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