be, arr. leuven, populus canadensis, symphytum officinale, urtica dioica, phragmites australis, cirsium arvense, calystegia sepium, glechoma hederacea, galium aparine, heracleum sphondylium, phalaris arundinacea, poa trivialis, ranunculus repens, angelica sylvestris, filipendula ulmaria, arrhenatherum elatius, holcus lanatus, galeopsis tetrahit, iris pseudacorus, alopecurus pratensis, solanum dulcamara, lycopus europaeus, alnus glutinosa, lythrum salicaria, sambucus nigra, quercus robur, epilobium hirsutum, anthriscus sylvestris, crataegus monogyna, cirsium palustre, eupatorium cannabinum, juncus effusus, fraxinus excelsior, carex acuta, agrostis stolonifera, humulus lupulus, rumex obtusifolius, dactylis glomerata, lysimachia vulgaris, rubus caesius, persicaria amphibia, cardamine pratensis, glyceria maxima, elymus repens, carex riparia, equisetum arvense, ranunculus acris, rumex acetosa, valeriana officinalis, persicaria hydropiper, lolium perenne