nl, groot-rijnmond, ranunculus repens, lolium perenne, agrostis stolonifera, poa trivialis, trifolium repens, elymus repens, poa annua, stellaria media, dactylis glomerata, cirsium arvense, ranunculus acris, poa pratensis, alopecurus geniculatus, plantago major, holcus lanatus, cerastium holosteoides, polygonum aviculare, phleum pratense, capsella bursa-pastoris, bellis perennis, argentina anserina, persicaria amphibia, rumex acetosa, glechoma hederacea, urtica dioica, rumex crispus, bromus hordeaceus, alopecurus pratensis, glyceria fluitans, achillea millefolium, phragmites australis, scorzoneroides autumnalis, phalaris arundinacea, festuca rubra, trifolium pratense, plantago lanceolata, glyceria maxima, rumex obtusifolius, ranunculus sceleratus, matricaria chamomilla, cardamine pratensis, carex hirta, matricaria discoidea, arrhenatherum elatius, anthriscus sylvestris, elodea nuttallii, bolboschoenus maritimus, hordeum secalinum, lemna trisulca, agrostis capillaris