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