nl, zuidwest-friesland, phragmites australis, poa trivialis, agrostis stolonifera, calystegia sepium, epilobium hirsutum, phalaris arundinacea, lycopus europaeus, ranunculus repens, urtica dioica, carex riparia, glyceria maxima, eupatorium cannabinum, cirsium arvense, stachys palustris, iris pseudacorus, lemna minor, rumex hydrolapathum, cardamine pratensis, solanum dulcamara, holcus lanatus, persicaria amphibia, typha angustifolia, galium palustre, symphytum officinale, trifolium repens, lythrum salicaria, valeriana officinalis, lolium perenne, elymus repens, cerastium holosteoides, myosotis scorpioides, rumex acetosa, galium aparine, glyceria fluitans, caltha palustris, bolboschoenus maritimus, juncus effusus, persicaria hydropiper, angelica sylvestris, lemna trisulca, alopecurus geniculatus, spirodela polyrhiza, sparganium erectum, stuckenia pectinata, glechoma hederacea, calamagrostis canescens, elodea nuttallii, lysimachia vulgaris, cirsium palustre, stellaria media