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