be, arr. leuven, urtica dioica, filipendula ulmaria, populus canadensis, alnus glutinosa, symphytum officinale, quercus robur, angelica sylvestris, ranunculus repens, poa trivialis, galium aparine, juncus effusus, phragmites australis, lysimachia vulgaris, glechoma hederacea, holcus lanatus, cirsium palustre, iris pseudacorus, cardamine pratensis, lythrum salicaria, fraxinus excelsior, humulus lupulus, heracleum sphondylium, phalaris arundinacea, lycopus europaeus, solanum dulcamara, galeopsis tetrahit, sambucus nigra, calystegia sepium, galium palustre, carex acutiformis, cirsium arvense, eupatorium cannabinum, caltha palustris, carex acuta, equisetum palustre, alopecurus pratensis, prunus serotina, crataegus monogyna, sorbus aucuparia, arrhenatherum elatius, viburnum opulus, calamagrostis canescens, ficaria verna, agrostis stolonifera, dryopteris carthusiana, athyrium filix-femina, ribes rubrum, corylus avellana, frangula alnus, persicaria hydropiper