be, arr. leuven, quercus robur, urtica dioica, holcus lanatus, alnus glutinosa, betula pendula, sorbus aucuparia, galium aparine, betula pubescens, phragmites australis, cirsium arvense, eupatorium cannabinum, poa trivialis, dryopteris carthusiana, sambucus nigra, lysimachia vulgaris, agrostis capillaris, frangula alnus, glechoma hederacea, ranunculus repens, juncus effusus, lonicera periclymenum, solanum dulcamara, crataegus monogyna, fraxinus excelsior, cirsium palustre, galeopsis tetrahit, angelica sylvestris, salix cinerea, lycopus europaeus, prunus serotina, arrhenatherum elatius, molinia caerulea, filipendula ulmaria, humulus lupulus, calystegia sepium, lythrum salicaria, dryopteris dilatata, phalaris arundinacea, calamagrostis epigejos, acer pseudoplatanus, populus canadensis, calamagrostis canescens, iris pseudacorus, geum urbanum, symphytum officinale, dactylis glomerata, corylus avellana, heracleum sphondylium, agrostis stolonifera, rumex acetosa