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Map of the sites holding the search term ""Groenlandia densa""

There are 20 sites that mention "Groenlandia densa".

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Sunbiggin Tarn & Moors and Little Asby Scar

…nd to predominate but other species include opposite leaved and small pondweeds Groenlandia densa and Potamogeton berchtoldii, spike water milfoil Myriophyllum spicatum, stonewort Chara sp., common water crowfoot Ranunculus aquatilis and greater bladderwort Utricularia vulgaris. …

River Test

… stream species such as mare's tail Hippuris vulgaris, opposite leaved pondweed Groenlandia densa, the nationally scarce river water dropwort Oenanthe fluviatilis and horned pondweed Zannichellia palustris. Species typical of slower water are also common, common club rush Schoen…

River Wensum

…tum, blue water speedwell Veronica anagallis-aquatica, opposite leaved pondweed Groenlandia densa, willow moss Fontinalis antipyretica and the nationally rare short leaved starwort Callitriche truncata occur. The middle and lower stretches of the river are characterised by rich l…

Upton Broad & Marshes

…rce Grasswrack Pondweed. Other notable species include opposite leaved pondweed Groenlandia densa, greater water parsnip Sium latifolium, flowering rush Butomus umbellatus, river water dropwort Oenanthe fluviatilis and fen pondweed. The fens and dykes support an outstanding assem…

Salmonsbury Meadows

…atica while water crowfoot Ranunculus penicillatus and opposite leaved pondweed Groenlandia densa occur in the water. The meadows are divided by well developed ancient hedges with occasional hedgerow trees. Seventeen tree and shrub species are present including the rare native bl…

Holborough to Burham Marshes

…borough Marshes on the western bank are less brackish; opposite leaved pondweed Groenlandia densa and greater bladderwort Utricularia vulgaris grow in this area, both of which are scarce in Kent. The diversity of habitats supports many interesting invertebrates, including a good …

Puxton Moor

…crowfoot Ranunculus aquatilis and the locally uncommon opposite leaved pondweed Groenlandia densa are all present. Also occurring are the nationally scarce rootless duckweed Wolffia arrhiza and the soft hornwort Ceratophyllum submersum, the latter dominating a number of ditches. …

Misson Training Area

… blunt fruited water starwort Callitriche obtusangula, opposite leaved pondweed Groenlandia densa and thread leaved water crowfoot Ranunculus trichophyllus. A number of regionally uncommon plants are associated with these ditches such as lesser water plantain Baldellia ranunculoi…

Hall Farm Fen, Hemsby

…ncipal aquatics, with water violet Hottonia palustris, opposite leaved pondweed Groenlandia densa, frogbit Hydrocharis morsus-ranae, flat stalked pondweed Potamogeton friesii and stoneworts Chara spp. Emergent and bank edge species include water dropwort Oenanthe fistulosa, cyper…

River Derwent

…Potamogeton lucens, arrowhead Sagittaria sagittifolia, opposite leaved pondweed Groenlandia densa and narrow leaved water parsnip Berula erecta are typically found in lowland rivers in southern England and several occur here near their north eastern limit in Britain. The presence…

River Eden and Tributaries

…n limit in Britain, flowering rush Butomus umbellatus, opposite leaved pondweed Groenlandia densa and horned pondweed Zannichellia palustris. Water crowfoots dominate the faster flowing reaches with the species Ranunculus fluitans, Ranunculus penicillatus, R. aquatifs and R. calc…

Garron Plateau

…tic moss Fontinalis antipyretica and contains the rare opposite leaved pondweed Groenlandia densa. The marginal lake vegetation around most of the lakes tends to be sparse, consisting of a scattered swamp and poor acid fen fringe. The site is home to a wide variety of insects inc…

Preston Marshes

…ment and are the most diverse. Uncommon plants such as opposite leaved pondweed Groenlandia densa, arrowhead Sagitaria saggitifolia and slender tufted sedge Carex acuta occur in these dykes and along their margins. The scarce whorled water milfoil Myriophyllum verticillatum is al…

River Itchen

…alk plants can be found on finer substrates, including opposite leaved pondweed Groenlandia densa, mare's tail Hippuris vulgaris and horned pondweed Zannichellia palustris. The occasional appearance of the eutrophic tolerant species curled pondweed Potamogeton crispus and spiked …

River Nar

…lata; water crowfoot, Ranunculus x pseudofluitans and opposite leaved pondweed, Groenlandia densa. The wet margins, with a constantly high water table typical of chalk streams, support a wide range of emergent plants. The final 18.5 metres is embanked and although less physically…

Lewes Brooks

…ots Ranunculus circinatus and Ranunculus aquatilis and opposite leaved pondweed Groenlandia densa. Other pondweeds found here include shining pondweed Potamogeton lucens, curled pondweed Potamogeton crispus and broad leaved pondweed P. natans. Some ditches become choked with ivy …

The Moors

…ica, lesser water plantain Baldellia ranunculoides and opposite-leaved pondweed Groenlandia densa. In the north where the drains have a more saline character, sea club-rush Bolboschoenus maritimus and bulrush Schoenoplectus tabernaemontani are frequent. Sallow Salix cinerea and c…

Burgh Common and Muckfleet Marshes

…ocharis morsus-ranae, water violet Hottonia palustris, opposite leaved pondweed Groenlandia densa, stoneworts Chara spp. and the uncommon fen pondweed Potamogeton coloratus. The invertebrate fauna includes several rare species, including the Norfolk Aeshna dragonfly Anaciaeschna …

Chew Valley Lake

…eton pectinatus, lesser pondweed Potamogeton pusillus, opposite leaved pondweed Groenlandia densa and water crowfoots Ranunculus spp. The site is an internationally important staging post for migratory birds, especially waders, terns, warblers and hirundines. The grasslands and r…

Moors River System

…hese occur with other additional river plants, notably opposite leaved pondweed Groenlandia densa and river water dropwort Oenanthe fluviatilis which are uncommon and declining aquatic species. Near Hurn there is a further major change in the river vegetation. The high diversity …

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