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