be, arr. leuven, quercus robur, fraxinus excelsior, castanea sativa, urtica dioica, hedera helix, arum maculatum, sambucus nigra, corylus avellana, ranunculus repens, poa trivialis, heracleum sphondylium, lonicera periclymenum, glechoma hederacea, acer pseudoplatanus, holcus lanatus, galium aparine, polygonatum multiflorum, hyacinthoides non-scripta, crataegus monogyna, lamium galeobdolon, carpinus betulus, fagus sylvatica, geum urbanum, quercus rubra, prunus avium, dactylis glomerata, ficaria verna, cardamine pratensis, sorbus aucuparia, silene dioica, agrostis capillaris, anemone nemorosa, galanthus nivalis, alnus glutinosa, stachys sylvatica, adoxa moschatellina, circaea lutetiana, ranunculus acris, arrhenatherum elatius, rumex acetosa, prunus serotina, teucrium scorodonia, galeopsis tetrahit, cornus sanguinea, juncus effusus, rabelera holostea, acer campestre, lolium perenne, filipendula ulmaria, ribes rubrum