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