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