be, arr. dendermonde, urtica dioica, angelica archangelica, phragmites australis, symphytum officinale, calystegia sepium, epilobium hirsutum, cirsium arvense, lycopus europaeus, lythrum salicaria, phalaris arundinacea, galium aparine, poa trivialis, heracleum sphondylium, impatiens glandulifera, eupatorium cannabinum, solanum dulcamara, ranunculus repens, iris pseudacorus, populus canadensis, bidens frondosa, filipendula ulmaria, glechoma hederacea, angelica sylvestris, solidago gigantea, rumex obtusifolius, epilobium ciliatum, persicaria hydropiper, arrhenatherum elatius, sambucus nigra, thalictrum flavum, galeopsis tetrahit, salix viminalis, stachys palustris, lysimachia vulgaris, salix alba, agrostis stolonifera, anthriscus sylvestris, holcus lanatus, persicaria amphibia, caltha palustris, glyceria maxima, humulus lupulus, melilotus albus, cardamine pratensis, rubus caesius, rumex conglomeratus, myosotis scorpioides, salix mollissima, valeriana excelsa, alopecurus pratensis