be, arr. oudenaarde, fraxinus excelsior, sambucus nigra, corylus avellana, acer pseudoplatanus, quercus robur, urtica dioica, alnus glutinosa, glechoma hederacea, crataegus monogyna, circaea lutetiana, populus canadensis, hedera helix, ribes rubrum, galium aparine, angelica sylvestris, filipendula ulmaria, geum urbanum, arum maculatum, ficaria verna, lonicera periclymenum, poa trivialis, primula elatior, silene dioica, viburnum opulus, athyrium filix-femina, heracleum sphondylium, geranium robertianum, humulus lupulus, anemone nemorosa, polygonatum multiflorum, cardamine pratensis, adoxa moschatellina, sorbus aucuparia, prunus avium, ranunculus repens, cornus sanguinea, lamium galeobdolon, dryopteris carthusiana, dryopteris dilatata, stachys sylvatica, deschampsia cespitosa, solanum dulcamara, rubus caesius, rumex sanguineus, symphytum officinale, galeopsis tetrahit, ulmus minor, carex remota, alnus incana, dryopteris filix-mas