort Polygonum amphibium whilst crow garlic Allium vineale grows along the river bank.
Both meadows are valuable for butterflies providing the food plants of small heath, meadow brown, small copper, common…
Tattershall Old Gravel Pits
…ite of species are variations such as the local dominance of amphibious bistort Polygonum amphibium, water moss Fontinalis antipyretica, water violet Hottonia palustris, mare's tale Hippuris vulgaris, yellow water lily Nuphar lutea and broad leaved pondweed Potamogeton natans. A …
Lea Marsh
…get-me-not Myosotis scorpioides, water mint Mentha aquatica, amphibious bistort Polygonum amphibium, lesser pond sedge Carex acutiformis, common reed Phragmites australis, common reed mace Typha latifolia, reed sweet grass Glyceria maxima and branched bur reed Sparganium erectum.…
Edgbaston Pool
… pool shallow areas have broad leaved pondweed P. natans and amphibious bistort Polygonum amphibium. Encompassing the pool on three sides is a band of emergent swamp vegetation which includes greater reed mace Typha latifolia, reed sweet grass Glyceria maxima, greater pond sedge …
Comber Mere
…white and yellow water lily Nymphaea alband Nuphar lutea and amphibious bistort Polygonum amphibium occur. Around most of the eastern end of the mere is a band of common reed Phragmites australis, interspersed with common club rush Schoenoplectus lacustris, greater pond sedge Car…
Naburn Marsh
…urus pratensis are prominent in the sward together with large stands of bistort Polygonum amphibium and clumps of marsh marigold Caltha palustris. Of more scattered occurrence are pepper saxifrage Silaum silaus, ragged-robin Silene flos-cuculi and water forget-me-not Myosotis sco…
Gungrog Flash
…us, soft rush Juncus effusus and water mint Mentha aquatica. Amphibious bistort Polygonum amphibium and the rare water-violet Hottonia palustris are also found here. Although not as botanically rich as its margins, the lake itself does contain such species as water-starworts Call…
Besthorpe Meadows
… Agrostis stolonifera, marsh foxtail Alopecurus geniculatus, amphibious bistort Polygonum amphibium and hairy sedge Carex hirta.
An old borrow pit fringed by grey willow Salix cinerea, almond willow Salix triandra and osier Salix viminalis provides additional habitat diversity a…
Chesterfield Canal
…he local abundance of Canadian water weed Elodea canadensis, amphibious bistort Polygonum amphibium and small and lesser pondweeds Potamogeton berchtoldii and Potamogeton pusillus. The rich marginal vegetation is locally dominated by reed sweet grass Glyceria maxima, branched bur…
Ingrebourne Marshes
…herb Epilobium hirsutum, tufted forget-me-not Myosotis laxa, amphibious bistort Polygonum amphibium, water pepper P. hydropiper and greater reed mace Typha latifolia. golden dock Rumex maritimus, a nationally scarce plant, is also within the community growing alongside an irrigat…
Loe Pool
…orella uniflora, horned pondweed Zannichellia palustris, and amphibious bistort Polygonum amphibium. One noteworthy species of alga, stonewort alga Nitella hyalina, has also been recorded. The shingle bar supports local plant species including sea holly Eryngium maritimum, sea fe…
Crowle Borrow Pits
…lata, saw sedge Cladium mariscus, reed Phragmites australis, amphibious bistort Polygonum amphibium and reed mace Typha latifolia. Several small ponds exist within the fen and scrub and contain aquatic and marginal species such as water plantain Alisma plantago-aquatica, spike ru…
Scotton and Laughton Forest Ponds
…he water starworts Callitriche stagnalis and C. hamulata and amphibious bistort Polygonum amphibium. Single species stands of marginal vegetation are formed by bulrush Schoenoplectus lacustris and common reed Phragmites australis. The grassland area is dominated by tussocky wavy …
Silver Tarn, Hollas and Harnsey Mosses
…d common spike rush particularly along the north west shore. Amphibious bistort Polygonum amphibium and water purslane Lythrum portula are common species of the broad zone of seasonal inundation along the south western shore with frequent nodding bur marigold Bidens cernua and ma…
Lambwath Meadows
…bin Silene flos-cuculi, meadow vetchling Lathyrus pratensis, amphibious bistort Polygonum amphibium and meadow brome Bromus commutatus.
