be, arr. leuven, acer pseudoplatanus, fraxinus excelsior, circaea lutetiana, urtica dioica, glechoma hederacea, sambucus nigra, athyrium filix-femina, corylus avellana, arum maculatum, quercus robur, alnus glutinosa, geum urbanum, fagus sylvatica, hedera helix, ficaria verna, galium aparine, carex remota, stachys sylvatica, carpinus betulus, silene dioica, lamium galeobdolon, anemone nemorosa, carex sylvatica, ranunculus repens, primula elatior, angelica sylvestris, geranium robertianum, filipendula ulmaria, dryopteris carthusiana, cardamine pratensis, cirsium oleraceum, deschampsia cespitosa, galeopsis tetrahit, veronica montana, ajuga reptans, dryopteris filix-mas, poa trivialis, juncus effusus, allium ursinum, impatiens noli-tangere, rumex sanguineus, milium effusum, scrophularia nodosa, lonicera periclymenum, dryopteris dilatata, persicaria hydropiper, prunus avium, heracleum sphondylium, equisetum telmateia, populus canadensis