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