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