lolium perenne, poa trivialis, alopecurus geniculatus, phalaris arundinacea, poa annua, persicaria amphibia, ranunculus repens, elymus repens, glyceria fluitans, stellaria media, alopecurus pratensis, argentina anserina, capsella bursa-pastoris, ranunculus sardous, trifolium repens, rorippa palustris