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