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