be, arr. maaseik, quercus rubra, prunus serotina, pinus sylvestris, pinus nigra, quercus robur, sorbus aucuparia, castanea sativa, betula pendula, amelanchier lamarckii, avenella flexuosa, vaccinium myrtillus, dryopteris dilatata, deschampsia flexuosa, frangula alnus, molinia caerulea, pseudotsuga menziesii, dryopteris carthusiana, rhododendron ponticum, calluna vulgaris, fagus sylvatica, juncus tenuis, ceratocapnos claviculata, lonicera periclymenum, pinus strobus, ilex aquifolium, carex pilulifera, larix kaempferi, potentilla indica, agrostis capillaris, robinia pseudoacacia, erigeron canadensis, geum macrophyllum, silene coronaria, galinsoga quadriradiata, larix decidua, picea abies, claytonia sibirica, rumex acetosella, rumex angiocarpus, betula pubescens, bidens frondosa, teucrium scorodonia, pteridium aquilinum, pilosella aurantiaca, juncus effusus, oxalis stricta, impatiens parviflora, acer pseudoplatanus, digitalis purpurea, galeopsis tetrahit