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