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