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