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