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