be, arr. leuven, bidens frondosa, urtica dioica, symphytum officinale, angelica archangelica, phragmites australis, phalaris arundinacea, cirsium arvense, calystegia sepium, ranunculus repens, lythrum salicaria, poa trivialis, lycopus europaeus, stachys palustris, impatiens glandulifera, epilobium hirsutum, iris pseudacorus, heracleum sphondylium, arrhenatherum elatius, persicaria amphibia, galium aparine, lolium multiflorum, persicaria hydropiper, agrostis stolonifera, solanum dulcamara, glechoma hederacea, glyceria maxima, lysimachia vulgaris, thalictrum flavum, ludwigia grandiflora, rumex obtusifolius, holcus lanatus, crassula helmsii, filipendula ulmaria, alopecurus pratensis, tanacetum vulgare, solidago gigantea, eupatorium cannabinum, rumex crispus, elymus repens, populus canadensis, rorippa amphibia, echinochloa crus-galli, juncus effusus, barbarea stricta, rumex hydrolapathum, cardamine pratensis, carex acuta, brassica rapa, galium palustre, lolium perenne