be, arr. sint-niklaas, angelica archangelica, epilobium hirsutum, phragmites australis, urtica dioica, calystegia sepium, cirsium arvense, lycopus europaeus, bidens frondosa, erigeron canadensis, solanum dulcamara, melilotus albus, poa trivialis, cotula coronopifolia, phalaris arundinacea, reynoutria japonica, galium aparine, impatiens glandulifera, epilobium ciliatum, solidago gigantea, symphytum officinale, eupatorium cannabinum, lythrum salicaria, atriplex prostrata, lolium multiflorum, agrostis stolonifera, elodea nuttallii, persicaria hydropiper, crassula helmsii, salix viminalis, rumex obtusifolius, ranunculus repens, lepidium didymum, matricaria discoidea, azolla filiculoides, stachys palustris, populus nigra, geranium purpureum, salix alba, bolboschoenus maritimus, anthriscus sylvestris, sambucus nigra, heracleum sphondylium, iris pseudacorus, ranunculus sceleratus, populus balsamifera, echinochloa crus-galli, erigeron sumatrensis, typha latifolia, rorippa palustris, plantago major