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