be, arr. tongeren, corylus avellana, fraxinus excelsior, quercus robur, acer pseudoplatanus, lonicera periclymenum, hedera helix, arum maculatum, polygonatum multiflorum, prunus avium, sambucus nigra, carpinus betulus, primula elatior, anemone nemorosa, geum urbanum, fagus sylvatica, adoxa moschatellina, sorbus aucuparia, lamium galeobdolon, crataegus monogyna, circaea lutetiana, betula pendula, betula pubescens, hyacinthoides non-scripta, ficaria verna, athyrium filix-femina, dryopteris filix-mas, carex sylvatica, urtica dioica, glechoma hederacea, cornus sanguinea, castanea sativa, galium aparine, mercurialis perennis, viburnum opulus, dryopteris carthusiana, ulmus minor, paris quadrifolia, ribes rubrum, alnus glutinosa, silene dioica, geranium robertianum, heracleum sphondylium, ajuga reptans, viola riviniana, dryopteris dilatata, angelica sylvestris, milium effusum, moehringia trinervia, poa trivialis, stachys sylvatica