be, arr. leuven, urtica dioica, fraxinus excelsior, quercus robur, acer pseudoplatanus, sambucus nigra, alnus glutinosa, glechoma hederacea, corylus avellana, populus canadensis, filipendula ulmaria, galium aparine, circaea lutetiana, athyrium filix-femina, angelica sylvestris, geum urbanum, solanum dulcamara, ranunculus repens, ficaria verna, silene dioica, poa trivialis, hedera helix, alnus incana, humulus lupulus, juncus effusus, lycopus europaeus, heracleum sphondylium, dryopteris carthusiana, galeopsis tetrahit, sorbus aucuparia, phalaris arundinacea, quercus rubra, lonicera periclymenum, ribes rubrum, crataegus monogyna, anemone nemorosa, lysimachia vulgaris, iris pseudacorus, cardamine pratensis, lamium galeobdolon, viburnum opulus, stachys sylvatica, adoxa moschatellina, arum maculatum, symphytum officinale, primula elatior, persicaria hydropiper, polygonatum multiflorum, prunus serotina, dryopteris dilatata, eupatorium cannabinum