Species of more restricted distribution in Britain which occur here include pepper saxifrage Silaum silaus, tubular water dropwort Oenanthe fis…
Tilwick Meadow
…rsh bedstraw Galium palustre and water mint Mentha aquatica. Amphibious bistort Polygonum amphibium and water plantain Alisma plantago-aquatica are amongst the emergent species, while aquatic plants include rigid hornwort Ceratophyllum demersum, common duckweed Lemna minor and th…
Cornmill Stream and Old River Lea
…r lily Nuphar lutea, shining pondweed Potamogeton lucens and amphibious bistort Polygonum amphibium.
The site also includes an area of rough grassland which provides feeding and breeding grounds forboth invertebrates and birds.
East Harling Common
…rr and fen vegetation and a number of aquatic plants such as amphibious bistort Polygonum amphibium, mare's tail Hippuris vulgaris and large quantities of water violet Hottonia palustris are present. The mere is outstanding for its community of aquatic beetles and of the 24 speci…
Pettypool Brook Valley
…ere Pettypool Brook enters the pool.
Stands are dominated by amphibious bistort Polygonum amphibium, yellow water lily Nuphar lutea, lesser bulrush Typha angustifolia, bottle sedge Carex rostrata and common reed Phragmites australis. The fen vegetation throughout the valley is ty…
Marloes Mere
…Agrostis canina and creeping bent Agrostis stolonifera, with amphibious bistort Polygonum amphibium and floating sweet-grass Glyceria fluitans in the wettest hollows. Common cottongrass Eriophorum angustifolium and common spike-rush Eleocharis palustris are also abundant. The dit…
Delph Bridge Drain
… mace Typha latifolia, branched bur reed Sparganium erectum, amphibious bistort Polygonum amphibium, soft rush Juncus effusus, hard rush Juncus inflexus and duckweed Lemna minor. The ditch banks are characterised by false oat grass Arrhenatherum elatius, cock’s foot Dactylis glom…
Fishpool Valley
…. In the pools themselves the most characteristic species is amphibious bistort Polygonum amphibium which occurs in some profusion.
The area is of considerable ornithological importance with woodland species such as pied flycatcher Ficedula hypoleuca, treecreeper Certhia familia…
Stowe Pool and Walk Mill Clay Pit
…as limited marginal vegetation, but its water plants include amphibious bistort Polygonum amphibium and spiked water milfoil Myriophyllum spicatum. The shallow margins of the pool are dominated by extensive low growing blankets of the water plant Chara aspera var. curta a nationa…
Thwaite House Moss
…eet Solanum dulcamara, purple loosestrife Lythrum salicaria, amphibious bistort Polygonum amphibium, marsh cinquefoil Comarum palustre, red campion Silene dioica, hedge woundwort Stachys sylvatica, herb robert Geranium robertianum and tufted vetch Vicia cracca. Greater tussock se…
River Blythe
…quatic vegetation encroaching from the banks into the water. Amphibious bistort Polygonum amphibium, great yellow cress Rorippa amphibia and reed sweet grass Glyceria maxima are typical constituents of this community. Several damp, unimproved meadows occur along the length of the…
River Wye
…reed Sparganium erectum. Other marginal plants such as amphibious water bistort Polygonum amphibium, brooklime Veronica beccabunga, yellow cress Rorripa spp. and water forget-me-not Myosotis scorpioides are widespread and frequent. The nationally scarce horse tail Equisetum x lit…
Prestwick Carr
…c species including pond water crowfoot Ranunculus peltatus, amphibious bistort Polygonum amphibium, pondweed Potamogeton sp. and water plantain Alisma plantago-aquatica.
