be, arr. leuven, urtica dioica, quercus robur, galium aparine, sambucus nigra, cirsium arvense, holcus lanatus, glechoma hederacea, poa trivialis, galeopsis tetrahit, phragmites australis, ranunculus repens, solanum dulcamara, phalaris arundinacea, crataegus monogyna, arrhenatherum elatius, calystegia sepium, alnus glutinosa, fraxinus excelsior, dactylis glomerata, elymus repens, humulus lupulus, agrostis capillaris, rubus caesius, lycopus europaeus, heracleum sphondylium, acer pseudoplatanus, eupatorium cannabinum, sorbus aucuparia, agrostis stolonifera, anthriscus sylvestris, lysimachia vulgaris, populus canadensis, rumex obtusifolius, betula pendula, prunus serotina, iris pseudacorus, stellaria media, symphytum officinale, equisetum arvense, geum urbanum, epilobium hirsutum, lythrum salicaria, angelica sylvestris, cerastium holosteoides, rumex acetosa, juncus effusus, salix cinerea, lolium perenne, lonicera periclymenum, achillea millefolium