be, arr. tongeren, quercus robur, lonicera periclymenum, corylus avellana, fraxinus excelsior, hedera helix, polygonatum multiflorum, crataegus monogyna, carpinus betulus, acer pseudoplatanus, arum maculatum, glechoma hederacea, fagus sylvatica, prunus avium, betula pendula, geum urbanum, anemone nemorosa, betula pubescens, sambucus nigra, urtica dioica, sorbus aucuparia, alnus glutinosa, circaea lutetiana, galium aparine, poa trivialis, silene dioica, ficaria verna, cornus sanguinea, hyacinthoides non-scripta, viburnum opulus, dryopteris carthusiana, dryopteris filix-mas, castanea sativa, primula elatior, lamium galeobdolon, athyrium filix-femina, filipendula ulmaria, holcus mollis, populus tremula, ajuga reptans, frangula alnus, ranunculus repens, viola riviniana, angelica sylvestris, ribes rubrum, geranium robertianum, galeopsis tetrahit, adoxa moschatellina, teucrium scorodonia, holcus lanatus, acer campestre