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