nl, utrecht, agrostis stolonifera, ranunculus repens, lolium perenne, poa trivialis, trifolium repens, holcus lanatus, rumex acetosa, elymus repens, ranunculus acris, alopecurus geniculatus, glyceria fluitans, persicaria amphibia, phalaris arundinacea, cerastium holosteoides, cirsium arvense, stellaria media, dactylis glomerata, phragmites australis, cardamine pratensis, poa annua, glyceria maxima, alopecurus pratensis, urtica dioica, festuca rubra, bellis perennis, poa pratensis, glechoma hederacea, phleum pratense, polygonum aviculare, plantago major, argentina anserina, ranunculus sceleratus, plantago lanceolata, bromus hordeaceus, sparganium erectum, juncus articulatus, ceratophyllum demersum, lemna trisulca, anthoxanthum odoratum, galium palustre, eleocharis palustris, juncus effusus, spirodela polyrhiza, elodea nuttallii, agrostis capillaris, epilobium hirsutum, rumex crispus, capsella bursa-pastoris, butomus umbellatus, trifolium pratense