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

There are 30 sites that mention "Lemna minor".

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Derryvore

…le. Where open-water pools remain, floating vegetation includes common duckweed Lemna minor, ivyleaved duckweed Lemna trisulca, broad leaved pondweed Potamogeton natans and more notably frogbit Hydrocharis morsus-ranae. Submerged species found in these pools include blunt leaved …

Round Lough and Lough Fadda

… reed Sparganium emersum, Canadian waterweed Elodea canadensis, common duckweed Lemna minor, ivyleaved duckweed Lemna trisulca and stoneworts Chara spp. The lough is fringed by emergent swamp vegetation including common club rush Schoenoplectus lacustris and bulrush Typha latifol…

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…

Cresswell Ponds

…ed Potamogeton crispus, fennel pondweed Potamogeton pectinatus, common duckweed Lemna minor and ivy leaved duckweed Lemna trisulca, with an emergent vegetation of bur reed Sparganium erectum, common spike rush Eleocharis palustris and occasionally common club rush Schoenoplectus …

Hatfield Chase Ditches

… Potamogeton natans, fennel pondweed Potamogeton pectinatus and common duckweed Lemna minor. Less common species include ivy leaved duckweed Lemna trisulca and various leaved pondweed Potamogeton gramineus. Intermediate water starwort Callitriche brutia ssp. hamulata and floating…

Greenaways and Freshmarsh, Braunton

…to drier grassland containing hairy sedge Carex hirta, yellow rattle Rhinanthus minor, common knapweed Centaurea nigra and crested dog’s-tail Cynosurus cristatus. The associated drainage ditches support a rich assemblage of aquatic plants which provide an important element of th…

Tetney Blow Wells

… water plant communities of the blow wells are characterised by common duckweed Lemna minor, ivy leaved duckweed L. trisulca, stoneworts Chara spp. and common water starwort Callitriche stagnalis. All of these species are typical of nutrient rich, eutrophic waters. In addition, s…

Westwick Lakes

…ain’s Pond, the two eutrophic water bodies. Other water plants include duckweed Lemna minor, the free floating liverwort Riccia fluitans and several species of pondweed Potamogeton spp. The marginal vegetation is dominated by lesser reed mace Typha angustifolia with soft rush Jun…

Rodbed Wood

…ma, great pond sedge Carex riparia, starwort Callitriche stagnalis and duckweed Lemna minor occur in the ditches and adjacent pond. The dragonflies Aeshna grandis and Sympetrum striolatum have been identified, but the rich invertebrate fauna warrants further study. The wood attra…

Aughnadarragh Lough

…water lily Nuphar lutea, various pondweeds Potamogeton spp. and common duckweed Lemna minor. A narrow band oftransitional swamp is dominated by bulrush Typha latifolia and bottle sedge Carex rostrata with frequent water dock Rumex hydrolapathum. This is backed by tall fen vegetat…

Tilwick Meadow

…s tail Cynosurus cristatus and other species including yellow rattle Rhinanthus minor, pepper saxifrage Salaum silaus, lady’s bedstraw Galium verum, spiny rest-harrow Ononis spinosa, salad burnet Poterium sanguisorba, field wood rush Luzula campestris, glaucous sedge Carex flacca…

Sandy Warren

…e aquatic plants include rigid hornwort Ceratophyllum demersum, common duckweed Lemna minor and thread leaved water crowfoot Ranunculus trichophyllus. Bulrush Typha latifolia and common spike rush Eleocharis palustris are also present. Species uncommon or rare in the county inclu…

Afon Teifi

…sul, Afon Teifi is generally mesotrophic with species including common duckweed Lemna minor, stream water-crowfoot and alternate water-milfoil Myriophyllum alterniflorum occurring, together with a range of bryophytes including Cinclidotus fontinaloides, Rhyncostegium riparioides …

Barrow Farm Fen

…a sparse vegetation which includes marsh marigold Caltha palustris and duckweed Lemna minor. Dry carr is established where there is little or no standing water, particularly around the periphery of the site. It is dominated by alder and sallow, beneath which there is a strong gro…

Powerstock Common and Wytherston Farm

…parsely vegetated by floating sweet-grass Glyceria fluitans and common duckweed Lemna minor communities. Some ponds have an unusual flora which includes branched bur-reed Sparganium erectum, bog pondweed Potamogeton polygonifolius, bogbean Menyanthes trifoliata, lesser water-plan…

