glyceria fluitans, lolium perenne, agrostis stolonifera, alopecurus geniculatus, holcus lanatus, lolium pratense, poa trivialis, ranunculus repens, cerastium holosteoides, elymus repens, plantago major, trifolium repens, argentina anserina, bellis perennis, persicaria amphibia, polygonum aviculare, rumex crispus, stellaria media