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