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