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