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|
|
Alien Species |
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Agrostis stolonifera
|
Creeping Bent
|
Frequent
|
|
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Alopecurus geniculatus
|
Marsh Foxtail
|
Present
|
|
|
Apium inundatum
|
Lesser Marshwort
|
Rare
|
|
|
Callitriche hamulata sens.lat.
|
Intermediate Water-starwort
|
Rare
|
|
|
Callitriche hermaphroditica
|
Autumnal Water-starwort
|
Occasional
|
|
|
Callitriche stagnalis sens.lat.
|
Common Water-starwort
|
Occasional
|
|
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Caltha palustris
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Marsh-marigold
|
Rare
|
|
|
Carex aquatilis
|
Water Sedge
|
Frequent
|
|
|
Carex disticha
|
Brown Sedge
|
Occasional
|
|
|
Carex hirta
|
Hairy Sedge
|
Present
|
|
|
Chara aspera var.aspera
|
|
Frequent
|
|
|
Chara globularis var.virgata
|
|
Frequent
|
|
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Chara vulgaris var.contraria
|
|
Abundant
|
|
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Deschampsia cespitosa
|
|
Present
|
|
|
Eleocharis acicularis (terrestrial)
|
Needle Spike-rush
|
Frequent
|
|
|
Eleocharis palustris
|
Common Spike-rush
|
Frequent
|
|
|
Elodea canadensis
|
Canadian Waterweed
|
Frequent
|
Yes
|
|
Equisetum fluviatile
|
Water Horsetail
|
Frequent
|
|
|
Filipendula ulmaria
|
Meadowsweet
|
Present
|
|
|
Gnaphalium uliginosum
|
Marsh Cudweed
|
Present
|
|
|
Iris pseudacorus
|
Yellow Iris
|
Rare
|
|
|
Juncus acutiflorus
|
Sharp-flowered Rush
|
Occasional
|
|
|
Juncus articulatus
|
Jointed Rush
|
Occasional
|
|
|
Juncus effusus
|
Soft-rush
|
Occasional
|
|
|
Littorella uniflora (aquatic form)
|
Shoreweed
|
Occasional
|
|
|
Lythrum portula (terrestrial)
|
Water-purslane
|
Occasional
|
|
|
Mimulus agg.
|
|
Rare
|
|
|
Myosotis scorpioides
|
Water Forget-me-not
|
Occasional
|
|
|
Nitella flexilis var.flexilis agg.
|
|
Occasional
|
|
|
Persicaria amphibia (aquatic)
|
Amphibious Bistort
|
Frequent
|
|
|
Persicaria amphibia (terrestrial)
|
Amphibious Bistort
|
Occasional
|
|
|
Phalaris arundinacea
|
Reed Canary-grass
|
Abundant
|
|
|
Phragmites australis
|
Common Reed
|
Abundant
|
|
|
Potamogeton pectinatus
|
Fennel Pondweed
|
Frequent
|
|
|
Potamogeton perfoliatus
|
Perfoliate Pondweed
|
Occasional
|
|
|
Potamogeton pusillus
|
Lesser Pondweed
|
Occasional
|
|
|
Ranunculus flammula
|
Lesser Spearwort
|
Occasional
|
|
|
Senecio aquaticus
|
Marsh Ragwort
|
Occasional
|
|
|
Sparganium erectum
|
Branched Bur-reed
|
Rare
|
|
|
Stachys palustris
|
Marsh Woundwort
|
Present
|
|
|
Tolypella nidifica var.glomerata
|
Bird's-nest Stonewort
|
Present
|
|
|
Urtica dioica
|
Common Nettle
|
Present
|
|
|
Zannichellia palustris
|
Horned Pondweed
|
Frequent
|
|