be, arr. leuven, quercus robur, prunus serotina, quercus rubra, betula pendula, sorbus aucuparia, agrostis capillaris, lonicera periclymenum, holcus lanatus, urtica dioica, frangula alnus, sambucus nigra, holcus mollis, galeopsis tetrahit, pinus sylvestris, populus canadensis, corylus avellana, acer pseudoplatanus, ranunculus repens, dryopteris carthusiana, juncus effusus, glechoma hederacea, castanea sativa, dryopteris dilatata, arrhenatherum elatius, molinia caerulea, galium aparine, poa trivialis, cirsium arvense, avenella flexuosa, deschampsia flexuosa, alnus glutinosa, betula pubescens, teucrium scorodonia, polygonatum multiflorum, fraxinus excelsior, hypericum perforatum, rumex angiocarpus, rumex acetosa, amelanchier lamarckii, heracleum sphondylium, robinia pseudoacacia, salix caprea, crataegus monogyna, prunus avium, anthoxanthum odoratum, moehringia trinervia, stellaria graminea, geum urbanum, achillea millefolium, dactylis glomerata