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