be, arr. leuven, quercus robur, prunus serotina, quercus rubra, sorbus aucuparia, betula pendula, castanea sativa, lonicera periclymenum, pinus sylvestris, acer pseudoplatanus, teucrium scorodonia, frangula alnus, dryopteris carthusiana, corylus avellana, dryopteris dilatata, fagus sylvatica, molinia caerulea, vaccinium myrtillus, pteridium aquilinum, agrostis capillaris, sambucus nigra, avenella flexuosa, carex pilulifera, deschampsia flexuosa, betula pubescens, convallaria majalis, holcus mollis, urtica dioica, salix caprea, pinus nigra, hedera helix, athyrium filix-femina, calluna vulgaris, holcus lanatus, glechoma hederacea, juncus effusus, moehringia trinervia, fraxinus excelsior, polygonatum multiflorum, carpinus betulus, galeopsis tetrahit, anemone nemorosa, luzula pilosa, populus tremula, ilex aquifolium, robinia pseudoacacia, prunus avium, crataegus monogyna, dryopteris filix-mas, viola riviniana, scrophularia nodosa