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