nl, groot-rijnmond, agrostis stolonifera, ranunculus repens, poa trivialis, trifolium repens, lolium perenne, elymus repens, phragmites australis, cirsium arvense, poa annua, cerastium holosteoides, stellaria media, alopecurus geniculatus, holcus lanatus, plantago major, ranunculus acris, dactylis glomerata, hordeum secalinum, argentina anserina, bellis perennis, bolboschoenus maritimus, poa pratensis, persicaria amphibia, phleum pratense, polygonum aviculare, rumex crispus, stuckenia pectinata, bromus hordeaceus, rumex acetosa, trifolium pratense, glyceria fluitans, scorzoneroides autumnalis, carex hirta, urtica dioica, elodea nuttallii, festuca rubra, capsella bursa-pastoris, ranunculus sceleratus, ranunculus sardous, ceratophyllum demersum, glechoma hederacea, plantago lanceolata, lemna trisulca, eleocharis palustris, glyceria maxima, potamogeton pusillus, zannichellia palustris, alopecurus pratensis, phalaris arundinacea, spirodela polyrhiza, matricaria chamomilla