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