lolium perenne, poa annua, capsella bursa-pastoris, polygonum aviculare, matricaria discoidea, persicaria hydropiper, poa trivialis, stellaria media, rorippa palustris, alopecurus geniculatus, glyceria fluitans, holcus lanatus, matricaria chamomilla, plantago major, ranunculus acris, rumex obtusifolius, rorippa amphibia, sisymbrium officinale