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