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