lolium perenne, poa trivialis, alopecurus geniculatus, poa annua, agrostis capillaris, deschampsia cespitosa, trifolium repens, agrostis stolonifera, argentina anserina, cirsium arvense, holcus lanatus, persicaria hydropiper, polygonum aviculare, ranunculus repens, stellaria media, urtica dioica, cerastium holosteoides, rorippa palustris