Prestwick Carr is seasonally flooded and supports wildfowl during the winter months. In spring mallard, moor…
Long Herdon Meadow
…low herb Epilobium hirsutum, marsh bedstraw Galium palustre, amphibious bistort Polygonum amphibium, water pepper P. hydropiper and water plantain Alisma plantago-aquatica. Parts of the meadow are flanked by hedges. Winter flooding encourages considerable numbers of wading birds …
Hallow Hill
…igwort Scrophularia nodosa, marsh ragwort Senecio aquaticus, amphibious bistort Polygonum amphibium and common valerian Valeriana officinalis. In addition monkey flower Mimulus guttatus, reed canary grass Phalaris arundinacea and reed mace Typha latifolia with goat willows Salix …
Sea Bank Clay Pits
… moss Fontinalis antipyretica. In addition there is abundant amphibious bistort Polygonum amphibium and rigid hornwort Ceratophyllum demersum. Large stands of common reed Phragmites australis occur as a broad margin, especially at Huttoft. Associated with the reedbeds are sea clu…
Haxey Grange Fen
… soft rush Juncus effusus, greater pond sedge Carex riparia, amphibious bistort Polygonum amphibium, common reed Phragmites australis and meadowsweet Filipendula ulmaria. In addition there is a rich variety of herb species with several of uncommon occurrence including purple loos…
Orston Plaster Pits
…common reed Phragmites australis and also strong colonies of amphibious bistort Polygonum amphibium and water plantain Alisma plantago-aquatica. The aquatic flora reflects the calcium rich status of the water and is characterised by the presence of thread leaved water crowfoot Ra…
Llyn Llywenan
…s include the two water-lilies Nuphar lutea and Nymphaea alba and water bistort Polygonum amphibium. There is extensive development of reedswamp with stands of common reed Phragmites australis and lesser bullrush Typha angustifolia; associated species include common club-rush Sch…
Llan Bwch-llyn Lake
…d duckweed Lemna trisulca, shoreweed Littorella uniflora and amphibious bistort Polygonum amphibium. The algal communities are rather more typical of eutrophic lakes, with a diatom peak in spring and autumn, a peak of green algae in early summer and a blue-green peak in summer. T…
Dumsey Meadow
…mint Mentha aquatica, marsh horsetail Equisetum palustre and amphibious bistort Polygonum amphibium. The Surrey rarities marsh arrowgrass Triglochin palustris and meadow rue Thalictrum flavum have been recorded.
The river bank, although intensively used for recreation, still supp…
Wendlebury Meads and Mansmoor Closes
…ecurus geniculatus, tufted hair grass Deschampsia cespitosa, amphibious bistort Polygonum amphibium, lesser spearwort Ranunculus flammula, creeping Jenny Lysimachia nummularia, ragged-robin Silene flos-cuculi and lady's smock Cardamine pratensis. Plants confined largely to the ha…
Wretham Park Meres
…rush Schoenoplectus lacustris, yellow iris Iris pseudacorus, amphibious bistort Polygonum amphibium and reed canary grass Phalaris arundinacea. Breeding wildfowl include diving ducks due to the moderate water depth and mallard, teal, gadwall, shoveler, tufted duck and pochard all…
New Hartley Ponds
…easonal ponds at New Hartley, with their vegetation cover of amphibious bistort Polygonum amphibium, common spike rush Eleocharis palustris, water horsetail Equisetum fluviatile and water crowfoot Ranunculus aquatilis, are frequented by five species of breeding amphibian. Of part…
Shibdon Pond
…. bulbosus, sedges Carex hirta and C. otrubae and herbs including water bistort Polygonum amphibium and celery leaved crowfoot Ranunculus sceleratus. A small clump of common reed Phragmites australis is also present. Herb rich damp grassland supports lady’s smock Cardamine praten…
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