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