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