be, arr. leuven, quercus rubra, prunus serotina, quercus robur, castanea sativa, pinus sylvestris, sorbus aucuparia, dryopteris dilatata, betula pendula, dryopteris carthusiana, vaccinium myrtillus, molinia caerulea, frangula alnus, fagus sylvatica, lonicera periclymenum, avenella flexuosa, pinus nigra, deschampsia flexuosa, carex pilulifera, pteridium aquilinum, pseudotsuga menziesii, acer pseudoplatanus, betula pubescens, calluna vulgaris, ilex aquifolium, larix kaempferi, teucrium scorodonia, juncus effusus, amelanchier lamarckii, athyrium filix-femina, corylus avellana, picea abies, rhododendron ponticum, agrostis capillaris, convallaria majalis, luzula pilosa, larix decidua, sambucus nigra, holcus mollis, hedera helix, quercus petraea, maianthemum bifolium, robinia pseudoacacia, pinus strobus, salix caprea, alnus glutinosa, galeopsis tetrahit, urtica dioica, juncus conglomeratus, moehringia trinervia, polygonatum multiflorum