nl, oost-zuid-holland, ranunculus repens, poa trivialis, lolium perenne, agrostis stolonifera, holcus lanatus, trifolium repens, rumex acetosa, elymus repens, ranunculus acris, dactylis glomerata, poa annua, glechoma hederacea, cerastium holosteoides, plantago lanceolata, plantago major, bellis perennis, urtica dioica, stellaria media, cardamine pratensis, polygonum aviculare, cirsium arvense, persicaria amphibia, festuca rubra, poa pratensis, phragmites australis, phalaris arundinacea, glyceria fluitans, trifolium pratense, phleum pratense, rumex obtusifolius, achillea millefolium, bromus hordeaceus, scorzoneroides autumnalis, agrostis capillaris, heracleum sphondylium, alopecurus pratensis, anthoxanthum odoratum, anthriscus sylvestris, alopecurus geniculatus, argentina anserina, capsella bursa-pastoris, glyceria maxima, lamium album, epilobium hirsutum, lemna gibba, symphytum officinale, equisetum arvense, arrhenatherum elatius, lemna trisulca, ceratophyllum demersum