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