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