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