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