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