be, arr. tongeren, quercus robur, lonicera periclymenum, sorbus aucuparia, betula pubescens, frangula alnus, betula pendula, corylus avellana, castanea sativa, dryopteris carthusiana, quercus rubra, prunus serotina, hedera helix, fagus sylvatica, dryopteris dilatata, ilex aquifolium, pteridium aquilinum, molinia caerulea, polygonatum multiflorum, avenella flexuosa, deschampsia flexuosa, pinus sylvestris, acer pseudoplatanus, fraxinus excelsior, vaccinium myrtillus, carpinus betulus, hyacinthoides non-scripta, teucrium scorodonia, holcus mollis, crataegus monogyna, alnus glutinosa, anemone nemorosa, prunus avium, athyrium filix-femina, sambucus nigra, populus tremula, carex pilulifera, urtica dioica, convallaria majalis, luzula pilosa, juncus effusus, moehringia trinervia, lamium galeobdolon, galeopsis tetrahit, maianthemum bifolium, glechoma hederacea, geum urbanum, dryopteris filix-mas, amelanchier lamarckii, viburnum opulus, oxalis acetosella