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