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