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