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