be, arr. oudenaarde, castanea sativa, quercus rubra, quercus robur, fraxinus excelsior, alnus glutinosa, sambucus nigra, acer pseudoplatanus, corylus avellana, prunus serotina, urtica dioica, potentilla indica, lonicera periclymenum, galanthus nivalis, lamium galeobdolon, athyrium filix-femina, ranunculus repens, sorbus aucuparia, hedera helix, juncus effusus, filipendula ulmaria, polygonatum multiflorum, glechoma hederacea, populus canadensis, angelica sylvestris, cardamine pratensis, heracleum sphondylium, lathraea clandestina, primula elatior, anemone nemorosa, silene dioica, galium aparine, ficaria verna, arum maculatum, adoxa moschatellina, prunus avium, rhododendron ponticum, circaea lutetiana, alnus incana, robinia pseudoacacia, hyacinthoides non-scripta, fagus sylvatica, poa trivialis, humulus lupulus, viburnum opulus, dryopteris dilatata, geum urbanum, ribes rubrum, arum italicum, lysimachia vulgaris, dryopteris carthusiana