be, arr. leuven, quercus robur, quercus rubra, prunus serotina, holcus lanatus, sorbus aucuparia, ranunculus repens, urtica dioica, betula pendula, lonicera periclymenum, populus canadensis, agrostis capillaris, frangula alnus, sambucus nigra, heracleum sphondylium, holcus mollis, corylus avellana, galeopsis tetrahit, arrhenatherum elatius, poa trivialis, galium aparine, glechoma hederacea, juncus effusus, cirsium arvense, alnus glutinosa, angelica sylvestris, rumex acetosa, fraxinus excelsior, alopecurus pratensis, pinus sylvestris, castanea sativa, stellaria graminea, acer pseudoplatanus, ranunculus acris, teucrium scorodonia, filipendula ulmaria, polygonatum multiflorum, dryopteris carthusiana, crataegus monogyna, tanacetum vulgare, hypericum perforatum, dactylis glomerata, dryopteris dilatata, lolium perenne, anthoxanthum odoratum, prunus avium, cirsium palustre, salix caprea, achillea millefolium, avenella flexuosa, rumex obtusifolius