be, arr. oudenaarde, acer pseudoplatanus, corylus avellana, fraxinus excelsior, castanea sativa, sambucus nigra, quercus robur, polygonatum multiflorum, lonicera periclymenum, lamium galeobdolon, hedera helix, anemone nemorosa, primula elatior, arum maculatum, adoxa moschatellina, quercus rubra, hyacinthoides non-scripta, prunus avium, athyrium filix-femina, sorbus aucuparia, fagus sylvatica, ficaria verna, carpinus betulus, populus canadensis, circaea lutetiana, urtica dioica, alnus glutinosa, glechoma hederacea, heracleum sphondylium, ribes rubrum, prunus serotina, dryopteris dilatata, galanthus nivalis, geum urbanum, angelica sylvestris, silene dioica, viburnum opulus, crataegus monogyna, ajuga reptans, cardamine pratensis, dryopteris filix-mas, vinca minor, galium aparine, filipendula ulmaria, dryopteris carthusiana, allium ursinum, ranunculus repens, paris quadrifolia, alnus incana, betula pendula, carex sylvatica