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