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