be, arr. leuven, quercus robur, populus canadensis, alnus glutinosa, sorbus aucuparia, lonicera periclymenum, urtica dioica, prunus serotina, juncus effusus, betula pendula, sambucus nigra, angelica sylvestris, corylus avellana, filipendula ulmaria, fraxinus excelsior, galeopsis tetrahit, frangula alnus, glechoma hederacea, cirsium palustre, ranunculus repens, crataegus monogyna, holcus lanatus, dryopteris carthusiana, quercus rubra, ribes rubrum, athyrium filix-femina, galium aparine, lysimachia vulgaris, heracleum sphondylium, acer pseudoplatanus, poa trivialis, viburnum opulus, agrostis capillaris, humulus lupulus, symphytum officinale, moehringia trinervia, betula pubescens, cardamine pratensis, cirsium arvense, iris pseudacorus, phragmites australis, geum urbanum, anemone nemorosa, polygonatum multiflorum, lythrum salicaria, molinia caerulea, arrhenatherum elatius, solanum dulcamara, lycopus europaeus, phalaris arundinacea, holcus mollis