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