nl, zuidwest-friesland, poa trivialis, phalaris arundinacea, agrostis stolonifera, ranunculus repens, glyceria maxima, persicaria amphibia, phragmites australis, trifolium repens, alopecurus geniculatus, cardamine pratensis, lolium perenne, elymus repens, glyceria fluitans, rumex acetosa, carex acuta, galium palustre, holcus lanatus, lemna minor, myosotis scorpioides, cerastium holosteoides, alopecurus pratensis, cirsium arvense, ranunculus acris, iris pseudacorus, silene flos-cuculi, rorippa amphibia, carex riparia, bellis perennis, acorus calamus, argentina anserina, persicaria hydropiper, stachys palustris, lythrum salicaria, spirodela polyrhiza, eleocharis palustris, poa annua, anthoxanthum odoratum, urtica dioica, lolium pratense, ranunculus sceleratus, carex disticha, caltha palustris, plantago major, scorzoneroides autumnalis, juncus effusus, glechoma hederacea, plantago lanceolata, ranunculus flammula, symphytum officinale, lycopus europaeus