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