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