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