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