gb, south west wales, agrostis stolonifera, hydrocotyle vulgaris, phragmites australis, eleocharis palustris, festuca rubra, lemna minor, persicaria amphibia, lythrum salicaria, phalaris arundinacea, trifolium repens, argentina anserina, bolboschoenus maritimus, alisma plantago-aquatica, juncus articulatus, plantago lanceolata, agrostis capillaris, solanum dulcamara, ranunculus repens, rumex crispus, lycopus europaeus, holcus lanatus, galium palustre, juncus bufonius, cirsium arvense, ranunculus flammula, potamogeton natans, ranunculus sceleratus, gnaphalium uliginosum, sparganium erectum, elymus repens, atriplex prostrata, lotus corniculatus, stuckenia pectinata, poa annua, juncus effusus, iris pseudacorus, stachys palustris, urtica dioica, juncus bulbosus, polygonum aviculare, lysimachia maritima, hypochaeris radicata, calystegia sepium, scorzoneroides autumnalis, alopecurus geniculatus, rumex acetosella, persicaria maculosa, lolium perenne, typha latifolia, achillea millefolium