be, arr. tongeren, corylus avellana, fraxinus excelsior, quercus robur, hedera helix, acer pseudoplatanus, lonicera periclymenum, hyacinthoides non-scripta, fagus sylvatica, castanea sativa, polygonatum multiflorum, arum maculatum, sambucus nigra, anemone nemorosa, carpinus betulus, lamium galeobdolon, sorbus aucuparia, ilex aquifolium, circaea lutetiana, prunus avium, athyrium filix-femina, geum urbanum, crataegus monogyna, ficaria verna, adoxa moschatellina, alnus glutinosa, urtica dioica, dryopteris filix-mas, dryopteris dilatata, glechoma hederacea, primula elatior, pteridium aquilinum, dryopteris carthusiana, betula pendula, carex sylvatica, betula pubescens, silene dioica, galium aparine, oxalis acetosella, quercus rubra, holcus mollis, ajuga reptans, milium effusum, geranium robertianum, viburnum opulus, ribes rubrum, carex remota, mercurialis perennis, teucrium scorodonia, stachys sylvatica, deschampsia cespitosa