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