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Map of the sites holding the search term ""Lemna polyrhiza""

There are 15 sites that mention "Lemna polyrhiza".

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Bookham Commons

… these areas includes three plants which are scarce in Surrey, greater duckweed Lemna polyrhiza, fat duckweed Lemna gibba and thread leaved water crowfoot Ranunculus trichophyllus. Stands of tall fen vegetation are particularly well established in the chain of ponds which run eas…

Pevensey Levels

… pattern occurs. First, floating and submerged aquatic plants such as duckweeds Lemna sp, pond weeds Potamogeton sp or water fern Azolla sp colonize. These are followed by larger, floating or emergent plants such as frog bit Hydrocharis morsus-ranae, bur reed Sparganium erectum a…

Holland Haven Marshes

…culoides, various leaved water starwort Callitriche platycarpa and fat duckweed Lemna gibba and greater duckweed Lemna polyrhiza, both of which are scarce in Essex. The grassland through which the ditch system runs comprises coastal and freshwater grazing marsh and an area of am…

Blindley Heath

…he water surface includes a plant which is uncommon in Surrey, greater duckweed Lemna polyrhiza. In the shallow water of the pond margins plants such as common water plantain Alisma plantago-aquatica, narrow leaved water plantain Alisma lanceolatum, cyperus sedge Carex pseudo cyp…

Montgomery Canal, Aston Locks - Keeper's Bridge

…ed pondweed Potamogeton natans, frogbit Hydrocharis morsus-ranae great duckweed Lemna polyrhiza and unbranched bur reed Sparganium emersum. There are extensive areas of fringing reed swamp, composed of reed sweet grass Glyceria maxima, branched bur reed Sparganium erectum, greate…

Portmore Lough

…buted plants including horned pondweed Zannichellia palustris, greater duckweed Lemna polyrhiza, cowbane Cicuta virosa and Typha angustifolia. This lough, a satellite water body of Lough Neagh, is an important component of the wetland area used by wintering waterfowl visiting the…

Emmett Hill Meadows

…ce of species rich boundary hedges and a smallpond which holds greater duckweed Lemna polyrhiza. This diversity of habitats supports a variety of insects including the meadow brown, small heath and common blue butterflies and the forester moth Adscita statices. Of particular inte…

Godstone Ponds

…a of the pond includes horned pondweed Zannichellia palustris, greater duckweed Lemna polyrhiza and white water lily Nymphaea alba. All three ponds support stands of marginal tall fen vegetation which are dominated by great reed mace Typha latifolia and common reed Phragmites aus…

Westhay Moor

… Hydrocharis morsus range, rootless duckweed Wolffia arrhiza and great duckweed Lemna polyrhiza. Westhay Moor supports a nationally outstanding community of terrestrial and aquatic invertebrates. Thirteen Red Data Book species have been recorded in recent years including the enda…

Fenemere

…ulrush Schoenoplectus lacustris and bur reed Sparganium erectum. great duckweed Lemna polyrhiza, a scarce plant, occurs in the reed beds. On the western side of the mere there is a broad belt of alder carr, in which tussock sedge Carex paniculata, cyperus sedge Carex pseudocyperu…

Quoile

…aquatic species, including fennel pondweed Potamogeton pectinatus, fat duckweed Lemna gibba, greater duckweed Spirodela polyrhiza and yellow water lily Nuphar lutea. Around the water's edge there is a band of swamp, often dominated by common reed Phragmites australis and bulrush …

Montiaghs Moss

…resses Spiranthes romanzoffiana, frogbit Hydrocharis morsus-ranae, fat duckweed Lemna gibba, greater duckweed Spirodela polyrhiza, common meadow rue Thalictrum flavum and cowbane Cicuta virosa. The area is one of the most important in Northern Ireland for wetland invertebrates. I…

West Moor

…a rich aquatic flora with frogbit Hydrocharis morsus-ranae, ivy leaved duckweed Lemna trisulca, greater duckweed Spirodela polyrhiza and the local rootless duckweed Wolffia arrhiza. Field ditches, particularly between withy beds, may be hand cleaned resulting in outstandingly ric…

Brackagh Bog

…ing vegetation includes a number of duckweeds including the scarce fat duckweed Lemna gibba and greater duckweed Spirodela polyrhiza, along with stands of broad leaved pondweed Potamogeton natans. Beneath the surface of the water, blunt leaved pondweed Potamogeton obtusifolius an…

Montgomery Canal

…cally, including yellow water-lily Nuphar lutea and various species of duckweed Lemna spp. The locally rare greater duckweed Spirodela polyrhiza occurs in places and floating water plantain is found along the entire length of the canal in Wales. The emergent and marginal vegetati…

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