be, arr. tongeren, quercus robur, lonicera periclymenum, sorbus aucuparia, corylus avellana, betula pubescens, betula pendula, frangula alnus, hedera helix, fagus sylvatica, acer pseudoplatanus, fraxinus excelsior, dryopteris dilatata, sambucus nigra, dryopteris carthusiana, quercus rubra, castanea sativa, polygonatum multiflorum, prunus serotina, crataegus monogyna, deschampsia flexuosa, pteridium aquilinum, ilex aquifolium, prunus avium, avenella flexuosa, urtica dioica, holcus mollis, alnus glutinosa, teucrium scorodonia, molinia caerulea, glechoma hederacea, vaccinium myrtillus, anemone nemorosa, athyrium filix-femina, pinus sylvestris, moehringia trinervia, geum urbanum, holcus lanatus, carpinus betulus, poa trivialis, galium aparine, agrostis capillaris, galeopsis tetrahit, populus tremula, viburnum opulus, ribes rubrum, dryopteris filix-mas, silene dioica, juncus effusus, oxalis acetosella, circaea lutetiana