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