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