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