be, arr. aalst, acer pseudoplatanus, quercus robur, corylus avellana, lonicera periclymenum, castanea sativa, fraxinus excelsior, hedera helix, polygonatum multiflorum, sambucus nigra, fagus sylvatica, sorbus aucuparia, anemone nemorosa, quercus rubra, athyrium filix-femina, prunus avium, carpinus betulus, lamium galeobdolon, betula pendula, arum maculatum, prunus serotina, dryopteris dilatata, adoxa moschatellina, dryopteris carthusiana, primula elatior, pteridium aquilinum, hyacinthoides non-scripta, ficaria verna, convallaria majalis, urtica dioica, luzula pilosa, circaea lutetiana, geum urbanum, glechoma hederacea, crataegus monogyna, dryopteris filix-mas, frangula alnus, alnus glutinosa, teucrium scorodonia, populus canadensis, betula pubescens, carex sylvatica, viburnum opulus, ilex aquifolium, milium effusum, vaccinium myrtillus, moehringia trinervia, maianthemum bifolium, ribes rubrum, holcus mollis, oxalis acetosella