be, arr. dendermonde, bidens frondosa, angelica archangelica, crassula helmsii, epilobium ciliatum, reynoutria japonica, erigeron canadensis, populus balsamifera, impatiens glandulifera, urtica dioica, melilotus albus, phragmites australis, lolium multiflorum, calystegia sepium, solidago gigantea, lepidium didymum, echinochloa crus-galli, cotula coronopifolia, epilobium hirsutum, lycopus europaeus, solanum dulcamara, geranium purpureum, alnus incana, populus nigra, lythrum salicaria, cornus sericea, erigeron sumatrensis, barbarea stricta, ludwigia grandiflora, lindernia dubia, cyperus eragrostis, salix viminalis, oenothera deflexa, elodea nuttallii, persicaria hydropiper, salix mollissima, azolla filiculoides, cirsium arvense, phalaris arundinacea, eupatorium cannabinum, atriplex prostrata, symphytum officinale, lepidium virginicum, prunus serotina, sambucus nigra, galinsoga quadriradiata, lysimachia vulgaris, matricaria discoidea, galanthus nivalis, iris pseudacorus, humulus lupulus