be, arr. leuven, quercus robur, populus canadensis, prunus serotina, acer pseudoplatanus, betula pendula, fraxinus excelsior, sorbus aucuparia, sambucus nigra, lonicera periclymenum, quercus rubra, corylus avellana, urtica dioica, glechoma hederacea, alnus glutinosa, crataegus monogyna, holcus lanatus, frangula alnus, ranunculus repens, angelica sylvestris, agrostis capillaris, galeopsis tetrahit, juncus effusus, heracleum sphondylium, poa trivialis, castanea sativa, galium aparine, prunus avium, geum urbanum, cirsium arvense, ribes rubrum, viburnum opulus, arrhenatherum elatius, anemone nemorosa, salix caprea, athyrium filix-femina, moehringia trinervia, dryopteris carthusiana, alnus incana, filipendula ulmaria, polygonatum multiflorum, cirsium palustre, hedera helix, molinia caerulea, betula pubescens, symphytum officinale, dryopteris dilatata, epipactis helleborine, teucrium scorodonia, cardamine pratensis, viola riviniana