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