lolium perenne, poa trivialis, holcus lanatus, agrostis capillaris, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, poa annua, trifolium repens, cynosurus cristatus, phleum pratense, polygonum aviculare, ranunculus acris, ranunculus repens, rumex acetosa, juncus effusus, rorippa palustris