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