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