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