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