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