be, arr. leuven, populus canadensis, quercus robur, heracleum sphondylium, urtica dioica, angelica sylvestris, filipendula ulmaria, glechoma hederacea, ranunculus repens, arrhenatherum elatius, symphytum officinale, galium aparine, alnus glutinosa, poa trivialis, holcus lanatus, alopecurus pratensis, cirsium arvense, fraxinus excelsior, sambucus nigra, galeopsis tetrahit, crataegus monogyna, phalaris arundinacea, calystegia sepium, corylus avellana, juncus effusus, cirsium palustre, ficaria verna, ribes rubrum, humulus lupulus, prunus serotina, ranunculus acris, cardamine pratensis, rumex acetosa, phragmites australis, agrostis capillaris, geum urbanum, lythrum salicaria, stellaria graminea, acer pseudoplatanus, iris pseudacorus, lysimachia vulgaris, carex acuta, quercus rubra, viburnum opulus, dactylis glomerata, sorbus aucuparia, betula pendula, silene dioica, rumex obtusifolius, alnus incana, lonicera periclymenum