be, arr. oudenaarde, castanea sativa, acer pseudoplatanus, corylus avellana, quercus robur, sambucus nigra, hedera helix, fraxinus excelsior, hyacinthoides non-scripta, lonicera periclymenum, arum maculatum, polygonatum multiflorum, lamium galeobdolon, fagus sylvatica, prunus avium, sorbus aucuparia, quercus rubra, adoxa moschatellina, urtica dioica, heracleum sphondylium, anemone nemorosa, galium aparine, galanthus nivalis, ilex aquifolium, crataegus monogyna, silene dioica, carpinus betulus, ribes rubrum, ficaria verna, primula elatior, alnus glutinosa, geum urbanum, glechoma hederacea, athyrium filix-femina, betula pendula, circaea lutetiana, viburnum opulus, dryopteris dilatata, dryopteris filix-mas, pteridium aquilinum, stachys sylvatica, ranunculus repens, allium ursinum, mespilus germanica, betula pubescens, geranium robertianum, lathraea clandestina, cornus sanguinea, ulmus minor, salix caprea, arum italicum