be, arr. leuven, quercus robur, sorbus aucuparia, quercus rubra, prunus serotina, lonicera periclymenum, frangula alnus, betula pendula, alnus glutinosa, corylus avellana, urtica dioica, populus canadensis, sambucus nigra, holcus lanatus, juncus effusus, ranunculus repens, galeopsis tetrahit, dryopteris dilatata, dryopteris carthusiana, glechoma hederacea, angelica sylvestris, fraxinus excelsior, betula pubescens, galium aparine, agrostis capillaris, pinus sylvestris, holcus mollis, poa trivialis, athyrium filix-femina, heracleum sphondylium, acer pseudoplatanus, polygonatum multiflorum, filipendula ulmaria, molinia caerulea, castanea sativa, humulus lupulus, crataegus monogyna, lysimachia vulgaris, cirsium palustre, ribes rubrum, amelanchier lamarckii, hedera helix, viburnum opulus, cardamine pratensis, prunus padus, moehringia trinervia, prunus avium, geum urbanum, avenella flexuosa, teucrium scorodonia, arrhenatherum elatius