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