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