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Map of the sites holding the search term ""Potamogeton x salicifolius""

There are 16 sites that mention "Potamogeton x salicifolius".

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River Tweed

…become more abundant, forming large beds in shallower sections. Curled pondweed Potamogeton crispus is another characteristic species within the channel. Marginal emergent vegetation becomes more of a feature, with branched bur-reed Sparganium erectum and particularly reed canary…

River Frome

…same chalk species persist, but the presence of plants such as shining pondweed Potamogeton lucens, the hybrid Potamogeton x salicifolius, fennel pondweed Potamogeton pectinatus, Canadian pondweed Elodea canadensis and yellow water-lily Nuphar lutea indicate a change to the lowla…

Afon Cleddau Dwyreiniol / Eastern Cleddau River

…atic plants often dominated by water-crowfoot Ranunculus spp, the aquatic plant Potamogeton berchtoldii x Potamogeton polygonifolius (cf.) as well as a variety of associated riverside habitats. The tributaries included within this site are the Afon Wern, Llanycefn, Rhyd-afallen, …

Knapdale Woods

…ed with a course substrate. Each of the lochs has a rich assemblage of pondweed Potamogeton species including the near threatened long-stalked pondweed Potamogeton praelongus and the nationally-scarce long-leaved pondweed P. x zizii. Loch Coille-Bharr and Loch Barnluasgan are mes…

Mill Lough

…e of only three water bodies in Northern Ireland with eight species of pondweed Potamogeton spp.. In addition, significant numbers of waterfowl use the lough in winter. The aquatic vegetation is dominated by extensive submerged beds of pondweeds, consisting of long stalked pondwe…

River Eden and Tributaries

…pecies it supports. In the slower flowing sections this includes curly pondweed Potamogeton crispus, perfoliate pondweed Potamogeton perfoliatus, and various leaved pondweed Potamogeton gramineus. There are also three species towards their northwestern limit in Britain, flowering…

Castlewellan Lake

…quatic plants such as Canadian waterweed Elodea canadensis, perfoliate pondweed Potamogeton perfoliatus, long-leaved pondweed Potamogeton x zizii and alternate water-milfoil Myriophyllum alterniflorum form mixed submerged beds, while amphibious bistort Persicaria amphibia forms o…

Eryri

…species as bottle sedge Carex rostrata, star sedge Carex echinata, bog pondweed Potamogeton polygonifolius, and Sphagnum mosses, particularly Sphagnum recurvum, S. auriculatum and S. papillosum. In a small number of locations white beak sedge Rhynchospora alba is found in acid fl…

Rousay

…er supports several species of pondweed, including the nationally scarce hybrid Potamogeton x angustifolius and is the only known Orkney site for Potamogeton lucens. The SSSI supports an important assemblage of nationally scarce vascular plants including round-leaved wintergreen …

Ceann a' Mhara to Loch a' Phuill

…luding ten species of pondweed, among them the nationally-rare Swedish pondweed Potamogeton x suecicus, and two nationally-scarce pondweeds, the slender-leaved pondweed Potamogeton filiformis and fen pondweed Potamogeton coloratus. The open water has dense stands of charophytes w…

Tweed Catchment Rivers - England: Lower Tweed and Whiteadder

… Ranunculus penicillatus subsp. pseudofluitans. The presence of curled pondweed Potamogeton crispus, fennel pondweed Potamogeton pectinatus and perfoliate pondweed Potamogeton perfoliatus, indicate the base rich nature of the rivers. Nationally scarce plants include the graceful …

Chesterfield Canal

…il Myriophyllum spicatum, Nuttall’s waterweed Elodea nuttallii, fennel pondweed Potamogeton pectinatus, perfoliate pondweed Potamogeton perfoliatus, brackish water crowfoot Ranunculus baudotii, short leaved water starwort Callitriche truncata and algae of the genus Cladophora. Tw…

Afon Teifi

… through peat, species such as the liverwort Scapania undulata and bog pondweed Potamogeton polygonifolius with filamentous green algae occur within the channel, with species including purple-moor grass Molinia caerulea, mat grass Nardus stricta and bog-mosses Sphagnum spp. chara…

Black Loch (Cleish)

… and supports 3 nationally scarce plant species, namely slender-leaved pondweed Potamogeton filiformis, long-stalked pondweed Potamogeton praelongus and hybrid water-lily Nuphar x intermedia. The loch is shallow but without extensive areas of emergent vegetation, however, there a…

Lough Melvin

…ed Elodea canadensis and a number of pondweeds, such as various leaved pondweed Potamogeton gramineus, fennel pondweed Potamogeton pectinatus and perfoliate pondweed Potamogeton perfoliatlus. Most of the shoreline and shallow margins of the lough are exposed to wave action and ha…

Abberton Reservoir

…int Mentha x-verticillata, lesser skullcap Scutellaria minor and small pondweed Potamogeton berchtoldii.

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