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