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