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