be, arr. dendermonde, urtica dioica, galium aparine, phragmites australis, symphytum officinale, heracleum sphondylium, poa trivialis, cirsium arvense, glechoma hederacea, calystegia sepium, sambucus nigra, epilobium hirsutum, ranunculus repens, anthriscus sylvestris, crataegus monogyna, populus canadensis, solanum dulcamara, eupatorium cannabinum, rubus caesius, holcus lanatus, angelica archangelica, angelica sylvestris, phalaris arundinacea, arrhenatherum elatius, agrostis stolonifera, fraxinus excelsior, dactylis glomerata, lycopus europaeus, galeopsis tetrahit, lythrum salicaria, rumex obtusifolius, impatiens glandulifera, stellaria media, silene dioica, filipendula ulmaria, alnus glutinosa, cardamine pratensis, valeriana officinalis, iris pseudacorus, lolium perenne, humulus lupulus, salix viminalis, equisetum arvense, solidago gigantea, cirsium vulgare, rumex conglomeratus, salix alba, elymus repens, quercus robur, galanthus nivalis, ficaria verna