Lea Marsh

… Centaurea nigra, meadow vetchling Lathyrus pratensis, yellow rattle Rhinanthus minor, pepper saxifrage Silaum silaus and common meadow rue Thalictrum flavum. Of particular note is the presence of a large population of narrow leaved water dropwort Oenanthe silaifolia, a national…

Tonnagh Quarry

…of shallow, open water with abundant charophytes Chara spp. and common duckweed Lemna minor are present. This open water provides ideal habitat for the smallest of the Irish damselflies; the scarce blue-tailed damselfly Ischnura pumilio. In Europe, this species is mainly distribu…

Cassop Vale

… water. Aquatic plants include mare’s tail Hippuris vulgaris, common duck weed Lemna minor, ivy leaved duck weed L. trisulca and the liverwort Ricciocarpos natans. Further diversity is provided by the recolonised spoil heaps of a long abandoned mine, which support neutral and a…

Cotswold Water Park

…ies and is typified by Canadian waterweed Elodea canadensis and common duckweed Lemna minor. The lakes were selected to include examples of both variants with the richest aquatic flora in terms of submerged, floating and emergent plants. The occurrence of scarce or unusual speci…

Railway Stell West

…weed Elodea canadensis, curled pondweed Potamogeton crispus and common duckweed Lemna minor are also present in these sections. Of particular note is the local abundance of water violet Hottonia palustris which reaches its northerly limit in Britain at this site. On the margins o…

Maer Pool

…erged or floating plants. Canadian waterweed Elodea canadensis, common 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 b…

Brookheys Covert

…ed Elodea canadensis, broad leaved pondweed Potamogeton natans, common duckweed Lemna minor, ivy leaved crowfoot Ranunculus hederaceus and water violet Hottonia palustris, a plant with a local distribution in the county, are common within the open water habitat.

Hetton Bogs

… erectum, with water crowfoot Ranunculus aquatilis and floating lesser duckweed Lemna minor. Hetton Houses Wood is dominated by birch Betula pubescens with a ground flora of bluebell Hyacinthoides non-scripta, red campion Silene dioica and wood sanicle Sanicula europaea. Much gue…

Rhos Goch (Rhos Goch Common)

…tain bog pondweed Potamogeton polygonifolius and lesser bladderwort Utricularia minor. A second type of bog pool is common nearer to the edges of the raised mire; here Sphagnum recurvum, Sphagnum cuspidatum and S. subnitens comprise the bog-moss carpet, along with frequent cotton…

Dee Cliffs

…quatic vegetation includes curled pondweed Potamogeton crispus, common duckweed Lemna minor, alternate water milfoil Myriophyllum alterniflorum and floating sweet grass Glyceria fluitans. Emergent vegetation includes bulrush Typha latifolia, which is locally dominant forming a sw…

Gungrog Flash

…oes contain such species as water-starworts Callitriche agg and common duckweed Lemna minor. It also supports a range of insects, including several odonata species such as the banded agrion Calopteryx splendens, large red damselfly Pyrrhosoma nymphula and azure damselfly Coenagri…

Pockerley Farm Pond

…mogeton natans, with fennel pondweed Potamogeton pectinatus and lesser duckweed Lemna minor. The fringe of emergent vegetation includes locally dense stands of branched bur reed Sparganium erectum, great willow herb Epilobium hirsutum and common spike rush Eleocharis palustris, b…

Winster Wetlands

…water tracks contain species such as the insectivorous bladderwort, Utricularia minor, marsh cinquefoil Comarum palustre, bogbean Menyanthes trifoliata and the spike rushes Eleocharis multicaulis and Eliocharis quinqueflora. The Sphagnum lawn is dominated by S. papillosum, cross …

Delph Bridge Drain

…num 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 glomerata, hairy willowherb Epilobium hirsutum and a variety of coarse and ruderal species…

Caldarvan Loch

…eds of submerged vegetation. Yellow water-lily Nuphar lutea and common duckweed Lemna minor are locally abundant macrophytes and their presence is indicative of eutrophic water. The nationally-scarce eight-stamened waterwort Elatine hydropiper is abundant here. An additional inte…

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