nl, oost-zuid-holland, lolium perenne, ranunculus repens, poa trivialis, agrostis stolonifera, trifolium repens, elymus repens, holcus lanatus, stellaria media, dactylis glomerata, poa annua, cerastium holosteoides, cirsium arvense, alopecurus geniculatus, ranunculus acris, rumex acetosa, phleum pratense, bellis perennis, poa pratensis, alopecurus pratensis, plantago major, persicaria amphibia, bromus hordeaceus, polygonum aviculare, rumex obtusifolius, glechoma hederacea, urtica dioica, glyceria fluitans, phalaris arundinacea, cardamine pratensis, capsella bursa-pastoris, festuca rubra, rumex crispus, argentina anserina, plantago lanceolata, trifolium pratense, scorzoneroides autumnalis, carex hirta, lolium pratense, agrostis capillaris, phragmites australis, anthoxanthum odoratum, achillea millefolium, anthriscus sylvestris, glyceria maxima, arrhenatherum elatius, cynosurus cristatus, ranunculus sceleratus, heracleum sphondylium, persicaria hydropiper, juncus articulatus