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