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