nl, delft en westland, ranunculus repens, poa trivialis, agrostis stolonifera, lolium perenne, trifolium repens, glechoma hederacea, elymus repens, ranunculus acris, bellis perennis, dactylis glomerata, holcus lanatus, poa annua, plantago major, alopecurus pratensis, stellaria media, urtica dioica, glyceria fluitans, persicaria amphibia, cardamine pratensis, rumex acetosa, phalaris arundinacea, rumex obtusifolius, cerastium holosteoides, glyceria maxima, phleum pratense, cirsium arvense, heracleum sphondylium, alopecurus geniculatus, capsella bursa-pastoris, polygonum aviculare, fritillaria meleagris, lamium album, anthriscus sylvestris, poa pratensis, trifolium pratense, spirodela polyrhiza, butomus umbellatus, plantago lanceolata, festuca rubra, lemna trisulca, rubus phoenicolasius, scorzoneroides autumnalis, phragmites australis, geranium phaeum, achillea millefolium, elodea nuttallii, ceratophyllum demersum, symphytum officinale, argentina anserina, lysimachia nummularia