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