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