nl, oost-zuid-holland, urtica dioica, dactylis glomerata, poa trivialis, elymus repens, lolium perenne, ranunculus repens, phragmites australis, holcus lanatus, cirsium arvense, anthriscus sylvestris, phalaris arundinacea, agrostis stolonifera, glechoma hederacea, arrhenatherum elatius, rumex acetosa, heracleum sphondylium, plantago lanceolata, epilobium hirsutum, festuca rubra, trifolium repens, persicaria amphibia, calystegia sepium, ranunculus acris, galium aparine, cerastium holosteoides, symphytum officinale, rumex obtusifolius, alopecurus pratensis, lamium album, valeriana officinalis, poa pratensis, achillea millefolium, trifolium pratense, glyceria maxima, equisetum arvense, plantago major, stellaria media, stachys palustris, bellis perennis, phleum pratense, poa annua, rumex crispus, iris pseudacorus, polygonum aviculare, argentina anserina, cardamine pratensis, bromus hordeaceus, vicia cracca, angelica sylvestris, eupatorium cannabinum