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