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