be, arr. tongeren, corylus avellana, quercus robur, lonicera periclymenum, fraxinus excelsior, acer pseudoplatanus, hedera helix, sorbus aucuparia, betula pubescens, polygonatum multiflorum, fagus sylvatica, sambucus nigra, betula pendula, prunus avium, anemone nemorosa, athyrium filix-femina, carpinus betulus, dryopteris carthusiana, crataegus monogyna, primula elatior, arum maculatum, lamium galeobdolon, geum urbanum, circaea lutetiana, frangula alnus, castanea sativa, dryopteris dilatata, dryopteris filix-mas, urtica dioica, alnus glutinosa, adoxa moschatellina, carex sylvatica, glechoma hederacea, viburnum opulus, ficaria verna, hyacinthoides non-scripta, pteridium aquilinum, luzula pilosa, cornus sanguinea, ribes rubrum, ajuga reptans, galium aparine, oxalis acetosella, teucrium scorodonia, moehringia trinervia, deschampsia cespitosa, milium effusum, populus tremula, paris quadrifolia, mercurialis perennis, ulmus minor