be, arr. mechelen, quercus rubra, castanea sativa, prunus serotina, quercus robur, sorbus aucuparia, pinus sylvestris, betula pendula, frangula alnus, dryopteris dilatata, amelanchier lamarckii, lonicera periclymenum, rhododendron ponticum, molinia caerulea, vaccinium myrtillus, dryopteris carthusiana, fagus sylvatica, acer pseudoplatanus, pinus nigra, avenella flexuosa, deschampsia flexuosa, corylus avellana, betula pubescens, robinia pseudoacacia, potentilla indica, pteridium aquilinum, calluna vulgaris, carex pilulifera, teucrium scorodonia, larix kaempferi, ilex aquifolium, juncus effusus, athyrium filix-femina, juncus tenuis, pseudotsuga menziesii, sambucus nigra, alnus incana, hedera helix, alnus glutinosa, geum macrophyllum, maianthemum bifolium, silene coronaria, agrostis capillaris, polygonatum multiflorum, larix decidua, lamium galeobdolon, salix caprea, oxalis stricta, picea abies, galinsoga quadriradiata, convallaria majalis