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