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