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