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