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