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