be, arr. oudenaarde, fraxinus excelsior, acer pseudoplatanus, corylus avellana, sambucus nigra, quercus robur, arum maculatum, hedera helix, urtica dioica, lamium galeobdolon, adoxa moschatellina, castanea sativa, ficaria verna, hyacinthoides non-scripta, heracleum sphondylium, galium aparine, lonicera periclymenum, primula elatior, polygonatum multiflorum, glechoma hederacea, silene dioica, anemone nemorosa, geum urbanum, ranunculus repens, alnus glutinosa, circaea lutetiana, prunus avium, fagus sylvatica, poa trivialis, angelica sylvestris, sorbus aucuparia, crataegus monogyna, athyrium filix-femina, filipendula ulmaria, stachys sylvatica, carpinus betulus, ribes rubrum, geranium robertianum, cardamine pratensis, galanthus nivalis, ajuga reptans, viburnum opulus, allium ursinum, quercus rubra, populus canadensis, dryopteris dilatata, dryopteris filix-mas, holcus lanatus, cornus sanguinea, galeopsis tetrahit, ilex aquifolium