be, arr. mechelen, quercus robur, quercus rubra, prunus serotina, sorbus aucuparia, castanea sativa, lonicera periclymenum, corylus avellana, frangula alnus, betula pendula, acer pseudoplatanus, sambucus nigra, alnus glutinosa, hedera helix, fagus sylvatica, dryopteris dilatata, fraxinus excelsior, pinus sylvestris, urtica dioica, dryopteris carthusiana, amelanchier lamarckii, juncus effusus, polygonatum multiflorum, athyrium filix-femina, betula pubescens, molinia caerulea, populus canadensis, pteridium aquilinum, ilex aquifolium, lamium galeobdolon, robinia pseudoacacia, rhododendron ponticum, vaccinium myrtillus, prunus avium, holcus lanatus, avenella flexuosa, teucrium scorodonia, holcus mollis, galeopsis tetrahit, deschampsia flexuosa, glechoma hederacea, alnus incana, ranunculus repens, potentilla indica, lysimachia vulgaris, anemone nemorosa, agrostis capillaris, galium aparine, poa trivialis, viburnum opulus, crataegus monogyna